: While the handset is lifted or the call is active, press the door release button to verify the lock triggers. Important Technical Notes Connecting and Replacing Old Intercom with New Urmet 1131
: Door Lock Release – triggers the electric strike to let guests in.
If you are replacing an older 1131 or upgrading to a new 1131/1, follow this standard wiring map based on standard documentation: Description The wire that brings the buzzer sound. 1 Audio from the entrance panel (speaker). 2 Microphone Audio to the entrance panel (microphone). 6 The shared ground/common wire. 9 Door release (Button wire). 10 Sometimes used for a second lock or linked to 9.
