Finisar DWDM SFP
Contents
1. September 2000 3 AT24C01A 02 04 08 16 2 Wire Serial CMOS E PROM Atmel Corporation www Atmel com 4 Application Note AN 2030 Digital Diagnostic Monitoring Interface for Optical Transceivers Finisar Corporation April 2002 5 Digital Diagnostic Monitoring Interface For Optical Transceivers Rev 9 3 SFF Document No SFF 8472 6 Specifications for DWDM SFP Transceiver Draft 1 0 October 21 2005 Documentation is available from Finisar upon request XIII Revision HistoRL Revision Date Description A 8 15 2007 e Document created B 1 20 2008 e Modified by FF for preliminaRL customer distribution 6 3 2008 e Modified to reflect new optical output power level 8 25 08 e Updated rise fall time to 120ps C2 2 23 09 e Replace Dispersion Noise Penalty with Min OSNR requirement at BB 1600ps nm O Finisar Corporation Page 10 Rev D1 Aug 2010 FWLFI634RLxx DWDM SFP Product Specification August 2010 Finisar XIV For More Information Finisar Corporation 1308 Moffett Park Drive Sunnyvale CA 94089 1133 Tel 408 548 1000 Fax 408 541 6138 sales finisar com www finisar com O Finisar Corporation Page 11 Rev D1 Aug 20102. 4x Fibre Channel xXx DWDM Wavelength see table below Finisar Corporation Page 2 Rev D1 Aug 2010 FWLFI634RLxx DWDM SFP Product Specification August 2010 Finisar I Pin Descriptions Symbol Name Description VEET Transmitter Ground Common with Receiver Ground TrAuLT Transmitter Fault Tpis Transmitter Disable Laser output disabled on high or open MOD DEF 2 Module Definition 2 Data line for Serial ID MOD DEF 1 Module Definition 1 Clock line for Serial ID MOD DEF 0 Module Definition 0 Grounded within the module Rate Select No connection required LOS Loss of Signal indication Logic 0 indicates normal operation VEER Receiver Ground Common with Transmitter Ground VEER Receiver Ground Common with Transmitter Ground VEER Receiver Ground Common with Transmitter Ground RD Receiver Inverted DATA out AC Coupled RD Receiver Non inverted DATA out AC Coupled VEER Receiver Ground Common with Transmitter Ground Vccn Receiver Power Supply Vccr Transmitter Power Supply VEET Transmitter Ground Common with Receiver Ground TD Transmitter Non Inverted DATA in 100 ohm termination between TD and TD AC Coupled thereafter TD Transmitter Inverted DATA in See TD VEET Transmitter Ground Common with Receiver Ground CO D NM BY WI DN rR nn Alw Go Go bo Notes 1 Circuit ground is internally isolated from chassis grou
3. Finisar Product Specification Long Reach DWDM SFP Transceiver FWLF1634RLxx PRODUCT FEATURES e Upto 4 25 Gb s bi directional links e Hot pluggable SFP footprint e Temperature stabilized DWDM rated DFB laser transmitter e 100GHz ITU Grid C Band e Low dispersion DFB laser e Extended operating range 5 C to 70 C case temperature e Wavelength controlled within 0 1 APPLICATIONS nm over life and temperature e Amplified DWDM networks e Extended link budget with APD receiver technology e Bandwidth aggregation e 4x FC compliant e Ring topologies with fixed and reconfigurable OADMs e 1x 2x GbE compliant e OC 48 LR 2 compliant Finisar s Dense Wavelength Division Multiplexing DWDM transceivers offer DWDM transport with dramatically lower power and cost in a standard pluggable Small Form Factor Pluggable SFP package The FWLF1634R is designed expressly for service providers deploying DWDM networking equipment in metropolitan access and core networks Basic digital diagnostic features for the FWLF1634R are implemented as described in Finisar Application Note AN 2030 Digital Diagnostic Monitoring Interface for Optical Transceivers Enhanced diagnostic features are available as described in the DWDM SFP MSA when ordered with rate selection option and used in low rate mode O Finisar Corporation Page 1 Rev D1 Aug 2010 Finisar PRODUCT SELECTION FWLF1634Ryxx Non Rate Selectable
4. input swing Vin pp 250 1200 mV Transmit Disable Voltage Vp Vcc 1 3 Vcc V Transmit Enable Voltage Ven Vee Vee 0 8 V 2 RECEIVER Single ended data output swing Vout pp 175 1000 mV 3 Data output rise time t 120 ps 4 Data output fall time tr 120 ps 4 LOS Fault VLos faut Vcc 0 5 Vecyost V 9 LOS Normal Vios norm Vee Vee 0 5 V 5 Power Supply Rejection PSR 100 mVpp 6 Notes 1 Connected directly to TX data input pins AC coupled thereafter 2 Or open circuit 3 Into 100 ohms differential termination 4 20 80 5 Loss of signal LOS is LVTTL Logic 0 indicates normal operation logic 1 indicates no signal detected 6 Receiver sensitivity is compliant with power supply sinusoidal modulation of 20 Hz to 1 5 MHz up to specified value applied through the recommended power supply filtering network O Finisar Corporation Rev D1 Aug 2010 Page 4 FWLFI634RLxx DWDM SFP Product Specification August 2010 Finisar IV Low Speed Signals Parameter Min Typ Max Units Notes Conditions RX LOS Assert Level RX_LOS De asset Level 4 28 am RX LOs Hystreis Jfosj 2 a gt From detection of loss of signal to assertion of RX LOS p nats iki ao alee ceed RX_LOS Negate Delay t_loss_off 100 usec From detection of presence of signal to negation of RX_LOS TX_DISABLE Assert Time t_off 10 usec Rising edge of TX DISABLE to fall of output signal below 1096 of nominal TX DISABLE Negate Time t on 1000 usec Falli
5. l Input Power 23 dBm 4 25 Gb s w PRBS 2 1 BER lt 10 EOL Optical Input Power dBm Receiver Damage Threshold ReierRelecame Ro 27 SSS Min Required OSNR Opam OSNRw 22 dB _ SeeNow7 Min Required OSNR 1600psinm OSNR 25 dB fenor Notes Parameters are specified over temperature and voltage at end of life and for non rate select option unless otherwise noted All parameters are measured on a Finisar SFP Evaluation Card unless otherwise noted For accurate AA measurements an OSA with a resolution band width of lt 20pm is recommended Output power of 3 to 7dBm is also supported please contact your local Finisar sales representatives for details Tolerable back reflection is the max back reflection level at which the power penalty will be lt 1dB Power penalty is measured over fiber 1600ps nm at BER 10 with OSNR set at 24dB Dispersion power penalty is measured in loop back with OSNR set to 30 dB Data rate and pattern used same as specified for Optical Input Power Dispersion power penalty is the difference in Rx power at a BER of 10 for Ops nm amp 1600ps nm 7 Rx power set between 9dBm and 18dBm Data rate and pattern used same as specified for Optical Input Power Measured as the Minimum OSNR to achieve a BER of 10 Optical filter bandwidth of 0 1nm is used in OSNR measurement Uc pac bas o O Finisar Corporation Page 6 Rev D1 Aug 2010 FWLFI634RLxx DWDM SFP Pr
6. mation as outlined in the SFP MSA These SFPs use an Atmel AT24COIA 128 byte E PROM with an address of AOh For details on interfacing with the E PROM see the Atmel data sheet titled AT24C01A 02 04 08 16 2 Wire Serial CMOS E PROM Finisar SFPs also support diagnostic features as described in Finisar Applications Note AN 2030 and SFF 8472 Digital Diagnostic Monitoring Interface for Optical Transceivers A controller IC that monitors system parameters such as laser current module temperature transmitter power and received power is accessible at address A2H In addition Finisar s DWDM SFPs provide extended set of ID information and diagnostic features as described in the DWDM SFP MSA I2C clock speed digital diagnostic accuracy and digital diagnostic range can be found in the table below Values in the table represent the worst case values over temperature voltage and life Parameter Symbol Min Typ Max Units Notes Conditions FC Clock Speed 0 100 000 Hz Bus can be driven blind Accuracy Transceiver Case DDremperature 10 10 C Measured on the top side of Temperature the module case Transceiver Supply DD ottage 3 3 Voltage Tx Bias Current DDgias 10 10 Tx Output Power DD px Power 2 2 dB Received Average DDrxpower 2 2 dB Power Range Transceiver Case DD Temperature 40 85 uo Temperature Transceiver Supply DDyvottage 3 0 4 0 V V
7. nd 2 Laser output disabled on Tp s gt 2 0V or open enabled on Tpyjs 0 8V 3 Should be pulled up with 4 7k 10kohms on host board to a voltage between 2 0V and 5 5V MOD_DEF 0 pulls line low to indicate module is plugged in 4 Receiver achieves multi rate operation without active control 5 LOS is open collector output Should be pulled up with 4 7k 10kohms on host board to a voltage between 2 0V and 5 5V Logic 0 indicates normal operation logic 1 indicates loss of signal ver BEI 20 1 Ve 2 BEI 3 i visae 4 I vo0 ver2 Towards ED vor i 1s Towards Bezel 6 o o ASIC 7 BB rate setect 8 EN 9 BEN 10 E Diagram of Host Board Connector Block Pin Numbers and Names O Finisar Corporation Page 3 Rev D1 Aug 2010 FWLF1634RLxx DWDM SFP Product Specification August 2010 II Absolute Maximum Ratings Finisar Parameter Symbol Min Typ Max Unit Maximum Supply Voltage Vcc 0 5 4 7 V Storage Temperature Ts 10 85 C Case Operating Temperature Top 5 70 C IIl Electrical Characteristics Top 5 to 70 C Vcc 3 13 to 3 50 Volts Parameter Symbol Min Typ Max Unit Ref Supply Voltage Vcc 3 13 3 30 3 50 V Supply Current Icc 325 mA BOL Inrush Current Lurge Icc 30 mA BOL Maximum Power Pmax 1 25 W TRANSMITTER Input differential impedance Ri 100 Q 1 Single ended data
8. ng edge of TX_DISABLE to rise of output signal above 90 of nominal Time indicated is under steady state temperature conditions a JR EE uH TX_DISABLE set LOW TX_FAULT Assert 0 2 0 2 nm TX_Fault will assert before the device is outside of specified wavelength range O Finisar Corporation Page 5 Rev D1 Aug 2010 FWLFI634RLxx DWDM SFP Product Specification August 2010 Finisar V Optical Parameters Units Notes Conditions TRANSMITTER CHARACTERISTICS Center Wavelength Spacing Corresponds to approximately 0 8 nm Modulated Spectral Width AX 20 Full width 20dB from max See note 3 nm Center Wavelength End of Life m X100 X X 100 pm X spoctied cenerwavelona enter Wavelength BOL Offset EE m resremr emen Side Mode Suppression Ratio 3 1 dB Modulated Optical Rise Fall Time tl Unfiltered 80 20 en ad 20 ee eee note xinction Ratio 4256 oM 9 B fron EEE Os fom Forbo Aa B D B a 17 FS 5 6 for OC 48 B moame pp o e SSS PP 12821 p pon i Rer Til E a Tolerable Back Reflection BR 4 dB senest O Relative mens Nowe fa anf Dispersion Power Penalty dB At 1600 ps nm See Note 6 RECEIVER CHARACTERISTICS Optical Input Wavelength Jitter Generation SONET mUI Parameters per GR 253 eem LL ea Toae REM 2 2 mm 28 dBm I 5 Gb s w PRBS 2 1 EOL amp rate select low option implemented Optica
9. oduct Specification August 2010 Finisar VI Wavelength Stabilization The laser transmitter will not be turned on until its temperature is adjusted to ensure operation within the specified channel X 300pm This temperature stabilization time is dependent on the ambient temperature conditions but will typically occur within 5 seconds of powering the device The module will transmit within the specified wavelength tolerance X 100pm within 10 ms of transmitter operation VII General Specifications Units Notes Conditions Gb sec SONET OC 3 12 48 compatible Total Link Budget 26 30 4 25 Gb s BER lt 10 w PRBS 27 1 See Note 1 pee lE ETE tt c e 2 1 See Note 1 Note 1 Total link budget is defined as Pou P typical connector losses Operating in low rate mode VIII Environmental Specifications Parameter Notes Conditions Operating Temp Case temperature measured on top side of device SiongeTemp Te 39 76 Arien Eye Safety CDRH and IEC 825 Class 1 Laser Product See Note 1 Note 1 Complies with FDA performance standards for laser products except for deviations pursuant to Laser Notice No 50 dated July 26 2001 O Finisar Corporation Page 7 Rev D1 Aug 2010 FWLFI634RLxx DWDM SFP Product Specification August 2010 Finisar IX Serial Communication Protocol All Finisar SFPs support the 2 wire serial communication protocol to provide module ID infor
10. oltage Tx Bias Current DDgias 0 90 mA Tx Output Power DD ry Power 5 10 dBm Received Average DDrypower 30 7 dBm Power O Finisar Corporation Page 8 Rev D1 Aug 2010 FWLFI634RLxx DWDM SFP Product Specification August 2010 Finisar X Mechanical Specifications Finisars Multi rate DWDM Small Form Factor Pluggable SFP transceivers are compatible with the dimensions defined by the DWDM SFP Multi Sourcing Agreement MSA 56 65 2 2 231 13 49 531 14 80 a o i 13 27 583 G Cari NG ARA ELM La 13 72 0 89 540 toss 1 peal 12 44 w rd 884 12 44 490 J 340 ME ME eee MES 1 88 E i pa 44 94 1 769 Figure 1 DWDM SFP Outline Drawing units in inches mm Finisar Corporation Page 9 Rev D1 Aug 2010 FWLFI634RLxx DWDM SFP Product Specification August 2010 Finisar XI Ordering Information Part Number Description FWLFI634Ryxx DWDM SFP with APD Receiver y L non rate select xx channel number see product selection on page 2 XII References 1 Small Form Factor Pluggable SFP Transceiver Multi Source Agreement MSA September 2000 Documentation is currently available from Finisar upon request 2 SONET Transport Systems Common Generic Criteria Telcordia Technologies GR 253 CORE Issue 3
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