Finisar FWDM-1629-XX User's Manual
Contents
1. TX_DISABLE Negate Time t_on 1000 usec Falling edge of TX_DISABLE to rise of output signal above 90 of nominal Time indicated is under steady state temperature conditions TX_DISABLE Reset Time t_reset 10 usec TX_DISABLE HIGH before 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 Finisar Corporation PRELIMINARY and Confidential Page 5 Rev C February 2005 FWDM 1629 XX DWDM SFP Preliminary Product Specification February 2005 Finisar vV Optical Parameters Units Notes Conditions TRANSMITTER CHARACTERISTICS Center Wavelength Spacing ema a max me a E End of Life wavelength fog oe ee Pe ee Start of Life eg tg SMSR Optical Rise Fall Time t t 200 ps Unfiltered 80 20 Transmitter Optical Output Power Pout dBm Average power coupled KER aN mode fiber Transmitter Eye Opening ie ad ek ol TEEE 802 3 and Fibre Channel Eye Mask Relative esp Nome FP 0 ae Dispersion Penalty at 180km 3600ps nm See Note 3 RECEIVER CHARACTERISTICS Optical Input Wavelength Receiver Jitter Generation Peak to peak 25 dBm ce NN I Vc tl Optical Input Power dBm 1 25 Gb s w Optical Input Power Pin 30 dBm 1 25 Gb s A BER lt 10 Eee E ee PRBS 27 Optical Input Power cons A el Receiver Reflectance re 27 a Ss ee aa se OSNR Emi one 0 See Note 4 Notes 1 Parameters are specified ove2. X Mechanical Specifications Finisar s Multi rate DWDM Small Form Factor Pluggable SFP transceivers are compatible with the dimensions defined by the SFP Multi Sourcing Agreement MSA L 3 72 540 1244 490 4494 1 769 Figure 1 DWDM SFP Outline Drawing Finisar Corporation PRELIMINARY and Confidential Page 9 Rev C February 2005 FWDM 1629 XX DWDM SFP Preliminary Product Specification February 2005 Finisar XI Ordering Information Part Number Description FWDM 1629 XX DWDM SFP with APD Receiver 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 Application Note AN 2030 Digital Diagnostic Monitoring Interface for Optical Transceivers Finisar Corporation April 2002 3 AT24C01A 02 04 08 16 2 Wire Serial CMOS E PROM Atmel Corporation www Atmel com 4 Digital Diagnostic Monitoring Interface For Optical Transceivers Rev 6 1 September 2004 Documentation is currently available from Finisar upon request 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 Finisar Corporation PRELIMINARY and Confidential Page 10 Rev C February 2005
3. is internally isolated from chassis ground 2 Laser output disabled on Tprs gt 2 0V or open enabled on Tpjs lt 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 Finisar 2x receiver achieves simultaneous 1x and 2x 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 1 a 2 re 3 B Disable 4 RB voe vere Towards Boor vor 1s Towards Bezel 6 o o ASIC 4 7 ies Select 8 cs 9 ver 10 er Finisar Corporation PRELIMINARY and Confidential Page 3 Rev C February 2005 FWDM 1629 XX DWDM SFP Preliminary Product Specification February 2005 Finisar Diagram of Host Board Connector Block Pin Numbers and Names II Absolute Maximum Ratings Parameter Maximum Supply Voltage Storage Temperature Case Operating Temperature HMI 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 305 mA Inrush Current Tie Icc 30 mA Maximum Power Pmax 1 0 W TRANSMITTER Input differential impedance Rin 1
4. 00 Q 1 Single ended data 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 150 ps 4 Data output fall time te 150 ps 4 LOS Fault Viostault Vec 0 5 Vecyost V 5 LOS Normal VLos 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 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 Finisar Corporation PRELIMINARY and Confidential Page 4 Rev C February 2005 FWDM 1629 XX DWDM SFP Preliminary Product Specification February 2005 Finisar IV Low Speed Signals Parameter i Units Notes Conditions RX_LOS Assert Level i CEE E RX_ IRX_LOS Hysteresis IRX_LOS Hysteresis os 2 a dB I RX_LOS Assert Delay t E on 100 usec From detection of loss of SSS to assertion of RX_LOS 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 10 of nominal
5. Finisar Preliminary Product Specification DWDM SFP Transceiver FWDM 1629 XX PRODUCT FEATURES e Upto 1 25 Gb s bi directional data 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 suitable e Metal enclosure for low EMI e Extended operating range 5 C to APPLICATIONS 70 C case temperature e Wavelength controlled within 0 1 e Amplified DWDM networks nm over life and temperature e Extended link budget with APD receiver technology e GbE and 1X FC compliant Bandwidth aggregation e Ring topologies with OADM 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 FWDM 1629 is designed expressly for service providers deploying DWDM networking equipment in metropolitan Ethernet and SAN networks The fiber link budget has been enhanced to 30dB with an Avalanche Photo Diode APD receiver In addition digital diagnostic features are implemented as described in Finisar Application Note AN 2030 Digital Diagnostic Monitoring Interface for Optical Transceivers Finisar Corporation PRELIMINARY and Confidential Page 1 Rev C February 2005 Finisar PRODUCT SELECTION FWDM 1629 19 FWDM 1629 24 FWDM 1629 31 FWDM 1629 36 FWDM 1629 45 FWDM 1629 48 FWDM 1629 49 F
6. WDM 1629 50 FWDM 1629 57 FWDM 1629 60 Finisar Corporation PRELIMINARY and Confidential Page 2 Rev C February 2005 FWDM 1629 XX DWDM SFP Preliminary Product Specification February 2005 Finisar I Pin Descriptions 7 5 Symbol Name Description VEET Transmitter Ground Common with Receiver Ground TFAULT Transmitter Fault Tois 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 Vecer Receiver Power Supply Vecr 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 O CO NIT OD MN A SIN A Go Go Go bo Notes 1 Circuit ground
7. r temperature and voltage at end of life unless otherwise noted 2 All parameters are measured on a Finisar SFP Evaluation Card unless otherwise noted 3 Dispersion penalty is measured in loop back with OSNR set at Rx lt 28 dB Data rate and pattern used same as specified for Optical Input Power Dispersion penalty is measured at BER 10 4 OSNR penalty is measured in loop back Data rate and pattern used is same as specified for Optical Input Power OSNR penalty is measured at BER 10 Finisar Corporation PRELIMINARY and Confidential Page 6 Rev C February 2005 FWDM 1629 XX DWDM SFP Preliminary Product Specification February 2005 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 0 4nm This temperature stabilization time is dependent on the ambient temperature conditions but will typically occur within 90 seconds of powering the device The device will transmit within the specified wavelength tolerance X 0 1nm within 5 seconds of transmitter operation VII General Specifications Units Notes Conditions Gb sec Fibre Channel IEEE 802 3 Note 1 Total system budget is defined as Pout Pin typical connector losses VIII Environmental Specifications Parameter i its Notes Conditions Operating Temp Case temperature measured on top side of de
8. vice SioageTemp Tw 10 88 C Ambient temperaue 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 Finisar Corporation PRELIMINARY and Confidential Page 7 Rev C February 2005 FWDM 1629 XX DWDM SFP Preliminary Product Specification February 2005 Finisar IX Serial Communication Protocol All Finisar SFPs support the 2 wire serial communication protocol outlined in the SFP MSA These SFPs use an Atmel AT24C01A 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 s DWDM SFPs also support extended diagnostic features as described in Finisar Applications Note AN 2030 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 Parameter Symbol Max Units Notes Conditions TC Clock for Atmel Catmel 100 000 Bus can be driven blind AOH and Controller IC A2H E PROM Description TBD pending MSA Finisar Corporation PRELIMINARY and Confidential Page 8 Rev C February 2005 FWDM 1629 XX DWDM SFP Preliminary Product Specification February 2005 Finisar
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