SFP28 Pin Description
Rear View of Module with Pin Placement
SFP Pin Description
Pin
Symbol Name
1
VeeT
2
TX_Fault
3
TX_Disable
4
SDA
5
SCL
6
MOD_ABS
7
RS0
8
Rx_LOS
9
RS1
Module Transmitter Ground
Module Transmitter Fault
Transmitter Disable. Turns off transmitter laser output
2-wire Serial Interface Data Line
2-wire Serial Interface Clock Line
Module Absent. Grounded within the module
No connection required
Loss of Signal indication. Logic 0 indicates normal operation.
No connection required
Description
Note
--
a
b
c
d
d
--
d
--
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