Spec Sheet Preview: 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- …