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TRPEG1HYXI000E2 Datasheet(PDF) 4 Page - OPLINK Communications Inc. |
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TRPEG1HYXI000E2 Datasheet(HTML) 4 Page - OPLINK Communications Inc. |
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4 / 5 page  Oplink Communications, Inc. 18 19 3 TX DATA IN+ 15 1 H coi lorf erri t ebead m (<0. 2 seri esresi st ance) W 0. 1 TX DATA IN- TX Di sabl e 16 0. 1 + 10 50 l i ne W 1,9, 10, 11, 14, 17, 20 0. 1 + 10 to 50 load W Vcc 3. 3V RX DATA OUT+ 13 12 RX DATA OUT- 5 4 6 MOD_DEF(0) MOD_DEF(1) MOD_DEF(2) LOS to 50 load W 8 R 2 TX Faul t R R R Vcc 3. 3V 50 l i ne W 50 l i ne W 50 l i ne W R 21737-0968,Rev.A 2008-09-09 Example ofSFP host board schematic TR PEG1 -E2 Single Mode A pplication N otes Laser Safety TRPEG 1-E2 Electrical Interface: All signal interfaces are compliant w ith the SFP M SA speci cation. The high speed D ATA interface is di erential AC-coupled internally w ith 0.1µF and can be directly connected to a 3.3V SERD ES IC. All low speed control and sense output signals are open collector TTL compatible and should be pulled up w ith a 4.7 - 10k resistor on the host board. Loss of Signal (LOS): The Loss ofSignal circuit monitors the level ofthe incoming optical signal and generates a logic H IG H w hen an insufficient photocurrent is produced. TX Fault: The output indicates LOW w hen the transmitter is operating normally,and H IG H w ith a laser fault including laser end-of-life. TX Fault is an open collector/drain output and should be pulled up w ith a 4.7 - 10k resistor on the host board. TX Fault is non-latching (automatically deasserts w hen fault goes aw ay). TX Disable: W hen the TX D isable pin is at logic H IG H ,the transmitter optical output is disabled (less than -45dBm). Serial Identification and Monitoring:The module definition of SFP is indicated by the three module definition pins, M OD _D EF(0),M OD _D EF(1)and M OD _D EF(2). U pon pow er up,M OD _D EF(1:2) appear as N C (no connection),and M OD _D EF(0)is TTL LOW . W hen the host system detects this condition,it activates the serial protocol (standard tw o-w ire I2C serial interface)and generates the serial clock signal (SCL). The positive edge clocks data into the EEPROM segments of the SFP that are not w rite protected,and the negative edge clocks data from the SFP. The serial data signal (SD A) is for serial data transfer. The host uses SD A in conjunction w ith SCL to mark the start and end ofserial protocol activation. The supported monitoring functions are temperature,voltage,bias current,transmitter pow er,average receiver signal,all alarms and w arnings,and softw are monitoring ofTX Fault/LOS. The device is internally calibrated. The data transfer protocol and the details ofthe mandatory and vendor specific data structures are defined in the SFP M SA, and SFF-8472,Rev. 9.4. Power Supply and Grounding:The pow er supply line should be w ell-filtered. All 0.1 F pow er supply bypass capacitors should be as close to the transceiver module as possible. 4 R:4.7 to 10k Laser Safety:All transceivers are Class I Laser products per FD A/ CD RH and IEC-60825 standards. They must be operated under speci ed operating conditions. Oplink Communications, Inc. D ATE OF M AN U FACTU RE: This product complies w ith 21 CFR 1040.10 and 1040.11 Meets Class I Laser Safety Requirements |
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