Product Description
TOA YC-831HSW-AM Surface-Mount Backbox With Heater And Tamper Switch
The YC-831HSW AM is a Surface Mount Backbox for the N-SP80AS1 and N-SP80VS1 door station models in the N-SP80 series SIP intercom system. It is equipped with a heater for installations in cold environments and a tamper switch to be connected to a control input of the door station for triggering a tamper-notification call.