Chapter 5
Removal and Replacement Procedures
When installing the unit, the ground connection must always be made first and disconnected last.
Warning
Grasp the PEM with one hand, and place your other hand underneath the PEM, as shown in
Step 5
and slide the PEM completely out of the chassis. Set the PEM aside.
Figure 5-109 Handling a DC-Input PEM
If the PEM bay is to remain empty, install a blank PEM filler plate (Cisco part number 800-16719-01)
Step 6
over the opening and secure it with the captive installation screws.
Installing a DC-Input PEM
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Follow these steps to install a DC-input PEM:
Ensure that the system (earth) ground connection has been made. For ground connection installation
Step 1
instructions, see the
Warning
When installing the unit, the ground connection must always be made first and disconnected last.
Step 2
Verify that power is off to the DC circuit for the PEM you are installing.
Step 3
Install the PEM part way in the chassis so you still have access to the PEM terminal block screws
(Figure
OL-4503-24
WS-X6K -SUP2-2 GE
CONSOLE
PORT
MODE
CONSOLE
SUPERV ISOR2
OSM-4OC1 2 POS-SI
4 PORT OC-12 POS SM
IR
OSM-4OC1 2 POS-SI
4 PORT OC-12 POS SM
IR
"System Ground Connection" section on page
5-110).
Switch
Load
100%
PORT 1
PORT 2
PCMCIA
EJECT
1%
Cisco 7600 Series Router Installation Guide
Removing and Replacing the PEM
Figure
3-19.
5-109,
5-111