Approved Optics Approved 3COM 3CGBIC91 - Manual (Page 4)

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3CGBIC91-A
1000BASE-SX GBIC MMF
850NM 550M REACH SC
Parameter Symbol Min. Typical Max. Unit
50/125µm Core Diameter MMF 550 m
Data Rate 1.25 Gbps
Transmitter
Centre Wavelength λC 830 850 860 nm
Spectral Width (RMS) σ .85 nm
Average Output Power P0ut -10 -3 dBm
Extinction Ratio EX 9 dB
Rise/Fall Time(20%~~80%) tr/tf .26 ns
Output Optical Eye IUT-T G.957 Compliant
Data Input Swing Differential VIN 500 2000 mV
Input Differential Impedance ZIN 90 100 110 Ω
TX Disable
Disable 2.0 VCC+0.3
V
Enable 0 0.8
TX_Fault
Fault 2.0 VCC+0.3
V
Normal 0 0.8
Receiver
Centre Wavelength λC 770 860 nm
Receiver Sensitivity PIN -18 dBm
Output Differential Impedance PIN 90 100 110 Ω
Data Output Swing Differential VOUT 370 2000 mV
Rise/Fall Time Tr/tf 2.2 ns
LOS De-AssertS LOSD -19 dBm
LOS Assert LOSA -40 dBm
LOS
High 2.0 VCC+0.3
V
Low 0 0.8