When a cable is removed from the rear of the fixed configuration DC power shelf, we recommend that it should
be wrapped with standard black electrical tape.
Note
Step 5
Replace the terminal block cover.
What to do next
After the power shelf wiring has been disconnected, the power shelf can be removed. For more information,
see
Removing a Fixed Configuration Power Shelf
.
Installing an AC Rectifier or DC PEM
This section describes how to install an AC rectifier or DC PEM in the LCC. For information on the differences
between the power types, see
and
The power module is installed into the power shelf on the front (PLIM) side of the chassis. Although differences
exist among the DC PEMs and AC rectifiers (AC Wye, AC Delta, and DC), they are installed in the same
manner.
The figure shows an AC rectifier for reference. The fixed configuration DC PEM is similar.
Figure 23: AC Rectifier
CBREAKER TRIP
4
PWR OK
1
ILIM
5
FLT
2
OT
6
AC INPUT FAIL
3
Cisco CRS Routers 16-Slot Line Card Chassis Installation Guide
42
Installing and Removing Power Components
Installing an AC Rectifier or DC PEM