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TRPV3GKERC00070G Datasheet(PDF) 4 Page - OPLINK Communications Inc. |
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TRPV3GKERC00070G Datasheet(HTML) 4 Page - OPLINK Communications Inc. |
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4 / 6 page  TRPV3GKERx000xxG Oplink Communications, Inc S0313. Rev.01. (web) 2012-05-11 4 Oplink Communications, Inc. DATE OF MANUFACTURE: This product complies with 21 CFR 1040.10 and 1040.11 Meets Class I Laser Safety Requirements Laser Safety: All transceivers are Class I Laser products per FDA/CDRH and IEC-60825 standards. They must be operated under specified operating conditions. Electrical Pad Layout Host Board Connector Pad Layout Toward Bezel Toward ASIC 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 TX Disable TD- (TX DATA IN-) TD+ (TX DATA IN+) VeeTX VccTX VccRX VeeRX RD+ (RX DATA OUT+) RD- (RX DATA OUT-) VeeRX Top of Board 1 2 3 4 5 6 7 8 9 10 VeeTX TX Fault NO CONNECTION VeeTX I2C CLK I2C DATA VeeRX RX LOS NO CONNECTION NO CONNECTION Bottom of Board (as viewed thru top of board) Application Notes Electrical Interface: Signal interfaces are compatible with the SFP MSA specification. The high speed DATA interface is differential AC-coupled internally and can be directly connected to a 3.3V SERDES IC. All low speed control and sense output signals are open collector TTL compatible and should be pulled up with a 4.7 - 10kΩ resistor on the host board. Loss of Signal (LOS): The Loss of Signal circuit monitors the level of the incoming optical signal and generates logic HIGH when an insufficient photocurrent is produced. Serial Identification and Monitoring: The module definition of SFP is indicated by the MOD_ABS pin and the 2-wrie serial interface. Upon power up, the 2-wrie interface appears as NC (no connection), and MOD_ABS is TTL LOW. When the host system detects this condition, it activates the serial protocol (standard two-wire I2C serial interface) and generates the serial clock signal (SCL). The positive edge clocks data into the EEPROM segments of the device that are not write protected, and the negative edge clocks data from the device. The serial data signal (SDA) is for serial data transfer. The host uses SDA in conjunction with SCL to mark the start and end of serial protocol activation. The supported monitoring functions are temperature, voltage, average receiver signal, all alarms and warnings, and software monitoring of LOS. The device is internally calibrated. The data transfer protocol and the details of the mandatory and vendor specific data structures are defined in the SFP MSA, and SFF-8472, Rev. 9.4. Power Supply and Grounding: The power supply line should be well-filtered. All power supply bypass capacitors should be as close to the transceiver module as possible. |
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