page provides professional-grade booklets and certifications for their entire range. PDF Wiring Diagram

The Urmet 1131 is a classic analog "4+n" wire door phone designed for high durability and simple audio communication. It is primarily used as an indoor apartment station to communicate with outdoor panels and control building access. 🛠️ Technical Specifications System Compatibility: 4+n wire analog systems (requires 5 wires). Call Type:

Installing the Urmét 1131 requires careful planning and attention to detail. The following steps outline the installation process:

: If your previous system had a mechanical buzzer, the Urmet 1131 (which uses an electronic call) might require an additional buzzer module or specific wiring to Terminal for mechanical ringing compatibility. Audio Issues

Since I cannot directly attach PDF files, here is how to get the and a summary of the critical technical sections you are likely looking for.