产品介绍： sfp千兆单模模块-(1310nm,20km,lc) 产品特点： features dual data-rate of 1.25gbps/1.063gbps operation 1310nm fp laser and pin photodetector for 20km transmission compliant with sfp msa and sff-8472 with duplex lc receptacle digital diagnostic monitoring： internal calibration or external calibration compatible with sonet oc-24-lr-1 compatible with rohs +3.3v single power supply operating case temperature: standard : -5 to +70°c extended : -20 to +85°c industrial : -40 to +85°c 硬件规格： absolute maximum ratings table 1 - absolute maximum ratings parameter symbol min max unit supply voltage vcc -0.5 4.5 v storage temperature ts -40 +85 °c operating humidity - 5 85 % recommended operating conditions table 2 - recommended operating conditions parameter symbol min typical max unit operating case temperature standard tc 0 +70 °c -20 +85 industrial -40 +85 °c power supply voltage vcc 3.13 3.3 3.47 v power supply current icc 300 ma data rate gigabit ethernet 1.25 gbps fiber channel 1.063 optical and electrical characteristics sfp-ge-lx-sm1310: (fp and pin, 1310nm, 20km reach) table 3 - optical and electrical characteristics parameter symbol min typical max unit notes transmitter centre wavelength λc 1260 1310 1360 nm spectral width (rms) ?λ 4 nm average output power pout -9 -3 dbm 1 extinction ratio er 9 db optical rise/fall time (20%~80%) tr/tf 0.26 ns data input swing differential vin 400 1800 mv 2 input differential impedance zin 90 100 110 ω tx disable disable 2.0 vcc v enable 0 0.8 v tx fault fault 2.0 vcc v normal 0 0.8 v receiver centre wavelength λc 1260 1580 nm receiver sensitivity -23 dbm 3 receiver overload 0 dbm 3 los de-assert losd -24 dbm los assert losa -35 dbm los hysteresis 1 4 db data output swing differential vout 400 1800 mv 4 los high 2.0 vcc v low 0.8 v notes: 1. the optical power is launched into smf. 2. pecl input, internally ac-coupled and terminated. 3. measured with a prbs 27-1 test pattern @1250mbps, ber ≤1×10-12. 4. internally ac-coupled. 软件功能： applications gigabit ethernet fiber channel switch to switch interface switched backplane applications router/server interface other optical transmission systems 订购信息： ordering information part number product description sfp-ge-lx-sm1310 1310nm, 1.25gbps, 20km, -5oc ~ +70oc