f i n i s a r ? finisar corporation june 10, 2009 rev a1 page 1 product specification 1.25gb/s rohs compliant long-wavelength pluggable sfp transceiver FTLF1518P1BTL product features ? up to 1.25gb/s bi-directional data links ? hot-pluggable sfp footprint ? built-in digital diagnostic functions ? uncooled 1550nm dfb laser transmitter ? duplex lc connector ? rohs compliant and lead free ? metal enclosure, for lower emi ? single 3.3v power supply ? up to 80 km on 9/125 m smf ? low power dissipation typically <700mw ? industrial operating temperature range: -40c to 85c applications ? gigabit ethernet ? 1x fibre channel finisar?s FTLF1518P1BTL small form fact or pluggable (sfp) transceivers are compatible with the small form factor pluggable multi-sourcing agreement (msa) 1 . they simultaneously comply with gigabit ethernet as specified in ieee std 802.3 2 , and 1x fibre channel as defined in fc-pi-4 rev 8.00 3,4 . they are rohs compliant and lead- free per directive 2002/95/ec 5 and finisar applicatio n note an-2038. digital diagnostics functions are avai lable via the 2-wire serial bus specified in the sfp msa. product selection FTLF1518P1BTL
FTLF1518P1BTL pluggable sfp prod uct specification ? june 2009 ? finisar corporation june 10, 2009 rev a1 page 2 i. pin descriptions pin symbol name/description ref. 1 v eet transmitter ground (comm on with receiver ground) 1 2 t fault transmitter fault. not supported. 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. ac coupled. 19 td- transmitter inverted data in. ac coupled. 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 - 10 kohms on host board to a voltage between 2.0v and 3.6v. mod_def(0) pulls line low to indicate module is plugged in. 4. finisar ftlfxx19xxxxx transceivers operate at 1x and 2x fibre channel, and gigabit ethernet data rates and respective protocols without active control. 5. los is open collector output. should be pulled up with 4.7k ? 10 kohms on host board to a voltage between 2.0v and 3.6v. 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 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 pinout of connector block on host board
FTLF1518P1BTL pluggable sfp prod uct specification ? june 2009 ? finisar corporation june 10, 2009 rev a1 page 3 ii. absolute maximum ratings parameter symbol min typ max unit ref. maximum supply voltage vcc -0.5 4.5 v storage temperature t s -40 85 c case operating temperature t op -40 85 c relative humidity rh 0 85 % 1 iii. electrical characteristics (t op = -40 to 85 c, v cc = 3.00 to 3.60 volts) parameter symbol min typ max unit ref. supply voltage vcc 3.15 3.60 v supply current icc 200 300 ma transmitter input differential impedance r in 100 2 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 3 transmit disable assert time 10 us receiver single ended data output swing vout,pp 300 400 800 mv 4 data output rise time t r 100 175 ps 5 data output fall time t f 100 175 ps 5 los fault v los fault vcc ? 0.5 vcc host v 6 los normal v los norm vee vee+0.5 v 6 power supply rejection psr 100 mvpp 7 deterministic jitter contribution rx non condensing. 2. connected directly to tx data input pins. ac coupled thereafter. 3. or open circuit. 4. into 100 ohms differential termination. 5. 20 ? 80 % 6. loss of signal is lvttl. logic 0 in dicates normal operation; logic 1 indicates no signal detected. 7. receiver sensitivity is compliant w ith power supply sinusoidal modulati on of 20 hz to 1.5 mhz up to specified value applied through the recommended po wer supply filtering network. valid on receive side for input powers within receive sensitivity. 8. measured with dj-free data input signal. in actual application, output dj will be the sum of input dj and dj.
FTLF1518P1BTL pluggable sfp prod uct specification ? june 2009 ? finisar corporation june 10, 2009 rev a1 page 4 iv. optical characteristics (t op = -40 to 85 c, v cc = 3.00 to 3.60 volts) parameter symbol min typ max unit ref. transmitter output opt. pwr: 9/125 smf p out 0 5 dbm 1 optical wavelength 1540 1570 nm 2 spectral width (-20db) 1 nm 2 optical extinction ratio er 9 db optical modulation amplitude oma 174 w 2,3 sidemode supression ratio ssr min 30 db optical rise/fall time t r / t f 180 ps 4 relative intensity noise rin -120 db/hz deterministic jitter contribution rx receiver average rx sensitivity r sens -22 dbm 6, 7 stressed rx sens. =1.25 gb/s -18 -14.5 dbm average received power rx max 0 dbm receiver elec. 3 db cutoff freq. 1500 mhz optical center wavelength c 1270 1600 nm return loss 12 db los de-assert los d -23 dbm los assert los a -32 dbm los hysteresis 0.5 db notes : 1. class 1 laser safety per fda/cdrh and en (iec) 60825 regulations. 2. meets curve in fc-pi-4 rev 8.00 figure 21, which allows trade-off between wavelength, spectral width and oma. 3. equivalent extinction ratio specification for fibre channel. allows smaller er at higher average power. 4. unfiltered, 20-80%. complies with ieee 802.3 (gig. e), fc 1x eye mask when filtered. 5. measured with dj-free data input signal. in actual application, output dj will be the sum of input dj and dj. 6. measured with conformance signals defined in fc-pi-4 rev 8.00 specifications. 7. measured with prbs 2 7 -1 at 10 -12 ber
FTLF1518P1BTL pluggable sfp prod uct specification ? june 2009 ? finisar corporation june 10, 2009 rev a1 page 5 v. general specifications parameter symbol min typ max units ref. data rate br 1062 1250 mb/sec 1 bit error rate ber 10 -12 2 max. supported link length on 9/125 m smf @ gigabit ethernet l max 88 km 3, 4 notes : 1. gigabit ethernet and 1x fibre channel compliant. 2. tested with a prbs 2 7 -1 test pattern. 3. dispersion limited per fc-pi-4 rev 8.00 4. attenuation of 0.25 db/km is used for the link length calculations. distances are indicative only and are calculated solely on link budget. a 2db penalty is included for dispersion on >2gb/s data rates. please refer to the optical specifications in table iv to calculate a more accurate link budget based on specific conditions in your application. vi. environmental specifications finisar 1550nm sfp transceivers have an ex tended operating temperature range from -40c to +85c case temperature. parameter symbol min typ max units ref. case operating temperature t op -40 85 c storage temperature t sto -40 85 c vii. regulatory compliance finisar transceivers are cla ss 1 laser products and comply with us fda regulations. these products are certified by tv and csa to meet the class 1 eye safety requirements of en (iec) 60825 and the electrical safety requirements of en (iec) 60950. copies of certificates are av ailable at finisar co rporation upon request. copies of the referenced cer tificates are available at fi nisar corporation upon request.
FTLF1518P1BTL pluggable sfp prod uct specification ? june 2009 ? finisar corporation june 10, 2009 rev a1 page 6 viii. digital diagnostic functions finisar FTLF1518P1BTL sfp transceivers s upport the 2-wire serial communication protocol as defined in the sfp msa 1 . it is very closely related to the e 2 prom defined in the gbic standard, with the sa me electrical specifications. the standard sfp serial id pr ovides access to identification information that describes the transceiver?s capabilities, standard in terfaces, manufacturer, and other information. additionally, finisar sfp transceivers provi de a unique enhanced digital diagnostic monitoring interface, which al lows real-time access to devi ce operating parameters such as transceiver temperature, laser bias current, transmitted optical power, received optical power and transceiver supply voltage. it also defines a sophisticated system of alarm and warning flags, which alerts end-users when pa rticular operating parameters are outside of a factory set normal range. the sfp msa defines a 256-byte memory map in e 2 prom that is accessible over a 2-wire serial interface at the 8 bit address 1010000x (a0h). the digital diagnostic monitoring interface makes use of the 8 b it address 1010001x (a2h), so the originally defined serial id memory map remains uncha nged. the interface is id entical to, and is thus fully backward compatible with both the gbic specification and the sfp multi source agreement. the complete interface is described in finisar application note an- 2030: ?digital diagnostics monitoring inte rface for sfp optical transceivers?. the operating and diagnostics informati on is monitored and reported by a digital diagnostics transceiver controller (ddtc) inside the transceiver, which is accessed through a 2-wire serial interface. when the seri al protocol is activated, the serial clock signal (scl, mod def 1) is generated by the host. the positive edge clocks data into the sfp transceiver into those segments of the e 2 prom that are not write-protected. the negative edge clocks data from the sfp transc eiver. the serial data signal (sda, mod def 2) is bi-directional for serial data tr ansfer. the host uses sda in conjunction with scl to mark the start and end of serial pr otocol activation. the memories are organized as a series of 8-bit data words that can be addressed individually or sequentially. for more information, please see the sfp msa documentation 1 or finisar application note an-2030. digital diagnostics for the FTLF1518P1BTL are externally calibrated by default. please note that evaluation board fdb- 1018 is available with finisar moddemo software that allows simple to use comm unication over the 2-wire serial interface.
FTLF1518P1BTL pluggable sfp prod uct specification ? june 2009 ? finisar corporation june 10, 2009 rev a1 page 7 ix. mechanical specifications finisar?s FTLF1518P1BTL small form factor pluggable (sfp) transceivers are compatible with the dimensions defined by the sfp multi-sourcing agreement (msa). FTLF1518P1BTL
FTLF1518P1BTL pluggable sfp prod uct specification ? june 2009 ? finisar corporation june 10, 2009 rev a1 page 8 x. pcb layout and bezel recommendations
FTLF1518P1BTL pluggable sfp prod uct specification ? june 2009 ? finisar corporation june 10, 2009 rev a1 page 9
FTLF1518P1BTL pluggable sfp prod uct specification ? june 2009 ? finisar corporation june 10, 2009 rev a1 page 10 xi. references 1. small form factor pluggable (sfp) tran sceiver multi-source agreement (msa), september 2000. documentation is currently available at finisar upon request. 2. ieee std 802.3. ieee standards department, 2002. 3. ?fibre channel draft physical inte rface specification (fc-pi-4 rev 8.00)?. american national standard for information systems.(*) 4. ?fibre channel physical and signali ng interface (fc-ph, fc-ph2, fc-ph3)?. american national standard for information systems. 5. directive 2002/95/ec of the european council parliament and of the council, ?on the restriction of the use of certain hazardous substances in electrical and electronic equipment.? january 27, 2003. (*) fc-pi-4 rev 8.00 does not specify a 1550n m dfb interface for extended reach applications. the FTLF1518P1BTL complies with this standard, except for the optical output power. see section iv for details. xii. for more information finisar corporation 1389 moffett park drive sunnyvale, ca 94089-1134 tel. 1-408-548-1000 fax 1-408-541-6138 sales@finisar.com www.finisar.com
|
