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f i n i s a r finisar corporation page 1 rev d1 , aug .20 10 product specification long - reach dwdm sfp transceiver fwlf1634r l xx product features up to 4.25 gb/s bi - directional links hot - pluggable sfp footprint temperature - stabilized dwdm - rated dfb laser transmitter 100ghz itu grid, c - band low dispers ion dfb laser 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 4x fc compliant 1x/2x, gbe compliant* 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 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 4 . enhanced diagnostic features are available as described in the dwdm sfp msa 6 . (*when ordered with rate selection opti on , and used in low rate mode )
f i n i s a r finisar corporation page 2 rev d1 , aug .20 10 product selection fwlf16 34 r y xx product code frequency (thz) center wavelength (nm) fwlf1634 rl 17 191.7 1563.86 fwlf1634 rl 18 191.8 1563.05 fwlf1634 rl 19 191.9 1562.23 fwlf1634 rl 20 192.0 1561.42 fwlf1634 rl 21 192.1 1560.61 fwlf1634 rl 22 192.2 1559.79 fwlf1634 rl 23 192.3 1558.98 fwlf1634 rl 24 192.4 1558.17 fwlf1634 rl 25 192.5 1557.36 fwlf1634 rl 26 192.6 1556.55 fwlf1634 rl 27 192.7 1555.75 fwlf1634 rl 28 192.8 1554.94 fwlf1634 rl 29 192.9 1554.13 fwl f1634 rl 30 193.0 1553.33 fwlf1634 rl 31 193.1 1552.52 fwlf1634 rl 32 193.2 1551.72 fwlf1634 rl 33 193.3 1550.92 fwlf1634 rl 34 193.4 1550.12 fwlf1634 rl 35 193.5 1549.32 fwlf1634 rl 36 193.6 1548.51 fwlf1634 rl 37 193.7 1547.72 fwlf1634 rl 38 193.8 1546.92 fwlf163 4 rl 39 193.9 1546.12 fwlf1634 rl 40 194.0 1545.32 fwlf1634 rl 41 194.1 1544.53 fwlf1634 rl 42 194.2 1543.73 fwlf1634 rl 43 194.3 1542.94 fwlf1634 rl 44 194.4 1542.14 fwlf1634 rl 45 194.5 1541.35 fwlf1634 rl 46 194.6 1540.56 fwlf1634 rl 47 194.7 1539.77 fwlf1634 rl 4 8 194.8 1538.98 fwlf1634 rl 49 194.9 1538.19 fwlf1634 rl 50 195.0 1537.40 fwlf1634 rl 51 195.1 1536.61 fwlf1634 rl 52 195.2 1535.82 fwlf1634 rl 53 195.3 1535.04 fwlf1634 rl 54 195.4 1534.25 fwlf1634 rl 55 195.5 1533.47 fwlf1634 rl 56 195.6 1532.68 fwlf1634 rl 57 19 5.7 1531.90 fwlf1634 rl 58 195.8 1531.12 fwlf1634 rl 59 195.9 1530.33 fwlf1634 rl 60 196.0 1529.55 fwlf1634 rl 61 196.1 1528.77 y l non rate selectable - 4x fibre channel xx dwdm wavelength (see table below)
fwlf1634r l xx dwdm sfp product specification C august 20 10 f i n i s a r finisar corporation page 3 rev d1 , aug .20 10 i. pin descriptions pin symbol name/description ref. 1 v eet transmitter ground (common with receiver ground) 1 2 t fault tra nsmitter fault 3 t dis transmitter disable. laser output disabled on high or open 2 4 mod_def(2) module 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 with in the 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 ee r 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 cc t transmitter power supply 17 v eet transmitter ground (common with receiver ground) 1 18 td+ transmitter 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 tran smitter 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 betwe en 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
fwlf1634r l xx dwdm sfp product specification C august 20 10 f i n i s a r finisar corporation page 4 rev d1 , aug .20 10 ii. absolute maximum ratings parameter symbol min typ max unit maximum supply voltage vcc - 0.5 4.7 v storage temper ature 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 3.1 3 3.30 3.50 v supply current icc 3 25 ma bol i nrush current i surge icc+30 ma bol maximum power pmax 1.25 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 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 1 2 0 ps 4 data output fall time t f 1 2 0 ps 4 los fault v los fault vcc C 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 cir cuit. 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 u p to specified value applied through the recommended power supply filtering network.
fwlf1634r l xx dwdm sfp product specification C august 20 10 f i n i s a r finisar corporation page 5 rev d1 , aug .20 10 iv. low speed signals parameter symbol min typ max units notes/conditions rx_los assert level - 4 2 - 36 dbm rx_los de - assert level - 34 - 28 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 ris ing 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_disabl e 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
fwlf1634r l xx dwdm sfp product specification C august 20 10 f i n i s a r finisar corporation page 6 rev d1 , aug .20 10 v. optical parameters 1 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 center wavelength C end of life c x - 100 x x + 100 pm x = specified center wave length center wavelength C bol offset c y - 25 y y + 25 pm y = specified center wavelength side mode suppression ratio smsr 30 db modulated optical rise/fall time t r / t f 120 ps unfiltered, 80% - 20% optical output power p out + 2 + 5 dbm av g. po wer coupled into smf - 28 ; see note 4 extinction ratio, (<=4.25g) omi 6. 0 db eol extinction ratio, sonet omi 8.2 db eol, rate select option only eye opening 10 % jitter generation, sonet 75 mui parameters per gr - 253 2 section 5.6 for oc - 48 b t otal jitter 59.8 ps (p - to - p ) deterministic jitter 28 .2 ps (p - to - p) reflectance r tx - 27 db tolerable back reflection br - 14 db see note 5 relative intensity noise rin - 120 db/hz dispersion power penalty dpp 3.0 db at 1600 ps/nm. see no te 6 receiver characteristics optical input wavelength p in 1520 1570 nm jitter generation , sonet 75 mui parameters per gr - 253 2 section 5.6 for oc - 48 b total jitter 61.8 ps (p - to - p ) deterministic jitter 2 5.9 ps (p - to - p ) optical input pow er (ber < 10 - 12 ) p in - 28 - 9 dbm 2.5 gb/s w/ prbs 2 23 - 1 eol , & rate select low option implemented optical input power (ber < 10 - 12 ) p in - 23 - 9 dbm 4.25 gb/s w/ prbs 2 7 - 1 eol optical input power C receiver damage threshold +6 dbm receiver r eflectance r rx - 27 db min - required osnr 0ps/nm osnr bb 22 db see note 7 min - required osnr 1600ps/nm osnr t 25 db see note 7 notes: 1. parameters are specified over temperature and voltage, at e nd of life , and for non - rate select option 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. o utput power of +3 to +7dbm is also supported; please contact your local finisar sales representatives for details. 5. tolerable back reflection is the max back reflection level at which the power penalty will be <1db. power penalty is measure d ove r fiber ( 16 00ps/nm) at ber = 10 - 12 with osnr set at 24db . 6. 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. disp ersion power penalty is the difference in rx power at a ber of 10 - 12 for 0ps/nm & 16 00 ps/nm 7 . rx power set between - 9dbm and - 18 dbm. data rate and pattern used same as specified for optical input pow er. measured as the minimum osnr to achieve a ber of 10 - 12 . optical filter bandwidth of 0.1nm is used in osnr measurement.
fwlf1634r l xx dwdm sfp product specification C august 20 10 f i n i s a r finisar corporation page 7 rev d1 , aug .20 10 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 spe cified 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 temperat ure 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. parameter symbol min typ max units notes/conditions data rate br 0. 155 4.25 gb/sec sonet oc - 3/ 12/48 compatible total link budget 26 30 db @ 4.25 gb/s, ber <10 - 12 w/ prbs 2 7 - 1. see note 1 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 de fined as p out C p in C typical connector losses. operating in low rate mode
fwlf1634r l xx dwdm sfp product specification C august 20 10 f i n i s a r finisar corporation page 8 rev d1 , aug .20 10 ix. serial communication protocol all finisar sfps support the 2 - wire serial communication protocol to p rovide 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 b e 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
fwlf1634r l xx dwdm sfp product specification C august 20 10 f i n i s a r finisar corporation page 9 rev d1 , aug .20 10 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 d rawing (units in inches [mm])
fwlf1634r l xx dwdm sfp product specification C august 20 10 f i n i s a r finisar corporation page 10 rev d1 , aug .20 10 xi. ordering information part number description fwlf1634 r y xx dwdm sfp with apd receiver y = l: non rate select xx = channel nu mber (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 generi c 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 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. documentatio n is available from finisar upon request. xiii . revision histo rl revision date description a 8 - 15 - 2007 document created. b 1 - 20 - 2008 modified by ff for prelimina rl customer distribution c 6 - 3 - 2008 modified to reflect new optical output power level c 1 8 - 25 - 08 updated rise/fall time to 120ps c2 2 - 23 - 09 replace dispersion noise penalty with min osnr requirement at
fwlf1634r l xx dwdm sfp product specification C august 20 10 f i n i s a r finisar corporation page 11 rev d1 , aug .20 10 xiv. for more information: finisar corporation 1308 moffett park drive sunnyvale, ca 94089 - 1133 tel. (4 08) 548 - 1000 fax (408) 541 - 6138 sales@finisar.com www.finisar.com

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