Approved Optics Approved SMC SMCBGSSCX1 User Manual
Page 4

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SMCBGSSCX1-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