Basic Info.

Product Description

  fsc-xxxx-1120 1.25gbps cwdm sfp optical transceiver, 120km reach - - - - product view | p/n: | fsc-xxxx-1120 | data rate: | 1.25gbps | distance: | 120km | ld: | cwdm dfb | pd: | apd | tx power: | 0~5dbm | rx sens: | -30dbm | temp: | c | - - - -   features # data-rate of 1.25gbps operation # 8 cwdm dfb wavelengths laser and apd photodetector for 120km 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 :0 to +70°c   applications # gigabit ethernet # fiber channel # switch to switch interface # switched backplane applications # router/server interface # other optical transmission systems   description the sfp transceivers are high performance, cost effective modules supporting data-rate of 1.25gbps and 120km transmission distance with smf. the transceiver consists of three sections: an uncooled cwdm dfb laser transmitter, an apd photodiode integrated with a trans-impedance preamplifier (tia) and mcu control unit. all modules satisfy class i laser safety requirements. the transceivers are compatible with sfp multi-source agreement (msa) and sff-8472. for further information, please refer to sfp msa.   absolute maximum ratings table1- 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 table2- recommended operating conditions - - - - parameter | symbol | min | typical | max | unit | operating case temperature | standard | tc | 0 |   | +70 | °c | powersupply voltage | vcc | 3.13 | 3.3 | 3.47 | v | power supply current | icc |   |   | 300 | ma | data rate |   |   | 1.25 |   | gbps | - - - -   opticaland electrical characteristics fsc-xxxx-1120: (cwdmandapd, 120kmreach) table4-opticaland electrical characteristics - - - - parameter | symbol | min | typical | max | unit | notes | transmitter | centre wavelength | ?c | ?c-6.5 | ?c | ?c+6.5 | nm |   | spectral width(-20db) | ?? |   |   | 1 | nm |   | side mode suppression ratio | smsr | 30 |   |   | db |   | average output power | pout | 0 |   | 5 | dbm | 1 | extinction ratio | er | 9 |   |   | db |   | optical rise/fall time(20%~80%) | tr/tf |   |   |