Popis
Intelligent Door Sensor – Two active dry contacts powered by 12V to support 3rd party door locks. Two digital Normally Closed (NC) or Normally Open (NO) contact closures that require customer-provided NC or NO switches, e.g. door open/closed, smoke present/absent, etc. Each of the two ports (channels) can be independently set to NC or NO, factory default is NC. Dual RJ-45 connectors