When installing or replacing the unit, the ground connection must always be made first and
disconnected last. Statement 1046
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
Warning
The NCS 2006 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.
Caution
The battery return connection is treated as DC-I, as defined in Telcordia GR-1089-CORE Issue 5.Note
If the system loses power or both the TNC, TNCE, TSC, 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 NCS 2006 clock. After powering down, the date defaults to January 1, 1970,
00:04:15. To reset the clock, see the “NTP-G24 Set Up Name, Date, Time, and Contact Information”
procedure of the “Turn Up a Node” chapter in the Cisco NCS 2002 and NCS 2006 Configuration Guide.
If you are using the TNC, TNCE, TSC, or TSCE cards, the system clock will run for up to three hours.
In this case, no action would be required.
Note
Cisco NCS 2000 Series Hardware Installation Guide
210
Connecting Power and Ground
DLP-L19 Connecting Office Power (DC) to the NCS 2006 Shelf ( Only)
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