B-2
Cisco ONS 15501 User Guide
78-14134-01, Release 1.0
Appendix B Connector Pinouts
Figure B-1
RS-232 and RJ-45 Connector Pinouts
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
NC [6]
Request to Send (R
TS) [7]
Clear to Send (CTS) [8]
[9]
[2] Receiv
e data (RxD)
[3]
Tr
ansmit data (TxD)
[4] NC[5] Ground
[1] NC
RS-232
(DB-9 connector, female)
Alarm out
(RJ-45 connector)
1
2
3
4
Pair 4
Pair 3
Pair 2
Pair 1
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