Cisco 1-Port 4-Wire 56-/64-kbps CSU/DSU WAN Interface Card - DSU/CSU
Mfg # HWIC-1DSU-56K4=
CDW # 3613789
| UNSPSC 43222609
Know your gear
The Cisco 1-Port 4-Wire 56-/64-kbps CSU/DSU WAN Interface Card (HWIC-1DSU-56K4) performs the channel service unit/data service unit (CSU/DSU) functions for both digital data service (DDS) and 4-wire switched 56-kbps (56K) data networks. In addition, it provides an all-rate synchronous interface to any dedicated DDS point-to-point or multipoint network compatible.