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| F ast Ethernet 100BASE-LX10 SFP Single Mode Transceivers with Digital Diagnostics TRPAFELX Product Description The TRPAFELX SFP series of fiber optic transceivers provide a quick and reliable interface for 100BASE-LX10 Fast Ethernet single mode applications. The transceivers are compliant with IEEE 802.3ah/D3.3 standard. The diagnostic functions, alarm and warning features as described in the MultiSource Agreement (MSA) document, SFF-8472 (Rev. 9.4), are provided via an I2C serial interface. All transceiver modules satisfy Class I Laser Safety requirements in accordance with the U.S. FDA/CDRH and international IEC-60825 standards. The transceivers connect to standard 20-pad SFP connectors for hot plug capability. This allows the system designer to make configuration changes or maintenance by simply plugging in different types of transceivers without removing the power supply from the host system. The transceivers have bail-type latches, which offer an easy and convenient way to release the modules. The latch is compliant with the SFP MSA. The transmitter incorporates a highly reliable 1310nm InGaAsP laser and an integrated driver circuit. The receiver features a transimpedance amplifier IC optimized for high sensitivity and wide dynamic range. The transmitter and receiver DATA interfaces are AC-coupled internally. LVTTL Transmitter Disable control input and Loss of Signal (LOS) output interfaces are also provided. The transceivers operate from a single +3.3V power supply over three operating case temperature ranges of -5C to +70C ("B" option), -5C to +85C ("E" option), or -40C to +85C ("A" option). The housing is made of plastic and metal for EMI immunity. Features Compliant with IEEE 802.3ah/D3.3 (100BASE-LX10) Compatible with SFP MSA Digital Diagnostics through Serial Interface Internal Calibration for Digital Diagnostics 1310nm Fabry Perot Laser Transmitter Distances up to 10km Eye Safe (Class I Laser Safety) Duplex LC Optical Interface Hot-pluggable TX Fault & Loss of Signal Outputs TX Disable Input Single +3.3V Power Supply Absolute Maximum Ratings Parameter Storage Temperature Operating Case Temperature 1 Supply Voltage Input Voltage 1 Symbol Tst "B" option "E" option "A" option Vcc Vin Top Minimum - 40 -5 -5 - 40 0 0 Maximum + 85 + 70 + 85 + 85 + 4.5 Vcc Units C C V V Measured on top side of SFP module at the front center vent hole of the cage. An Oplink Company RevC-P. 2009.04.01 TRPAFELX Transmitter Performance Characteristics (Over Operating Case Temperature, VCC = 3.13 to 3.47V) All parameters guaranteed only at typical data rate Parameter Operating Data Rate 1 Optical Output Power Center Wavelength Spectral Width (RMS) Optical Modulation Amplitude Extinction Ratio Optical Output Power of OFF Transmitter Optical Return Loss Tolerance Transmitter Dispersion Penalty Optical Output Eye 1 2 Symbol B PO C RMS OMA Phi /Plo POFF ORLT - Minimum - 15.0 1260 - 14.8 5 - Typical 125 - Maximum - 8.0 1360 7.7 - 45 12 4.5 Units Mb/s dBm nm nm dBm dB dBm dB dB 2 Compliant with IEEE 802.3ah/D3.3 Data rate ranges from 50Mb/s to 200Mb/s. However, some degradation may be incurred in overall performance. Measured average power coupled into single mode fiber. The minimum power specified is at Beginning-of-Life. Receiver Performance Characteristics (Over Operating Case Temperature, VCC = 3.13 to 3.47V) All parameters guaranteed only at typical data rate Parameter Operating Data Rate 1 Receiver Sensitivity (10 BER) -12 2 Symbol B Pmin POMA, min Pmax Plos+ Plos - Minimum - 25.0 -24.8 - 8.0 - 45.0 0.5 1100 - Typical 125 - 34.0 - 5.0 - Maximum - 25.0 1600 - 12 Units Mb/s dBm dBm dBm dBm dB nm db Receiver Sensitivity as OMA Maximum Input Optical Power (10-12 BER) 2 LOS Thresholds LOS Hysteresis 3 Wavelength of Operation Receiver Reflectance 1 2 Increasing Light Input Decreasing Light Input Data rate ranges from 50Mb/s to 200Mb/s. However, some degradation may be incurred in overall performance. Specified in average optical input power and when measured at 1310nm wavelength and 125Mb/s with optical frame based on test pattern specified in IEEE 802.3ah. The optical source Extinction Ratio is set at optimum value duing the sensitivity test. 3 When measured at 1310nm wavelength and 125Mb/s with 27-1 PRBS. Laser Safety: All transceivers are Class I Laser products per FDA/CDRH and IEC-60825 standards. They must be operated under specified operating conditions. Oplink Communications, Inc. DATE OF MANUFACTURE: This product complies with 21 CFR 1040.10 and 1040.11 Meets Class I Laser Safety Requirements Oplink Communications, Inc. 2 RRevC-P. 2009.04.01 TRPAFELX Transmitter Electrical Interface (Over Operating Case Temperature, VCC = 3.13 to 3.47V) Parameter Input Voltage Swing (TD+ & TD-) 1 Input HIGH Voltage (TX Disable) 2 Input LOW Voltage (TX Disable) 2 3 Symbol VPP-DIF VIH VIL VOH VOL Minimum 0.25 2.0 0 2.0 0 Typical - Maximum 2.4 VCC 0.8 VCC + 0.3 0.8 Units V V V V V Output HIGH Voltage (TX_FAULT) 1 2 Output LOW Voltage (TX_FAULT) 3 Differential peak-to-peak voltage. There is an internal 4.7 to 10k pull-up resistor to VccT. 3 Open collector compatible, 4.7 to 10k pull-up resistor to Vcc (Host Supply Voltage). Receiver Electrical Interface (Over Operating Case Temperature, VCC = 3.13 to 3.47V) Parameter Output Voltage Swing (RD+ & RD-) 1 Output HIGH Voltage (LOS) Output LOW Voltage (LOS) 1 Symbol VPP-DIF VOH VOL Minimum 0.6 2.0 0 Typical - Maximum 2.0 VCC + 0.3 0.5 Units V V V 2 2 Differential peak-to-peak voltage across external 100 load. 2 Open collector compatible, 4.7 to 10k pull-up resistor to Vcc (Host Supply Voltage). Electrical Power Supply Characteristics (Over Operating Case Temperature, VCC = 3.13 to 3.47V) Parameter Supply Voltage Supply Current Symbol VCC ICC Minimum 3.13 Typical 3.3 175 Maximum 3.47 245 Units V mA Module Definition MOD_DEF(0) pin 6 TTL LOW MOD_DEF(1) pin 5 SCL MOD_DEF(2) pin 4 SDA Interpretation by Host Serial module definition protocol Electrical Pad Layout 20 19 18 17 16 15 14 13 12 11 TX GND TD- (TX DATA IN-) TD+ (TX DATA IN+) TX GND VccTX VccRX RX GND RD+ (RX DATA OUT+) RD- (RX DATA OUT-) RX GND Host Board Connector Pad Layout 20 19 18 17 16 15 14 13 12 11 Toward ASIC 1 2 3 4 5 6 7 8 9 10 TX GND TX Fault TX Disable MOD_DEF(2) MOD_DEF(1) MOD_DEF(0) NO CONNECTION LOS RX GND RX GND 1 2 3 Toward Bezel 4 5 6 7 8 9 10 Top of Board Bottom of Board (as viewed thru top of board) Oplink Communications, Inc. 3 RevC-P. 2009.04.01 TRPAFELX Example of SFP host board schematic Vcc 3.3V 1H coil or ferrite bead (<0.2 series resistance) Vcc 3.3V + 10 0.1 + 10 0.1 16 15 R 2 8 4 5 6 R R R TX Fault LOS MOD_DEF(2) MOD_DEF(1) MOD_DEF(0) (100 to ground internally) RX DATA OUT+ to 50 load RX DATA OUTto 50 load + 10 0.1 TRPAFELX 3 100 18 TX Disable 50 line TX DATA IN+ TX DATA IN50 line 50 line 13 50 line 19 12 1, 9, 10, 11, 14, 17, 20 R: 4.7 to 10k Application Notes Electrical Interface: All signal interfaces are compliant 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 - 10k resistor on the host board. Loss of Signal (LOS): The Loss of Signal circuit monitors the level of the incoming optical signal and generates a logic HIGH when an insufficient photocurrent is produced. TX Fault: The output indicates LOW when the transmitter is operating normally, and HIGH with a laser fault including laser end-of-life. TX Fault is an open collector/drain output and should be pulled up with a 4.7 - 10k resistor on the host board. TX Fault is non-latching (automatically deasserts when fault goes away). TX Disable: When the TX Disable pin is at logic HIGH, 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, MOD_ DEF(0), MOD_DEF(1) and MOD_DEF(2). Upon power up, MOD_ DEF(1:2) appear as NC (no connection), and MOD_DEF(0) 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 SFP that are not write protected, and the negative edge clocks data from the SFP. This device does not require clock stretching. 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, bias current, transmitter power, average receiver signal, all alarms and warnings, and software monitoring of TX Fault/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 0.1F power supply bypass capacitors should be as close to the transceiver module as possible. Oplink Communications, Inc. 4 RevC-P. 2009.04.01 TRPAFELX Package Outline 56.7 2.23 REF 0 1.27 -0.13 +.000 .050 -.005 0 0.98 -0.13 +.000 .038 -.005 1 .04 13.67 13.54 .54 .53 6.250.05 .246.002 FRONT EDGE OF TRANSCEIVER CAGE 47.3 1.861 8.51 .335 8.9 .350 46335 Landing Pkwy Fremont, CA 94538 Tel: (510) 933-7200 Fax: (510) 933-7300 Email: Sales@Oplink.com * www.oplink.com 13.90.2 .546.008 1.8 .07 41.80.15 1.646.006 450.20 1.771.008 Dimensions in inches [mm] Default tolerances: .xxx = .005", .xx = .01" Ordering Information Model Name TRPAFELXABSS TRPAFELXAESS TRPAFELXAASS Operating Case Temperature - 5C to +70C - 5C to +85C - 40C to +85C Latch Color Silver Silver Silver Nominal Wavelength 1310nm 1310nm 1310nm Oplink Communications, Inc. reserves the right to make changes in equipment design or specifications without notice. Information supplied by Oplink Communications, Inc. is believed to be accurate and reliable. However, no responsibility is assumed by Oplink Communications, Inc. for its use nor for any infringements of third parties, which may result from its use. No license is granted by implication or otherwise under any patent right of Oplink Communications, Inc. RevC-P. 2009.04.01 (c) 2008, Oplink Communications, Inc. 5 |
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