ETC HFCT

Agilent HFCT-5760xx Single Mode
OC-3/STM-1 Small Form Factor
Pluggable Transceivers
Part of the Agilent METRAK family
Data Sheet
Description
The HFCT-5760xx Small Form
Factor Pluggable LC optical
transceivers are high
performance, cost effective
modules for serial data
transmission at a signal rate of
155 Mbit/s. The transceivers are
compliant with SONET/SDH and
the Small Form Factor Pluggable
(SFP) Multi-Source Agreement
(MSA) specifications. They are
designed for intermediate and
long reach applications at 155
Mbit/s.
The transceivers operate at a
nominal wavelength of 1300 nm
over single mode fiber. The
transmitter section incorporates
a highly reliable Fabry Perot
(FP) laser and uses an MOVPE
grown planar PIN photodetector
for low dark current and
excellent responsivity on the
receiver section.
Features
• Compliant with ITU-T G.957 STM1 S1.1 (15 km) and L1.1 (40 km)
Optical Interface
• Compliant with Telcordia GR253
OC3 IR-1 (15 km) and LR-1 (40
km) Optical Interface
• Multi-Source Agreement (MSA)
compliant SFP package
• Hot-pluggable
• Multirate operation from
125 Mb/s to 155 Mb/s
• Operating case temperature range
of -10 to +85 °C
• Optional extended de-latch for
high density applications
- standard de-latch
- bail de-latch
• Manufactured in an ISO 9001
“compliant facility”
• Single +3.3 V power supply
• Class 1 CDRH/IEC 825 eye safety
compliant
• LC Duplex fiber connector
Applications
OC-3 SFP transceivers are designed
for ATM LAN and WAN applications
such as:
• ATM switches and routers
• SONET/SDH switch infrastructure
• xDSL applications
• Metro edge switching
• Suitable for Fast Ethernet
applications
Related Products
• HFCT-596xx LC SFF PTH
transceivers
• HDMP-3001 Ethernet Over
SONET/SDH Mapper
Functional Description
Receiver Section
Transmitter Section
Design
The receiver section for the
HFCT-5760xx contains an
InGaAs/InP photo detector and
a preamplifier mounted in an
optical subassembly. This optical
subassembly is coupled to a
postamplifier/decision circuit on
a circuit board.
Design
A schematic diagram for the
transceiver is shown in Figure 1.
The HFCT-5760xx incorporates
an FP laser as its optical source.
All part numbers have been
designed to be compliant with
IEC 825 eye safety requirements
under any single fault condition
and CDRH under normal
operating conditions. The
optical output is controlled by a
custom IC that detects the laser
output via the monitor
photodiode. This IC provides
both dc and ac current drive to
the laser to ensure correct
modulation, eye diagram and
extinction ratio over
temperature, supply voltage and
operating life.
The postamplifier is ac coupled
to the preamplifier. The
coupling capacitors are large
enough to pass the SONET/SDH
test pattern at 155 Mb/s without
significant distortion or
performance penalty. If a lower
signal rate, or a code which has
significantly more low frequency
content is used, sensitivity, jitter
and pulse distortion could be
degraded.
There is a filter function which
limits the bandwidth of the
preamp output signal. The filter
is designed to bandlimit the
preamp output noise and thus
improve the receiver sensitivity.
Loss of Signal
The Loss of Signal (LOS) output
indicates that the optical input
signal to the receiver does not
meet the minimum detectable
level for compliant signals.
When LOS is high it indicates
loss of signal. When LOS is low
it indicates normal operation.
The Loss of Signal thresholds are
set to indicate a definite optical
fault has occurred (eg.,
disconnected or broken fiber
connection to receiver, failed
transmitter).
Tx Disable
The HFCT-5760xx accepts a
transmit disable control signal
input which shuts down the
transmitter. A high signal
implements this function while a
low signal allows normal laser
operation. In the event of a fault
(eg., eye safety circuit
activated), cycling this control
signal resets the module. The Tx
Disable control should be
actuated upon initialization of
the module.
Tx Fault
The HFCT-5760xx module
features a transmit fault control
signal output which when high
indicates a laser transmit fault
has occurred and when low
indicates normal laser
operation. A transmitter fault
condition can be caused by
deviations from the
recommended module operating
conditions or by violation of eye
safety conditions. A fault is
cleared by cycling the Tx Disable
control input.
TRANSIMPEDANCE
PREAMPLIFIER
ELECTRICAL INTERFACE
DATA OUT
FILTER
OUTPUT
BUFFER
AMPLIFIER
DATA OUT
LOS
PHOTODIODE
FP
LASER
LASER
BIAS
CONTROL
LASER
DRIVER
DATA IN
MODULATOR
&
SAFETY
CIRCUITRY
DATA IN
TX_DISABLE
TX_FAULT
MOD-DEF (2)
EEPROM
Figure 1. Transceiver functional diagram
2
MOD-DEF (1)
MOD-DEF (0)
Module Description
The transceiver meets the Small
Form Pluggable (SFP) industry
standard package utilizing an
integral LC-Duplex optical
interface connector. The hotpluggable capability of the SFP
package allows the module to be
installed at any time - with the
host system operating and online. This allows for system
configuration changes or
maintenance without system
down time. The HFCT-5760xx
uses a reliable 1300 nm FP laser
source and requires a 3.3 V dc
power supply for optimal design.
Module Diagrams
Figure 1 illustrates the major
functional components of the
HFCT-5760xx. The connection
diagram of the module is shown
in Figure 4. Figure 2 depicts the
external configuration of the
module. Figure 3 depicts the
MSA recommended power
supply filter.
Installation
The HFCT-5760xx can be
installed in or removed from any
Multisource Agreement (MSA) compliant Small Form Pluggable
port regardless of whether the
host equipment is operating or
not. The module is simply
inserted, electrical interface
first, under finger pressure.
Controlled hot-plugging is
ensured by design and by 3stage pin sequencing at the
electrical interface. The module
housing makes initial contact
with the host board EMI shield
mitigating potential damage due
to Electro-Static Discharge
(ESD). The 3-stage pin contact
sequencing involves (1) Ground,
(2) Power, and then (3) Signal
pins, making contact with the
host board surface mount
connector in that order.
20
VEET
1
VEET
19
TD-
2
Tx FAULT
18
TD+
3
TxDISABLE
17
VEET
4
MOD-DEF(2)
16
VCCT
5
MOD-DEF(1)
15
VCCR
6
MOD-DEF(0)
14
VEER
7
RATE SELECT
13
RD+
8
LOS
12
RD-
9
VEER
11
VEER
10
VEER
TOP OF BOARD
BOTTOM OF BOARD
(AS VIEWED THROUGH TOP OF BOARD)
Figure 4. Connection diagram of module
printed circuit board
Figure 2. Recommended application configuration
Figure 3. MSA required power supply filter
3
Table 1. Pin-out Table
The pin arrangement and definition of this product meets SFP MSA. Table 1 lists the pin description.
Pin
Name
Function/Description
1
VeeT
Transmitter Ground
MSA Notes
2
TX Fault
Transmitter Fault Indication
Note 1
3
TX Disable
Transmitter Disable - Module disables on high or open
Note 2
4
MOD-DEF2
Module Definition 2 - Two wire serial ID interface
Note 3
5
MOD-DEF1
Module Definition 1 - Two wire serial ID interface
Note 3
6
MOD-DEF0
Module Definition 0 - Grounded in module
Note 3
7
Rate Select
Not Connected
8
LOS
Loss of Signal
Note 4
9
VeeR
Receiver Ground
Note 5
10
VeeR
Receiver Ground
Note 5
11
VeeR
Receiver Ground
Note 5
12
RD-
Inverse Received Data Out
Note 6
13
RD+
Received Data Out
Note 6
14
VeeR
Receiver Ground
Note 5
15
VccR
Receiver Power - 3.3 V ±5%
Note 7
16
VccT
Transmitter Power - 3.3 V ±5%
Note 7
17
VeeT
Transmitter Ground
Note 5
18
TD+
Transmitter Data In
Note 8
19
TD-
Inverse Transmitter Data In
Note 8
20
VeeT
Transmitter Ground
Note 5
Notes:
1. TX Fault is an open collector/drain output which should be pulled up externally with a 4.7K – 10 KW resistor on the host board to a supply < Vcc + 0.3
V. When high, this output indicates a laser fault of some kind. Low indicates normal operation. In the low state, the output will be pulled to < 0.8 V.
2. TX disable input is used to shut down the laser output per the state table below with an external 4.7-10 KW4 pull-up resistor.
Low (0 – 0.8 V):
Transmitter on
Between (0.8 V and 2.0 V): Undefined
High (2.0 – 3.465 V):
Transmitter Disabled
Open:
Transmitter Disabled
3. Mod-Def0,1,2. These are the module definition pins. They should be pulled up with a 4.7-10 KW resistor on the host board to a supply less than VccT
(0.3 V or VccR + 0.3 V.
Mod-Def 0 is grounded by the module to indicate that the module is present
Mod-Def 1 is clock line of two wire serial interface for optional serial ID
Mod-Def 2 is data line of two wire serial interface for optional serial ID
4. LOS (Loss of Signal) is an open collector/drain output which should be pulled up externally with a 4.7K – 10 KW resistor on the host board to a supply
< VccT,R + 0.3 V. When high, this output indicates the received optical power is below the worst case receiver sensitivity (as defined by the standard
in use). Low indicates normal operation. In the low state, the output will be pulled to < 0.8 V. Please see later section for LOS timing.
5. VeeR and VeeT may be internally connected within the SFP module
6. RD-/+: These are the differential receiver outputs. They are ac coupled 100 W differential lines which should be terminated with 100 W differential at
the user SERDES. The ac coupling is done inside the module and is thus not required on the host board. The voltage swing on these lines will be
between 370 and 2000 mV differential (185 – 1000 mV single ended) when properly terminated.
7. VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.1 – 3.5 V at the SFP connector pin. The maximum supply
current is 300 mA.
8. TD-/+: These are the differential transmitter inputs. They are ac coupled differential lines with 100 W differential termination inside the module. The
ac coupling is done inside the module and is thus not required on the host board. The inputs will accept differential swings of 500 – 2400 mV (250 –
1200 mV single ended).
4
Serial Identification (EEPROM)
identification protocol. This
The HFCT-5760TL/TP is
protocol uses the 2-wire serial
compliant with the SFP MSA,
CMOS E2PROM protocol of the
which defines the serial
ATMEL AT24C01A or similar.
Table 2. EEPROM Serial ID Memory Contents
MSA compliant, example
contents of the HFCT-5760TL/
TP serial ID memory are defined
in Table 2.
Addr
Hex
Addr
Hex
ASCII
Addr
Hex
ASCII
0
03
40
48
H
68
Note 1
1
04
41
46
F
69
Note 1
97
Note 4
2
07
42
43
C
70
Note 1
98
Note 4
ASCII
Addr
Hex
96
Note 4
3
00
43
54
T
71
Note 1
99
Note 4
4
00
44
2D
-
72
Note 1
100
Note 4
5
02
45
35
5
73
Note 1
101
Note 4
6
00
46
37
7
74
Note 1
102
Note 4
7
00
47
36
6
75
Note 1
103
Note 4
8
00
48
30
0
76
Note 1
104
Note 4
T
9
00
49
54
77
Note 1
105
Note 4
10
00
50
20
78
Note 1
106
Note 4
11
03
51
20
79
Note 1
107
Note 4
12
02
52
20
80
Note 1
108
Note 4
13
00
53
20
81
Note 1
109
Note 4
14
0F
54
20
82
Note 1
110
Note 4
15
96
55
20
83
Note 1
111
Note 4
16
00
56
20
84
Note 2
112
Note 4
17
00
57
20
85
Note 2
113
Note 4
18
00
58
20
86
Note 2
114
Note 4
19
00
59
20
87
Note 2
115
Note 4
20
41
A
60
00
88
Note 2
116
Note 4
21
47
G
61
00
89
Note 2
117
Note 4
22
49
I
62
00
90
Note 2
118
Note 4
23
4C
L
63
99, Note 3
91
Note 2
119
Note 4
24
45
E
64
00
92
00
120
Note 4
25
4E
N
65
1A
93
00
121
Note 4
26
54
T
66
00
94
00
122
Note 4
27
20
67
00
95
Note 3
123
Note 4
28
20
124
Note 4
29
20
125
Note 4
30
20
126
Note 4
31
20
127
Note 4
32
20
33
20
34
20
35
20
36
00
37
00
38
30
39
5
D3
Notes:
1. Address 68-83 specify a unique identifier.
2. Address 84-91 specify the date code.
3. Addresses 63 and 95 are check sums. Address 63 is the check sum for bytes 0-62 and address 95 is the check sum for bytes 64-94.
4. Address 96-127 is vendor specific data.
ASCII
Serial Identification (EEPROM)
identification protocol. This
The HFCT-5760NL/NP is
protocol uses the 2-wire serial
compliant with the SFP MSA,
CMOS E2PROM protocol of the
which defines the serial
ATMEL AT24C01A or similar.
Table 3. EEPROM Serial ID Memory Contents
MSA compliant, example
contents of the HFCT-5760NL/
NP serial ID memory are defined
in Table 3.
Addr
Hex
Addr
Hex
ASCII
Addr
Hex
ASCII
0
03
40
48
H
68
Note 1
1
04
41
46
F
69
Note 1
97
Note 4
2
07
42
43
C
70
Note 1
98
Note 4
ASCII
Addr
Hex
96
Note 4
3
00
43
54
T
71
Note 1
99
Note 4
4
00
44
2D
-
72
Note 1
100
Note 4
5
04
45
35
5
73
Note 1
101
Note 4
6
00
46
37
7
74
Note 1
102
Note 4
7
00
47
36
6
75
Note 1
103
Note 4
8
00
48
30
0
76
Note 1
104
Note 4
N
9
00
49
4E
77
20
105
Note 4
10
00
50
20
78
20
106
Note 4
11
03
51
20
79
20
107
Note 4
12
02
52
20
80
20
108
Note 4
13
00
53
20
81
20
109
Note 4
14
28
54
20
82
20
110
Note 4
15
FF
55
20
83
20
111
Note 4
16
00
56
20
84
Note 2
112
Note 4
17
00
57
20
85
Note 2
113
Note 4
18
00
58
20
86
Note 2
114
Note 4
19
00
59
20
87
Note 2
115
Note 4
20
41
A
60
00
88
Note 2
116
Note 4
21
47
G
61
00
89
Note 2
117
Note 4
22
49
I
62
00
90
Note 2
118
Note 4
23
4C
L
63
17, Note 3
91
Note 2
119
Note 4
24
45
E
64
00
92
00
120
Note 4
25
4E
N
65
1A
93
00
121
Note 4
26
54
T
66
00
94
00
122
Note 4
27
20
67
00
95
Note 3
123
Note 4
28
20
124
Note 4
29
20
125
Note 4
30
20
126
Note 4
31
20
127
Note 4
32
20
33
20
34
20
35
20
36
00
37
00
38
30
39
D3
6
Notes:
1. Address 68-83 specify a unique identifier.
2. Address 84-91 specify the date code.
3. Addresses 63 and 95 are check sums. Address 63 is the check sum for bytes 0-62 and address 95 is the check sum for bytes 64-94.
4. Address 96-127 is vendor specific data.
ASCII
Optical Parameters
Absolute Maximum Ratings
Absolute maximum ratings are those values beyond which functional performance is not intended, device reliability is not implied,
and damage to the device may occur.
Parameter
Symbol
Minimum
Maximum
Unit
Storage Temperature (non-operating)
TS
-40
+85
°C
Relative Humidity
RH
0
85
%
Supply Voltage
VCC
-0.5
3.63
V
Input Voltage on any Pin
VI
-0.5
VCC
V
Receiver Optical Input
PINABS
6
dBm
Notes
Recommended Multirate Operating Conditions
Typical operating conditions are those values for which functional performance and device reliability is implied.
Parameter
Symbol
Minimum
Case Operating Temperature
TA
-10
Supply Voltage
VCC
3.1
Typical
3.3
Maximum
Unit
Notes
+85
°C
1
3.5
V
Notes:
1. Operating conditions: +70 °C ambient, air flow 0.5 ms-1
Transceiver Electrical Characteristics for multirate operations at Fast Ethernet (125 Mbit/s) and OC-3 (155 Mbit/s)
Parameter
Symbol
Maximum
Unit
Notes
Module supply current
ICCT
Minimum
Typical
250
mA
1
Power Dissipation
PDISS
875
mW
mV
2
30
mA
6
AC Electrical Characteristics
Power Supply Noise Rejection
PSNR
100
In-rush Current
DC Electrical Characteristics
Signal Outputs:
Transmit Fault (TX_FAULT)
Loss of Signal (LOS)
Signal Inputs:
Transmitter Disable (TX_DISABLE)
MOD-DEF1, 2
Data Input:
Transmitter Single Ended Input Voltage (TD±)
Data Ouput:
Receiver Single Ended Output Voltage (RD±)
VOH
VOL
2.0
0
3.5
0.8
V
V
3
VIH
VIL
2.0
0
3.5
0.8
V
V
3
VI
250
1200
mV
4
VO
160
1000
mV
5
Notes:
1. MSA gives max current at 300 mA.
2. MSA filter is required on host board 10 Hz to 2 MHz.
3. LVTTL, External 4.7-10 KW pull up resistor required on host board to voltage less than Vcc + 0.3 V.
4. Internally ac coupled and terminated (100 W differential).
5. Internally ac coupled and load termination located at the user SERDES.
6. Satisfied after 500 ns. Within 500 ns, max current of 2000 mA and energy of 700 nanojoules.
7. The transceivers are complaint to OC-3 parametric specification when operating at 125 Mbit/s.
7
Transmitter Optical Characteristics for multirate operations at Fast Ethernet (125 Mbit/s) and OC-3 (155 Mbit/s)
Parameter
Optical Output Power
Symbol
Minimum
Maximum
Unit
Notes
HFCT-5760TL/P
POUT
-15
-8
dBm
1
HFCT-5760NL/P
POUT
-5
0
dBm
1
lC
1270
1360
nm
7.7
nm
Center Wavelength
Spectral Width - RMS
HFCT-5760TL/P
s
HFCT-5760NL/P
Typical*
2
s
3
nm
2
Optical Rise Time
tr
2.5
ns
3
Optical Fall Time
tf
2.5
ns
3
-45
dBm
Tx disable OFF power
Extinction Ratio
POFF
HFCT-5760TL/P
HFCT-5760NL/P
Eye Mask Margin
Jitter Generation
Er
8.2
dB
Er
10
dB
EMM
30
%
4
pk to pk
70
mUI
5
RMS
7
mUI
5
*Typicals indicated expected values for room temperature measurements +25 °C
Notes:
1. The output power is coupled into a 1 m single mode fiber. Minimum output optical level is at end of life
2. The relationship between FWHM and RMS values for spectral width can derived from the Gaussian shaped spectrum which results in
RMS=FWHM/2.35
3. These are unfiltered 20-80% values.
4. 30% margin to eye mask in Telcordia GR-253-CORE and ITU-T G.957
5. Jitter measurements taken with Agilent OMNIBERT 718 in accordance with GR253
Receiver Optical Characteristics for multirate operations at Fast Ethernet (125 Mbit/s) and OC-3 (155 Mbit/s)
Parameter
HFCT-5760TL/P
Receiver Sensitivity
HFCT-5760NL/P
Symbol Minimum Typical
Maximum Unit Notes
PINMIN
-31
dBm
1
-34
dBm
1
PINMIN
Receiver Overload
PINMAX
0
Input Operating Wavelength
l
1261
HFCT-5760TL/P
LOS Deassert
HFCT-5760NL/P
PLOSD
PLOSD
LOS Assert
PLOSA
-45
LOS Hysteresis
PH
0.5
dBm
1360
nm
-31.5
dBm
-34.5
dBm
dBm
4
dB
Notes:
1. The receiver is guaranteed to provide output data with a Bit Error Rate better than or equal to 1 x 10-10 measured with TX powered and carrying data.
8
Transceiver Timing Characteristics
Parameter
Symbol
Minimum
Typical
Maximum
Unit
Notes
Tx Disable Assert Time
t_off
10
µs
1
Tx Disable Negate Time
t_on
1
ms
2
t_init
300
ms
3
Tx Fault Assert Time
t_fault
100
µs
4
Tx Disable to Reset
t_reset
10
µs
5
LOS Assert Time
t_loss_on
2.3
LOS Deassert Time
t_loss_off
Time to initialize, including reset of
Tx-Fault
Serial ID Clock Rate
f_serial_
clock
Notes:
1. Time from rising edge of Tx Disable to when the optical output falls below 10% of nominal.
2. Time from falling edge of Tx Disable to when the modulated optical output rises above 90% of nominal.
3. From power on or negation of Tx Fault using Tx Disable.
4. Time from fault to Tx fault on.
5. Time Tx Disable must be held high to reset Tx_fault.
6. Time from LOS state to Rx LOS assert.
7. Time from non-LOS state to RX LOS deassert.
Figure 5. Timing Diagrams
9
100
µs
6
100
µs
7
100
kHz
Regulatory Compliance
Electrostatic Discharge
There are two conditions in
which immunity to ESD damage
is important. The first condition
is during handling of the
transceiver prior to insertion
into the transceiver port. To
protect the transceiver, it is
important to use normal ESD
handling precautions. The ESD
sensitivity of the HFCT-5760xx
is compatible with typical
industry production
environments. The second
condition is static discharges to
the exterior of the host
equipment chassis after
installation. To the extent that
the duplex LC optical interface
is exposed to the outside of the
host equipment chassis, it may
be subject to system-level ESD
requirements. The ESD
performance of the HFCT5760xx exceeds typical industry
standards.
Immunity
Equipment hosting the HFCT5760xx modules will be
subjected to radio-frequency
electromagnetic fields in some
environments. These
transceivers have good
immunity to such fields due to
their shielded design.
Eye Safety
These 1300 nm FP laser based
transceivers provide Class 1 eye
safety by design. Agilent has
tested the transceiver design for
compliance with the
requirements listed in Table 3
under normal operating
conditions and under a single
fault condition.
Electromagnetic Interference (EMI)
Most equipment designs utilizing
these high-speed transceivers
from Agilent will be required to
meet the requirements of FCC in
the United States, CENELEC
EN55022 (CISPR 22) in Europe
and VCCI in Japan.
The metal housing and shielded
design of the HFCT-5760xx
minimize the EMI challenge
facing the host equipment
designer. These transceivers
provide superior EMI
performance. This greatly
assists the designer in the
management of the overall
system EMI performance.
Table 3. Regulatory Compliance
Feature
Test Method
Performance
Electrostatic Discharge (ESD) to
the Electrical Pins
Electrostatic Discharge (ESD) to
the Duplex LC Receptacle
MIL-STD-883C
Method 3015
Bellcore GR1089-CORE
Class 1 (>2000 Volts)
25 kV Air Discharge
10 Zaps at 8 kV (contact discharge) on the electrical faceplate on
panel.
Electromagnetic Interference (EMI) FCC Class B
Applications with high SFP port counts are expected to be compliant;
however, margins are dependent on customer board and chassis
design.
Immunity
Variation of IEC 61000-4-3
No measurable effect from a 10 V/m field swept from 80 to 1000 MHz
applied to the transceiver without a chassis enclosure.
HFCT-5760NL CDRH certification # 9521220-46
Eye Safety
US FDA CDRH AEL Class 1
HFCT-5760NP CDRH certification # 9521220-78
EN (IEC) 60825-1, 2,
HFCT-5760TL CDRH certification # 9521220-47
EN60950 Class 1
HFCT-5760TP CDRH certification # 9521220-80
HFCT-5760NL TUV file # 933/510206/03
HFCT-5760TL TUV file # 933/510116/02
UL file # E173874
Component Recognition
Underwriter's Laboratories and Canadian UL file # E173874
Standards Association Joint Component
Recognition for Information Technology
Equipment Including Electrical Business
Equipment
10
Mechanical Dimensions
Notes:
1. Cage grounding springs permitted in this
area and may extend full length of
transceiver, 4 places. Grounding springs
may contribute a maximum force of 3.5 N
(Newtons) to the withdrawal force of the
transceiver from the cage.
2. A representative LC connector configuration
is illustrated. Indicated outline defines the
preferred maximum envelope outside of the
cage.
3. Design of actuation method and shape is
optional.
4. Color code: An exposed colored feature of
the transceiver (a feature or surface
extending outside the cage assembly) shall
be color coded as follows:
• Black or beige for multimode
• Blue for single mode
Figure 6. Drawing of SFP Transceiver
11
X
Y
34.5
10
3x
10x ∅1.05 ± 0.01
∅ 0.1 L X A S
16.25
MIN. PITCH
7.2
7.1
2.5
B
PCB
EDGE
∅ 0.85 ± 0.05
∅ 0.1 S X Y
A
1
2.5
1
3.68
5.68
20
PIN 1
8.58
2x 1.7
8.48
11.08
16.25
REF. 14.25
9.6
4.8
11
10
11.93
SEE DETAIL 1
2.0
11x
11x 2.0
9x 0.95 ± 0.05
∅ 0.1 L X A S
5
26.8
2
10
3x
3
41.3
42.3
5
3.2
0.9
LEGEND
20
PIN 1
10.53
10.93
9.6
20x 0.5 ± 0.03
0.06 L A S B S
11.93
0.8
TYP.
1.
PADS AND VIAS ARE CHASSIS GROUND
2.
THROUGH HOLES, PLATING OPTIONAL
3.
HATCHED AREA DENOTES COMPONENT
AND TRACE KEEPOUT (EXCEPT
CHASSIS GROUND)
4.
AREA DENOTES COMPONENT
KEEPOUT (TRACES ALLOWED)
11
10
4
2x 1.55 ± 0.05
∅ 0.1 L A S B S
2 ± 0.005 TYP.
0.06 L A S B S
DETAIL 1
Figure 7. SFP host board mechnical layout
12
DIMENSIONS ARE IN MILLIMETERS
Table 4. Dimension Table for Drawing of SFP Transceiver
Tolerance
(mm)
Comments
13.7
± 0.1
Transceiver width, nosepiece or front that extends inside cage
8.6
± 0.1
Transceiver height, front, that extends inside cage
Designator
Dimension (mm)
A
B
C
8.5
± 0.1
Transceiver height, rear
D
13.4
± 0.1
Transceiver width, rear
E
1.0
Maximum
Extension of front sides outside of cage, see Note 2 Figure 2B
F
2.3
Reference
Location of cage grounding springs from centerline, top
G
4.2
Reference
Location of side cage grounding springs from top
H
2.0
Maximum
Width of cage grounding springs
J
28.5
Minimum
Location of transition between nose piece and rear of transceiver
K
56.5
Reference
Transceiver overall length
L
1.1 x 45°
Minimum
Chamfer on bottom of housing
M
2.0
± 0.25
Height of rear shoulder from transceiver printed circuit board
N
2.25
± 0.1
Location of printed circuit board to bottom of transceiver
P
1.0
± 0.1
Thickness of printed circuit board
Q
9.2
± 0.1
Width of printed circuit board
R
0.7
Maximum
Width of skirt in rear of transceiver
S
45.0
± 0.2
Length from latch shoulder to rear of transceiver
T
34.6
± 0.3
Length from latch shoulder to bottom opening of transceiver
U
41.8
± 0.15
Length from latch shoulder to end of printed circuit board
V
2.5
± 0.05
W
1.7
± 0.1
Length from latch shoulder to shoulder of transceiver outside of cage (location of
positive stop)
Clearance for actuator tines
X
9.0
Reference
Transceiver length extending outside of cage, see Note 2 Figure 2B
Y
2.0
Maximum
Z
0.45
± 0.05
Maximum length of top and bottom of transceiver extending outside of cage, see
Note 2 Figure 2B
Height of latch boss
AA
8.6
Reference
Transceiver height, front, that extends inside cage
AB
2.6
Maximum
Length of latch boss (design optional)
AC
45°
± 3°
Entry angle of actuator
AD
0.3
Maximum
Radius on entry angle of actuator
AE
6.3
Reference
Width of cavity that contains the actuator
AF
2.6
± 0.05
Width of latch boss (design optional)
AG
0.40
Minimum
Maximum radius of front of latch boss, 2 places (design optional)
13
Application Information
The Applications Engineering
Group at Agilent is available to
assist you with technical
understanding and design tradeoffs associated with these
transceivers. You can contact
them through your Agilent sales
representative.
The following information is
provided to answer some of the
most common questions about
the use of parts.
Optical Power Budget
The worst-case Optical Power
Budget (OPB) in dB for a fiberoptic link is determined by the
difference between the
minimum transmitter output
optical power (dBm avg) and the
lowest receiver sensitivity (dBm
avg). This OPB provides the
necessary optical signal range to
establish a working fiber-optic
link. The OPB is allocated for
the fiber-optic cable length and
the corresponding link penalties.
For proper link performance, all
penalties that affect the link
performance must be accounted
for within the link optical power
budget.
Process Plug
This transceiver is supplied with
a process plug for protection of
the optical port within the LC
connector receptacle. This
process plug prevents
contamination during wave
solder and aqueous rinse as well
as during handling, shipping and
storage. It is made of a hightemperature, molded sealing
material that can withstand
+85 °C and a rinse pressure of
110 lbs per square inch.
14
Recommended Cleaning/Degreasing
Chemicals
Alcohols: methyl, isopropyl,
isobutyl.
Aliphatics: hexane, heptane.
Other: naphtha.
Do not use partially halogenated
hydrocarbons such as 1, 1.1
trichloroethane, ketones such as
MEK, acetone, chloroform, ethyl
acetate, methylene dichloride,
phenol, methylene chloride, or
N-methylpyrolldone. Also,
Agilent does not recommend the
use of cleaners that use
halogenated hydrocarbons
because of their potential
environmental harm.
LC SFP Cleaning Recommendations
In the event of contamination of
the optical ports, the
recommended cleaning process
is the use of forced nitrogen. If
contamination is thought to have
remained, the optical ports can
be cleaned using a NTT
international Cletop stick type
(diam. 1.25 mm) and HFE7100
cleaning fluid.
Evaluation Kit
Details to be published shortly.
Reference Designs
Details to be published shortly.
Caution
There are no user serviceable
parts nor any maintenance
required for the HFCT-5760xx.
Tampering with or modifying the
performance of the HFCT5760xx will result in voided
product warranty. It may also
result in improper operation of
the 6HFCT-5760xx circuitry, and
possible overstress of the laser
source. Device degradation or
product failure may result.
Connection of the HFCT-5760xx
to a non-approved optical
source, operating above the
recommended absolute
maximum conditions or
operating the HFCT-5760xx in a
manner inconsistent with its
design and function may result
in hazardous radiation exposure
and may be considered an act of
modifying or manufacturing a
laser product. The person(s)
performing such an act are
required by law to recertify and
reidentify the laser product
under the provisions of U.S. 21
CFR (Subchapter J) and the
TUV.
15
Ordering Information
1300 nm FP Laser (Operating Case Temperature -10 to +85 °C)
HFCT-5760TL IR standard de-latch
HFCT-5760TP IR bail de-latch
HFCT-5760NL LR standard de-latch
HFCT-5760NP LR bail de-latch
Class 1 Laser Product: This product conforms to the
applicable requirements of 21 CFR 1040 at the date of
manufacture
Date of Manufacture:
Agilent Technologies Inc., No 1 Yishun Ave 7, Singapore
Handling Precautions
1.
The HFCT-5760xx can be damaged by current surges or overvoltage.
Power supply transient precautions should be taken.
2.
Normal handling precautions for electrostatic sensitive devices
should be taken.
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Data subject to change.
Copyright © 2002 Agilent Technologies, Inc.
December 17, 2002
5988-8559EN