f i n i s a r ? finisar corporation page 1 rev c1 , ju ly 20 13 product specification long-reach dwdm sfp transceiver fwlf1631 rxx product features ? up to 2.7 gb/s bi-directional data links ? high launch power (+3dbm min) ? hot -pluggable sfp footprint ? temperature-stabilized dwdm- rated dfb laser transmitter ? 10 0ghz itu grid, c-band ? low dispersion dfb laser with up to 160km reach ? extended operating range: -5c to 7 0 c case temperature ? wavelength controlled within ? 0.1 nm over life and temperature ? extended link budget with apd receiver technology ? oc -48 lr-2 compliant applications ? amplified dwdm networks ? bandwidth aggregation ? ring topologies with fixed and reconfigurable oadms finisars 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 1 . t he FWLF1631R is designed expressly for service providers deploying dwdm networking equipment in metropolitan access and core networks. basic digital diagnostic features for the FWLF1631R are implemented as described in finisar application note an- 2030, digital diagnostic monitoring interface for optical transceivers 4 . enhanced diagnostic features are available as described in the dwdm sfp msa 6 .
f i n i s a r ? finisar corporation page 2 rev c1 , ju ly 20 13 product selection (FWLF1631Rxx, where xx is channel number) product code frequency (thz) center wavelength (nm) FWLF1631R 17 191.7 1563.86 FWLF1631R 18 191.8 1563.05 FWLF1631R 19 191.9 1562.23 FWLF1631R 20 192.0 1561.42 FWLF1631R 21 192.1 1560.61 FWLF1631R 22 192.2 1559.79 fwlf1 631r 23 192.3 1558.98 FWLF1631R 24 192.4 1558.17 FWLF1631R 25 192.5 1557.36 FWLF1631R 26 192.6 1556.55 FWLF1631R 27 192.7 1555.75 FWLF1631R 28 192.8 1554.94 FWLF1631R 29 192.9 1554.13 FWLF1631R 30 193.0 1553.33 FWLF1631R 31 193.1 1552.52 FWLF1631R 32 193.2 1551.72 FWLF1631R 33 193.3 1550.92 FWLF1631R 34 193.4 1550.12 FWLF1631R 35 193.5 1549.32 FWLF1631R 36 193.6 1548.51 FWLF1631R 37 193.7 1547.72 FWLF1631R 38 193.8 1546.92 FWLF1631R 39 193.9 1546.12 FWLF1631R 40 194.0 1545.32 FWLF1631R 41 194.1 1544.53 fwlf 1631r 42 194.2 1543.73 FWLF1631R 43 194.3 1542.94 FWLF1631R 44 194.4 1542.14 FWLF1631R 45 194.5 1541.35 FWLF1631R 46 194.6 1540.56 FWLF1631R 47 194.7 1539.77 FWLF1631R 48 194.8 1538.98 FWLF1631R 49 194.9 1538.19 FWLF1631R 50 195.0 1537.40 FWLF1631R 51 195.1 1536.61 FWLF1631R 52 195.2 1535.82 FWLF1631R 53 195.3 1535.04 FWLF1631R 54 195.4 1534.25 FWLF1631R 55 195.5 1533.47 FWLF1631R 56 195.6 1532.68 FWLF1631R 57 195.7 1531.90 FWLF1631R 58 195.8 1531.12 FWLF1631R 59 195.9 1530.33 FWLF1631R 60 196.0 1529.55 fwl f1631r 61 196.1 1528.77
fwlf 1631 rxx dwdm sfp product specification C ju ly 20 13 f i n i s a r ? finisar corporation page 3 rev c1 , ju ly 20 13 i. pin descriptions pin symbol name/description ref. 1 v eet transmitter ground (common with receiver ground) 1 2 t fault transmitter fault 3 t dis transmitter disable. laser output disabled on high or open 2 4 mod_def(2) m odule definition 2. data line for serial id 3 5 mod_def(1) module definition 1. clock line for serial id 3 6 mod_def(0) module definition 0. grounded within the module 3 7 rate select no connection required 4 8 los loss of signal indication. logic 0 i ndicates normal operation 5 9 v eer receiver ground (common with transmitter ground) 1 10 v eer receiver ground (common with transmitter ground) 1 11 v eer receiver ground (common with transmitter ground) 1 12 rd - receiver inverted data out. ac couple d 13 rd+ receiver non - inverted data out. ac coupled 14 v eer receiver ground (common with transmitter ground) 1 15 v ccr receiver power supply 16 v cct transmitter power supply 17 v eet transmitter ground (common with receiver ground) 1 18 td+ tra nsmitter non - inverted data in. 100 ohm termination between td+ and td - , ac coupled thereafter 19 td - transmitter inverted data in. see td+ 20 v eet transmitter ground (common with receiver ground) 1 notes: 1. circuit ground is internally isolated from chassis ground. 2. laser output disabled on t dis >2.0v or open, enabled on t dis <0.8v. 3. should be pulled up with 4.7k C 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 C 10kohms on host board to a voltage between 2.0v and 5.5v. logic 0 indicates normal operation; logic 1 indicates loss of signal. diagram of host board connector block pin numbers and names veet veet veer veer td- td+ rd+ rd- vcct vccr veet veer txfault mod-def(2) mod-def(1) mod-def(0) rate select los 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 towards asic towards bezel tx disable veer
fwlf 1631 rxx dwdm sfp product specification C ju ly 20 13 f i n i s a r ? finisar corporation page 4 rev c1 , ju ly 20 13 ii. absolute maximum ratings parameter symbol min typ max unit maximum supply voltage vcc - 0.5 4.7 v storage temperature t s - 10 85 ? c case operating temperature t op - 5 70 ? c iii. electrical characteristics (t op = -5 to 70 ? c, v cc = 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 380 ma inrush current i surge icc+30 ma maximum power pmax 1.25 w transmitter ? input differential impedance r in 100 ? ? 1 single ended data input swing vin,pp 2 50 1200 mv transmit disable voltage v d vcc C 1.3 vcc v transmit enable voltage v en vee vee+ 0.8 v 2 receiver ? single ended data output swing vout,pp 175 1000 mv 3 data output rise time t r 150 ps 4 data output fall time t f 150 ps 4 los fault v los fault vcc C 0.5 vcc host v 5 los normal v los 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 C 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.
fwlf 1631 rxx dwdm sfp product specification C ju ly 20 13 f i n i s a r ? finisar corporation page 5 rev c1 , ju ly 20 13 iv. low speed signals parameter symbol min typ max units notes/conditions rx_los assert level - 42 - 36 dbm rx_los de - assert lev el - 34 - 32 dbm rx_los hysteresis 0.5 2 db rx_los assert delay t_loss_on 100 ? sec from detection of loss of signal to assertion of rx_los rx_los negate delay t_loss_off 100 ? sec from detection of presence of signal to negation of rx_los tx_dis able assert time t_off 10 ? sec rising edge of tx_disable to fall of output signal below 10% of nominal tx_disable negate time t_on 1000 ? sec falling edge of tx_disable to rise of output signal above 90% of nominal. time indicated is under steady - stat e temperature conditions. tx_disable reset time t_reset 10 ? sec 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
fwlf 1631 rxx dwdm sfp product specification C ju ly 20 13 f i n i s a r ? finisar corporation page 6 rev c1 , ju ly 20 13 v. optical parameters parameter symbol min typ max units notes/conditions transmitter characteristics center wavelength spacing 100 ghz corresponds to approximately 0.8 nm modulated spectral width ? ? ??? 0.2 0.3 nm full width, - 20db from max . see note 3 transmitter center wavelength C end of life ? c x - 100 x x + 100 pm x = specified center wavelength transmitter center wavelength C start of life ? c y - 25 y y + 25 pm y = specified center wavelength side mode suppression ratio (smsr) smsr 30 db modulated optical rise/fall time t r / t f 160 ps unfiltered, 80% - 20% transmitter optical output power p out +3 + 7 dbm average power coupled into single mode fiber transmitter extinction ratio omi 8.2 db transmitter eye opening 10 % oc - 48 eye mask margin transmitter jitter generation 75 mui parameters per gr - 253 2 section 5.6 for oc - 48 b tolerable back reflection br - 14 db see note 4 relative intensity noise rin - 120 db/hz dispersion power penalty at 3200ps/nm dpp 3.0 db see note 5 receiver characteristics optical input wavelen gth p in 1520 1570 nm receiver jitter generation 75 mui parameters per gr - 253 2 section 5.6 for oc - 48 b optical input power (ber < 10 - 12 ) p in - 28 - 9 dbm 2.5 gb/s w/ prbs 2 23 - 1 optical input power C receiver damage threshold + 6 dbm receiv er reflectance r rx - 27 db d ispersion noise penalty at 3200ps/nm dnp 3.0 db see note 6 notes: 1. parameters are specified over 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. for accurate ? ? 20 measurements, an osa with a resolution band width of 20pm is recommended. 4. tolerable back reflection is the max back reflection level at which the power penalty will be <1db. 5 . dispersion power penalty is measured in loop back with osnr set to 28 d b. 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 - 12 for 0ps/nm and 3200ps/nm. 6. dispersion noise penalty is measured in loop back with rx power set between - 9 dbm and - 22dbm. data rate and pattern used same as specified for optical input power. dispersion noise penalty is the difference in osnr at a ber of 10 - 12 for 0ps/nm and 3200ps/nm
fwlf 1631 rxx dwdm sfp product specification C ju ly 20 13 f i n i s a r ? finisar corporation page 7 rev c1 , ju ly 20 13 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 viii. environmental specifications parameter symbol min typ max units notes/conditions operating temp t op - 5 70 c case temperature measured on top - side of device storage temp t sto - 4 0 85 c ambient temperature eye safety cdrh and iec - 825 class 1 laser product. see note 1 note 1: complies with fda performan ce standards for laser products except for deviations pursuant to laser notice no. 50, dated july 26, 2001. parameter symbol min typ max units notes/conditions data rate br 0. 1 55 2.7 gb/sec sonet oc - 48 compliant sonet oc - 3/ 12 compatible total link budget 31 34 db @ 2.5 gb/s, ber <10 - 12 w/ prbs 2 - 23 - 1. see note 1 note 1: total link budget is defined as p out C p in C typical connector losses.
fwlf 1631 rxx dwdm sfp product specification C ju ly 20 13 f i n i s a r ? finisar corporation page 8 rev c1 , ju ly 20 13 ix. serial communication protocol all finisar sfps support the 2-wire serial communication protocol to provide module id information as outlined in the sfp msa 1 . these sfps use an atmel at24c01a 128 byte e 2 prom with an address of a0h. for details on interfacing with the e 2 prom, see the atmel data sheet titled at24c01a/02/04/08/16 2 -wire serial cmos e 2 prom. 3 finisar sfps also support diagnostic features as described in finisar applications note an- 2030 4 and sff-8472 5 , 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, finisars dwdm sfps provide extended set of id information and diagnostic features as described in the dwdm sfp msa 6 . 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 i 2 c clock speed 0 100,000 hz bus can be driven blind accuracy transceiver case temperature dd temperature - 10 + 10 c measured on the top - side of the module case transceiver supply voltage dd voltage - 3 +3 % tx bias current dd bias - 10 +10 % tx output power dd txpower - 2 + 2 db received average power dd rxpower - 2 + 2 db range transceiver case temperature dd temperature - 40 85 c transceiver supply voltage dd voltage 3.0 4.0 v tx bias cu r rent dd bias 0 90 ma tx output power dd txpower - 5 + 10 dbm received average power dd rxpower - 30 - 7 dbm
fwlf 1631 rxx dwdm sfp product specification C ju ly 20 13 f i n i s a r ? finisar corporation page 9 rev c1 , ju ly 20 13 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) 6 . figure 1. dwdm sfp outline drawing (units in inches [mm])
fwlf 1631 rxx dwdm sfp product specification C ju ly 20 13 f i n i s a r ? finisar corporation page 10 rev c1 , ju ly 20 13 xi. ordering information part number description fwlf1631 rxx 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. sonet transport systems: common generic criteria, telcordia technologies, gr -253 -core, issue 3, september 2000. 3. at24c01a/02/04/08/16 2 -wire serial cmos e 2 prom, atmel corporation. www.atmel.com . 4. application note an -2030: digital diagnostic monitoring interface for optical transceivers, finisar co rporation, 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. 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
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