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Agilent HFCT-5760TL/TP/NL/NP/ATL/ ATP/ANL/ANP Single Mode OC-3/ STM-1 Small Form Factor Pluggable Transceivers Part of the Agilent METRAK family
Data Sheet
Description The HFCT-5760xxx 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. 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
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 ranges: -40 to +85 C (ATL/ATL/ANL/ANP) -10 to +85 C (TL/TP/NL/NP) * 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
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Functional Description Receiver Section Design The receiver section for the HFCT-5760xxx 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. 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). Transmitter Section Design A schematic diagram for the transceiver is shown in Figure 1. The HFCT-5760xxx 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. Tx Fault The HFCT-5760xxx 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 FILTER AMPLIFIER OUTPUT BUFFER DATA OUT ELECTRICAL INTERFACE DATA OUT
Tx Disable The HFCT-5760xxx 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.
LOS PHOTODIODE LASER BIAS CONTROL MODULATOR & SAFETY CIRCUITRY
DATA IN DATA IN TX_DISABLE TX_FAULT
FP LASER
LASER DRIVER
MOD-DEF (2) EEPROM MOD-DEF (1) MOD-DEF (0)
Figure 1. Transceiver functional diagram
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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-5760xxx uses a reliable 1300 nm FP laser source and requires a 3.3 V dc power supply for optimal design.
3.3 V 10 F 0.1 F
Module Diagrams Figure 1 illustrates the major functional components of the HFCT-5760xxx. 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.
1 H 1 H
3.3 V VCC,T 0.1 F 4.7 K to 10 K Tx Dis Tx_FAULT SO+ SOn 50 W 50 W Tx_DISABLE Tx_FAULT TD+ TDn TX GND 0.01 F VCC,R 0.01 F 100 0.01 F AMPLIFICATION & QUANTIZATION 0.01 F 100 LASER DRIVER & SAFETY CIRCUITRY 4.7 K to 10 K
HFCT-5760xx
Installation The HFCT-5760xxx 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.
PROTOCOL IC
SI+ SIn Rx_LOS
4.7 K to 10 K 10 F 50 W 50 W
20 19 18 17 16 15 14
VEET TDTD+ VEET VCCT VCCR VEER RD+ RDVEER TOP OF BOARD
1 2 3 4 5 6 7 8 9 10
VEET Tx FAULT TxDISABLE MOD-DEF(2) MOD-DEF(1) MOD-DEF(0) RATE SELECT LOS VEER VEER
0.1 F RD+ RDn Rx_LOS RX GND
MOD_DEF2 PC MASTER 4.7 K to 10 K 4.7 K to 10 K MOD_DEF1 MOD_DEF0 4.7 K to 10 K EEPROM
13 12 11
BOTTOM OF BOARD (AS VIEWED THROUGH TOP OF BOARD)
3.3 V
Figure 4. Connection diagram of module printed circuit board
Figure 2. Recommended application configuration
1 H VCCT 0.1 F
1 H VCCR 0.1 F 10 F 0.1 F 10 F 3.3 V
SFP MODULE
HOST BOARD
NOTE: INDUCTORS MUST HAVE LESS THAN 1 SERIES RESISTANCE PER MSA.
Figure 3. MSA required power supply filter
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Table 1. Pin-out Table The pin arrangement and definition of this product meets SFP MSA. Table 1 lists the pin description.
Pin
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Name
VeeT TX Fault TX Disable MOD-DEF2 MOD-DEF1 MOD-DEF0 Rate Select LOS VeeR VeeR VeeR RDRD+ VeeR VccR VccT VeeT TD+ TDVeeT
Function/Description
Transmitter Ground Transmitter Fault Indication Transmitter Disable - Module disables on high or open Module Definition 2 - Two wire serial ID interface Module Definition 1 - Two wire serial ID interface Module Definition 0 - Grounded in module Not Connected Loss of Signal Receiver Ground Receiver Ground Receiver Ground Inverse Received Data Out Received Data Out Receiver Ground Receiver Power - 3.3 V 5% Transmitter Power - 3.3 V 5% Transmitter Ground Transmitter Data In Inverse Transmitter Data In Transmitter Ground
MSA Notes
Note 1 Note 2 Note 3 Note 3 Note 3
Note 4 Note 5 Note 5 Note 5 Note 6 Note 6 Note 5 Note 7 Note 7 Note 5 Note 8 Note 8 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).
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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
Addr
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
MSA compliant, example contents of the HFCT-5760TL/ TP serial ID memory are defined in Table 2.
ASCII Addr
96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
Hex
03 04 07 00 00 02 00 00 00 00 00 03 02 00 0F 96 00 00 00 00 41 47 49 4C 45 4E 54 20 20 20 20 20 20 20 20 20 00 00 30
ASCII
Addr
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
Hex
48 46 43 54 2D 35 37 36 30 54 20 20 20 20 20 20 20 20 20 20 00 00 00 99, Note 3 00 1A 00 00
ASCII
H F C T 5 7 6 0 T
Addr
68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
Hex
Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 00 00 00 Note 3
Hex
Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4
ASCII
A G I L E N T
60 61 62 63 64 65 66 67
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.
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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
Addr
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
MSA compliant, example contents of the HFCT-5760NL/ NP serial ID memory are defined in Table 3.
ASCII Addr
96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
Hex
03 04 07 00 00 04 00 00 00 00 00 03 02 00 28 FF 00 00 00 00 41 47 49 4C 45 4E 54 20 20 20 20 20 20 20 20 20 00 00 30 D3
ASCII
Addr
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
Hex
48 46 43 54 2D 35 37 36 30 4E 20 20 20 20 20 20 20 20 20 20 00 00 00 17, Note 3 00 1A 00 00
ASCII
H F C T 5 7 6 0 N
Addr
68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
Hex
Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 Note 1 20 20 20 20 20 20 20 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 Note 2 00 00 00 Note 3
Hex
Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4 Note 4
ASCII
A G I L E N T
60 61 62 63 64 65 66 67
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.
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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
Storage Temperature (non-operating) Relative Humidity Supply Voltage Input Voltage on any Pin Receiver Optical Input
Symbol
TS RH VCC VI PINABS
Minimum
-40 0 -0.5 -0.5
Maximum
+85 85 3.63 VCC 6
Unit
C % V V dBm
Notes
Recommended Multirate Operating Conditions
Typical operating conditions are those values for which functional performance and device reliability is implied.
Parameter
Case Operating Temperature HFCT-5760TL/TP HFCT-5760ATL/ATP HFCT-5760NL/NP HFCT-5760ANL/ANP Supply Voltage
Symbol
TA TA TA TA VCC
Minimum
-10 -40 -10 -40 3.1
Typical
Maximum
+85 +85 +85 +85 3.5
Unit
C C C C V
Notes
1
3.3
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) HFCT-5760TL/TP/NL/NP: TC = -10 C to +85 C HFCT-5760ATL/ATP/ANL/ANP: TC = -40 C to +85 C
Parameter
Module supply current Power Dissipation AC Electrical Characteristics Power Supply Noise Rejection 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)
Symbol
ICCT PDISS
Minimum
Typical
Maximum
250 875
Unit
mA mW
Notes
1
PSNR
100 30
mV mA
2 6
VOH VOL VIH VIL VI VO
2.0 0 2.0 0 250 160
3.5 0.8 3.5 0.8 1200 1000
V V V V mV mV
3
3
4 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.
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Transmitter Optical Characteristics for multirate operations at Fast Ethernet (125 Mbit/s) and OC-3 (155 Mbit/s) HFCT-5760TL/TP/NL/NP: TC = -10 C to +85 C HFCT-5760ATL/ATP/ANL/ANP: TC = -40 C to +85 C
Parameter
Optical Output Power HFCT-5760TL/P HFCT-5760NL/P Center Wavelength Spectral Width - RMS HFCT-5760TL/P HFCT-5760NL/P Optical Rise Time Optical Fall Time Tx disable OFF power Extinction Ratio HFCT-5760TL/P HFCT-5760NL/P Eye Mask Margin Jitter Generation
Symbol
POUT POUT lC s s tr tf POFF Er Er EMM pk to pk RMS
Minimum
-15 -5 1270
Typical*
Maximum
-8 0 1360 7.7 3 2.5 2.5 -45
Unit
dBm dBm nm nm nm ns ns dBm dB dB %
Notes
1 1
2 2 3 3
8.2 10 30 70 7
4 5 5
mUI mUI
*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) HFCT-5760TL/TP/NL/NP: TC = -10 C to +85 C HFCT-5760ATL/ATP/ANL/ANP: TC = -40 C to +85 C
Parameter
HFCT-5760TL/P Receiver Sensitivity HFCT-5760NL/P Receiver Overload Input Operating Wavelength HFCT-5760TL/P LOS Deassert HFCT-5760NL/P LOS Assert LOS Hysteresis
Symbol Minimum Typical
PINMIN PINMIN PINMAX l PLOSD PLOSD PLOSA PH -45 0.5 0 1261
Maximum Unit Notes
-31 -34 dBm dBm dBm 1360 -31.5 -34.5 nm dBm dBm dBm 4 dB 1 1
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.
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Transceiver Timing Characteristics
Parameter
Tx Disable Assert Time Tx Disable Negate Time Time to initialize, including reset of Tx-Fault Tx Fault Assert Time Tx Disable to Reset LOS Assert Time LOS Deassert Time Serial ID Clock Rate
Symbol
t_off t_on t_init t_fault t_reset t_loss_on t_loss_off f_serial_ clock
Minimum
Typical
Maximum
10 1 300 100
Unit
s ms ms s s
Notes
1 2 3 4 5 6 7
10 2.3 100 100 100
s s kHz
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
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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-5760xxx 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. Table 3. Regulatory Compliance
The ESD performance of the HFCT-5760xxx exceeds typical industry standards. Immunity Equipment hosting the HFCT5760xxx 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-5760xxx 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.
Feature
Electrostatic Discharge (ESD) to the Electrical Pins Electrostatic Discharge (ESD) to the Duplex LC Receptacle
Test Method
MIL-STD-883C Method 3015 Bellcore GR1089-CORE
Performance
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. Eye Safety US FDA CDRH AEL Class 1 HFCT-5760NL CDRH certification # 9521220-46 EN (IEC) 60825-1, 2, HFCT-5760NP CDRH certification # 9521220-78 EN60950 Class 1 HFCT-5760TL CDRH certification # 9521220-47 HFCT-5760TP CDRH certification # 9521220-80 HFCT-5760ANL CDRH certification # TBD HFCT-5760ANP CDRH certification # TBD HFCT-5760ATL/ATP CDRH certification # 9521220-96 HFCT-5760NL TUV file # 933/510206/03 HFCT-5760NP TUV file # TBD HFCT-5760TL TUV file # 933/510116/02 HFCT-5760TP TUV file # TBD HFCT-5760ANL TUV file # TBD HFCT-5760ANP TUV file # TBD HFCT-5760ATL/ATP TUV file # 933/510305/03 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
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Mechanical Dimensions
Figure 6. Drawing of SFP Transceiver
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
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Figure 7. SFP host board mechnical layout
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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. It is made of a high temperature, molded sealing material that can withstand +85 C.
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 An evaluation board (HFBR0571) is available via your Agilent Representative. Full details can be found in application note 1237. Reference Designs Details to be published shortly.
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Caution There are no user serviceable parts nor any maintenance required for the HFCT-5760xxx. Tampering with or modifying the performance of the HFCT5760xxx will result in voided product warranty. It may also result in improper operation of the HFCT-5760xxx circuitry, and possible overstress of the laser source. Device degradation or product failure may result. Connection of the HFCT5760xxx to a non-approved optical source, operating above the recommended absolute maximum conditions or operating the HFCT-5760xxx 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.
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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 HFCT-5760NP LR, standard de-latch LR, bail de-latch
1300 nm FP Laser (Operating Case Temperature -40 to +85 C) HFCT-5760ATL IR, standard de-latch HFCT-5760ATP IR, bail de-latch HFCT-5760ANL HFCT-5760ANP LR, standard de-latch 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-5760xxx 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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For product information and a complete list of distributors, please go to our web site. For technical assistance call: Americas/Canada: +1 (800) 235-0312 or (916) 788-6763 Europe: +49 (0) 6441 92460 China: 10800 650 0017 Hong Kong: (+65) 6756 2394 India, Australia, New Zealand: (+65) 6755 1939 Japan: (+81 3) 3335-8152(Domestic/International), or 0120-61-1280(Domestic Only) Korea: (+65) 6755 1989 Singapore, Malaysia, Vietnam, Thailand, Philippines, Indonesia: (+65) 6755 2044 Taiwan: (+65) 6755 1843 Data subject to change. Copyright (c) 2003 Agilent Technologies, Inc. Obsoletes: 5988-8559EN August 11, 2003 5988-9312EN
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