Cisco WIC-1B-S/T-LL

The Cisco WIC-1B-S/T-LL is a Wide Area Network Interface Card (WIC) module designed for Cisco routers. It provides a single port for connecting to a WAN network using either a synchronous or asynchronous serial connection. The "B" in the model name indicates that it supports both synchronous and asynchronous modes, while the "S/T" refers to the type of serial connection it supports (S for synchronous and T for asynchronous). The "LL" stands for "low latency," indicating that it is optimized for low-latency applications.