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Installing and Upgrading Internal Modules in Cisco 2800 Series Routers
OL-5792-04
Installing and Removing PVDMs
The following example shows one Compression AIM in a Cisco 2811 router:
Router# show diag 0
Slot 0:
C2851 Motherboard with 2GE and integrated VPN Port adapter, 2 ports
Port adapter is analyzed
Port adapter insertion time unknown
EEPROM contents at hardware discovery:
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Compression AIM 1:
2E1 Compression AIM module Version 2AIM Module in slot: 1
Hardware Revision : 1.0
Part Number : 73-3888-01
Board Revision : A0
Deviation Number : 0-0
Fab Version : 01
PCB Serial Number : JAB05440F12
RMA Test History : 00
RMA Number : 0-0-0-0
RMA History : 00
EEPROM format version 4
EEPROM contents (hex):
0x00: 04 FF 40 04 6D 41 01 00 82 49 0F 30 01 42 41 30
0x10: 80 00 00 00 00 02 01 C1 8B 4A 41 42 30 35 34 34
0x20: 30 46 31 32 03 00 81 00 00 00 00 04 00 FF FF FF
0x30: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0x40: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0x50: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
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Installing and Removing PVDMs
Cisco 2801 and Cisco 2811 routers hold up to two Cisco packet voice data modules, version 2 (PVDM2)
to support enhanced versions of digital signal processors (DSPs). Cisco 2821 and Cisco 2851 routers
hold up to three PVDM-IIs. If only one is PVDM installed, it must be located in the PVDM 0 connector.
Before you remove or install a PVDM, remove the chassis cover as described in the “Removing the
Chassis Cover” section on page 2.
Note PVDM-II connectors in the Cisco 2800 series routers are not compatible with older PVDM versions.
Caution When you remove or install PVDMs, always wear an ESD-preventive wrist strap, and ensure that it
makes good contact with your skin. Connect the equipment end of the wrist strap to the metal part of the
chassis.
Caution Handle PVDMs by the edges only. PVDMs are ESD-sensitive components and can be damaged by
mishandling.