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How to enable phone line supervision in the D4412 or D6412.


 Using Remote Programming Software:

  • Browse to PANEL WIDE PARAMETERS/Phone, Auto-Forward and RAM Configuration.

  • Double-click and select: Enable Supervision (System Trouble at CMD CTR).

Using Keypad Programming:

  • Set Phone Line Fault Response Options, nibble 0220, to a non-zero value to enable phone line supervision; Check chart below to view nibble programming options.

https://community.boschsecurity.com/t5/image/serverpage/image-id/802i6B19F92DE76FDF2C/image-size/large?v=v2&px=999

Select one of the following:

  1. (1) - Enable supervision

  2. (3) - Enable supervision, Burg alarm & strobe functions, All or part on

  3. (5)- Enable supervision, Burg alarm & strobe functions, off

  4. (7) - Enable supervision, Burg alarm & strobe functions, All or part on, and off

  • When phone line supervision is enabled, the panel monitors for voltage. If voltage drops below 1 V for 40 seconds the panel declares a phone line fault.