Aiphone AT-406 Handset to handset system[Nov. 30, 2011 10:56:56]
Features
> Call button ( master) rings all the subs
> Up to 2 addtional subs can be added ( AT-306)
> Sub rings master only
> Chime-phone intercom set
> Battery operated with status indicator LED
Specifications :
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)