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OC-3 1510nm Optical Supervisory Channel SFP Transceiver
TRPA03E2ZBBS3
Product Description
The TRPA03E2ZBBS3 SFP fiber optic transceiver with integrated digital diagnostics monitoring functionality provides a quick and reliable interface for optical supervisory channel 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. The TRPA03E2ZBBS3 transceiver uses a 1511nm DFB laser and an APD receiver to provide an optical link power budget of 44dB. The transceiver satisfies Class I Laser Safety requirements in accordance with the U.S. FDA/CDRH and international IEC60825 standards. The transceiver connects to a standard 20-pad connector 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 transceiver has a blue bail-type latch, which offers an easy and convenient way to release the module. The latch is compliant with the SFP MSA. The transmitter and receiver DATA interfaces are AC coupled internally. LV-TTL Transmitter Disable control input and Loss of Signal output interfaces are also provided. The transceiver operates from a single +3.3V power supply over an operating case temperature range of -5C to +70C. The housing is made of metal for EMI immunity.
Features 1510nm DFB Transmitter and APD Receiver 44dB link budget Compatible with SFP MSA Designed for SONET OC-3 (156Mb/s) OSC Application 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
Absolute Maximum Ratings
Parameter Storage Temperature Operating Case Temperature1 Supply Voltage Maximum Input Optical Power Input Voltage
1
Symbol TST TOP VCC Pin, max VIN
Minimum - 40 -5 0 0
Maximum + 85 +70 + 5.0 + 3.0 VCC
Units C C V dBm V
Measured on top side of SFP module at the front center vent hole of the cage.
An Oplink Company
RevA-NP. 2009.01.12
TRPA03E2ZBBS3
Transmitter Performance Characteristics
All parameters guaranteed only at typical data rate Parameter Operating Data Rate 1 Average Optical Output Power (coupled into single mode fiber), 50% duty cycle Extinction Ratio Center Wavelength Spectral Width (-20dB) Side Mode Suppression Ratio Optical Output Eye
1
(Over Operating Case Temperature. VCC = 3.13 to 3.47V)
Symbol B PO Phi /Plo C 20 SMSR
Minimum + 1.0 10 1500 30
Typical 156 1511 -
Maximum + 5.0 1520 1.0 -
Units Mb/s dBm dB nm nm dB
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.
Receiver Performance Characteristics
All parameters guaranteed only at typical data rate Parameter Operating Data Rate
1 -10
(Over Operating Case Temperature. VCC = 3.13 to 3.47V)
Symbol B Pmin
-12
Minimum -43.0 -7.0 -50.0 0.5 2.3 1100 -
Typical 156 0 -
Maximum -43.0 100 100 1600 -25.0
Units Mb/s dBm dBm dBm dB s nm dB
Receiver Sensitivity (10
BER)
2
Maximum Input Optical Power (10 LOS Thresholds LOS Hysteresis LOS Timing Delay Wavelength of Operation Receiver Reflectance
1 2
BER)
2
Pmax Plos+ Plost_loss_off t_loss_on -
Increasing Light Input Decreasing Light Input Increasing Light Input Decreasing Light Input
Data rate ranges from 50Mb/s to 266Mb/s. However, some degradation may be incurred in overall performance. Measured with 223-1 PRBS at 156Mb/s.
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
RevA-NP. 2009.01.12
TRPA03E2ZBBS3
Transmitter Performance Characteristics
Parameter Input Voltage Swing (TD+ & TD-) 1 Input HIGH Voltage (TX Disable) Input LOW Voltage (TX Disable) Output LOW Voltage (TX Fault)
1 2 3
(Over Operating Case Temperature. VCC = 3.13 to 3.47V) 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
Symbol VPP-DIF VIH VIL VOH VOL
2
2
Output HIGH Voltage (TX Fault) 3
3
Differential peak-to-peak voltage. There is an internal 4.7 to 10k pull-up resistor to VccT. Open collector compatible, 4.7 to 10k pull-up resistor to Vcc (Host Supply Voltage).
Receiver Electrical Interface
Parameter Output Voltage Swing (RD+ & RD-) Output HIGH Voltage (LOS) Output LOW Voltage (LOS))
1 2
(Over Operating Case Temperature. VCC = 3.13 to 3.47V)) Symbol Minimum 0.6 2.0 0 Typical Maximum 2.0 VCC + 0.3 0.5 Units V V V
1
VPP-DIF VOH VOL
2 2
Differential peak-to-peak voltage across external 100 load. Open collector compatible, 4.7 to 10k pull-up resistor to Vcc (Host Supply Voltage).
Electrical Power Supply Characteristics
Parameter Supply Voltage Supply Current VCC ICC
(Over Operating Case Temperature. VCC = 3.13 to 3.47V)) Minimum 3.13 Typical 3.3 175 Maximum 3.47 350 Units V mA
Symbol
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
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
RevA-NP. 2009.01.12
TRPA03E2ZBBS3
Example of SFP host board schematic
Vcc 3.3V
1H coil or ferrite bead (<0.2 series resistance) Vcc 3.3V
+
10
0.1
0.1
16 15
R
2
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
TRPA03
+
10
0.1
8 4 5 6 13 50 line 12 50 line
TX Disable
3 50 line 18 50 line 19
100
TX DATA IN+ TX DATA IN-
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 that 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. 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. To allow monitoring of the average receiver signal level at sensitivity and maintain compatiblity with exisiting systems 10dB needs to be subtracted from the received optical power monitor output to obtain the correct value of the received optical power. 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 shouldbe well-filtered. All 0.1F power supply bypass capacitors should be as close to the transceiver module as possible.
Oplink Communications, Inc.
4
RevA-NP. 2009.01.12
TRPA03E2ZBBS3
Mechanical Package
46335 Landing Pkwy Fremont, CA 94538 Tel: (510) 933-7200 Fax: (510) 933-7300 Email: Sales@Oplink.com * www.oplink.com
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 Sales@oplink.com.
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. RevA-NP. 2009.01.12 (c) 2006, Oplink Communications, Inc. 5

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