Product Name: Single-port WAN Interface Card (WIC)
Single-port, four-wire, WIC-1DSU-56K4 card combines a DSU/CSU into a single card with 64-kbps maximum throughput speed. DSU/CSU interface devices are always required to interface between the synchronous serial ports of a router and the telco/Post, Telephone, and Telegraph (PTT)-supplied data communications circuit. A DSU is a device used in digital transmission for connecting data terminal equipment to a digital transmission service. A CSU is a digital interface device that connects end-user equipment to a local digital telephone loop .
Product Type: WAN Interface Card (WIC)
Application/Usage: Wide Area Network
Total Number of Ports: 1
Connector Type: RJ-45
Interfaces/Ports Details: 1 x RJ-45 Switched 56/64