f i n i s a r ? finisar corporation preliminary and confidential page 1 rev b, august 2007 preliminary product specification long-reach dwdm sfp transceiver fwlf1634ryxx product features ? up to 4.25 gb/s bi-directional links ? high launch power (+3dbm min) ? hot-pluggable sfp footprint ? temperature-stabilized dwdm- rated dfb laser transmitter ? 100ghz itu grid, c-band ? low dispersion dfb laser ? 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 ? 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 finisar?s dense wavelength-division multip lexing (dwdm) transceivers offer dwdm transport with dramatically lower power and cost in a standard pluggable small form factor pluggable (sfp) package 1 . the fwlf1634r is designed expressly for service providers deploying dwdm networking equi pment in metropolitan access and core networks. basic digital diagnostic features for the fwlf1634r are implemented as described in finisar application note an-2030, ?digital di agnostic monitoring interface for optical transceivers? 4 . enhanced diagnostic features are av ailable as descri bed in the dwdm sfp msa 6 . (*when ordered with rate selection option, and used in low rate mode)
f i n i s a r ? finisar corporation preliminary and confidential page 2 rev b, august 2007 product selection fwlf1634ryxx l non rate selectable - 4x fibre channel v rate selectable - 1x, 2x, fibre channel, gigabit ethernet & oc-48 xx dwdm wavelength (see table below) y product code frequency (thz) center wavelength (nm) fwlf1634ry17 191.7 1563.86 fwlf1634ry18 191.8 1563.05 fwlf1634ry19 191.9 1562.23 fwlf1634ry20 192.0 1561.42 fwlf1634ry21 192.1 1560.61 fwlf1634ry22 192.2 1559.79 fwlf1634ry23 192.3 1558.98 fwlf1634ry24 192.4 1558.17 fwlf1634ry25 192.5 1557.36 fwlf1634ry26 192.6 1556.55 fwlf1634ry27 192.7 1555.75 fwlf1634ry28 192.8 1554.94 fwlf1634ry29 192.9 1554.13 fwlf1634ry30 193.0 1553.33 fwlf1634ry31 193.1 1552.52 fwlf1634ry32 193.2 1551.72 fwlf1634ry33 193.3 1550.92 fwlf1634ry34 193.4 1550.12 fwlf1634ry35 193.5 1549.32 fwlf1634ry36 193.6 1548.51 fwlf1634ry37 193.7 1547.72 fwlf1634ry38 193.8 1546.92 fwlf1634ry39 193.9 1546.12 fwlf1634ry40 194.0 1545.32 fwlf1634ry41 194.1 1544.53 fwlf1634ry42 194.2 1543.73 fwlf1634ry43 194.3 1542.94 fwlf1634ry44 194.4 1542.14 fwlf1634ry45 194.5 1541.35 fwlf1634ry46 194.6 1540.56 fwlf1634ry47 194.7 1539.77 fwlf1634ry48 194.8 1538.98 fwlf1634ry49 194.9 1538.19 fwlf1634ry50 195.0 1537.40 fwlf1634ry51 195.1 1536.61 fwlf1634ry52 195.2 1535.82 fwlf1634ry53 195.3 1535.04 fwlf1634ry54 195.4 1534.25 fwlf1634ry55 195.5 1533.47 fwlf1634ry56 195.6 1532.68 fwlf1634ry57 195.7 1531.90 fwlf1634ry58 195.8 1531.12 fwlf1634ry59 195.9 1530.33 fwlf1634ry60 196.0 1529.55 fwlf1634ry61 196.1 1528.77
fwlf1634ryxx dwdm sfp preliminary product specification ? august 2007 f i n i s a r ? finisar corporation preliminary and confidential page 3 rev b, august 2007 i. pin descriptions pin symbol name/description ref. 1 v eet transmitter ground (comm on 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 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 indicates normal operation 5 9 v eer receiver ground (common w ith transmitter ground) 1 10 v eer receiver ground (common w ith transmitter ground) 1 11 v eer receiver ground (common w ith 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 w ith transmitter ground) 1 15 v ccr receiver power supply 16 v cct transmitter power supply 17 v eet transmitter ground (comm on 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 transmitter ground (comm on 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 ? 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 ope ration without active control. 5. los is open collector output. should be pulled up with 4.7k ? 10kohms on host boa rd to a voltage between 2.0v and 5.5v. logic 0 indicates normal operati on; logic 1 indicate s 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 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 diagram of host board connector block pin numbers and names
fwlf1634ryxx dwdm sfp preliminary product specification ? august 2007 f i n i s a r ? finisar corporation preliminary and confidential page 4 rev b, august 2007 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 325 ma bol inrush 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 ? 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 120 ps 4 data output fall time t f 120 ps 4 los fault v los fault vcc ? 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 in put 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 norma l operation; logic 1 indica tes 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.
fwlf1634ryxx dwdm sfp preliminary product specification ? august 2007 f i n i s a r ? finisar corporation preliminary and confidential page 5 rev b, august 2007 iv. low speed signals parameter symbol min typ max units notes/conditions rx_los assert level -42 -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 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
fwlf1634ryxx dwdm sfp preliminary product specification ? august 2007 f i n i s a r ? finisar corporation preliminary and confidential page 6 rev b, august 2007 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 ? 20 0.2 0.3 nm full width, -20db from max. see note 3 center wavelength ? end of life c x - 100 x x + 100 pm x = specified center wavelength center wavelength ? 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 90 ps unfiltered, 80% -20% optical output power p out +3.0 +7 dbm avg. power coupled into smf-28 extinction ratio, sonet omi 8.2 db eol, rate select option only extinction ratio, (<=4.25g) omi 6.0 db eol eye opening 10 % jitter generation, sonet 75 mui parameters per gr-253 2 section 5.6 for oc-48 b total 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 4 relative intensity noise rin -120 db/hz dispersion power penalty dpp 3.0 db at 1600 ps/nm. see note 5 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 25.9 ps (p-to-p) optical input power (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 23 -1 eol optical input power ? receiver damage threshold +6 dbm receiver reflectance r rx -27 db dispersion noise penalty dnp 3.0 db at 1600ps/nm. see note 6 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. tolerable back reflection is the max b ack reflection level at which the power pena lty will be <1db. power penalty is measur ed over fiber (1600ps/nm) at ber = 10 -12 with osnr set at 24db. 5. dispersion power penalty is measured in loop back with osnr se t to 30 db. data rate and patte rn used same as specified for optical input power. dispersi on power penalty is the difference in rx power at a ber of 10 -12 for 0ps/nm & 1600ps/nm 6. dispersion noise penalty is measured in loop back with rx power set between -9dbm and -18dbm. data rate and pattern used same as specified for optical input po wer. dispersion noise penalty is th e difference in osnr at a ber of 10 -12 for 0ps/nm and 1600ps/nm
fwlf1634ryxx dwdm sfp preliminary product specification ? august 2007 f i n i s a r ? finisar corporation preliminary and confidential page 7 rev b, august 2007 vi. wavelength stabilization the laser transmitter will not be turned on un til its temperature is adjusted to ensure operation within the specified ch annel (x +/- 300pm). this te mperature stabilization time is dependent on the ambient temperature conditions , but will typically oc cur within 5 seconds of powering the device. the module will transm it 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 pr oducts 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 -23 -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 defined as p out ? p in ? typical connector losses. op erating in low rate mode
fwlf1634ryxx dwdm sfp preliminary product specification ? august 2007 f i n i s a r ? finisar corporation preliminary and confidential page 8 rev b, august 2007 ix. serial communi cation protocol all finisar sfps support the 2-wire serial co mmunication 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. fo r 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 diagno stic features as described in finisar applications note an- 2030 4 and sff-8472 5 , ?digital diagnostic monitoring inte rface for optical transceivers?. a controller ic that monitors system parameters such as la ser current, module temperature, transmitter power, and received po wer is accessible at address a2h. in addition, finisar?s dwdm sfps provide extended set of id inform ation 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 current dd bias 0 90 ma tx output power dd txpower -5 +10 dbm received average power dd rxpower -30 -7 dbm
fwlf1634ryxx dwdm sfp preliminary product specification ? august 2007 f i n i s a r ? finisar corporation preliminary and confidential page 9 rev b, august 2007 x. mechanical specifications finisar?s multi-rate dwdm small form f actor pluggable (sfp) transceivers are compatible with the dime nsions defined by the dwdm sfp multi-sourcing agreement (msa) 6 . figure 1. dwdm sfp outline dr awing (units in inches [mm])
fwlf1634ryxx dwdm sfp preliminary product specification ? august 2007 f i n i s a r ? finisar corporation preliminary and confidential page 10 rev b, august 2007 xi. ordering information part number description fwlf1634ryxx dwdm sfp with apd receiver y = l: non rate select y = v: rate select xx = channel number (see product selection on page 2) xii. references 1. small form factor pluggable (sfp) tran sceiver multi-source agreement (msa), september 2000. documentation is currently available from finisar upon request. 2. ?sonet transport systems: common gene ric 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 dia gnostic monitoring interface for optical transceivers?, finisar corporation, april 2002. 5. ?digital diagnostic monitori ng interface for optical transceivers rev 9.3?. sff document no. sff-8472. 6. specifications for dwdm sfp tr ansceiver draft 1.0.october 21 2005. documentation is availabl e 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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