f i n i s a r ? finisar corporation page 1 june 2009 rev e2 product specification dwdm sfp transceiver fwlf-1631-xx product features ? up to 2.7 gb/s bi-directional data links ? hot-pluggable sfp footprint ? temperature-stabilized dwdm- rated dfb laser transmitter ? 100ghz itu grid, c-band ? low dispersion dfb laser with 120km reach performance ? extended operating range: -5c to 70c case temperature ? wavelength controlled within 0.1 nm over life and temperature ? extended link budget with apd receiver technology ? sonet oc-48 lr-2 compliant ? gigabit ethernet compatible applications ? amplified dwdm & sonet networks ? bandwidth aggregation ? ring topologies with fixed and reconfigurable oadms finisars dense wavelength-division multiplexing (d wdm) small form factor pluggable (sfp) transceivers 1 address communication network optics requirements that necessitate lower power and cost parameters. the fw lf-1631-xx is designed expressly for service providers deploying sonet and dwdm 2 networking equipment in metropolitan access and core networks; and is rohs 5-of-6 compliant per directive 2002/95/ec 3 and finisar application note an-2038 4 . it is also compatible to gigabit ethernet data rate. basic digital diagnostic features for the fwlf-1631 -xx are implemented as described in finisar application note an-2030, digital diagnost ic monitoring interface for optical transceivers 5 . enhanced diagnostic features are available as des cribed in the dwdm sfp msa 6 .
f i n i s a r ? finisar corporation page 2 june 2009 rev e2 product selection product code frequency (thz) center wavelength (nm) fwlf-1631-17 191.7 1563.86 fwlf-1631-18 191.8 1563.05 fwlf-1631-19 191.9 1562.23 fwlf-1631-20 192.0 1561.42 fwlf-1631-21 192.1 1560.61 fwlf-1631-22 192.2 1559.79 fwlf-1631-23 192.3 1558.98 fwlf-1631-24 192.4 1558.17 fwlf-1631-25 192.5 1557.36 fwlf-1631-26 192.6 1556.55 fwlf-1631-27 192.7 1555.75 fwlf-1631-28 192.8 1554.94 fwlf-1631-29 192.9 1554.13 fwlf-1631-30 193.0 1553.33 fwlf-1631-31 193.1 1552.52 fwlf-1631-32 193.2 1551.72 fwlf-1631-33 193.3 1550.92 fwlf-1631-34 193.4 1550.12 fwlf-1631-35 193.5 1549.32 fwlf-1631-36 193.6 1548.51 fwlf-1631-37 193.7 1547.72 fwlf-1631-38 193.8 1546.92 fwlf-1631-39 193.9 1546.12 fwlf-1631-40 194.0 1545.32 fwlf-1631-41 194.1 1544.53 fwlf-1631-42 194.2 1543.73 fwlf-1631-43 194.3 1542.94 fwlf-1631-44 194.4 1542.14 fwlf-1631-45 194.5 1541.35 fwlf-1631-46 194.6 1540.56 fwlf-1631-47 194.7 1539.77 fwlf-1631-48 194.8 1538.98 fwlf-1631-49 194.9 1538.19 fwlf-1631-50 195.0 1537.40 fwlf-1631-51 195.1 1536.61 fwlf-1631-52 195.2 1535.82 fwlf-1631-53 195.3 1535.04 fwlf-1631-54 195.4 1534.25 fwlf-1631-55 195.5 1533.47 fwlf-1631-56 195.6 1532.68 fwlf-1631-57 195.7 1531.90 fwlf-1631-58 195.8 1531.12 fwlf-1631-59 195.9 1530.33 fwlf-1631-60 196.0 1529.55 fwlf-1631-61 196.1 1528.77
fwlf-1631-xx dwdm sfp C june 2009 f i n i s a r ? finisar corporation page 3 june 2009 rev e2 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) module definition 2. data line for ser ial id 3 5 mod_def(1) module definition 1. clock line for se rial id 3 6 mod_def(0) module definition 0. grounded within t he module 3 7 rate select no connection required 4 8 los loss of signal indication. logic 0 indicates 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 coupled 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+ transmitter non-inverted data in. 100 ohm te rmination 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 boa rd to a voltage between 2.0v and 5.5v. mod_def(0) pulls line low to indicate module is plu gged in. 4. receiver achieves multi-rate operation without acti ve control. 5. los is open collector output. should be pulled up with 4.7k C 10kohms on host board to a voltage betw een 2.0v and 5.5v. logic 0 indicates normal operation; logic 1 indicates loss of signal. 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 12 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 diagram of host board connector block pin numbers a nd names
fwlf-1631-xx dwdm sfp C june 2009 f i n i s a r ? finisar corporation page 4 june 2009 rev e2 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 w transmitter input differential impedance r in 100 1 single ended data input swing vin,pp 250 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 coupl ed 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 no rmal operation; logic 1 indicates no signal detecte d. 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 pow er supply filtering network.
fwlf-1631-xx dwdm sfp C june 2009 f i n i s a r ? finisar corporation page 5 june 2009 rev e2 iv. low speed signals parameter symbol min typ max units notes/conditions rx_los assert level -42 -36 dbm rx_los deassert level -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_disable 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-state 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-xx dwdm sfp C june 2009 f i n i s a r ? finisar corporation page 6 june 2009 rev e2 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 ? 20 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 itu center wavelength transmitter center wavelength C start of life c y - 25 y y + 25 pm y = specified bol 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 0 +4 dbm average power coupled into single mode fiber transmitter extinction ratio omi 8.2 db transmitter eye opening 10 % oc-48 eye mask marg in transmitter jitter (peak to peak) 75 mui paramet er 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 2400ps/nm dpp 3.0 db see note 5 receiver characteristics optical input wavelength p in 1520 1570 nm receiver jitter generation 75 mui parameters p er 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 receiver reflectance r rx -27 db dispersion noise penalty at 2400ps/nm dnp 3.0 db see note 6 notes: 1. parameters are specified over temperature and vo ltage, at end of life unless otherwise noted. 2. all parameters are measured on a finisar sfp eva luation 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 reflec tion level at which the power penalty will be <1db. 5. dispersion power penalty is measured in loop bac k with osnr set to 28 db. data rate and pattern us ed 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 2400ps/nm. 6. dispersion noise penalty is measured in loop bac k with rx power set between -9dbm and -22dbm. data rate and pattern used same as specified for optical input power. di spersion noise penalty is the difference in osnr at a ber of 10 -12 for 0ps/nm and 2400ps/nm.
fwlf-1631-xx dwdm sfp C june 2009 f i n i s a r ? finisar corporation page 7 june 2009 rev e2 vi. wavelength stabilization the laser transmitter will not be turned on until i ts 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 tr ansmit 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 -40 85 c ambient temperature 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 l aser notice no. 50, dated july 26, 2001. parameter symbol min typ max units notes/conditions data rate br 0.155 2.7 gb/sec sonet oc-3/12/48 compatible total link budget 28 30 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-xx dwdm sfp C june 2009 f i n i s a r ? finisar corporation page 8 june 2009 rev e2 ix. serial communication protocol all finisar sfps support the 2-wire serial communic ation 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 interf acing with the e 2 prom, see the atmel data sheet titled at24c01a/02/04/08/16 2-wir e serial cmos e 2 prom. 7 finisar sfps also support diagnostic features as de scribed in finisar applications note an-2030 4 and sff-8472 8 , digital diagnostic monitoring interface for opti cal transceivers. a controller ic that monitors syste m parameters such as laser current, module temperature, transmitter power, and received power is accessible at address a2h. in addition, finisars dwdm sfps provide extended s et of id information and diagnostic features as described in the dwdm sfp msa 6 . i2c clock speed, digital diagnostic accuracy and di gital 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 blin d 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 current dd bias 0 90 ma tx output power dd txpower -5 +10 dbm received average power dd rxpower -30 -7 dbm
fwlf-1631-xx dwdm sfp C june 2009 f i n i s a r ? finisar corporation page 9 june 2009 rev e2 x. mechanical specifications finisars multi-rate dwdm small form factor pluggab le (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 inche s [mm])
fwlf-1631-xx dwdm sfp C june 2009 f i n i s a r ? finisar corporation page 10 june 2009 rev e2 xi. ordering information part number description fwlf-1631-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 availabl e from finisar upon request. 2. sonet transport systems: common generic criteria, telcordia technologies, gr-253-core, issue 3, september 2000. 3. directive 2002/95/ec of the european council parlia ment and of the council, on the restriction of the use of certain hazardous sub stances in electrical and electronic equipment. january 27, 2003. 4. application note an-2038: finisar implementation o f rohs compliant transceivers, finisar corporation, january 21, 20 05. 5. application note an-2030: digital diagnostic monit oring interface for optical transceivers, finisar corporation, april 2002. 6. specifications for dwdm sfp transceiver draft 1.0.o ctober 21 2005. documentation is available from finisar upon reques t. 7. at24c01a/02/04/08/16 2-wire serial cmos e 2 prom, atmel corporation. www.atmel.com . 8. digital diagnostic monitoring interface for optica l transceivers rev 9.3. sff document no. sff-8472. for more information: finisar corporation 1308 moffett park drive sunnyvale, ca 94089-1133 tel. (408) 548-1000 fax (408) 5416138 sales@finisar.com www.finisar.com
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