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Appendix B
Connector Pinouts
Figure B-1
RS-232 and RJ-45 Connector Pinouts
RS-232
(DB-9 connector, female)
Alarm out
(RJ-45 connector)
2
4
3
1
Pair 4
Pair 3
Pair 2
Pair 1
Pair 1: Loss of input power supply or power supply out of range
Pair 2: Failure in the pump laser bias or pump laser temperature
Pair 3: Loss of input signal or input signal power below threshold
Pair 4: Undefined
Cisco ONS 15501 User Guide
B-2
78-14134-01, Release 1.0
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