Cisco Cisco IOS Software Release 12.4(9)T

This section provides information about digital modem PVDM2s.

This section describes the PVDM line numbering scheme for Cisco integrated services routers. 

shows the line numbering scheme for digital modem PVDM2s installed in Cisco 2800 series and 
3800 series routers. 

 gives the line number assigned to the first modem in the PVDM. The remaining modems are 

assigned successively increasing line numbers. Some examples are:

A PVDM2-12DM module is installed in the PVDM 0 slot of a Cisco 2811 router. The 12 modems 
on the module are assigned line numbers 322 to 333.

A PVDM2-24DM module is installed in the PVDM 1 slot of a Cisco 3825 router. The 24 modems 
on the module are assigned line numbers 386 to 409.

A PVDM2-36DM module is installed in the PVDM3 slot of a Cisco 3845 router. The 36 modems 
on the module are assigned line numbers 642 to 677.

There are no restrictions on the mixing of digital modem PVDM2s with Cisco voice PVDMs within the 
supported platforms.

Complete the following tasks to configure the digital modem PVDM2s.

Cisco 2811

322

386

N/A

N/A

Cisco 2821,
Cisco 2851

322

386

450

N/A

Cisco 3825

322

386

450

514

Cisco 3845

450

514

578

642