? finisar corporation C 7 - may - 1 6 rev. b 2 page 1 product specification 100m multirate parallel mmf 100 /128 g qsfp28 optical transceiver ftl c 9551 s epm product features ? hot - pluggable qsfp28 form factor ? supports 103.1gb/s to 112.2gb/s aggregate bit rates ? power dissipation < 3.5 w ? rohs - 6 compliant ? commercial case temper ature range of 0 c to 7 0 c ? single 3.3v power supply ? maximum link length of 100m on om4 multimode fiber (mmf) ? 4x25 gb/s 850mm vcsel - based transmitter ? 4x25 g electrical interface ? single mpo12 receptacle ? i2c management interface applications ? 100gbase - sr4 100g ethernet ? 128g fibre channel ? 4x28gb/s multimode otn finisars ftl c 9551 s epm 10 0 g qsfp28 transceiver modules are designed for use in 100 gigabit ethernet , 128gfc and 4x28g otn client links over multi mode fiber . they are compliant with the qsfp28 msa 1 , 128gfc 2 and ieee 802.3b m 100gbase - s r4 3 a nd caui - 4 3 . digital diagnostics functions are available via the i2c interf ace, as specified by the qsfp28 msa 1 an d finisar application note an - 21 42 4 . the transceiver is rohs - 6 compliant per directive 20 11/65/ e u 5 and finisar application note an - 2038 6 . product selection ftl c 9551 s epm s: 128gfc maximum bit rate (112.2 gb/s) e: 4x 25 g parallel optics p : pull tab release m : mpo receptacle
FTLC9551SEPM product specification C may 201 6 ? finisar corporation C 7 - may - 1 6 rev. b 2 page 2 i. pin descriptions figure 1 C qsfp28 - 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 26 gnd ground 1 27 modprsl module present 28 intl interrupt 29 vcc tx +3.3 v power supply transmitter
FTLC9551SEPM product specification C may 201 6 ? finisar corporation C 7 - may - 1 6 rev. b 2 page 3 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. circuit ground is internally isolated from chassis ground. ii. absolute maximum ratings module performance is not guaranteed beyond the operating range (see section vi). exceeding the limits below may damage the transceiver module permanently. parameter symbol min typ max unit ref. maximum supply voltage vcc - 0.5 4.0 v storage temperature t s - 40 85 ? c case operating temperature t op - 5 75 ? c relative humidity rh 15 8 5 % 1 receiver damage threshold , per lane p rdmg 5.5 dbm notes : 1. non - condensing. i ii . electrical characteristics ( eol, t op = 0 to 7 0 ? cc = 3.135 to 3.465 volts) parameter symbol min typ max unit ref. supply voltage vcc 3.135 3.4 65 v supply current icc 1.5 a module total power p 3.5 w 1 transmitter ? 25.78 28.05 gb/s ? 900 mv single - ended voltage tolerance vin,pp - 0.35 +3.3 v module stress input test per section 13.3.11.2.1, oif cei - 28g - vsr receiver ? 25.78 28.05 gb/s ? 100 400 mvpp 3 300 600 400 600 800 600 1200 eye width 0.57 ui eye height, differential 228 mv vertical eye closure vec 5.5 db transition time (20% to 80%) t r , t f 12 ps
FTLC9551SEPM product specification C may 201 6 ? finisar corporation C 7 - may - 1 6 rev. b 2 page 4 notes : 1. maximum total power value is specified across the full operational temperature and voltage range when cdrs are locked or a lack of input signal results in squelch being activated. if incorrect frequencies cause the cdrs to continuously attempt to lock, maximum power dissipation may reach 4.5 w. 2. 100ppm 3. output voltage is settable in 4 discrete ran ges via i2c. default range is 400 C 800 mv . i v. optical characteristics ( eol, t op = 0 to 7 0 ? cc = 3.135 to 3.4 65 volts ) optical characteristics are dependent on data rate and protocol. ethernet 100gbase - sr4, otu4, and 128g fibre channel optical characteristics are as follows: 100gbase - sr4 ethernet operation parameter symbol min typ max unit ref. transmitter ? signaling speed per lane 25.78125 100ppm gb/s 1 center wavelength 840 860 nm rms spectral width sw 0.6 nm average launch power per lane txp x - 8.4 2.4 dbm transmit oma per lane txoma - 6.4 3 dbm launch power [oma] minus tdec per lane p - tdec - 7.3 dbm tdec per lane tdec 4.3 dbm optical extinction ratio er 2 db optical return loss tolerance orl 12 db encircled flux flx >86% at 19 um <30% at 4.5 um average launch power of off transmitter, per lane - 30 dbm relative intensity noise rin db/hz transmitter eye mask definition {x1, x2, x3, y1, y2, y3} {0.3,0.38,0.45,0.35,0.41,0.5} 2 receiver ? signaling speed per lane 25.78125 100ppm gbd 3 center wavelength 840 860 nm damage threshold dt 3.4 dbm average receive power per lane rxp x - 10.3 2.4 dbm 4 receive power (oma) per lane rxoma 3 dbm receiver reflectance rfl - 12 db stressed receiver sensitivity (oma) per lane srs - 5.2 dbm stressed conditions: stressed eye closure sec 4.3 db stressed eye j2 jitter j2 0.39 ui stressed eye j4 jitter j4 0.53 ui oma of each aggressor lane 3 dbm stressed receiver eye mask definition {x1, x2, x3, y1, y2, y3} {0.28,0.5,0.5,0.33,0.33,0.4} 5 los de - assert los d - 1 2 dbm los assert los a - 30 dbm los hysteresis 0.5 2 db
FTLC9551SEPM product specification C may 201 6 ? finisar corporation C 7 - may - 1 6 rev. b 2 page 5 notes : 1. transmitter consists of 4 lasers operating at a maximum speed of 25.78125gb/s 100ppm each. 2. hit ratio 1.5 x 10 - 3 hits/sample. 3. receiver consists of 4 photodetectors operating at a maximum speed of 25.78125gb/s 100ppm each. 4. minimum value is informative only and not the principal indicator of signal strength . 5. hit ratio 5 x 10 - 5 hits/sample. otu4 and 128 g fibre channel operation parameter symbol min typ max unit ref. transmitter signaling speed per lane 27.95 2 8.05 gb/s 4 center wavelength 840 860 nm rms spectral width sw 0.6 nm average launch power per lane txp x - 9 2.4 dbm transmit oma per lane txoma - 7.1 3.0 dbm launch power [oma] minus tdec per lane p - tdec - 8.0 dbm tdec per lane tdec 5.0 db optical extinction ratio er 3 db encircled flux flx >86% at 19um, <30% at 4.5um dbm average launch power of off transmitter, per lane - 30 dbm transmitter eye mask definition {x1, x2, x3, y1, y2, y3} {0.31,0.41,0.46, 0.35,0.38,0.50} 5 optical return loss tolerance orl 12 db receiver signaling speed per lane 27.95 28.0 5 g b/s 6 center wavelength 840 860 nm damage threshold dt 3.4 dbm average receive power per lane rxp x - 10.9 2.4 dbm 7 receive power (oma) per lane rxoma 3.0 dbm receiver reflectance rfl - 12 db stressed receiver sensitivity (oma) per lane srs - 4.7 dbm 8 stressed receiver eye mask definition {x1, x2, x3, y1, y2, y3} {0.29,0.50,0.50, 0.35,0.35,0.40} 9 los de - assert los d - 13 dbm los assert los a - 30 dbm los hysteresis 0.5 2 db notes : 6. transmitter consists of 4 lasers operating at a maximum speed of 27.95 gb/s each for otu4 and 28.05 gb/s each for fibre channel . 7. hit ratio = 1.5 x 10 - 3 hits/sample. 8. receiver consists of 4 photodetectors operating at a maximum speed of 27.95 gb/s each for otu4 and 28.05 gb/s each for fibre channel . 9. minimum value is informative only and not the principal indicator of signal strength. 10. test conditions for measuring srs are defined as follows: stressed eye closure, lane under test sec 5.0 db stressed eye j2 jitter, lane under test j2 0.38 ui stressed eye j4 jitter, lane under test j4 0.51 ui oma of each aggressor lane 3 dbm stressed eye closure (sec) is measured per ieee 802.3 95.8.8 (reference [22]), but adjusted to 1x10 - 6 instead of 1x10 - 5 bit error ratio. thus sec is given by sec = 10log 10 [ oma/( 2* 4.2649 * r)] with r as defined by equation (95 - 3) in 95.8.5, the values of m1 and m2 in equation (95 - 3) are set to zero. the combination of the o/e and the oscilloscope used to measure the waveform has a fourth - order bessel - thomson filter response with a bandwidth of 19.34 ghz.
FTLC9551SEPM product specification C may 201 6 ? finisar corporation C 7 - may - 1 6 rev. b 2 page 6 11. hit ratio = 1 x 10 - 5 hits/sample. v. general spec ifications parameter symbol min typ max units ref. bit rate (all wavelengths combined) br 112.2 gb/s 1 bit error ratio @25.78gb/s ber1 5x10 - 5 2 bit error ratio @27.95gb/s ber2 10 - 6 3 bit error ratio @28.05gb/s ber3 5x10 - 5 2 maximum supported distances fiber type om3 mmf lmax1 70 m 4 om4 mmf lmax 2 100 m 4 notes : 1. supports 128gfc per t11 , 4x28g multimode otn and 100gbase - sr4 per ieee 802.3bm . 2. tested with a 2 31 C 1 prbs . 3. tested with a 2 31 C 1 prbs . the ber of 10 - 12 for the otu4 (112 gb/s) application code is required to be met only after forward error correction has been applied. itu - t g.sup39 defines the pre - fec ber to be met as 10 - 6 . the values for receiver sensitivity and optical path penalty measured at the rec eiver output at a ber of 10 - 6 will normally be conservative estimates of the values for receiver sensitivity and path penalty at the ber of 10 - 12 after the fec decoder. 4. requires fec on the host to support maximum distance. vi. environmental specifications finisar ftlc9551 qsfp28 transceivers have a commercial operating case temperature range of 0c to +70c. they can support temporary excursions to case temperatures of - 5c and +75c without permanent damage (see section ii). parameter sy mbol min typ max units ref. case operating temperature t op 0 7 0 c storage temperature t sto - 40 85 c v i i. regulatory compliance finisar ftlc 9551 qsfp28 transceivers are class 1 laser products. they are certified per the following standards: feature agency standard laser eye safety fda/cdrh cdrh 21 cfr 1040 and laser notice 50 laser eye safety tv en 60825 - 1:2007 en 60825 - 2:2004+a1+a2 electrical safety tv en 60950 electrical safety ul/csa class 3862.07 class 3862.87 copies of the referenced certificates will be available at finisar upon request.
FTLC9551SEPM product specification C may 201 6 ? finisar corporation C 7 - may - 1 6 rev. b 2 page 7 complies with fda performance standards for laser products except for deviations pursuant to laser notice no. 50, dated june 24, 2007. viii . digital diagnostics functions ftl c 9551 qsfp28 transceivers support the i2c - based d iagnostics interface specified by the qsfp28 msa 1 . see finisar appl ication note an - 21 42 ( title tbd) 4 . ix. memory contents per the qsfp28 msa 1 . se e finisar application note an - 21 42 ( title tbd) 4 . x i . mechanical specifications finisar ftl c 9551 qsfp28 transceivers are compatible w ith th e qsfp28 msa specification 1 . figure 2 . ftl c 9551 s epm mechanical dimensions . figure 3 . product label
FTLC9551SEPM product specification C may 201 6 ? finisar corporation C 7 - may - 1 6 rev. b 2 page 8 x i i. references 1. sff - 8665: qsfp+ 28gb/s 4x pluggable transceiver solution (qsfp28), rev 1. 9 , june 29 , 201 5 (and associated sff documents referenced therein ) i. sff - 8661 ii. sff - 8679 iii. sff - 8636 iv. sff - 8662 v. sff - 8663 vi. sff - 8672 vii. sff - 8683 2. 128gfc specification, per ansi t.11 fc - pi - 6 p . 3. ieee 802.3 bm , pmd type 10 0gbase - s r4 and caui - 4. 4. application note an - 20 42 (tbd), finisar corporation . 5. directive 20 11/65/eu of the european parliament and of the council, on the restriction of the use of certain hazardous substances in electrical and electronic equipment , july 1 , 2011. 6. application note an - 2038: finisar implementation of rohs compliant transceivers, finisar corporation, january 21, 2005. 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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