Details: Alpha Communications 6941/C17 DigiBUS Power Supply Unit

The Alpha Communications 6941 power supply is used with the (Digi-Bus) digital-dial concierge intercom and/ or the digital-dial apartment entry intercom system(s), for up to the first 200 apartment handset stations (users), 50 digital distributors, 2 entry panels or 1 entry panel and 1 switchboard. Also, one additional unit is required for approximately every additional 200 handsets (users).The 6941 features stabilized supply with short-circuit protection, frequency-modulated electronic all circuit, call exclusion on activation of phonic line, "power-on" indicator led, "door lock release control" indicator led, "phonic line" indicator led, indicator leds for auxiliary functions 1 and 2 and relay connection outputs for auxiliary functions. The 6941 mounts on DIN support or with expanding plugs with screws.