The Cisco T1 DSU/CSU WAN Interface Card reduces deployment and regular management tasks for your Internet. Its modular designed helps with flexibility and investment protection. This wide area network (WAN) interface card features a configuration capability that allows you to install the model remotely using the Cisco IOS software. The troubleshooting capacity for WIC-1DSU-T1-V2 allows office staff to quickly make minor adjustments to ensure your network operates with minimal downtime.