Mounting, Single Slot For DS3 Network Interface Unit. Front Access Wall Mount With Auto Cut-Through, BNC connectorsThe 200-01 Mounting is a wall mountable, single-position mounting for Slim Mechanics DS3 modules, such as Westell Models 522-XX. The mounting provides an automatic cut-thru feature that maintains transmission continuity when a module is removed from its slot. The unit is mounted for front access, utilizing minimal wall space. Input and output connections to/from the unit are made via BNC connectors. Power, ground and network connections are located inside the assembly behind the removable cover.