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Cisco ONS 15501 User Guide
78-14134-01, Release 1.0
Chapter 2 Installing the Cisco ONS 15501
Communication Connections
Figure 2-3
Connecting the Cisco ONS 15501 to a DC Power Source
Communication Connections
The Cisco ONS 15501 communicates in three ways:
•
SNMP (through Ethernet)
•
alarm contacts (through RJ-45 connector)
•
console port (through RS-232)
See
Appendix B, “Connector Pinouts”
for the wiring layouts of the RJ-45 and RS-232 connectors.
See the
“Configuring Local Serial Communication” section on page 3-1
for detailed information about
the RS-232 console port.
1
Primary DC power connections
3
Redundant DC power connections
2
Tapped frame grounding holes
-48V
RET
-48V
RET
68380
Redundant DC power
1
3
2