$29.99

D185 Reverse Polarity Signaling Module NOS. 

The D185 Reverse Polarity Module is a UL listed module that connects a Control Panel with either a single set or a pair of dual of leased Telephone Company (telco) lines in NFPA 72 Remote Station applications. It relays system alarm status information from the panel to a monitoring station. The D185 operates on either 12 or 24 VDC supply.  All circuites are power limited.

The module has three input trigger terminals that accept input of alarms, trouble, or supervisory conditions from the panel.

1 year warranty

Product Code: D185