Cisco 2-Port Asynchronous/Synchronous Serial WAN Interface Card - 2 x Asynchronous/Synchronous Serial

2-Port Asynchronous/Synchronous Serial WAN Interface Card helps customer enable applications such as WAN access, legacy protocol transport, console server, and dial access server. Serial and synchronous/asynchronous ports are ideally suited to transport legacy traffic across a TCP/IP network, facilitating network convergence and eliminating costly separate leased lines for this traffic.