4-port BRI S/T digital voice/fax expansion module

7-port voice/fax expansion module-3FXS/4FXO

6-port FXO analog voice/fax expansion module

8-port voice/fax expansion module-FXS/DID, sPARE

1 port Multi-flex Trunk Voice/Channelized Data T1/E1 Module

1 port Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module

2 port Multi-flex Trunk Voice/Channelized Data T1/E1 Module

2 port Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module

4 port Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module

PVDM2 Adapter for PVDM Slot on Cisco 2900, 3900 Series ISR