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f i n i s a r ? finisar corporation august 2010 rev b page 1 product specification industrial temperature range 10gb/s 850nm multimode dat acom xfp optical transceiver FTLX8511D3BTL product features ? hot-pluggable xfp footprint ? supports 9.95gb/s to 10.5gb/s bit rates* ? power dissipation <1.5w ? rohs-6 compliant (lead-free) ? temperature range -40c to +85c ? single power supply: 3.3v ? maximum link length of 300m ? 850nm heated vcsel laser. ? duplex lc connector ? no reference clock required ? built-in digital diagnostic functions ? standard bail release mechanism applications ? 10gbase-sr/sw 10g ethernet ? 1200-mx-sn-i 10g fibre channel finisar?s FTLX8511D3BTL small form factor 10gb/s (xfp) transceivers are compliant with the current xfp multi-source agreement (msa) specification 1 now available with industrial temperature range of operation (-40c to +85c). they comply with 10- gigabit ethernet 10gbase-sr/sw per ieee 802.3ae and 10g fibre channel 1200-mx- sn-i. digital diagnostics functions are available via a 2-wire se rial interface, as specified in the xfp msa. the transceiver is rohs compliant and lead free per directive 2002/95/ec 3 , and finisar application note an-2038 4 . product selection FTLX8511D3BTL *contact finisar for higher data-rate support
FTLX8511D3BTL industrial temperature xfp sr specification ? august 2010 f i n i s a r ? finisar corporation august 2010 rev b page 2 i. pin descriptions pin logic symbol name/description ref. 1 gnd module ground 1 2 vee5 optional ?5.2 power supply ? not required 3 lvttl-i mod-desel module de-select; when held low allows the module to respond to 2-wire serial interface commands 4 lvttl-o interrupt interrupt (bar); indicates pres ence of an important condition which can be read over the serial 2-wire interface 2 5 lvttl-i tx_dis transmitte r disable; transmitter laser source turned off 6 vcc5 +5 power supply ? not required 7 gnd module ground 1 8 vcc3 +3.3v power supply 9 vcc3 +3.3v power supply 10 lvttl-i scl serial 2-wire interface clock 2 11 lvttl- i/o sda serial 2-wire interface data line 2 12 lvttl-o mod_abs module absent; indicates module is not present. grounded in the module. 2 13 lvttl-o mod_nr module not ready; finisar defines it as a logical or between rx_los and loss of lock in tx/rx. 2 14 lvttl-o rx_los receiver lo ss of signal indicator 2 15 gnd module ground 1 16 gnd module ground 1 17 cml-o rd- receiver inverted data output 18 cml-o rd+ receiver non- inverted data output 19 gnd module ground 1 20 vcc2 +1.8v power supply ? not required 21 lvttl-i p_down/rst power down; when high, places the module in the low power stand-by mode and on the falling edge of p_down initiates a module reset reset; the falling edge initiates a complete reset of the module including the 2-wire serial interface, equivalent to a power cycle. 22 vcc2 +1.8v power supply ? not required 23 gnd module ground 1 24 pecl-i refclk+ reference clock non-inverted input, ac coupled on the host board ? not required 3 25 pecl-i refclk- reference clock inverted input, ac coupled on the host board ? not required 3 26 gnd module ground 1 27 gnd module ground 1 28 cml-i td- transmitter inverted data input 29 cml-i td+ transmitter non-inverted data input 30 gnd module ground 1 notes : 1. module circuit ground is isolated from module chassis ground within the module. 2. open collector; should be pulled up with 4.7k ? 10k on host board to a voltage between 3.15v and 3.6v. 3. a reference clock input is not required by the FTLX8511D3BTL. if present, it will be ignored.
FTLX8511D3BTL industrial temperature xfp sr specification ? august 2010 f i n i s a r ? finisar corporation august 2010 rev b page 3 diagram of host board connector block pin numbers and name ii. absolute maximum ratings parameter symbol min typ max unit ref. maximum supply voltage vcc3 -0.5 4.0 v case operating temperature t op -40 +85 c
FTLX8511D3BTL industrial temperature xfp sr specification ? august 2010 f i n i s a r ? finisar corporation august 2010 rev b page 4 iii. electrical characteristics (t op = -40 to +85 c, v cc3 = 3.13 to 3.45 volts) parameter symbol min typ max unit ref. supply voltage vcc3 3.13 3.45 v supply current icc3 360 435 ma 1 module total power consumption p 1.2 1.5 w 1 transmitter input differential impedance r in 100 2 differential data input swing vin,pp 120 1000 mv transmit disable voltage v d 2.0 vcc v 3 transmit enable voltage v en gnd gnd+ 0.8 v transmit disable assert time 10 us receiver differential data output swing vout,pp 600 650 800 mv 4 data output rise time t r 40 ps 5 data output fall time t f 40 ps 5 los fault v los faul t vcc ? 0.5 vcc host v 6 los normal v los nor m gnd gnd+0.5 v 6 power supply rejection psr see note 7 below 7 notes : 1. maximum total power consumption value is specified across the full temperature and voltage range. typical current at -40c is ~400ma. 2. after internal ac coupling. 3. or open circuit. 4. into 100 ohms differential termination. 5. 20 ? 80 %. 6. loss of signal is open collector to be pulled up with a 4.7k ? 10k resistor to 3.15 ? 3.6v. logic 0 indicates normal operation; logic 1 indicates no signal detected. 7. per section 2.7.1. in the xfp msa specification 1 .
FTLX8511D3BTL industrial temperature xfp sr specification ? august 2010 f i n i s a r ? finisar corporation august 2010 rev b page 5 iv. optical characteristics (t op = -40 to +85 c, v cc3 = 3.13 to 3.45 volts) parameter symbol min typ max unit ref. transmitter optical modulation amplitude (oma) p oma -2.8 -1.5 dbm average optical power p ave -5.0 -1.0 1 optical wavelength 840 850 860 nm rms spectral width rms 0.4 0.45 db optical extinction ratio er 3.0 5.5 db transmitter and dispersion penalty tdp 3.9 db average launch power of off transmitter p off -30 dbm tx jitter tx j per 802.3ae requirements encircled flux <4.5 receiver receiver sensitivity (oma) @ 10.5gb/s r sens1 -11.1 dbm 3 stressed receiver sensitivity (oma) @ 10.3gb/s r sens2 -7.5 dbm 4 maximum input power p max +0.5 dbm wavelength range average power figures are informative only, per ieee 802.3ae. 2. measured into type a1a (50/125 m multimode) fiber per ansi/tia/eia-455-203-2. 3. measured with worst er; ber<10 -12 ; 2 31 ? 1 prbs. 4. per ieee 802.3ae.
FTLX8511D3BTL industrial temperature xfp sr specification ? august 2010 f i n i s a r ? finisar corporation august 2010 rev b page 6 v. general specifications parameter symbol min typ max units ref. bit rate br 9.95 10.5 gb/s 1 bit error ratio ber see note 2 2 maximum supported distances fiber type 850nm ofl bandwidth 62.5 m 160mhz-km lmax 26 m om1 200mhz-km 33 50 m 400mhz-km lmax 66 m om2 500mhz-km 82 om3 2000mhz-km 300 notes : 1. 10gbase-sr/sw, 1200-mx-sn-i. contact finisar for higher data-rate support. 2. 10gbase-sr/sw, 1200-mx-sn-i tested with 2 31 ? 1 prbs @ 10 -12 ber. vi. environmental specifications this finisar xfp transceiver model has an operating temperature range from -40c to +85c case temperature. parameter symbol mi n typ max units ref. case operating temperature t op -40 85 c 1 storage temperature t sto -40 85 c notes : 1. warm-up time at -40c case temperature is 10 seconds. vii. regulatory compliance finisar xfp transceivers are class 1 laser products. they are certified per the following standards: feature agency standard certificate number laser eye safety fda/cdrh iec60825 9210176-77 laser eye safety tv en60825 r72101686 electrical safety tv en 60950 r72101686 electrical safety ul/csa class 3862.07 class 3862.87 2283290 copies of the referenced certificates w ill be available at finisar corporation upon request.
FTLX8511D3BTL industrial temperature xfp sr specification ? august 2010 f i n i s a r ? finisar corporation august 2010 rev b page 7 viii. digital diagnostic functions as defined by the xfp msa 1 , finisar xfp transceivers provide digital diagnostic functions via a 2-wire serial interface, wh ich allows real-time access to the following operating parameters: ? transceiver temperature ? laser bias current ? transmitted optical power ? received optical power ? transceiver supply voltage it also provides a sophisticated system of al arm and warning flags, which may be used to alert end-users when particular operating para meters are outside of a factory-set normal range. the operating and diagnostics information is monitored and reported by a digital diagnostics transceiver controller (ddtc) inside the transceiver, which is accessed through the 2-wire serial interf ace. when the serial protocol is activated, the serial clock signal (scl pin) is generated by the host. the positive edge clocks data into the xfp transceiver into those segments of its memo ry map that are not write-protected. the negative edge clocks data from the xfp transcei ver. the serial data signal (sda pin) is bi-directional for serial data transfer. th e host uses sda in conjunction with scl to mark the start and end of serial protocol activation. the memories are organized as a series of 8-bit data words th at can be addressed individua lly or sequentially. the 2-wire serial interface provides sequential or random access to the 8 bit parameters, addressed from 000h to the maximum address of the memory. for more detailed information including me mory map definitions, please see finisar application note an-2035 ?digital diagnosti c monitoring interface for xfp optical transceivers?, or the xfp msa specification 1 .
FTLX8511D3BTL industrial temperature xfp sr specification ? august 2010 f i n i s a r ? finisar corporation august 2010 rev b page 8 ix. mechanical specifications finisar?s xfp transceivers are compliant w ith the dimensions defined by the xfp multi- sourcing agreement (msa). bail color is beige. xfp transceiver (dimensions are in mm) unl a tch ed 8.50 13.30 16.00 20.85 39.00 r1.00 la tche d 18.35 77.95 22.15
FTLX8511D3BTL industrial temperature xfp sr specification ? august 2010 f i n i s a r ? finisar corporation august 2010 rev b page 9 x. pcb layout and bezel recommendations xfp host board mechanical layout (dimensions are in mm)
FTLX8511D3BTL industrial temperature xfp sr specification ? august 2010 f i n i s a r ? finisar corporation august 2010 rev b page 10 xfp detail host board mechanical layout (dimensions are in mm) xfp recommended bezel design (dimensions are in mm)
FTLX8511D3BTL industrial temperature xfp sr specification ? august 2010 f i n i s a r ? finisar corporation august 2010 rev b page 11 xi. references 1. 10 gigabit small form factor pluggabl e module (xfp) multi-source agreement (msa), rev 4.5 - august 2005. documenta tion is currently available at http://www.xfpmsa.org/ 2. application note an-2035: ?digital di agnostic monitoring interface for xfp optical transceivers? ? finisa r corporation, december 2003 3. 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. 4. ?application note an-2038: finisar im plementation of rohs compliant transceivers?, finisar corporation, january 21, 2005. xii. for more information finisar corporation 1389 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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