OC-3/STM-1 SFP Transceivers with Digital Diagnostics TRXA03 Single Mode Product Description The TRXA03 SFP series of fiber optic transceivers with integrated digital diagnostics monitoring functionality provide a quick and reliable interface for short reach (SR), intermediate reach (IR) and long reach (LR) applications. The diagnostic functions, alarm and warning features as described in the Multi-Source Agreement (MSA) document, SFF-8472 (Rev. 9.4), are provided via an I2C serial interface. Available products under this series are compliant with applicable SONET/SDH standard for OC-3/STM-1. All modules satisfy Class I Laser Safety requirements in accordance with the U.S. FDA/CDRH and international IEC-60825 standards. The TRXA03 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 colored bail-type latches, which offer an easy and convenient way to release the modules. The latch is compliant with the SFP MSA The transmitter design incorporates a highly reliable 1310nm or 1550nm InGaAsP laser and a 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 output interfaces are also provided. The transceivers operate from a single +3.3V power supply over an operating case temperature range of -5°C to +70°C or -40°C to +85°C. The housing is made of plastic and metal for EMI immunity. Features Lead Free Design & Fully RoHS Compliant Compatible with SFP MSA Compliant with SONET/SDH OC-3/STM-1 (155Mb/s) SONET/SDH Reaches (SR-1, IR-1, LR-1 & LR-2) Digital Diagnostics through Serial Interface Internal Calibration for Digital Diagnostics Eye Safe (Class I Laser Safety) Duplex LC Optical Interface Excellent EMI & ESD Protection Hot-pluggable TX Fault & Loss of Signal Outputs TX Disable Input Single +3.3V Power Supply Absolute Maximum Ratings Parameter Storage Temperature Operating Case Temperature1 “B” Option “A” Option Symbol Minimum Maximum Units TST - 40 + 85 °C TOP -5 + 70 - 40 + 85 +5.0 V °C Supply Voltage VCC 0 Input Voltage VIN 0 VCC V - - NA - Lead Terminal Finish, Reflow Profile Limits and MSL 1 Measured on top side of SFP module at the front center vent hole of the cage. An Oplink Company RevB-NP.2009.01.12 TRXA03 Single Mode Transmitter Performance Characteristics (Over Operating Case Temperature. VCC = 3.13 to 3.47V) All parameters guaranteed only at typical data rate Parameter Symbol Minimum Typical Maximum Units B - 156 - Mb/s - 15.0 - 11.0 - 8.0 - 5.0 - 3.0 0 Phi /Plo 10 - - 1261 1310 1360 λC 1270 1310 1360 1480 1550 1580 Operating Data Rate 1 Average Optical Output Power (coupled into single mode fiber), 50% duty cycle IR-1 PO LR-1 & LR-2 Extinction Ratio IR-1 LR-1 Center Wavelength LR-2 dBm dB nm IR-1 & LR-1 ΔλRMS - - 3 nm Spectral Width (-20dB) LR-2 Δλ20 - - 1 nm Side Mode Suppression Ratio LR-2 SMSR 30 - - dB Spectral Width (RMS) Optical Output Eye 1 Compliant with Telcordia GR-253-CORE and ITU-T Recommendation G.957 Data rate ranges from 50Mb/s to 266Mb/s. However, some degradation may be incurred in overall performance (Over Operating Case Temperature. VCC = 3.13 to 3.47V) Receiver Performance Characteristics All parameters guaranteed only at typical data rate Parameter Operating Data Rate 1 Receiver Sensitivity (10 BER) -10 2 Maximum Input Optical Power (10-10 BER) 2 Symbol Minimum Typical Maximum Units B - 156 - Gb/s Pmin - 34.0 - 36.0 - dBm Pmin - 7.0 0 - dBm Increasing Light Input Plos+ - - - 23.0 Decreasing Light Input Plos- - 45.0 - - Increasing Light Input t_loss_off - - 100 Decreasing Light Input t_loss_on 2.3 - 100 LOS Hysteresis - 0.5 1.5 - dB Wavelength of Operation λ 1100 - 1600 nm Receiver Reflectance (LR-2 only) - - - - 25.0 dB LOS Thresholds LOS Timing Delay 1 2 dBm μs Data rate ranges from 50Mb/s to 266Mb/s. However, some degradation may be incurred in overall performance. Specified in average optical input power and measured with 223-1 PRBS at 156Mb/s and 1310nm for IR-1 and LR-1, 1550nm for LR-2. Oplink Communications, Inc. 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 2 RevB-NP.2009.01.12 TRXA03 Single Mode 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) Symbol Minimum Typical Maximum Units VPP-DIF 0.25 - 2.4 V VIH 2.0 - VCC V 2 2 VIL 0 - 0.8 V Output HIGH Voltage (TX Fault) 3 VOH 2.0 - VCC + 0.3 V Output LOW Voltage (TX Fault) VOL 0 - 0.8 V Input LOW Voltage (TX Disable) 1 2 3 3 Differential peak-to-peak voltage. There is an internal 4.7 to 10kΩ pull-up resistor to VccT. Open collector compatible, 4.7 to 10kΩ pull-up resistor to Vcc (Host Supply Voltage). (Over Operating Case Temperature. VCC = 3.13 to 3.47V)) Receiver Electrical Interface Parameter Symbol Minimum Typical Maximum Units VPP-DIF 0.60 - 2.0 V Output HIGH Voltage (LOS) 2 VOH 2.0 - VCC + 0.3 V Output LOW Voltage (LOS)) 2 VOL 0 - 0.5 V Output Voltage Swing (RD+ & RD-) 1 2 1 Differential peak-to-peak voltage across external 100Ω load. Open collector compatible, 4.7 to 10kΩ pull-up resistor to Vcc (Host Supply Voltage). Electrical Power Supply Characteristics Parameter Supply Voltage (Over Operating Case Temperature. VCC = 3.13 to 3.47V)) Symbol Minimum Typical Maximum Units VCC 3.13 3.3 3.47 V - 170 245 - 185 300 IR-1, LR-1 Supply Current ICC LR-2 mA Module Definition MOD_DEF(0) pin 6 MOD_DEF(1) pin 5 MOD_DEF(2) pin 4 Interpretation by Host TTL LOW SCL SDA Serial module definition protocol Electrical Pad Layout Host Board Connector Pad Layout 20 TX GND 1 TX GND 19 TD- (TX DATA IN-) 2 TX Fault 1 18 TD+ (TX DATA IN+) 3 TX Disable 2 17 TX GND 4 MOD_DEF(2) 3 16 VccTX 5 MOD_DEF(1) 4 15 VccRX 6 MOD_DEF(0) 14 RX GND 7 NO CONNECTION 6 13 RD+ (RX DATA OUT+) 8 LOS 7 12 RD- (RX DATA OUT-) 9 RX GND 8 11 RX GND 10 RX GND 9 Top of Board Oplink Communications, Inc. Toward Bezel 5 10 Bottom of Board (as viewed thru top of board) 3 20 19 18 17 16 15 Toward ASIC 14 13 12 11 RevB-NP.2009.01.12 TRXA03 Single Mode Example of SFP host board schematic TRXA03 R: 4.7 to 10kΩ 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 - 10kΩ resistor on the host board. 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. 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. The serial data signal (SDA) is for serial data transfer. The host uses SDA in conjunction with SCL to mark the startand end of serial protocol activation. The supported monitoring functions are internal temperature, supply voltage, bias current, transmitter power, average receiver signal, all alarms and warnings and software monitoring of TX Fault/LOS. The device is internally calibrated. 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 - 10kΩ resistor on the host board. TX Fault in non-latching (automatically deasserts when fault goes away). 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 TX_Disable: When the TX Disable pin is at logic HIGH, the transmitter optical output is disabled (less than -45dBm). Power supply and grounding: The power supply line should be well-filtered. All 0.1μF power supply bypass capacitors should be as close to the transceiver module as possible. 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). Oplink Communications, Inc. 4 RevB-NP.2009.01.12 TRXA03 Single Mode 46335 Landing Pkwy Fremont, CA 94538 Tel: (510) 933-7200 Fax: (510) 933-7300 Email: [email protected] • www.oplink.com Package Outline Dimensions in inches [mm] Default tolerances: .xxx = + .005”, .xx = + .01” Ordering Information Oplink can provide a remarkable range of customized optical solutions. For detail, please contact Oplink’s Sales and Marketing for your requirements and ordering information (510) 933-7200 or [email protected]. 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. RevB-NP.2009.01.12 © 2006, Oplink Communications, Inc. 5