Cisco WAN Interface Card 1-Port Serial - Expansion module - RS-232, RS-530, X.21, V.35, RS-449 (WIC1TEQL) Expansion Module
Cisco WAN Interface Card 1-Port Serial - Expansion module - RS-232, RS-530, X.21, V.35, RS-449 (WIC1TEQL) Expansion module - WIC Interface, Cabling: Serial RS-232 , RS-449 serial, RS-530 Serial, V.35, X.21, WIC-1T card is a serial WAN port with throughput speeds of up to T1/E1 links.
