Cisco Systems HWIC-1DSU-T1 - 1 Port T1/Fractional T1-DSU/CSU WAN I/F Card

The HWIC-1DSU-T1 also offers an integrated CSU/DSU simplifying configuration and management. Integration allows management of the router and CSU/DSU as a single SNMP entity while also providing detailed troubleshooting capabilities. Troubleshooting features include self-test loopbacks CSU/DSU reset alarm counters and T1 statistics.Serial and asynchronous high-speed WAN interface cards (HWICs) provide highly flexible connections for Cisco® 1800 1900 2800 2900 3800 and 3900 Series Integrated Services Routers. These HWICs help customers enable applications such as WAN access legacy protocol transport console server and dial access server. You can mix and match HWICs to tailor cost-effective solutions for common networking problems such as remote network management external dial-modem access low-density WAN aggregation legacy protocol transport and high-port-density support.