Aug. 20, 2007
SFF GEPON PX20 ONU Transceiver
FTM-9412P-F20F(D)G
(IEEE 802.3ah™-2004 1000BASE-PX20-U)
Members of FlexonTM Family
Standard
Compliant with SFF MSA
Compliant with IEEE Std 802.3ah™ -2004
1000BASE-PX20-U
Compliant with FCC 47 CFR Part 15, Class B
Compliant with FDA 21 CFR 1040.10 and 1040.11,
Class I
Features
Description
Single fiber bi-directional data links with symmetric
1.25Gbps upstream and 1.25Gbps downstream
FTM-9412P-F20FG/F20FDG is Optical Network Unit
Integrated with micro-optics WDM filter for dual
(ONU) for IEEE802.3ah™-2004 1000BASE-PX20-U
wavelength Tx/Rx operation at 1310/1490nm
application
1310nm burst-mode transmitter with FP laser
1490nm continuous-mode receiver with PIN-TIA
and optional 1550nm optical signal rejection
0 to 70℃ operating temperature
2× 5 SFF package with SC/UPC pigtail
Single 3.3V power supply
LVPECL/CML
compatible
The transceiver is the high performance module for
1.25Gbps data link in single fiber by using 1310nm
burst-mode transmitter and 1490nm continuous-mode
receiver with optional 1550nm optical signal rejection.
The transmitter section uses a multiple quantum well
data
input/output
1310nm FP laser and is ClassⅠlaser compliant product
according to international safety standard IEC-60825.
interface
LVTTL transmitter burst-mode control
LVTTL receiver signal-detected indication
Low EMI and excellent ESD protection
Class I laser safety standard IEC-60825 compliant
RoHS compliance
The receiver section uses an integrated 1490nm PIN
and preamplifier mounted in an optical header and
limiting post-amplifier IC.
The optical burst output can be enabled by a LVTTL
logic high-level input of TX_BRST. Signal Detected (SD)
output is provided to indicate the detection of an input
Applications
optical signal of receiver.
Gigabit Ethernet Passive Optical Networks
(GEPON) – ONU side
Gigabit Ethernet Point-to-Point Bi-directional
Transmission
Media Converts for Fiber-In-The-Loop (FITL)
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SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
Aug. 20, 2007
Regulatory Compliance
The transceivers have been tested according to American and European product safety and electromagnetic
compatibility regulations (See Table 1). For further information regarding regulatory certification, please refer to
FlexonTM regulatory specification and safety guidelines, or contact with Fiberxon, Inc. America sales office listed at
the end of documentation.
Table 1 - Regulatory Compliance
Feature
Standard
Electrostatic Discharge
MIL-STD-883E
(ESD) to the Electrical Pins
Method 3015.7
Performance
Class Ⅰ(>500 V)
FCC Part 15 Class B
Electromagnetic
EN55022 Class B (CISPR 22B)
Interference (EMI)
Compliant with standards
VCCI Class B
Immunity
IEC 61000-4-3
Compliant with standards
FDA 21CFR 1040.10 and 1040.11
Laser Eye Safety
Compliant with Class I laser product
EN60950, EN (IEC) 60825-1,2
Component Recognition
UL and CSA
Compliant with standards
RoHS
2002/95/EC 4.1&4.2
Compliant with standards
Absolute Maximum Ratings
Absolute Maximum Ratings are those values, beyond which, some damages may occur to the devices. Exposure
to conditions above the Absolute Maximum Ratings listed in Table 2 may negatively impact the reliability of the
products.
Table 2 - Absolute Maximum Ratings
Symbol
Min.
Max.
Unit
Storage Ambient Temperature
Parameter
TSTG
-40
85
°C
Operating Case Temperature
TC
0
70
°C
Operating Humidity
HOPR
5
95
%
Power Supply Voltage
VCC
0
4
V
GND
Vcc
V
Input Voltage
Receiver Damaged Threshold
2
Soldering Temperature
Bending Radius
dBm
380/10
°C/s
1
240/10
°C/s
2
30
Pigtail Fiber Contact Temperature
Note
mm
85
°C
Note 1: Only for soldering by iron
Note 2: Only for wave soldering
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SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
Aug. 20, 2007
Recommended Operating Conditions
Table 3 - Recommended Operating Conditions
Parameter
Symbol
Min.
Unit
Notes
3.47
V
3.3±5%
0
70
°C
1
5
95
%
Power Supply Voltage
VCC
3.13
Operating Ambient Temperature
TOPR
Operating Humidity
HOPR
Typ.
3.3
Data Rate
Max.
1.25
Data Rate Drift
-100
Gbit/s
+100
PPM
Note 1: When ambient temperature is above 60°C, airflow at rate higher than 1m/sec is required
Optical and Electrical Characteristics
Table 4 - Transmitter Optical and Electrical Characteristics (0°C <TOPR<70°C and 3.13V<VCC<3.47V)
Parameter
Optical Center Wavelength
Optical Spectrum Width (RMS)
Symbol
Min.
λC
1276
∆λ
Average Launch Power
POUT
Average Launch Power-OFF Transmitter
POFF
Extinction Ratio
Max.
Unit
1356
nm
2.8
nm
4
dBm
-45
dBm
0
ER
Rise/Fall Time (20%-80%)
Typ.
9
2
2,3
260
ps
Burst Turn On Time
TBURST_ON
30
ns
Burst Turn Off Time
TBURST_OFF
30
ns
Burst Enable Duration
TEN_DUR
600
ns
Burst Disable Duration
TDIS_DUR
100
ns
-115
dB/Hz
Optical Return Loss Tolerance
15
dB
Transmitter Reflectance
-10
dB
2
dB
Transmitter and Dispersion Penalty
TDP
Optical Eye Diagram
Compliant With IEEE Std 802.3ah™-2004
Data Input Differential Swing
VIN
200
Input Differential Impedance
ZIN
90
Common-Mode Input Voltage
VCM
VCC-1.49
Power Supply Current
4
5
2,6
1600
mV
100
110
Ω
VCC-1.32
VCC- VIN/4
V
200
mA
ICC_TX
1
dB
TR/TF
RIN15OMA
Note
Transmitter Burst Control Voltage - Low
VBURST, L
0
0.8
V
Transmitter Burst Control Voltage - High
VBURST, H
2.0
VCC
V
7
8
9
Note 1: Launched into 9/125um Single Mode Fiber.
Note 2: Measured with PRBS 27-1 test pattern @1.25 Gbit/s.
Note 3: Measured with the Bessel-Thompson filter OFF.
Note 4: Refer to Timing Parameter Definition in Burst Mode Sequence.
Note 5: Maximum sensitivity penalty due to transmitter and dispersion effect through 20km of SMF optical fiber.
Note 6: Transmitter eye mask definition is {0.22UI, 0.375UI, 0.20UI, 0.20UI, 0.30UI}.
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SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
Aug. 20, 2007
Note 7: Compatible with LVPECL/CML input
(See Recommended Interface Circuit and Table 6 - Electrical Input/Output Coupling Mode)
Note 8: Only for FTM-9412P-F20FD
Note 9: TX_BRST (See Pin Function Definitions)
Table 5 - Receiver Optical and Electrical Characteristics (0°C <TOPR<70°C and 3.13V<VCC<3.47V)
Parameter
Symbol
Operating Wavelength
Sensitivity
PSEN
Saturation
PSAT
Min.
Typ.
Max.
Unit
1480
1490
1500
nm
-27.5
dBm
-3
Signal-Detected Assert Level
PSDA
Signal-Detected Deassert Level
PSDD
-39
PSDA- PSDD
0.5
Signal-Detected Hysteresis
WDM Filter Isolation
dBm
2
dBm
3
6
dBm
-12
dB
ISO (1550)
38
dB
ISO (1650)
35
dB
Power Supply Current
ICC_RX
Data Output Differential Swing
VOUT
Signal-Detected Voltage - Low
Signal-Detected Voltage - High
140
mA
400
1600
mV
VSD, L
0
0.8
V
VSD, H
2.0
VCC
V
Signal-Detected Assert Time
TASS
100
µs
Signal-Detected Deassert Time
TDAS
100
µs
7
1
dBm
-28
Receiver Reflectance
Notes
4
5
-12
Note 1: Measured with a PRBS 2 -1 test pattern @1.25Gbit/s and ER=9dB, BER =10 .
Note 2: An increase in optical power above the specified level will cause the Signal Detect output to switch from a
low state to a high state.
Note 3: A decrease in optical power below the specified level will cause the Signal Detect output to switch from a
high state to a low state.
Note 4: LVPECL output, AC coupled internally, guaranteed in the full range of input optical power (-3dBm to
-28dBm)(See Recommended Interface Circuit)
Note 5: SD (See Pin Function Definitions)
Table 6 - Electrical Input/Output Coupling Mode
P/N
Input (TD+/TD-)
Output (RD+/RD-)
FTM-9412P-F20FG
Internal AC Coupling
Internal AC Coupling
FTM-9412P-F20FDG
Internal DC Coupling
Internal AC Coupling
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Page 4 of 12
SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
TX_BRST
Aug. 20, 2007
T DIS_DUR
T EN_DUR
TD+
TD-
Average Power
<=-45dBm
Optical
Power
Output
ER for CM
operation
TBURST_ON
Burst On Condition
ER and Average
Power within 15%
CM operation
TBURST_OFF
Burst Off Condition
Figure 1 Timing Parameter Definition in Burst Mode Sequence
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Page 5 of 12
SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
Aug. 20, 2007
Recommended Interface Circuit
Figure 2 shows the recommended interface scheme for FTM-9412P-F20FG.
+3.3V
V EET (7)
2x1 uH
0.1uF
V CCR (2)
0.1uF
10 uF
FTM-9412P-F20FG
V CCT (6)
10 uF
0.1uF
V EER (1)
TX_BRST(8)
PON_TX_DISABLE
Z=50
TXP
(Note A)
TXN
TD+(9)
Z=50
TD-(10)
Z=50
RD-(4)
BM
Laser
Driver
100
2x150
GEPON MAC
SerDes
R1
+3.3V
R2
RXN
R5
(Note B)
RXP
R3
Z=50
CM
Limiting
Amplifier
RD+(5)
+3.3V
R4
2x150
10K
SD(3)
PON_LOS
Figure 2 Recommended Interface Circuit (FTM-9412P-F20FG)
Note A: Open emitter output internally.
Note B: LVPECL output, AC coupled internally.
Input stage in SerDes IC is assumed with high impedance and internal bias to Vcc-1.3V
R1=R2=R3=R4=N.C, R5=100Ω
Input stage in SerDes IC is assumed without internal bias to Vcc-1.3V
R1=R2=82Ω,R3=R4=130Ω,R5=N.C
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SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
Aug. 20, 2007
Figure 3 shows the recommended interface scheme for FTM-9412P-F20FDG
+3.3V
V EET(7)
2x1 uH
0.1uF
V CCR (2)
0.1uF
10uF
10 uF
0.1uF
V EER (1)
TX_BRST(8)
PON_TX_DISABLE
Z=50
130
TXP
(Note A)
Z=50
TXN
+3.3V
130
TD+(9)
BM
Laser
Driver
TD-(10)
82
GEPON MAC
FTM-9412P-F20FDG
V CCT (6)
82
SerDes
R1
+3.3V
R2
RXN
R5
(Note B)
RXP
R3
Z=50
RD-(4)
Z=50
RD+(5)
CM
Limiting
Amplifier
+3.3V
R4
2x150
10K
SD(3)
PON_LOS
Figure 3 Recommended Interface Circuit (FTM-9412P-F20FDG)
Note A: Open emitter output internally.
Note B: LVPECL output, AC coupled internally.
Input stage in SerDes IC is assumed with high impedance and internal bias to Vcc-1.3V
R1=R2=R3=R4=N.C, R5=100Ω
Input stage in SerDes IC is assumed without internal bias to Vcc-1.3V
R1=R2=82Ω,R3=R4=130Ω,R5=N.C
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SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
Aug. 20, 2007
Pin Definitions
2×5 SFF planform in Figure 4 below shows the pin information of electrical interface and mounting studs.
Functions are described in Table 7 with some accompanying notes.
Figure 4 2×5SFF Planform
Table 7 - Pin Function Definitions (2×5 SFF)
Pin No.
Name
1
VEER
Receiver Signal Ground
Description
2
VCCR
Receiver Power Supply
3
SD
Receiver Signal-Detected Indication
4
RD-
Inverted Receiver Data Output
5
RD+
Non-inverted Receiver Data Output
6
VCCT
Transmitter Power Supply
7
VEET
Transmitter Signal Ground
8
TX_BRST
Transmitter Burst Control
9
TD+
Transmitter Non-inverted Data Input
10
TD-
Transmitter Inverted Data Input
F
MS
Mounting Studs
Notes
1
2
3
4
5
Note 1: TTL logic output, with internal 10KΩ pull-up resistor.
Optical Signal-Detected: High; Optical Signal Loss: Low
Note 2: LVPECL logic output, AC coupled internally. (See Recommended Interface Circuit)
Note 3: A positive level enable optical signal output under burst mode.
(See Timing Parameter Definition in Burst Mode Sequence)
Note 4: Compatible with LVPECL/CML input
(See Recommended Interface Circuit and Table 6 - Electrical Input/Output Coupling Mode)
Note 5: The mounting studs are provided for transceiver mechanical attachment to circuit board. They may also
provide an optional connection of the transceiver to the equipment chassis ground. The holes in the circuit
board must be tied to chassis ground. It is not recommended that the mounting studs be connected to
signal ground.
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SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
Aug. 20, 2007
Mechanical Design Diagram
The form factor is 2×5 SFF with pigtail fiber. The pigtail fiber has a length 1000 - 1600mm and 30mm minimum
bending radius. The fiber connector type is SC/UPC. The mechanical design diagram is shown in Figure 5.
(Dimension in mm)
Figure 5 Mechanical Design Diagram (2×5 SFF)
Table 8 - Pigtail Fibre Characteristics
Parameter
Min.
Mode Field Diameter
Typical
Max.
Unit
9
µm
Cladding Diameter
125
µm
Jacket Diameter
0.9
mm
Bending Radius of Pigtail Fiber
30
mm
Tension Force on Pigtail Fiber
Pigtail Fiber Length
1000
Optical Return Loss (UPC type) -1310nm
1
Kg
1600
mm
50
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dB
Page 9 of 12
SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
Aug. 20, 2007
Ordering Information
Part No.
FTM-9412P-F20FG
FTM-9412P-F20FDG
Product Description
1310nm(TX)/1490nm(RX), SC/UPC Pigtailed 2×5 SFF for GE-PON ONU 20km application, with
1550nm optical signal blocked, 0°C ~ 70°C, Tx AC Coupling, Rx AC Coupling, RoHS compliance
1310nm(TX)/1490nm(RX), SC/UPC Pigtailed 2×5 SFF for GE-PON ONU 20km application, with
1550nm optical signal blocked, 0°C ~ 70°C, Tx DC Coupling, Rx AC Coupling, RoHS compliance
Related Documents
For further information, please refer to the following documents:
IEEE Std 802.3ahTM-2004
Obtaining Document
You can visit our website:
http://www.fiberxon.com/
Or contact with Fiberxon, Inc. America Sales Office listed at the end of documentation to get the latest documents.
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Page 10 of 12
SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
Aug. 20, 2007
Revision History
Reversion
Initiate
Review
Approve
Subject
Release Date
Initial datasheet Only including
Pre 1a
Zachary Lu
Johnny Yang
Peter Tang
FTM-9412P-F20F
2005-1-27
(Doc No. DS3493006-1a)
Revised datasheet
1.Add new P/Ns: FTM-9412P-F20FD,
2.Improve Burst Turn On Time and Burst Turn
Off Time specification from 64ns(Max.) to
Pre 2a
Johnny Yang
Peter Tang
Peter Tang
30ns(Max.) in Table 4, Page 3
2005-11-17
3.Update the transmitter part Central
Wavelength from 1304~ 1320nm to
1300~1325nm.
(Doc No. DS3493006-2a)
Revised datasheet
1.
Update P/N FTM-9412P-F20F to
FTM-9412P-F20FG;
2.
Update P/N FTM-9412P-F20FD to
FTM-9412P-F20FDG;
1c
Jacob Cai
Gary Chen
Peter Tang
3.
Update photo in cover page;
4.
Update Table 1 for RoHS regulation;
5.
Update soldering temperature information in
Aug. 20, 2007
Table 2;
6.
Update Figure 5;
7.
Update datasheet template.
(Doc No. DS3493006-1c)
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SFF GEPON PX20 ONU Transceiver
IEEE802.3ah™ 1000BASE-PX20
Aug. 20, 2007
© Copyright Fiberxon Inc. 2007
All Rights Reserved.
All information contained in this document is subject to change without notice. The products described in this
document are NOT intended for use in implantation or other life support applications where malfunction may result
in injury or death to persons.
The information contained in this document does not affect or change Fiberxon’s product specifications or
warranties. Nothing in this document shall operate as an express or implied license or indemnity under the
intellectual property rights of Fiberxon or third parties. All information contained in this document was obtained in
specific environments, and is presented as an illustration. The results obtained in other operating environment may
vary.
THE INFORMATION CONTAINED IN THIS DOCUMENT IS PROVIDED ON AN ”AS IS” BASIS. In no event will
Fiberxon be liable for damages arising directly from any use of the information contained in this document.
Contact
U.S.A. Headquarters:
5201 Great America Parkway, Suite 340
Santa Clara, CA 95054
U. S. A.
Tel: 408-562-6288
Fax: 408-562-6289
Or visit our website: http://www.fiberxon.com/
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