Cisco UBR10012 Quick Start Manual page 15

Figure 7
POWER
MISWIRE
FAULT
1
Handles on the DC PEM
2 External alarm connector
Three LEDs (POWER, MISWIRE, and FAULT) indicate the status of the DC PEM module.
The DC PEMs receive –48 /–60 VDC power through two separate DC terminal blocks located beneath
Note
each PEM in the midplane of the Cisco uBR10012 chassis. For details on how to connect the DC cables,
see "Connecting the DC Power Cables for the UBR10-PWR-DC= Module" section on page
DC Power Entry Module (UBR10-PWR-DC-PLUS=)
This DC PEM module provides a power output of 3300 W with dual DC-input power connections. This
DC PEM module provides:
Increased power to the chassis
•
Load shared DC power to the chassis (under normal conditions)
•
Four DC power cables must be connected and powered on for the DC PEM to function properly. The
Note
four cables must be attached to the input studs on the DC power terminal blocks on the front panel of
each DC PEM. As soon as the DC cables are connected to the facility power source and the facility power
is turned on, the DC PEM internal fans start working and are audible, although the DC power enable
switch is in Standby (0) position. For details on how to connect the DC cables, see
Power Cables for the UBR10-PWR-DC-PLUS= Module" section on page
OL-24972-01
DC Power Entry Module (UBR10-PWR-DC=)
1
2
1
3
Cisco uBR10012 Series Universal Broadband Router–Quick Start Guide
3
DC power switch
—
Overview
34.
"Connecting the DC
35.
15