Cisco Network Device 2800 Introduction Manual page 157

PVDM Location and Orientation
The PVDM connectors are located on the system board, and are identified as follows:
•
•
Refer to
PVDMs have a polarization notch on the mating edge to prevent incorrect insertion.
polarization notch on a PVDM.
Figure 28
Removing a PVDM
To remove a PVDM from the system board, follow these steps:
Locate the PVDM on the system board. See
Step 1
your router model, for the location of the PVDMs.
Pull the PVDM retaining clips away from the PVDM at both ends, and then tilt the PVDM until it can
Step 2
be freely removed from the connector. See
Note
OL-5792-04
In Cisco 2801 and Cisco 2811 routers—PVDM 0 and PVDM 1
In Cisco 2821 and Cisco 2851 routers—PVDM 0, PVDM 1, and PVDM 2
Figure 8, Figure 9, Figure
PVDM Showing Polarization Notch
Alignment holes
PVDMs must be removed in order—PVDM 1 then PVDM 0 in Cisco 2801 and 2811 routers, and
PVDM 2, then PVDM 1, then PVDM 0 in Cisco 2821 and 2851 routers.
10, and Figure 11 for PVDM locations.
Polarization notch
Figure 8, Figure
Figure 29.
Installing and Upgrading Internal Modules in Cisco 2800 Series Routers
Installing and Removing PVDMs
Figure 28
9, Figure 10, or Figure 11, depending on
shows the
29