Cisco UBR10012 Quick Start Manual page 34

Installing the Chassis
Connecting the DC Power Cables for the UBR10-PWR-DC= Module
Equipment
•
•
The Cisco uBR10012 router (using DC power supplies) is not shipped with wiring to connect to a DC
Note
power source. The DC-input terminal block on the midplane of the chassis accepts a maximum of 6 AWG
wire.
To connect the DC power cables to the Cisco uBR10012 router:
Verify that the DC power source to the chassis is turned off (tape it in the OFF position, if possible).
Step 1
Do not connect power to the DC power sources or apply power to the chassis. This is done as part of the
Caution
system startup after all connections are made. If you are using the external AC-input power shelf as the
DC power source, verify that the AC-input power cords are not plugged into AC power outlets.
Strip no more than 5/16 inches (8 mm) of insulation off the ends of the DC power cables.
Step 2
Step 3 Route the two sets of DC power cables through the square hole at the right front of the chassis. (See
Figure
Attach ferrite beads on the DC power cables, see
Step 4
on page
Connect the DC power cable from the first external power source to the –48 V PEM 0 terminal (left
Step 5
terminal) in the DC terminal block, and the return wire (RTN) to the top terminal in the terminal block.
Figure 16
1
Cisco uBR10012 Series Universal Broadband Router–Quick Start Guide
34
Wire stripper
DC power cables, customer provided
16.)
32.
Connecting the DC Power Cables for the UBR10-PWR-DC= Module
DC power terminal connectors, RTN (+) –48/–60 V
"Attaching Ferrite Beads on DC Power Cables" section
1
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