Cisco Channelized T1/E1 and ISDN PRI Network Module - ISDN terminal adapter - PRI

Cisco Channelized T1/E1 and ISDN PRI Network Module - ISDN terminal adapter - plug-in module - expansion slot - ISDN PRI - 2.048 Mbps - T-1/E-1 - 8 digital port(s) ( 128 channels)