Cisco ONS 15454 Hardware Installation Manual page 280

DLP-G598 Connect Office Power (DC) to the ONS 15454 M2 Shelf (ETSI Only)
Warning
Hazardous voltage or energy may be present on DC power terminals. Always replace cover when
terminals are not in service. Be sure uninsulated conductors are not accessible when cover is in place.
Statement 1075
Note The battery return connection is treated as DC-I, as defined in Telcordia GR-1089-CORE Issue 5.
Caution The ONS 15454 M2 relies on the protective devices in the building installation to protect against short circuit,
overcurrent, and ground faults. Ensure that the protective devices are properly rated and comply with national
and local codes.
Note
If the system loses power or both TNC, TNCE, TSC, TNCS-2, TNCS-2O, or TSCE cards are reset and the
system is not provisioned to get the time from a Network Time Protocol/Simple Network Time Protocol
(NTP/SNTP) server, you must reset the ONS 15454 clock. After powering down, the date defaults to January
1, 1970, 00:04:15. To reset the clock, see the see the
If you are using the TNC, TNCE, TSC, TNCS-2, TNCS-2O, or TSCE cards, the system clock will run for up
to three hours. In this case, no action would be required.
Procedure
Step 1 Connect the return cables of the power supply to the Earth ground located at the power supply side.
Step 2
Verify that the DC power module is installed in Slot A of the ONS 15454 M2.
Figure 166: Connecting Office Power—DC Power Module (ETSI Only)
Cisco ONS 15454 Hardware Installation Guide
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Installing the ONS 15454 M2 Shelf
NTP-G24 Setting Up Node Identification Information.