? finisar corporation C 8 - sep - 1 5 rev a 7 preliminary page 1 preliminary product specification 100g quadwire ? qsfp28 active optical cable fc b n 425 q b 1cxx product features ? four - channel full - duplex active optical cable ? multirate capability : 1 0 gb /s to 28 gb/s per channel ? qsfp 28 high - density form factor ? reliable vcsel array technology using m ultimode fiber ? round ofnp - rated cable ? hot pluggable ? low p ower dissipation: < 3 .5w per cable end (<2 .5w with cdrs off) ? commercial operating case temperature range: 0 o c to 7 0 oc ? rohs - 6 compliant c omp l iant to rohs directive 2011 /65/eu applications ? infinib and 4x e dr , 4x f dr , 4xqdr ? 10/25/ 40/ 10 0g ethernet ? 4g/8g/ 16 g /32 g fibre channel ? sas3 ? proprietary hpc interconnections product selection (standard lengths * ) fcb n 425 qb1c0 1 1 - meter cable fcb n425 qb1c0 3 3 - meter cable fcb n 425 qb1c05 5 - meter cable fcb n 425 qb1c10 10 - meter cable fcb n 425 qb1c1 5 1 5 - meter cable fcb n 425 qb1c20 20 - meter cable fcb n 425 qb1c30 30 - meter cable fcb n 425 qb1c50 50 - meter cable fcb n 425 qb1c x 0 10 0 - meter cable *for availability of additional cable lengths or cable types , please contact finisar .
fcbn425qb1cxx preliminary product specification C s eptember 201 5 ? finisar corporation C 8 - sep - 1 5 rev a 7 preliminary page 2 i. pin descriptions figure 1 C q sfp 28 - compliant 38 - pin connector (per sff - 8679) pin symbol name/description notes 1 gnd ground 1 2 tx2n transmitter inverted data input 3 tx2p transmitter non - inverted data input 4 gnd ground 1 5 tx4n transmitter inverted data input 6 tx4p transmitter non - inverted data input 7 gnd ground 1 8 modsell module select 9 resetl module reset 10 vcc rx +3.3 v power supply receiver 11 scl 2 - wire serial interface clock 12 sda 2 - wire serial interface data 13 gnd ground 1 14 rx3p receiver non - inverted data output 15 rx3n receiver inverted data output 16 gnd ground 1 17 rx1p receiver non - inverted data output 18 rx1n receiver inverted data output 19 gnd ground 1 20 gnd ground 1 21 rx2n receiver inverted data output 22 rx2p receiver non - inverted data output 23 gnd ground 1 24 rx4n receiver inverted data output 25 rx4p receiver non - inverted data output
fcbn425qb1cxx preliminary product specification C s eptember 201 5 ? finisar corporation C 8 - sep - 1 5 rev a 7 preliminary page 3 26 gnd ground 1 27 modprsl module present 28 intl interrupt 29 vcc tx +3.3 v power supply transmitter 30 vcc1 +3.3 v power supply 31 lpmode low power mode 32 gnd ground 1 33 tx3p transmitter non - inverted data input 34 tx3n transmitter inverted data input 35 gnd ground 1 36 tx1p transmitter non - inverted data input 37 tx1n transmitter inverted data input 38 gnd ground 1 notes 1. c ircuit g round is in ternally isolated from chassis g round. ii. general product c haracteristics parameter value unit notes module form factor qsfp 28 as defined by sff - 8661 number of lanes 4 tx and 4 rx maximum a ggregate data rate 103.125 gb /s maximum data rate per lane 25.78125 gb /s standard cable l ength s 1, 3, 5, 10, 15, 20, 30, 50 , 100 m eters other lengths may be available upon reques t protocols supported typi cal applications include infinib and qdr/fdr/edr , 10/25/ 40g /100g ethernet, 4/8/16/32g fibre channel, sas3 electrical interface and pin - out 38 - pin edge connector pin - out as defined by sff - 8679 standard optical cable type multimode round fiber cable, plenum - rated ofnp maximum power consumption per end 3 .5 (retimed tx ) 2 .5 (unretimed) w atts varies with output voltage swing and pre - emphasis settings management interface serial, i2c - based , 450 khz maximum frequency as defi ned by sff - 86 36 data rate specifications symbol min typ max units ref. bit rate per lane br 1 0 .00000 25.781.25 28.05 g b/sec 1 bit error ratio ber 10 - 12 2 notes : 1. supports infiniband qdr/fdr/edr , 10 / 25/ 40/100 gigabit ethernet and 8/ 16 / 32 g fibre channel applications . 2. tested with a prbs 2 31 - 1 test pattern.
fcbn425qb1cxx preliminary product specification C s eptember 201 5 ? finisar corporation C 8 - sep - 1 5 rev a 7 preliminary page 4 iii. absolute maximum ratings parameter symbol min typ max unit ref. maximum supply voltage vcc 1, vcctx, vccrx - 0.5 3.6 v storage temperature t s - 4 0 8 5 ? c 1 case operating temperature t op 0 7 0 ? c relative humidity rh 0 85 % 2 notes : 1. assumes no mechanical load force on the unit. ensuring no mechanical load force requires a cable bend radius of >105 mm within 100 mm of either cable end module and >60 mm on the rest of the ca ble. 2. non - condensing. iv. electrical characteristics (t op = 0 to 7 0 ? cc = 3.3 5% volts) note: the quadwire edr requires an electrical connector compliant with sff - 8662 or sff - 8672 be used on the host board to guarantee its electrical interface specification. please check with your connector supplier. parameter symbol min typ max unit ref. supply voltage vcc1, vcctx, vccrx 3.15 3.45 v supply current icc tbd ma power dissipation per cable end p 3 .5 w 1, 2 link turn - on time ? transmitter (per lane) ? v differential data input swing vin,pp mvpp differential input threshold mv ac common mode input voltage tolerance (rms) mv differential input return loss db j2 jitter tolerance jt2 ui 4 j9 jitter tolerance jt9 ui 4 data dependent pulse width shrinkage ddpws ui eye mask coordinates {x1, x2 y1, y2} ui mv receiver (per lane) ? v differential data output swing vout,pp mvpp ac common mode output voltage (rms) mv termination mismatch at 1 mhx % differential output return loss db common mode output return loss db output transition time, 20% to 80% ps j2 jitter output jo2 ui 4 j9 jitter output jo9 ui 4 eye mask coordinates {x1, x2 y1, y2} ui mv power supply ripple tolerance psr mvpp per oif cei - 28g - vsr and caui - 4 requirements per oif cei - 28g - vsr and caui - 4 requirements
fcbn425qb1cxx preliminary product specification C s eptember 201 5 ? finisar corporation C 8 - sep - 1 5 rev a 7 preliminary page 5 notes : 1. maximum total power value is specified across the full temperature and voltage range. 2. settable in various discrete steps via the i2c interface. 3. from power - on and end of any fault conditions. 4. for jitter performance depending on cdr configuration, see below jitter w ith tx and rx cdr s enabled jitter (measured at tp1) symbol min typ max unit ref total jitter input itlj pp 0.62 ui 1,2,3,5 deterministic jitter input idlj pp 0.42 ui 1,2,3,5 j2 jitter tolerance ilj2 pp 0.5 ui 2,3,5 j9 jitter tolerance ilj9 pp 0.58 ui 2,3,5 jitter (measured at tp4) symbol min typ max unit ref total jitter output otlj pp 0.45 ui 1,3,4,5 deterministic jitter output odlj pp 0.3 ui 1,3,4,5 j2 jitter olj2 pp 0.34 ui 3,4,5 j9 jitter olj9 pp 0.43 ui 3,4,5 notes : 1. 28gbps prbs2 ^31, ber 10^ - 12. 2. measured at tp1, minimum input voltage. 3. all channels are on for worst condition crosstalk. 4. measured at tp4 with itlj= 0.62ui , idlj= 0.42ui at tp1, max temp. 5. these jitter values provided are for information only, they do not include the noise impact of the test o:e receiver required to measure them. jitter with tx and rx cdrs in bypass jitter (measured at tp1) symbol min typ max unit ref total jitter input itlj pp 0.25 ui 1,2,3,5 deterministic jitter input idlj pp 0.05 ui 1,2,3,5 data depended pulse width shrinkage ddpws pp 0.01 ui 1,2,3,5 j2 jitter tolerance ilj2 pp 0.12 ui 1,2,3 ,5 j9 jitter tolerance ilj9 pp 0.23 ui 1,2,3,5
fcbn425qb1cxx preliminary product specification C s eptember 201 5 ? finisar corporation C 8 - sep - 1 5 rev a 7 preliminary page 6 jitter (measured at tp4) symbol min typ max unit ref total jitter output otlj pp 0.82 ui 1,3,4,5 deterministic jitter output odlj pp 0.42 ui 1,3,4,5 data depended pulse width shrinkage olj2 pp 0.36 ui 1,2,3,5 j2 jitter ddpws 0.45 ui 1,3,4,5 j9 jitter olj2 pp 0.72 ui 3,4,5 notes : 1. 28gbps prbs2^31, ber 10^ - 12. 2. measured at tp1, minimum input voltage. 3. all channels are on for worst condition crosstalk. 4. measured at tp4 with itlj=.25ui, idlj=.05ui at tp1, max temp. 5. these jitter values provided are for information only, they do not include the noise impact of the test o:e receiver required to measure them. jitter with tx cdr enabled and rx cdr in bypass jitter (measured at tp1) symbol min typ max unit ref total jitter input itlj pp 0.62 ui 1,2,3,5 deterministic jitter input idlj pp 0.42 ui 1,2,3,5 j2 jitter tolerance ilj2 pp 0.5 ui 2,3,5 j9 jitter tolerance ilj9 pp 0.58 ui 2,3,5 jitter (measured at tp4) symbol min typ max unit ref total jitter output otlj pp 0.82 ui 1,3,4,5 deterministic jitter output odlj pp 0.42 ui 1,3,4,5 data depended pulse width shrinkage olj2 pp 0.36 ui 1,2,3,5 j2 jitter ddpws 0.45 ui 1,3,4,5 j9 jitter olj2 pp 0.72 ui 3,4,5 notes : 1. 28gbps prbs2^31, ber 10^ - 12. 2. measured at tp1, minimum input voltage. 3. all channels are on for worst condition crosstalk. 4. measured at tp4 with itlj=.25ui, idlj=.05ui at tp1, max temp. 5. these jitter values provided are for information only, they do not include the noise impact of the test o:e receiver req uired to measure them. v. memory map and control registers compatible with sff - 8 636 . more details to be provided in a future application note.
fcbn425qb1cxx preliminary product specification C s eptember 201 5 ? finisar corporation C 8 - sep - 1 5 rev a 7 preliminary page 7 vi. environmental specifications finisar quadwire edr active optical cables have an operating temperature range from 0c to +70c case temperature. environmental specifications symbol min typ max units ref. case operating temperature t op 0 70 c storage temperature t sto - 1 0 7 0 c vii. regulatory compliance finisar quadwire edr active optical cables are rohs - 6 compliant. copies of certificates to be available at finisar corporation upon request. quadwire edr active optical cables are class 1 laser eye safety compliant per iec 60825 - 1. standard f iber cable type is round - secti on construction, plenum - rated . other cable types can be supported upon request. viii. mechanical specifications the quadwire edr mechanical specification s are compliant with the qsfp 28 transceiver m odule specifications (as defined in sff - 8661) , substituting the mpo 12 receptacle with a fiber optics cable connecting both ends . figure 2 C quadwire edr mechanical drawing (preliminary)
fcbn425qb1cxx preliminary product specification C s eptember 201 5 ? finisar corporation C 8 - sep - 1 5 rev a 7 preliminary page 8 insertion, extraction and retention forces min max units notes cable proof (tensile) test (0 o ) 44.0 newtons cable proof (tensile) test (90 o ) 33.0 newtons impact 8 cycles 1.5m drop flex 8.9 newtons twist 13.0 newtons module retention 90 n/a newtons no damage below 90n host connector retention 180 n/a newtons no damage below 180n
fcbn425qb1cxx preliminary product specification C s eptember 201 5 ? finisar corporation C 8 - sep - 1 5 rev a 7 preliminary page 9 ix. references 1. infiniband? architecture release, vol. 2 C physical specifications, rev. 1.3, november 2012. 2. sff - 8 665 C qsfp+ 28gb/s 4x pluggable transceiver solution (qsfp28), rev 1.8, may, 2013. 3. sff - 8 6 3 6 C specification for common management interface, rev 1.7, january 2014. 4. caui - 4 retimed 4x25g electrical interface, to be defined by ieee 802.3 5. cei - 28g - vsr implementation agreement , per oif 2012.290.00 6. directive 20 11 / 65/eu of the european council parliament and of the council, on the restriction of the use of certain hazardous substances in electrical and electronic equipment . certain products may use one or more exemptions as allowed by the directive. x. for more information finisar corporation 13 89 moffett park drive sunnyvale, ca 94089 - 1133 tel. 1 - 408 - 548 - 1000 fax 1 - 408 - 541 - 6138 sales@finisar.com www.finisar.com
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