Black Box T1/E1 to Fiber Mux, Single-Mode Duplex SC, 30 km

Ideal for extending T1 connections over fiber to remote PBX equipment. Local loopback on both the copper and fiber ports. It also offers remote fiber loopback and circuit test modes. Configurable alarm relay contacts enable you to set up audio/visual fault notification. Get extra distance for your T1 or E1 communications with a pair of T1/E1 to Fiber Muxes. Unlike ordinary fiber-based T1 extenders, the four-port muxes eliminate the requirement that each channel has its own fiber link. In a typical enterprise application, these unmanaged muxes use optical media to aggregate and extend four T1 or E1 channels from a ...