Power Source: Use SKK-620A or 4 "AA" Batteries, 6V DC, 120mA
Communication: Press CALL button to ring all subs, pick up any phone, sub rings master only, common talk
Wiring: Master to sub: 2-cond., overall shield
Distance: 2-station set: 2,300’(22AWG) 5,250’(18AWG). Master to 3rd sub: 1,350’(22AWG) 3,100’(18AWG)
Distance: Doors/Subs/Horns to master: 490’(22AWG) 1,200’(18AWG)
Wire Type: Aiphone #822202