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Multi-rate OC-48/STM-16 LR-2/L-16.2 SFP DWDM Transceivers with Digital Diagnostics
TRPW48L2/E2 DWDM
Product Description The TRPW48L2/E2 DWDM SFP series of multi-rate fiber optic transceivers with digital diagnostics monitoring functionality provide a quick and reliable interface for long reach applications. Diagnostics monitoring functionality (alarm and warning features) is integrated into the design via an I2C serial interface per the Multi-Source Agreement (MSA) on DWDM SFP transceivers (Rev. 1.0, October 2005). Products under this series are compatible with SONET/SDH standards for OC-48/STM-16 (2.67Gb/s) Forward Error Correction and OC-48/STM-16 (2.488Gb/s) LR-2/L-16.2 long reach applications, OC-3/STM-1 (156Mb/s) and OC-12/STM-4 (622Mb/s) SR/I-1 and I-4 short reach applications; Gigabit Ethernet LX (1.25Gb/s) applications per IEEE 802.3; and Fibre Channel 200-SM-LC-L (2.125Gb/s) and 100-SMLC-L (1.062Gb/s) applications per FC-PI standards. The transmitter incorporates a highly reliable 1550nm DFB laser with an operating wavelength in full compliance with 100GHz (0.8nm) spacing per ITU-grid. All transceivers are Class I Laser products per U.S. FDA/CDRH and international IEC-60825 standards. The TRPW48L2/E2 DWDM 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 blue bail-type latches, which offer an easy and convenient way to release the modules. 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 (LOS) output interfaces are also provided. The transceivers operate from a single +3.3V power supply over an operating case temperature range of -5C to +70C (Commercial) or -5C to +85C (Extended). The housing is made of metal designed for optimum thermal performance and electromagnetic compatibility. Absolute Maximum Ratings
Parameter Storage Temperature Operating Case Temperature1 Supply Voltage Maximum Input Optical Power (30 seconds max.) Input Voltage
1
Features Compliant with DWDM SFP MSA Multi-rate Operations from 125Mb/s to 2.67Gb/s Support 2.67Gb/s OC-48 FEC Rate 1550nm DFB Laser Transmitter & APD Receiver Long Haul Transmission Distance of 80km or 120km Compliant with G.692 100GHz Channel Spacing Optical Link Power Budget of 28dB Minimum Digital Diagnostics through Serial Interface Internal Calibration for Digital Diagnostics Eye Safe (Class I Laser Safety) Hot-pluggable TX Fault & Loss of Signal Outputs TX Disable Input Temperature option of -5C to +85C
Symbol TST Commercial Extended TOP VCC Pin, max VIN
Minimum - 40 -5 -5 0 0
Maximum + 85 + 70 + 85 + 4.5 + 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
Rev7.2008.07.17
TRPW48L2/E2 DWDM
Transmitter Performance Characteristics
All parameters guaranteed only at typical data rate Parameter1 Operating Data Rate Average Optical Output Power (coupled into single mode fiber), 50% duty cycle Extinction Ratio Center Wavelength
2 3
(Over Operating Case Temperature. VCC = 3.13 to 3.47V)
Symbol B PO Phi /Plo C 20 POFF SMSR t r , tf RIN OC-48 JG -
Minimum 0.125 0 8.2 30 -
Typical -
Maximum 2.67 + 4.0 0.4 - 45.0 0.16 - 117 0.07 2.0 2.0
Units Gb/s dBm dB nm dBm dB ns dB/Hz UIp-p dB
see Ordering Information Table -
Spectral Width (-20dB)
Optical Output Power of OFF Transmitter Side Mode Suppression Ratio Optical Rise/Fall Time (20% to 80%) Relative Intensity Noise Jitter Generation Dispersion Penalty4 Optical Output Eye
1 2
1600ps/nm (80km) 2400ps/nm (120km)
Compliant with Telcordia GR-253-CORE and ITU-T Recommendation G.957
Specified through EOL. BOL: +/-0.05nm from ITU grid. EOL: +/-0.1nm from ITU grid. 3 Measured with OSA and 0.1nm resolution bandwidth. 4 Corresponds to the approximate worst-case dispersion for G.652/G.654 fiber over the center wavelength range of 1528.77-1563.86nm.
Receiver Performance Characteristics
All parameters guaranteed only at typical data rate Parameter1 Operating Data Rate Receiver Sensitivity (10 -10 BER) 2 Receiver Sensitivity (10 -12 BER) 3 OC-3/12/48, 2.67Gb/s 2.125Gb/s, 1.25Gb/s, 1.062Gb/s, 0.125Gb/s Increasing Light Input Decreasing Light Input Increasing Light Input Decreasing Light Input
(Over Operating Case Temperature. VCC = 3.13 to 3.47V) Symbol B Pmin Pmin Pmax Plos+ Plost_loss_off t_loss_on Minimum 0.125 - 28.0 - 28.0 - 8.0 - 45.0 2.3 0.5 1260 Typical 1.5 Maximum 2.67 - 28.0 100 100 1570 -27.0 Units Gb/s dBm dBm dBm dBm s dB nm dB
Maximum Input Optical Power (10-12 BER) LOS Thresholds LOS Timing Delay LOS Hysteresis Wavelength of Operation Receiver Reflectance
1 2 3
Specified through EOL. Measured with 223-1 PRBS. Measured 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
Rev7.2008.07.17
TRPW48L2/E2 DWDM
Transmitter Performance Characteristics
Parameter Input Voltage Swing (TD+ & TD-) 1 Input HIGH Voltage (TX Disable)
2
(Over Operating Case Temperature. VCC = 3.13 to 3.47V) Minimum 0.35 2.0 0 2.0 0 Typical Maximum 1.75 VCC 0.8 VCC + 0.3 0.8 Units V V V V V
Symbol VPP-DIF VIH VIL VOH VOL
Input LOW Voltage (TX Disable) 2 Output HIGH Voltage (TX Fault) 3 Output LOW Voltage (TX Fault)
1 2 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-) 1 Output HIGH Voltage (LOS) Output LOW Voltage (LOS))
1 2
(Over Operating Case Temperature. VCC = 3.13 to 3.47V)) Symbol VPP-DIF VOH VOL Minimum 0.40 VCC - 1.3 0 Typical Maximum 1.75 VCC + 0.3 0.5 Units V V V
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 Maximum 3.47 345 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
Rev7.2008.07.17
TRPW48L2/E2 DWDM
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
RR
2 8
R
R
TX Fault LOS MOD_DEF(2) MOD_DEF(1) MOD_DEF(0) RX DATA OUT+ to 50 load RX DATA OUTto 50 load
+
10
0.1
TRD148 DWDM
100
4 5 6 13 12
TX Disable TX DATA IN+ TX DATA IN-
3 18 19
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 with 0.1F 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 Start-up: During power up or hot plugging the DWDM SFP module will initially set the TX to the correct operating temperature. Depending on the ambient temperature this may take several seconds to 1 minute. When the Tx has reached the required temperature the Tx is switched on and active. At this point the Tx is guaranteed to be within +/-0.2nm of the appropriate ITU wavelength and will settle to +/-0.05nm within the time limit set by the MSA. 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 latched per SFP MSA. 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 definitionpins, MOD_DEF(0), MOD_DEF(1) and MOD_DEF(2). Upon power up, MOD_DEF(1:2) appear as NC (noconnection), 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 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. The data transfer protocol and the details of the mandatory and vendor specific data structures are defined in the MSA. 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
Rev7.2008.07.17
TRPW48L2/E2 DWDM
Package Outline
2.224 56.50 REF
.601 15.25
.539 13.70
FRONT EDGE OF TRANSCEIVER CAGE .246 6.25 REF .080 2 1.874 47.60REF
.335 8.50 .539 .004 13.7 0.1 .064 1.62 1.646 .006 41.8 0.15
.339 8.6 MAX
.375 9.53
46335 Landing Pkwy Fremont, CA 94538 Tel: (510) 933-7200 Fax: (510) 933-7300 Email: Sales@Oplink.com * www.oplink.com
1.772 .008 45 0.2
Dimensions in mm [inches] Default tolerances: X.XX 0.1 [.004] X.X 0.25 [.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. Rev7.2008.07.17 (c) 2006, Oplink Communications, Inc. 5

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