Cisco VWIC-1MFT-E1 enterprise networking (router/Catalyst switch/UCS families) Router Line Card

The Cisco VWIC-1MFT-E1 is a 1-port RJ-48 Multiflex Trunk voice/WAN interface card supporting the E1 (2.048Mbps) standard, fitted into the WIC/VWIC slots of Cisco’s 2600, 3600, 3700, 2800 and 3800 series integrated services routers. It carries both voice (CAS/CCS signalling, up to 30 DS0 channels) and structured or unstructured data traffic over a single E1 circuit, letting one router port replace separate voice and WAN interfaces on a branch or head-office deployment. The card sits in the same family as the G.703-variant VWIC-1MFT-G703 and the higher-density 2- and 4-port VWIC2 modules that followed it. Cisco access routers from this generation remain widely deployed in legacy PBX and WAN environments, and spares such as this restore full trunk capacity after a card failure or add E1 capacity to an existing chassis. Tech-Star (UK-based, shipped worldwide) stocks Cisco interface cards for engineers maintaining these platforms.