Removing And Replacing The Pem - Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual

Removing and Replacing the PEM

Removing and Replacing the PEM
This section describes how to remove and install the PEMs for the Cisco 7603, Cisco 7603-S, and Cisco
7606 routers.
The PEM provides an input power connection on the front of the chassis to connect the site power source
to the power supply. In addition to providing an input power connection, the PEM also has an illuminated
power switch (AC-input only), current protection, surge and EMI suppression, and filtering functions.
The PEM on the left (PEM 1) connects the site power source to power supply 1; the PEM on the right
(PEM 2) connects the site power source to power supply 2. See
see
router) for the location of the power supplies.
Figure 5-105
Figure 5-106
Power supply 2
Power supply 1
Cisco 7600 Series Router Installation Guide
5-112
Figure 5-106 (Cisco 7603 router),
PEM Location
PEM 1 PEM 2
WS-X6 K-SUP 2-2GE
CONSOL E
PORT
MODE
CONSOL E
SUPER VISOR 2
PCMCIA
OSM-4OC 12 POS-SI
4 PORT OC-12 POS
SM IR
OSM-4OC 12 POS-SI
4 PORT OC-12 POS
SM IR
Cisco 7603 Router—Power Supply Location
(redundant)
Figure 5-107 (Cisco 7603-S router), and
Switch
Load
100%
PORT 1
PORT 2
EJECT
1%
Chapter 5 Removal and Replacement Procedures
Figure 5-105 for the location of the PEM;
Figure 5-108 (Cisco 7606
OL-4503-26