C-123L/A: Single master set includes a door station (C-D) and a master stations (C-ML/A). Additional masters may be added. Each master requires a separate power supply, either the SKK-620 or 4 "C" batteries. The door station calls the master(s) by pressing a call button that initiates a chime. Communication is is Push to talk/release to listen at the master and hands free at the door station. Communication times out after being idle for twenty seconds.
DOOR ANSWER SYSTEM 2STRJ CHME, Aiphone Co., Ltd ADI, Aiphone