Description

Cisco High-Speed WAN Interface Card Channelized T1/E1 and ISDN PRI - ISDN terminal adapter - plug-in module - HWIC - ISDN PRI - 2.048 Mbps - T-1/E-1 - 2 digital port(s) ( 64 channels) - for Cisco 2811 2-pair 28XX 28XX 4-pair 28XX