Urmet 1131 is a classic analog door entry handset designed for electronic call systems, typically used in "4+n" (5-wire) wiring configurations. While widely available in residential complexes, the manual is crucial for correctly mapping terminals during replacement or repair. interfoni.rs Core Technical Specifications
: In newer digital-integrated versions, a blinking light may indicate a configuration error or faulty wiring. device.report urmet 1131 manual full
Installation
Introduction
The Urmet 1131 is versatile. Below are the two most common wiring configurations. Urmet 1131 is a classic analog door entry
Crucial Warning from the full manual: Do not short-circuit A and B. Do not apply 230V AC to these terminals. The system works on 32V DC. The Urmet 1131 is a door entry system