Two active dry contacts powered by 12V to support door locks. Five digital Normally Closed (NC) or Normally Open (NO) contact closures which require customer-provided NC or NO switches, e.g. door open/close, smoke present/absent, etc. Each of the five ports (channels) can be independently set to NC or NO, factory default is NC, RJ-45 connector (Not supported by DPX, PX or PX2 models).
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