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Hardware Interface Description
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BGS2T Hardware Interface Description
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Document Name:
BGS2T
Hardware Interface Description
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01.301c
Date:
2012-09-20
DocId:
BGS2T_HD_v01.301c
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GENERAL NOTE
THE USE OF THE PRODUCT INCLUDING THE SOFTWARE AND DOCUMENTATION (THE "PRODUCT") IS SUBJECT TO THE RELEASE NOTE PROVIDED TOGETHER WITH PRODUCT. IN ANY
EVENT THE PROVISIONS OF THE RELEASE NOTE SHALL PREVAIL. THIS DOCUMENT CONTAINS INFORMATION ON CINTERION PRODUCTS. THE SPECIFICATIONS IN THIS DOCUMENT
ARE SUBJECT TO CHANGE AT CINTERION'S DISCRETION. CINTERION WIRELESS MODULES
GMBH GRANTS A NON-EXCLUSIVE RIGHT TO USE THE PRODUCT. THE RECIPIENT SHALL NOT
TRANSFER, COPY, MODIFY, TRANSLATE, REVERSE ENGINEER, CREATE DERIVATIVE WORKS;
DISASSEMBLE OR DECOMPILE THE PRODUCT OR OTHERWISE USE THE PRODUCT EXCEPT
AS SPECIFICALLY AUTHORIZED. THE PRODUCT AND THIS DOCUMENT ARE PROVIDED ON AN
"AS IS" BASIS ONLY AND MAY CONTAIN DEFICIENCIES OR INADEQUACIES. TO THE MAXIMUM
EXTENT PERMITTED BY APPLICABLE LAW, CINTERION WIRELESS MODULES GMBH DISCLAIMS ALL WARRANTIES AND LIABILITIES. THE RECIPIENT UNDERTAKES FOR AN UNLIMITED
PERIOD OF TIME TO OBSERVE SECRECY REGARDING ANY INFORMATION AND DATA PROVIDED TO HIM IN THE CONTEXT OF THE DELIVERY OF THE PRODUCT. THIS GENERAL NOTE
SHALL BE GOVERNED AND CONSTRUED ACCORDING TO GERMAN LAW.
Copyright
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited. Offenders will
be held liable for payment of damages. All rights created by patent grant or registration of a utility model
or design patent are reserved.
Copyright © 2012, Cinterion Wireless Modules GmbH
Trademark notice
Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the
United States and/or other countries. All other registered trademarks or trademarks mentioned in this
document are property of their respective owners.
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BGS2T Hardware Interface Description
Contents
47

Contents
0
Document History ...................................................................................................... 7
1
Introduction ................................................................................................................. 8
1.1
Related Documents ........................................................................................... 8
1.2
Terms and Abbreviations ................................................................................... 9
1.3
Regulatory and Type Approval Information ..................................................... 11
1.3.1 Directives and Standards.................................................................... 11
1.3.2 Safety Precautions.............................................................................. 14
1.4
Product Label................................................................................................... 16
2
Product Concept ....................................................................................................... 17
2.1
Key Features at a Glance ................................................................................ 17
3
Interface Description ................................................................................................ 19
3.1
Overview .......................................................................................................... 19
3.2
Block Diagram.................................................................................................. 20
3.3
Terminal Circuit................................................................................................ 21
3.4
Operating Modes ............................................................................................. 22
3.5
RS-232 Interface Variant ................................................................................. 23
3.5.1 Power Supply...................................................................................... 23
3.5.2 9-Pole D-sub Connector ..................................................................... 26
3.6
RS-485 Interface Variant ................................................................................. 27
3.6.1 6-Pin Header and Power Supply......................................................... 27
3.7
Automatic thermal shutdown............................................................................ 29
3.8
Hardware Watchdog ........................................................................................ 29
3.9
RTC.................................................................................................................. 29
3.10 SIM Interface.................................................................................................... 30
3.11 Status LEDs ..................................................................................................... 31
3.12 Antenna Interface............................................................................................. 32
4
Electrical and Environmental Characteristics........................................................ 33
4.1
Absolute Maximum Ratings ............................................................................. 33
4.2
Operating Temperatures.................................................................................. 34
4.3
Storage Conditions .......................................................................................... 35
4.4
Electrical Specifications of the Application Interface........................................ 36
4.4.1 On/Off Control (BGS2T RS232).......................................................... 36
4.4.2 On/Off Control (BGS2T RS485).......................................................... 36
4.4.3 RS-232 Interface................................................................................. 37
4.4.4 RS-485 Interface................................................................................. 37
4.5
Power Supply Ratings...................................................................................... 38
4.6
Antenna Interface............................................................................................. 39
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Contents
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5
Mechanics, Mounting and Packaging ..................................................................... 40
5.1
Mechanical Dimensions ................................................................................... 40
5.2
Mounting the BGS2T ....................................................................................... 42
5.3
Packaging ........................................................................................................ 43
6
Full Type Approval.................................................................................................... 44
6.1
Cinterion Reference Setup............................................................................... 44
6.2
Restrictions ...................................................................................................... 45
6.3
CE Conformity.................................................................................................. 45
6.4
EMC ................................................................................................................. 45
6.5
Compliance with FCC Rules and Regulations ................................................. 46
7
List of Parts and Accessories.................................................................................. 47
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Tables
55

Tables
Table 1:
Table 2:
Table 3:
Table 4:
Table 5:
Table 6:
Table 7:
Table 8:
Table 9:
Table 10:
Table 11:
Table 12:
Table 13:
Table 14:
Table 15:
Table 16:
Table 17:
Table 18:
Table 19:
Table 20:
Table 21:
Table 22:
Table 23:
Table 24:
Terms and abbreviations.................................................................................. 9
Directives ....................................................................................................... 11
Standards of North American type approval .................................................. 11
Standards of European type approval............................................................ 11
Requirements of quality ................................................................................. 12
Standards of the Ministry of Information Industry of the
People’s Republic of China ............................................................................ 12
Toxic or hazardous substances or elements with defined concentration
limits ............................................................................................................... 13
BGS2T label information ................................................................................ 16
Overview of operating modes ........................................................................ 22
Female 6-pole Western plug for power supply, ignition, power down............ 23
9-pole D-sub (female) RS-232 ....................................................................... 26
6-pin header pin assignment.......................................................................... 27
Coding of the orange status LED ................................................................... 31
Absolute maximum ratings............................................................................. 33
Operating supply voltage for BGS2T ............................................................. 33
Board temperature of BGS2 module.............................................................. 34
Storage conditions ......................................................................................... 35
RS-232 On/Off control line specifications (requirements) .............................. 36
RS-485 On/Off control line specifications (requirements). ............................. 36
RS-232 interface specifications (requirements) ............................................. 37
RS-485 interface specifications (requirements) ............................................. 37
Power supply specifications ........................................................................... 38
Antenna interface characteristics ................................................................... 39
List of parts and accessories.......................................................................... 47
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Figures
66

Figures
Figure 1:
Figure 2:
Figure 3:
Figure 4:
Figure 5:
Figure 6:
Figure 7:
Figure 8:
Figure 9:
Figure 10:
Figure 11:
Figure 12:
Figure 13:
Figure 14:
BGS2T label.................................................................................................... 16
BGS2T 3D view............................................................................................... 19
Block diagram ................................................................................................. 20
BGS2T circuit block diagram........................................................................... 21
6-pole Western jack for power supply, ignition, reset, typical connection ....... 24
Pin assignment RS-232 (D-sub 9-pole female)............................................... 26
Pin assignment RS-485 (6-pin header female), typical connection ................ 27
SIM interface ................................................................................................... 30
Status LED ...................................................................................................... 31
Antenna connector .......................................................................................... 32
BGS2T 3D overview........................................................................................ 40
BGS2T mechanical dimensions ...................................................................... 41
Mounting the BGS2T....................................................................................... 42
Reference equipment for approval.................................................................. 44
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BGS2T Hardware Interface Description
0 Document History
77
0

Document History
Preceding document: "BGS2T Hardware Interface Description" Version 01.301b
New document: "BGS2T Hardware Interface Description" Version 01.301c
Chapter
What is new
3.6.1
Revised parameter description for pin 6 in Table 12.
3.8
New section Hardware Watchdog.
5.1
Revised mechanical dimensions and added Figure 12.
5.3
Added transportation cardbox size.
Preceding document: "BGS2T Hardware Interface Description" Version 01.301a
New document: "BGS2T Hardware Interface Description" Version 01.301b
Chapter
What is new
5.2, 7
Revised part number for Wago mounting foot.
Preceding document: "BGS2T Hardware Interface Description" Version 01.301
New document: "BGS2T Hardware Interface Description" Version 01.301a
Chapter
What is new
1.4
Updated Figure 1 showing product label information.
3.5.1
Revised Table 10 and Figure 5 listing signal names and showing pin assignments for 6pole Western jack.
New document: "BGS2T Hardware Interface Description" Version 01.301
Chapter
What is new
---
Initial document setup.
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BGS2T Hardware Interface Description
1 Introduction
1616
1

Introduction
This document1 describes the hardware of the Cinterion BGS2T. The BGS2T comes in two
variants depending on the type of serial interface:
•
•
BGS2T RS232 implements a V.24 / V.28 RS-232 interface with a D-sub 9-pole female
socket and a 6-pole Western jack as plug-in power supply connector.
BGS2T RS485 implements a 6-pin header for the RS-485 interface including power supply
and ignition line.
Wherever necessary and appropriate this document distinguishes between these two variants.
The scope of this document includes interface specifications, electrical issues and mechanical
characteristics of BGS2T. It specifies standards pertaining to wireless applications and outlines
requirements that must be adhered to for successful product design. The BGS2T is a compact
GSM modem for the transfer of data in GSM networks. Industrial standard interfaces and an
integrated SIM card reader allow using BGS2T easily as a quad band GSM/GPRS terminal.
1.1
[1]
[2]
Related Documents
BGS2T AT Command Set
BGS2T Release Notes
Prior to using the GSM/GPRS terminal read the latest product information provided in the Release Notes.
You can use the following link to visit the Cinterion Website:
http://www.cinterion.com
1.
The document is effective only if listed in the appropriate Release Notes as part of the technical
documentation delivered with your Cinterion wireless product.
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1.2 Terms and Abbreviations
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1.2

Terms and Abbreviations
Table 1: Terms and abbreviations
Abbreviation
Description
ARP
Antenna Reference Point
ATC
AT Command
BTS
Base Transceiver Station
CB
Cell Broadcast
CODEC
Coder-Decoder
DCE
Data Circuit terminating Equipment
DSR
Data Set Ready
DTR
Data Terminal Ready
EFR
Enhanced Full Rate
EGSM
Enhanced GSM
EMC
Electromagnetic Compatibility
ESD
Electrostatic Discharge
ETS
European Telecommunication Standard
FDMA
Frequency Division Multiple Access
G.C.F.
GSM Conformity Forum
GSM
Global Standard for Mobile Communication
HW
Hardware
IC
Integrated Circuit
IF
Intermediate Frequency
IMEI
International Mobile Equipment Identifier
I/O
Input/ Output
IGT
Ignition
ISO
International Standards Organization
ITU
International Telecommunications Union
kbps
kbits per second
LVD
Low voltage Directive
Mbps
Mbits per second
MMI
Machine Machine Interface
MO
Mobile Originated
MS
Mobile Station
MT
Mobile Terminated
NC
Not Connected
NTC
Negative Temperature Coefficient
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1.2 Terms and Abbreviations
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
Table 1: Terms and abbreviations
Abbreviation
Description
PA
Power Amplifier
PCB
Printed Circuit Board
PCM
Pulse Code Modulation
PCS
Personal Communication System
PD
Power Down
PDU
Protocol Data Unit
R&TTE
Radio and Telecommunication Terminal Equipment
RF
Radio frequency
RI
Ring Indication
RX
Receive direction
SIM
Subscriber Identification Module
SMS
Short Message Service
SW
Software
TDD
Time Division Duplex
TDMA
Time Division Multiple Access
TX
Transmit direction
UART
Universal Asynchronous Receiver and Transmitter
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BGS2T Hardware Interface Description
1.3 Regulatory and Type Approval Information
1616
1.3
Regulatory and Type Approval Information
1.3.1
Directives and Standards

BGS2T has been designed to comply with the directives and standards listed below.
Table 2: Directives
99/05/EC
Directive of the European Parliament and of the council of 9 March 1999
on radio equipment and telecommunications terminal equipment and the
mutual recognition of their conformity (in short referred to as R&TTE Directive 1999/5/EC).
The product is labeled with the CE conformity mark
2002/95/EC
Directive of the European Parliament and of the Council of
27 January 2003 on the restriction of the use of certain
hazardous substances in electrical and electronic equipment (RoHS)
2002/96/EC
Directive of the European Parliament and of the Council on waste electrical and electronic equipment (WEEE)
2003/108/EC
Directive of the European Parliament and of the Council of 8 December
2003 amending directive 2002/96/ec on waste electrical and electronic
equipment (WEEE)
Table 3: Standards of North American type approval
CFR Title 47
“Code of Federal Regulations, Part 15 B, Part 22 and Part 24 (Telecommunications, PCS)”; US Equipment Authorization FCC
NAPRD.03 V5.6
“Overview of PCS Type certification review board
Mobile Equipment Type Certification and IMEI control”
PCS Type Certification Review board (PTCRB)
RSS133 (Issue 2)
Canadian Standard
IEEE Std. C95.1-1999
IEEE Standard for Safety Levels with Respect to Human Exposure to
Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz
Table 4: Standards of European type approval
3GPP TS 51.010-1
“Digital cellular telecommunications system (Phase 2); Mobile Station
(MS) conformance specification”
ETSI EN 301 511 V9.0.2
Candidate Harmonized European Standard (Telecommunications series)
Global System for Mobile communications (GSM); Harmonized standard
for mobile stations in the GSM 900 and DCS 1800 bands covering essential requirements under article 3.2 of the R&TTE directive (1999/5/EC)
(GSM 13.11 version 7.0.1 Release 1998)
GCF-CC V3.40.0
Global Certification Forum - Certification Criteria
ETSI EN 301 489-1
V1.8.1
Candidate Harmonized European Standard (Telecommunications series)
Electro Magnetic Compatibility and Radio spectrum Matters (ERM); Electro Magnetic Compatibility (EMC) standard for radio equipment and services; Part 1: Common Technical Requirements
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1.3 Regulatory and Type Approval Information
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
Table 4: Standards of European type approval
ETSI EN 301 489-7
V1.3.1
Candidate Harmonized European Standard (Telecommunications series)
Electro Magnetic Compatibility and Radio spectrum Matters (ERM); Electro Magnetic Compatibility (EMC) standard for radio equipment and services; Part 7: Specific conditions for mobile and portable radio and
ancillary equipment of digital cellular radio telecommunications systems
(GSM and DCS)
EN 62311-2008
Assessment of electronic and electrical equipment related to human exposure restrictions for electromagnetic fields (0 Hz - 300 GHz)
EN 60950-1 (2006)
Safety of information technology equipment
Table 5: Requirements of quality
IEC 60068
Environmental testing
DIN EN 60529
IP codes
Table 6: Standards of the Ministry of Information Industry of the People’s Republic of China
SJ/T 11363-2006
“Requirements for Concentration Limits for Certain Hazardous Substances in Electronic Information Products” (2006-06).
SJ/T 11364-2006
“Marking for Control of Pollution Caused by Electronic
Information Products” (2006-06).
According to the “Chinese Administration on the Control
of Pollution caused by Electronic Information Products”
(ACPEIP) the EPUP, i.e., Environmental Protection Use
Period, of this product is 20 years as per the symbol
shown here, unless otherwise marked. The EPUP is valid only as long as
the product is operated within the operating limits described in the Hardware Interface Description.
Please see Table 1.3.2 for an overview of toxic or hazardous substances
or elements that might be contained in product parts in concentrations
above the limits defined by SJ/T 11363-2006.
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1.3 Regulatory and Type Approval Information
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
Table 7: Toxic or hazardous substances or elements with defined concentration limits
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1.3 Regulatory and Type Approval Information
1616
1.3.2

Safety Precautions
The following safety precautions must be observed during all phases of the operation, usage,
service or repair of any cellular terminal or mobile incorporating BGS2T. Manufacturers of the
cellular terminal are advised to convey the following safety information to users and operating
personnel and incorporate these guidelines into all manuals supplied with the product. Failure
to comply with these precautions violates safety standards of design, manufacture and intended use of the product. Cinterion Wireless Modules GmbH assumes no liability for customer’s
failure to comply with these precautions.
When in hospitals or other health care facilities, observe the restrictions on the use
of mobiles. Switch off the cellular terminal or mobile if to be instructed to do so by
the guidelines posted in sensitive areas. Medical equipment may be sensitive to RF
energy.
The operation of cardiac pacemakers, other implanted medical equipment and
hearing aids can be affected by interference from cellular terminals or mobiles
placed close to the device. If in doubt about potential danger, contact the physician
or the manufacturer of the device to verify that the equipment is properly shielded.
Pacemaker patients are advised to keep their hand-held mobile away from the
pacemaker, while it is on. This personal subgroup always should check the distance
to the mobile.
Switch off the cellular terminal or mobile before boarding an aircraft. Make sure it
cannot be switched on inadvertently. The operation of wireless appliances in an aircraft is forbidden to prevent interference with communications systems. Failure to
observe these instructions may lead to the suspension or denial of cellular services
to the offender, legal action, or both.
Check the local and actual laws about these themes.
Do not operate the cellular terminal or mobile in the presence of flammable gases
or fumes. Switch off the cellular terminal when you are near petrol stations, fuel
depots, chemical plants or where blasting operations are in progress. Operation of
any electrical equipment in potentially explosive atmospheres can constitute a
safety hazard.
Your cellular terminal or mobile receives and transmits radio frequency energy while
switched on. Remember that interference can occur if it is used close to TV sets,
radios, computers or inadequately shielded equipment. Follow any special regulations and always switch off the cellular terminal or mobile wherever forbidden, or
when you suspect that it may cause interference or danger.
Road safety comes first! Do not use a hand-held cellular terminal or mobile while
driving a vehicle unless it is securely mounted in a holder for speakerphone operation. Before making a call with a hand-held terminal or mobile park the vehicle.
Speakerphones must be installed by qualified personnel. Faulty installation or operation can constitute a safety hazard.
Check the actual and local laws about these themes.
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1.3 Regulatory and Type Approval Information
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
IMPORTANT!
Cellular terminals or mobiles operate using radio signals and cellular networks. In
that case connections cannot be guaranteed at all times under all conditions. Therefore, you should never rely solely upon any wireless device for essential communications, for example emergency calls.
Remember, in order to make calls or receive calls the cellular terminal or mobile
must be switched on in a service area with adequate cellular signal strength.
Some networks do not allow for emergency calls if certain network services or
phone features are in use (e.g. lock functions, fixed dialing etc.). You may need to
deactivate those features before you can make an emergency call.
Some networks require a valid SIM card to be properly inserted in the cellular terminal or mobile.
If a power supply unit is used to supply the device it must meet the demands placed
on SELV circuits in accordance with EN60950. The maximum permissible connection length between the device and the supply source should not exceed 3m.
According to the guidelines for human exposure to radio frequency energy, an
antenna connected to the FME jack of the device should be placed at least 20cm
away from human bodies.
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BGS2T Hardware Interface Description
1.4 Product Label
1616
1.4
Product Label
The label fixed to the bottom of the BGS2T terminal comprises the following information.
2
3
4
1
5
8
6
7
10
9
11
13
12
15
16
14
17
Figure 1: BGS2T label
Table 8: BGS2T label information
No.
Information
1
Cinterion logo
2
Product name
3
Product variant
4
Marking "Made in Germany"
5
Product ordering number
6
Barcode (Code128)
7
Product IMEI
8
Date code
9
CE logo with fixed number 0682 (may be replaced for samples with "Not for sale")
10
WEEE symbol (see Table 2).
11
Chinese RoHS symbol (see Table 6).
12
UL logo
13
FCC ID
14
IC ID
15
Manufacturer code
16
Power supply unit ratings
17
Manufacturer code
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BGS2T Hardware Interface Description
2 Product Concept
1818
2
Product Concept
2.1
Key Features at a Glance
Feature

Implementation
General
Incorporates BGS2
module
The BGS2 module handles all signal and data processing within the
BGS2T. Internal software runs the application interface and the complete
GSM/GPRS protocol stack.
Frequency bands
Quad band: GSM 850/900/1800/1900MHz
GSM class
Small MS
Output power (according
to Release 99, V5)
Class 4 (+33dBm ±2dB) for EGSM850
Class 4 (+33dBm ±2dB) for EGSM900
Class 1 (+30dBm ±2dB) for GSM1800
Class 1 (+30dBm ±2dB) for GSM1900
The values stated above are maximum limits. According to Release 99, the
maximum output power in a multislot configuration may be lower. The nominal reduction of maximum output power varies with the number of uplink
timeslots used and amounts to 3.0dB for 2Tx.
Power supply
Single supply voltage 8V to 30V
Operating temperature
(BGS2 module)
Normal operation: -30°C to +85°C
Extended operation: -40°C to -30°C and +85°C to +90°C
Physical
Dimensions: 80.10mm x 56.21mm x 22.10mm
(excluding antenna and serial interface connectors)
Weight: 65g (approx.)
RoHS, WEEE
All hardware components are fully compliant with the EU RoHS and WEEE
Directives
GSM / GPRS features
Data transfer
GPRS:
• Multislot Class 10
• Full PBCCH support
• Mobile Station Class B
• Coding Scheme 1 – 4
CSD:
• V.110, RLP, non-transparent
• 2.4, 4.8, 9.6, 14.4kbps
• USSD
PPP-stack for GPRS data transfer
SMS
•
•
•
Fax
Group 3; Class 2 and Class 1
Point-to-point MT and MO
Cell broadcast
Text and PDU mode
Software
AT commands
Hayes 3GPP TS 27.007, TS 27.005, Cinterion AT commands
SIM Application Toolkit
SAT Release 99
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BGS2T Hardware Interface Description
2.1 Key Features at a Glance
1818

Feature
Implementation
TCP/IP stack
Protocols: TCP server/client, UDP, HTTP, FTP, SMTP, POP3
Access by AT commands
Firmware update
Upgradeable via serial interface
Interfaces
Serial interface
BGS2T RS232:
• RS-232 interface for AT commands and data
• Supports RTS/CTS hardware handshake
• Supports software XON/XOFF flow control
• Multiplex ability according to GSM 07.10 Multiplexer protocol
• Baud rates from 1200bps to 230400bps
BGS2T RS485:
• RS-485 interface for AT commands and data
• Baud rates from 1200bps to 115200bps
Both variants:
• Autobauding supported
SIM card reader
Supported SIM cards: 3V, 1.8V
Antenna
Antenna connected via female SMA connector
Power on/off, Reset
Power on
BGS2T RS232:
• DTR line at RS-232 interface or IGT_IN line at power connector
BGS2T RS485:
• IGT_IN line at RS-485 interface
Power off
Normal switch-off by AT^SMSO or external On/Off push button
Automatic switch-off in case of critical temperature and voltage conditions
Reset
Orderly shutdown and reset by AT command
Emergency restart via RST_IN line at power connector (BGS2T RS232
only)
Special features
Real time clock
Timer functions via AT commands
Phonebook
SIM card and terminal
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BGS2T Hardware Interface Description
3 Interface Description
3232
3
Interface Description
3.1
Overview
BGS2T provides the following interfaces for power supply, antenna, SIM card and data transfer:
•
•
•
•
6-pole Western connector (female) for power supply, ignition, power down signal (BGS2T
RS232 only)
SMA antenna connector (female)
SIM card reader
9-pole (female) D-sub connector for BGS2T RS232 or 6-pin (female) connector for BGS2T
RS485
SMA antenna connector
BGS2T RS232:
SIM card reader
D-sub socket (RS-232 interface)
Western jack
SMA antenna connector
BGS2T RS485:
SIM card reader
6-pin header (RS-485 interface)
Figure 2: BGS2T 3D view
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BGS2T Hardware Interface Description
3.2 Block Diagram
3232
3.2
Block Diagram
Figure 3 shows a block diagram of a sample configuration that incorporates a BGS2T and
typical accessories.
Antenna
interface
Antenna interface
RS-232
driver
RS-232 interface
RS485
driver
RS-485 interface
Antenna
Host
controller
(BGS2T RS232)
BGS2
module
(BGS2T RS485)
SIM card
interface
SIM
card
IGT_IN
RST_IN
Power supply
LEDs
Power regulation
BGS2 Terminal
Power supply
External application
Figure 3: Block diagram
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BGS2T Hardware Interface Description
3.3 Terminal Circuit
3232
3.3
Terminal Circuit
CTS0, RXD0, DSR0,
DCD0, RING0
RS-232 interface
(BGS2T RS232)
RTS0
EMC
RS-232 driver
TXD0, DTR0
D-sub 9-pin
BATT+
RS-485 interface
(BGS2T RS485)
Header 6-pin
EMC
RS-485 driver
Bus termination
Vreg
BGS2
module
BATT+
BATT+
Vreg
Filter
Line
regulator
DC/DC
converter
EMC
Power
Power supply
(BGS2T RS485)
EMC
(on/off)
ON
Western jack 6-pin
EMERG_RST
EMC
SIM card
holder
CCIN
CCxxx
Batt+
SIM Card Interface
V285
V285
VDD
LED
LED
green
orange
V180
SMA female
RFout
Terminal circuit
Antenna interface
LED driver
LED
Figure 4: BGS2T circuit block diagram
With BGS2T RS232 there are separate connectors for data interface and power supply (D-sub
RS-232 socket and Western jack). With BGS2T RS485 there is a single connector for these
interfaces (6-pin header socket).
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3.4 Operating Modes
3232
3.4

Operating Modes
The table below briefly summarizes the various operating modes referred to in the following
chapters.
Table 9: Overview of operating modes
Normal operation
POWER DOWN
GSM IDLE
Software is active. Once registered to the GSM network
paging with BTS is carried out. The Terminal is ready to
send and receive.
GSM TALK
Connection between two subscribers is in progress.
Power consumption depends on network coverage individual settings, such as DTX off/on, FR/EFR/HR, hopping sequences, antenna.
GPRS IDLE
Terminal is ready for GPRS data transfer, but no data is
currently sent or received. Power consumption depends
on network settings and GPRS configuration (e.g. multislot settings).
GPRS DATA
GPRS data transfer in progress. Power consumption
depends on network settings (e.g. power control level),
uplink / downlink data rates, GPRS configuration (e.g.
used multislot settings) and reduction of maximum output power.
Normal shutdown after sending the AT^SMSO command.
The RTC works continuously, but the software is not active. Interfaces are not
accessible.
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BGS2T Hardware Interface Description
3.5 RS-232 Interface Variant
3232
3.5
RS-232 Interface Variant
The RS-232 interface is implemented as a serial asynchronous transmitter and receiver conforming to ITU-T V.24 Interchange Circuits DCE. It is configured for 8 data bits, no parity and
1 stop bit, and can be operated at bit rates from 1200bps to 230kbps. Autobauding supports bit
rates from 1.2kbps to 230kbps.
For more information see also Section 3.5.1 and Section 3.5.2.
3.5.1
Power Supply
The power supply of BGS2T RS232 has to be a single voltage source of VPLUS=8V…30V capable of providing a peak current (pulsed 2x577ms at T=4.615ms) of about 1.2A at 12V during
an active transmission. The uplink burst causes strong ripple (drop) on the power lines. The
drop voltage should not exceed 1V, but the absolute minimum voltage during drops must be
>7.6V.
The BGS2T is protected from supply voltage reversal. An external fast acting fuse >0.4A with
melting integral I2t (0.15 … 0.25)A2s is necessary to use the BGS2T at a 12V or 24V unlimited
power supply system.
The power supply must be compliant with the EN60950 guidelines. A switching regulator regulates the input voltage for the internal supply.
When power fails for >1ms, BGS2T resets or switches off. When power fails for >15s the RTC
will be reset.
Table 10: Female 6-pole Western plug for power supply, ignition, power down
Pin
Signal name
Use
Parameters
1
PLUS
Power supply
8V – 30V DC, max. 33V for 1 min
2
PLUS
Power supply
8V – 30V DC, max. 33V for 1 min
3
RST_IN
Signal for module reset
UIH > 8V for t>10ms resets the terminal.
UIL <2V and low level for normal operation.
4
IGT_IN
Ignition
UIH >8V
Ignition >8V for more than 200ms switches
the BGS2T on. Ignition is activated only by
a rising edge. The rise time is <20ms
5
GND
Ground
0V
6
GND
Ground
0V
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3.5 RS-232 Interface Variant
3232

Pin assignmment and typical connection:
65 43 21
1 PLUS
2 PLUS
3 RST_IN
4 IGT_IN
5 GND
6 GND
VPLUS DC
Figure 5: 6-pole Western jack for power supply, ignition, reset, typical connection
Mains adapter: If it fits into the design of your GSM application we recommend the plug-in supply unit used with the type approved Cinterion reference setup. Ordering information can be
found in Chapter 7. This 12V mains adapter comes with a 6-pole Western plug and provides
an internal connection between IGT_IN pin and PLUS pin for auto ignition (power up).
3.5.1.1
Turn BGS2T on
BGS2T is turned on by plugging an appropriate power supply unit between PLUS and GND of
the 6-pole Western jack.
While the RST_IN pin (pin4) is not active (voltage <2V) you can start the BGS2T by activating
the RS-232 DTR line if in POWER DOWN mode.
The IGT_IN signal (pin3) may be used to switch on BGS2T if in POWER DOWN mode.
After startup of the BGS2T the RS-232 lines are in an undefined state for approx. 900ms. This
may cause undefined characters to be transmitted over the RS-232 lines during this period.
3.5.1.2
Reset BGS2T
An easy way to reset the BGS2T is entering the command AT+CFUN=x,1. For details on
AT+CFUN please see [1].
As an alternative, you can shut down the BGS2T as described in Section 3.5.1.3 and then restart it as described in Section 3.5.1.1.
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3.5 RS-232 Interface Variant
3232
3.5.1.3

Turn BGS2T off
Normal shutdown:
• To turn off the BGS2T use the AT^SMSO command, rather than disconnecting the mains
adapter.
This procedure lets the BGS2T log off from the network and allows the software to enter a
secure state and save data before disconnecting the power supply. After AT^SMSO has
been entered the BGS2T returns the following result codes:
^SMSO: MS OFF
OK
^SHUTDOWN
The "^SHUTDOWN" result code indicates that the BGS2T turns off in less than 1 second.
After the shutdown procedure is complete the BGS2T enters the POWER DOWN mode.
The orange LED stops flashing (see Section 3.11 for a detailed LED description). The RTC
is still fed from the voltage regulator in the power supply ASIC. Please note that if there is
an auto ignition connection between PLUS and IGT_IN the module will restart automatically
after a normal shutdown.
Emergency restart:
• In the event of software hang-ups etc. the BGS2T can be restarted by applying a voltage
>8V to the RST_IN pin (pin 3) for more than 10ms.
The RST_IN signal restarts the BGS2T.
Caution: Use the RST_IN pin only when, due to serious problems, the software is not
responding for more than 5 seconds. Pulling the RST_IN pin causes the loss of all information stored in the volatile memory since power is cut off immediately. Therefore, this procedure is intended only for use in case of emergency, e.g. if BGS2T fails to shut down
properly.
When the BGS2T enters the POWER DOWN mode, e.g. after you have issued the AT^SMSO
command or activated the RST_IN signal, all RS-232 interface lines are active for a period of
50ms to max. 3.5s. This may cause undefined characters to be transmitted on the RS-232 lines
which can be ignored.
3.5.1.4
Disconnecting power supply
Before disconnecting the power supply from the PLUS pin, make sure that the BGS2T is in a
safe condition. The best way is to wait 1s after the "^SHUTDOWN" result code has been indicated.
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BGS2T Hardware Interface Description
3.5 RS-232 Interface Variant
3232
3.5.2
9-Pole D-sub Connector
Via RS-232 interface, the host controller controls the BGS2T and transports data.
5
4
9
3
8
2
7
1
6
Figure 6: Pin assignment RS-232 (D-sub 9-pole female)
Table 11: 9-pole D-sub (female) RS-232
Pin no.
Signal name
I/O
Function
1
DCD
O
Data Carrier Detected
2
RXD
O
Receive Data
3
TXD
I
Transmit Data
4
DTR
I
Data Terminal Ready
Attention: The ignition of BGS2T is activated via a rising edge
of high potential (+3 ... +15 V)
5
GND
-
Ground
6
DSR
O
Data Set Ready
7
RTS
I
Request To Send
8
CTS
O
Clear To Send
9
RING
O
Ring Indication
BGS2T is designed for use as a DCE. Based on the conventions for DCE-DTE connections it
communicates with the customer application (DTE) using the following signals:
• Port TxD @ application sends data to TXD of BGS2T
• Port RxD @ application receives data from RXD of BGS2T
Hardware handshake using the RTS and CTS signals and XON/XOFF software flow control
are supported.
In addition, the modem control signals DTR, DSR, DCD and RING are available. The modem
control signal RING (Ring Indication) can be used to indicate, to the cellular device application,
that a call or Unsolicited Result Code (URC) is received. There are different modes of operation, which can be set with AT commands.
Note: The DTR signal will only be polled once per second from the internal firmware of BGS2T.
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BGS2T Hardware Interface Description
3.6 RS-485 Interface Variant
3232
3.6
RS-485 Interface Variant
The RS-485 interface is based on the TIA/EIA-485 standard defining electrical characteristics
of drivers and receivers for use in balanced multidrop communication systems. RS-485 is used
in a lot of different fieldbus systems like Profibus, Interbus, Modbus and P-net.
RS-485 uses a shielded twisted pair cable where the shield is used as ground return, and the
inner pairs are used for balanced communication. The two conductors in each pair are called
A and B. RS-485 is usually half-duplex.
Data transmission speed depends on the length of the RS-485 bus cable and may be up to
115kbps.
3.6.1
6-Pin Header and Power Supply
Via RS-485 interface, the host controller controls BGS2T RS485 including power supply and
data transmission.
Pin assignmment and typical connection:
1 PLUS
1
2
3
4
5
6
1
2
3
4
5 DC6
VPLUS
2 GND
3 IGT_IN
4 RS485_B
5 RS485_A
6 +5V
Figure 7: Pin assignment RS-485 (6-pin header female), typical connection
Table 12: 6-pin header pin assignment
Pin
Signal name
Use
Parameters
1
PLUS
Power supply
8V-30V DC
2
GND
Ground
0V
3
IGT_IN
Ignition
UIH >8V
Ignition >8V for more than 200ms switches the BGS2T
on. Ignition is activated only by a rising edge. The rise
time is <20ms
4
RS485-B
Data transmission Receive and transmit data for conductor B
5
RS485-A
Data transmission Receive and transmit data for conductor A
6
+5V
Power output
Output: +5V, max. 200mA
The power supply of the BGS2T has to be a single voltage source of VPLUS=8V…30V capable
of providing a peak current (pulsed 2x577ms at T=4.615ms) of about 1.2A at 12V during an
active transmission. The uplink burst causes strong ripple (drop) on the power lines. The drop
voltage should not exceed 1V, but the absolute minimum voltage during drops must be >7.6V.
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3.6 RS-485 Interface Variant
3232

The BGS2T is protected from supply voltage reversal. An external fast acting fuse >0.4A with
melting integral I2t (0.15 … 0.25)A2s is necessary to use the BGS2T at a 12V or 24V unlimited
power supply system.
The power supply must be compliant with the EN60950 guidelines. A switching regulator regulates the input voltage for the internal supply. It is recommended that the power supply provides an internal connection between IGT_IN pin and PLUS pin for auto ignition (power up).
When power fails for >1ms, BGS2T resets or switches off. When power fails for >15s the RTC
will be reset.
3.6.1.1
Turn BGS2T on
Before switching BGS2T on the SIM should be inserted. Now, BGS2T is turned on by connecting an appropriate power supply between PLUS and GND of the 6-pin header.
The IGT_IN signal (pin3) may be used to switch on BGS2T if in POWER DOWN mode.
After startup of the BGS2T the RS-485 lines are in an undefined state for approx. 900ms. This
may cause undefined characters to be transmitted over the RS-485 lines during this period.
3.6.1.2
Reset BGS2T
As an alternative, BGS2T can be shut down as described in Section 3.5.1.3 and then restarted
as described in Section 3.5.1.1.
1
3.6.1.3
Turn BGS2T off
Normal shutdown:
• To turn off the BGS2T use the AT^SMSO command, rather than disconnecting the mains
adapter.
This procedure lets the BGS2T log off from the network and allows the software to enter a
secure state and save data before disconnecting the power supply. After AT^SMSO has
been entered the BGS2T returns the following result codes:
^SMSO: MS OFF
OK
^SHUTDOWN
The "^SHUTDOWN" result code indicates that the BGS2T turns off in less than 1 second.
After the shutdown procedure is complete the BGS2T enters the POWER DOWN mode.
The orange LED stops flashing (see Section 3.11 for a detailed LED description). The RTC
is still fed from the voltage regulator in the power supply ASIC. Please note that if there is
an auto ignition connection between PLUS and IGT_IN the module will restart automatically
after a normal shutdown.
When the BGS2T enters the POWER DOWN mode, e.g. after you have issued the AT^SMSO
command or after emergency shutdown, all data transmission lines are active for a period of
50ms to max. 3.5s. This may cause undefined characters to be transmitted on the data transmission lines which can be ignored.
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3.7 Automatic thermal shutdown
3232
3.6.1.4

Disconnecting power supply
Before disconnecting the power supply lines, make sure that the BGS2T is in a safe condition.
The best way is to wait 1s after the "^SHUTDOWN" result code has been indicated.
3.7
Automatic thermal shutdown
An on-board NTC measures the temperature of the built-in BGS2 module. If over- or undertemperature is detected on the module the BGS2T automatically shuts down to avoid thermal damage to the system. Table 16 specifies the ambient temperature threshold for the BGS2T.
The automatic shutdown procedure is equivalent to the power-down initiated with the
AT^SMSO command, i.e. BGS2T logs off from the network and the software enters a secure
state avoiding loss of data. In IDLE mode it takes typically one minute to deregister from the
network and to switch off.
Alert messages transmitted before the BGS2T switches off are implemented as Unsolicited Result codes (URCs). For details see the description of AT^SCTM command provided in [1].
Thermal shutdown will be deferred if a critical temperature limit is exceeded, while an emergency call or a call to a predefined phone number is in progress, or during a two minute guard
period after power up. See [1] for details.
3.8
Hardware Watchdog
The chipset of the internally used BGS2 module features a built-in hardware watchdog. The
watchdog is activated automatically after the module powers on. In case the watchdog will not
be reset within 2.5 seconds, the module will send a shutdown notification on the serial interface
and will shut down itself. The module's firmware is designed in such a way that all the main
tasks register to the reset procedure of the watchdog. If one of these tasks is not responding,
the module will be shutdown.
When using a power supply with the ignition line permanently active (as we use on our reference power supply) the BGS2T will be restarted automatically after such as shutdown.
3.9
RTC
The internal Real Time Clock (RTC) of the BGS2T retains the time and date and handles the
alarm (reminder) function. The AT+CCLK command serves to set the time and date, and
AT+CALA specifies a reminder message. See [1] for details.
A dedicated voltage regulator backs up the RTC even in POWER DOWN mode and enables
BGS2T to keep track of time and date.
However, please note that the Alarm mode described in [1], Section AT+CALA, is not intended
for the BGS2T. The AT+CALA command can only be used to set a reminder message, but not
to configure the mobile to wake up from POWER DOWN mode into Alarm mode. Therefore,
after setting a timer with AT+CALA be sure not to shut down the BGS2T by AT^SMSO or
RST_IN signal (BGS2T RS232 variant).
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BGS2T Hardware Interface Description
3.10 SIM Interface
3232
3.10

SIM Interface
The SIM interface is intended for 1.8V and 3V SIM cards in accordance with GSM 11.12 Phase
2. The card holder is a five wire interface according to GSM 11.11. A sixth pin has been added
to detect whether or not a SIM card is inserted.
SIM extracted
SIM inserted
Figure 8: SIM interface
The SIM - with the circuit side facing towards the Cinterion logo - is inserted by gently pushing
it into the SIM card holder until it snaps hold. It is now protected from accidental removal. The
SIM can be removed from the card holder by using a flat object such as a screwdriver to carefully press the inserted SIM until it snaps out again.
All signals of the SIM interface are protected from electrostatic discharge with spark gaps to
GND and clamp diodes to 1.8V resp. 2.9V and GND.
Removing and inserting the SIM card during operation requires the software to be reinitialized.
Therefore, after reinserting the SIM card it is necessary to restart BGS2T.
Note: No guarantee can be given, nor any liability accepted, if loss of data is encountered after
removing the SIM card during operation. Also, no guarantee can be given for properly initializing any SIM card that the user inserts after having removed a SIM card during operation. In this
case, the application must restart the BGS2T.
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BGS2T Hardware Interface Description
3.11 Status LEDs
3232
3.11

Status LEDs
BGS2T has two LEDs indicating its operating states through the semitransparent casing:
• A green LED indicates whether the BGS2T is ready to operate.
• An orange LED indicates the various operating states of the terminal.
Green LED
(Power on/off)
Orange LED
(Operating status)
Figure 9: Status LED
The orange LED is driven by a line of the integrated BGS2 module which can be configured by
using the AT^SSYNC command. For the purpose of the BGS2T it is recommended to retain
the default setting of AT^SSYNC=1 (AT^SSYNC=0 is not applicable).
The following table lists the possible LED patterns and describes the operating status of the
BGS2T indicated by each pattern if AT^SSYNC=1.
During the transition from one LED pattern to another the "on" and/or "off" periods of the LED
may vary in length. This is because an event that triggers the change may occur any time and,
thus, truncate the current LED pattern at any point.
Table 13: Coding of the orange status LED
LED mode
Operating status of BGS2T
Permanently off
BGS2T is in POWER DOWN mode
600 ms on / 600 ms off
Limited Network Service: No SIM card inserted or no PIN entered, or network search in progress, or ongoing user authentication, or network login
in progress.
75 ms on / 3 s off
IDLE mode: The mobile is logged to the network (monitoring control channels and user interactions). No call in progress.
75 ms on / 75 ms off /
75 ms on / 3 s off
One or more GPRS contexts activated.
500 ms on / 25 ms off
Packet switched data transfer in progress.
Permanently on
Connected to remote party or exchange of parameters while setting up or
disconnecting a call.
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BGS2T Hardware Interface Description
3.12 Antenna Interface
3232
3.12

Antenna Interface
An external antenna is connected via the terminal’s female SMA connector that is also the antenna reference point (ARP).
Figure 10: Antenna connector
The system impedance is 50. In any case, for good RF performance, the return loss of the
customer application’s antenna should be better than 10dB (VSWR < 2). BGS2T withstands a
total mismatch at this connector when transmitting with power control level for maximum RF
power.
Inside the BGS2 module an inductor to ground provides additional ESD protection to the antenna connector. To protect the inductor from damage no DC voltage must be applied to the
antenna circuit.
For the application it is recommended to use an antenna with an SMA (male) connector:
Please note that the terminal should be installed and operated with a minimum distance of
20cm between the antenna connected to the terminal and any human bodies. Also, the transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
The allowed maximum antenna gain for stand-alone situation is 7.24dBi (<1GHz) and 3.30dBi
for the high bands (>1.7GHz).
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BGS2T Hardware Interface Description
4 Electrical and Environmental Characteristics
3939
4
Electrical and Environmental Characteristics
4.1
Absolute Maximum Ratings
Table 14: Absolute maximum ratings
Parameter
Port / Description
Min.
Max.
Unit
Supply voltage
PLUS
-50
30
V
Overvoltage
PLUS / for 1min
33
V
Input voltage for on/off
control lines
IGT_IN, RST_IN
-5
30
V
RS-232 input voltage range TXD, DTR, RTS
-25
+25
V
RS-232 output voltage
range
-0.3
+4.3
V
-8
+13
V
-8
-15
+8
+15
kV
kV
RXD, CTS, DSR, DCD, RING
RS-485 input voltage range RS485-A, RS485-B
Immunity against discharge
of static electricity
All interfaces (lines)
Contact discharge
Human body model
Table 15: Operating supply voltage for BGS2T
Parameter
Min
Supply voltage PLUS measured at (6-pole) western
jack plug (1 to 6)
Supply voltage PLUS for
RS-485 at 6-pin header
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Typ
Max
Unit
5.5 lowest voltage
12
(minimum peak) incl.
all ripple and drops
30
V
7.6 lowest voltage
12
(minimum peak) incl.
all ripple and drops
30
V
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BGS2T Hardware Interface Description
4.2 Operating Temperatures
3939
4.2
Operating Temperatures
Table 16: Board temperature of BGS2 module
Parameter
Min
Max
Unit
Normal operation
-30
+85
°C
-40 to -30
+85 to +90
°C
<-40
>+90
°C
Extended operation1
Automatic thermal shutdown
1.
2.
2
Extended operation allows normal mode speech calls or data transmission for limited time until automatic
thermal shutdown takes effect. Within the extended temperature range (outside the normal operating
temperature range) the specified electrical characteristics may be in- or decreased.
Due to temperature measurement uncertainty, a tolerance of ±3°C on these switching thresholds may
occur.
If the BGS2 module temperature rises close to the limit specified for normal operation, while
data is transmitted over GPRS, the module automatically reverts from GPRS Multislot Class 10
(2Tx slots) to GPRS Multislot Class 8 (1Tx). This reduces the power consumption and, consequently, causes the board’s temperature to decrease. Once the temperature drops by 5 degrees, the module returns to the higher Multislot Class.
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BGS2T Hardware Interface Description
4.3 Storage Conditions
3939
4.3
Storage Conditions
Table 17: Storage conditions
Type
Condition
Unit
Reference
Air temperature:
Low
High
-30
+75
°C
ETS 300 019-2-1: T1.2, IEC 60068-2-1 Ab
ETS 300 019-2-1: T1.2, IEC 60068-2-2 Bb
Humidity relative:
Low
High
Condens.
10
90 at 30°C
90-100 at 30°C
%
--ETS 300 019-2-1: T1.2, IEC 60068-2-56
Cb
ETS 300 019-2-1: T1.2, IEC 60068-2-30
Db
Air pressure:
Low
High
70
106
kPa
IEC TR 60271-3-1: 1K4
IEC TR 60271-3-1: 1K4
Movement of surrounding air
1.0
m/s
IEC TR 60271-3-1: 1K4
Water: rain, dripping, icing and
frosting
Not allowed
---
---
Radiation:
1120
600
W/m2
ETS 300 019-2-1: T1.2, IEC 60068-2-2 Bb
ETS 300 019-2-1: T1.2, IEC 60068-2-2 Bb
Solar
Heat
Chemically active substances
Not
recommended
IEC TR 60271-3-1: 1C1L
Mechanically active substances Not
recommended
IEC TR 60271-3-1: 1S1
IEC TR 60271-3-1: 1M2
Vibration sinusoidal:
Displacement
Acceleration
Frequency range
1.5
5
2-9 9-200
Shocks:
Shock spectrum
Duration
Acceleration
semi-sinusoidal
1
ms
50
m/s2
mm
m/s2
Hz
IEC 60068-2-27 Ea
The conditions stated above are only valid for devices in their original packed state in weather
protected, non-temperature-controlled storage locations. Normal storage time under these
conditions is 12 months maximum.
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BGS2T Hardware Interface Description
4.4 Electrical Specifications of the Application Interface
3939
4.4
Electrical Specifications of the Application Interface
4.4.1
On/Off Control (BGS2T RS232)
Table 18: RS-232 On/Off control line specifications (requirements)
Parameter
Description
Conditions
Min.
Vhigh
Input voltage
IGT_IN, RST_IN
active high
5
Input voltage
DTR
active high
Vlow
Vhigh
Vlow
Typ
Max.
Unit
V
2
V
3
+15
V
-15
1.2
V
M
RIN
Input resistance of
IGT_IN, RST_IN
1
RIN
Input resistance of
DTR
3
5
7
k
Typ
Max.
Unit
4.4.2
On/Off Control (BGS2T RS485)
Table 19: RS-485 On/Off control line specifications (requirements).
Parameter
Description
Conditions
Min.
Vhigh
Input voltage
IGT_IN
active high
5
Vlow
RIN
2
Input resistance of
IGT_IN
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4.4 Electrical Specifications of the Application Interface
3939
4.4.3
RS-232 Interface
Table 20: RS-232 interface specifications (requirements)
Parameter
Description
Conditions
Min.
Typ
Max.
Unit
VOUT
Transmitter output voltage
for
RXD, CTS, DSR, DCD,
RING
@ 3k load
±5
±6
±7
V
ROUT
Transmitter output resistance
RXD, CTS, DSR, DCD,
RING
300
RIN
Resistance
TXD, RTS, DTR
3
VIn
Receiver input voltage
range
TXD, RTS, DTR
-25
VRIHYS
Input hysteresis
VIlow
Input threshold low
VIhigh
Input threshold high
Baudrate
LECable
4.4.4
0.6

5
7
k
+25
V
0.5
V
1.2
V
1.5
2.4
V
Autobauding
1.2
230
kbps
Fixed range
1.2
230
kbps
1.8
2
m
Typ
Max.
Unit
5
V
Length of RS-232 cable
RS-485 Interface
Table 21: RS-485 interface specifications (requirements)
Parameter
Description
Conditions
Min.
VOUT
Transmitter output voltage
for RS485-A, -B
RDiff = 100
2
RIN
Resistance RS485-A, -B
VIn
Receiver input voltage
range RS485-A, -B
VRIHYS
Input hysteresis
Threshold
voltage
Receiver diff.
threshold voltage
-7
+12
25
-200
Bus
termination
+200
mV

Autobauding
1.2
230
kbps
Fixed range
1.2
230
kbps
10
m
Length of RS-485 indoor
cable
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Baudrate
LECable
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BGS2T Hardware Interface Description
4.5 Power Supply Ratings
3939
4.5
Power Supply Ratings
Table 22: Power supply specifications
Parameter Description
Conditions
Min. Typ
VPLUS
Allowed voltage ripple (peakpeak), drop during transmit
burst peak current
TALK mode, power control
level for Pout max1
IPLUS 2
Average supply current
(average time 3 min.)
Power Down
mode
@8V
9
@30V
3,7
IDLE mode
(GSM/GPRS,
850/900MHz,
1800/1900MHz)
@8V
25
@30V
10
GSM TALK mode, @8V
850/900MHz
@30V
GSM TALK mode, @8V
1800/1900MHz
@30V
Peak supply current (during
577µs transmission slot every
4.6ms)
2.
135
V
mA
mA
mA
40
100
mA
35
@8V
125
@30V
35
GPRS DATA
mode(1 Tx, 4 Rx,
1800/1900MHz)
@8V
90
@30V
30
GPRS DATA
mode(2 Tx, 3 Rx,
850/900MHz)
@8V
215
@30V
60
GPRS DATA
mode(2 Tx, 3 Rx,
1800/1900MHz)
@8V
150
@30V
45
Power control
@8V
level for Pout max
(1800/1900MHz) @30V
1.
1
GPRS DATA
mode(1 Tx, 4 Rx,
850/900MHz)
Power control
@8V
level for Pout max
@30V
(850/900MHz)
Max. Unit
810
mA
mA
mA
mA
mA
200
490
mA
130
Lowest voltage (minimum peak) incl. all ripple and drops >7.6V including voltage drop, ripple and spikes,
measured at western jack (6-pole) pins (BGS2T RS232) and 6-pin header (BGS2T RS485).
Typical values measured with antenna impedance = 50 Ohm (return loss >20dB).
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BGS2T Hardware Interface Description
4.6 Antenna Interface
3939
4.6
Antenna Interface
Table 23: Antenna interface characteristics
Parameter
Min
Typ
Max
Unit
Frequency range
GSM 850
824
849
MHz
Uplink (MS  BTS)
E-GSM 900
880
915
MHz
GSM 1800
1710
1785
MHz
GSM 1900
1850
1910
MHz
Frequency range
GSM 850
869
894
MHz
Downlink (BTS  MS)
E-GSM 900
925
960
MHz
GSM 1800
1805
1880
MHz
GSM 1900
1930
1990
MHz
31
35
dBm
RF power @ ARP with 50 load
GSM 850
1
E-GSM 900
Number of carriers
Duplex spacing
1
31
35
dBm
GSM 1800
2
28
32
dBm
GSM 1900
2
28
32
dBm
GSM 850
124
E-GSM 900
174
GSM 1800
374
GSM 1900
299
GSM 850
45
MHz
E-GSM 900
45
MHz
GSM 1800
95
MHz
GSM 1900
80
MHz
200
kHz
Carrier spacing
Multiplex, Duplex
TDMA / FDMA, FDD
Time slots per TDMA frame
8
Frame duration
4.615
ms
Time slot duration
577
µs
Modulation
Receiver input sensitivity @ ARP
BER Class II < 2.4% (static input level)
GMSK
GSM 850
E-GSM 900
GSM 1800
GSM 1900
1.
2.
3.
4.
-1023
-1074
dBm
-102
3
-107
4
dBm
-102
3
-107
4
dBm
-102
3
-107
4
dBm
Power control level PCL 5
Power control level PCL 0
Under fading conditions
Typical value is at least -107dBm.
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BGS2T Hardware Interface Description
5 Mechanics, Mounting and Packaging
4343
5
Mechanics, Mounting and Packaging
5.1
Mechanical Dimensions

Figure 11 shows a 3D view of the BGS2T and provides an overview of the mechanical dimensions of the board. For further details see Figure 12. To allow for an easier mechanical implementation into an external application a set of 3D STP data for BGS2T RS232 is attached to
this PDF. Please open the Attachments navigation panel to view and save these files.
Length:
Width:
Height:
80.10mm (including fixtures for cable straps)
56.21mm (excluding antenna and serial interface connectors)
22.10mm
Weight:
65g
56.21mm
22.10mm
80.10mm
Figure 11: BGS2T 3D overview
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BGS2T Hardware Interface Description
55.00
67.70
5.60
18.00
56.21
59.70
48.20
2x
4.00
41.00
5.1 Mechanical Dimensions
4343
MounWLQJKROHV fRr
:AGO PoXQWLQJIRRW
NR.: 209-188
22.10
80.10
Figure 12: BGS2T mechanical dimensions
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BGS2T Hardware Interface Description
5.2 Mounting the BGS2T
4343
5.2

Mounting the BGS2T
There are a number of ways to mount the BGS2T:
•
•
•
•
BGS2T can be attached to a rail installation or other surface using the two provided screw
holes.
BGS2T can be fastened to a rack or holding using the two provided fixtures for cable straps.
BGS2T can be slid onto a specific DIN rail made according to DIN EN 60715 - C section,
C30 format. A catch at the terminal’s bottom side will have to be removed to slide multiple
terminals onto a single rail.
Using a Wago 209-188 mounting foot for terminal blocks the BGS2T can be fitted onto
another special type of DIN rail made according to DIN EN 60715 - Top hat section, 35mm
(e.g., Wago 210-113 steel carrier rail).
The following figure shows the various possibilities provided to mount the BGS2T.
Screw holes
Fixtures for
cable straps
Wago mounting foot
for top hat rail
Catch
C-rail (C30)
Figure 13: Mounting the BGS2T
The various ways to mount the BGS2T may be combined where appropriate. It is for example
possible to slide the terminal onto a DIN rail and in addition use cable straps to fasten it to a
holding.
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BGS2T Hardware Interface Description
5.3 Packaging
4343
5.3

Packaging
BGS2T comes in terminal boxes and is shipped in transportation cardboards:
• Terminal box size: 35mm x 83mm x 67mm.
• Transportation cardboard size: 363mm x 353mm x 205mm.
Each transportation cardboard contains 100 terminal boxes.
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BGS2T Hardware Interface Description
6 Full Type Approval
4646
6
Full Type Approval
6.1
Cinterion Reference Setup
The Cinterion reference setup submitted to type approve BGS2T consists of the following components:
•
•
•
BGS2T with approved GSM module (BGS2T RS232 or BGS2T RS485)
PC as MMI
Power Supply
PC
RS-232
or
RS-485
BGS2
Terminal
Antenna
or
50Ohm cable
to the
system simulator
ARP
SIM
Power supply
Figure 14: Reference equipment for approval
For ordering information please refer to Chapter 7.
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BGS2T Hardware Interface Description
6.2 Restrictions
4646
6.2

Restrictions
Later enhancements and modifications beyond the certified configuration require extra approvals. Each supplementary approval process includes submittal of the technical documentation
as well as testing of the changes made.
• No further approvals are required for customer applications that comply with the approved
BGS2T configuration.
• Extra approval must be obtained for applications using other accessories than those
included in the approved BGS2T configuration (power supply, MMI implementation supported by AT commands).
6.3
CE Conformity
The BGS2T meets the requirements of the EU directives listed below:
•
R&TTE Directive 1999/5/EC
6.4
EMC
The BGS2T complies with the equipment requirements specified in EN 301489-1, -7 and is
covered by the R&TTE Directive.
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BGS2T Hardware Interface Description
6.5 Compliance with FCC Rules and Regulations
4646
6.5

Compliance with FCC Rules and Regulations
As an integrated product, the BGS2T is fully compliant with the grant of the FCC Equipment
Authorization issued for the built-in BGS2 module, and therefore, bears the label “Contains
FCC ID QIPBGS2”.
The Equipment Authorization Certification for the BGS2 module is listed under the following
identifiers:
FCC Idenitifier: QIPBGS2
Industry Canada Certification Number: 7830A-BGS2
Granted to Cinterion Wireless Modules GmbH
Radiofrequency radiation exposure Information:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance of 20 cm between the radiator and your body. This transmitter must not be co-located or operating in
conjunction with any other antenna or transmitter.
Note: This terminal equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications made to this equipment not expressly approved by Cinterion may
void the FCC authorization to operate this equipment.
This device contains GSM and GPRS Class10 functions in the 900 and 1800MHz Band which
are not operational in U.S. Territories. This device is to be used only for mobile and fixed applications.
Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.
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BGS2T Hardware Interface Description
7 List of Parts and Accessories
47
7
List of Parts and Accessories
Table 24: List of parts and accessories
Description
Supplier
Ordering information
BGS2T
Cinterion
Ordering number
BGS2T RS232: L30960-N2700-A100
BGS2T RS485: L30960-N2710-A100
Power supply unit
Cinterion
Terminal Power Supply
Ordering number: L36880-N8490-A12
UK adapter for Terminal Power Supply
Ordering number: L36880-N8490-A13
US adapter for Terminal Power Supply
Ordering number: L36880-N8490-A14
AU adapter for Terminal Power Supply
Ordering number: L36880-N8490-A15
Mounting foot (209-188)
Top hat rail, i.e., 35mm DIN rail
(210-113)
Wago
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49-571-887-0
Fax: +49-571-887-169
Email: [email protected]
Web: http://www.wago.com/
Antenna - SMARTEQ-MiniMAG
Dualband, 0dBd, 2.6m RG174,
SMA (m)
KÖBEL Mobile
Communication
Ordering number: 1140.26 with crimped SMA
connector
KÖBEL Mobile Communication
Sesamstrasse 12
D-24632 Lentföhrden
RS-232 cable with 9-pin D-sub
connector (male)
Tecline
Ordering number: 300574
Tecline GmbH
Behrener Straße 8
D-66117 Saarbrücken
Phone: +49-681-926-78-70
Fax: +49-681-926-78-555
Web: http://www.tecline-edv.de/
6-pin header connector (male) for
RS-485 interface
PHOENIX
CONTACT
Ordering number: 1803617
PHOENIX CONTACT
Deutschland GmbH
Flachsmarktstr. 8
D-32825 Blomberg
Phone: +49 52 35/3-1 20 00
Fax: +49 52 35/3-1 29 99
Email: [email protected]
Web: http://www.phoenixcontact.com
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