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For official technical documents and certifications, you can visit the Urmet Professional Tools page .
: Common Ground (0V) – the shared return path for the system.
: In older buildings, wire colors may not follow a standard pattern. If wires are not labeled, you may need a multimeter or professional assistance to identify the "Common" and "Call" lines. urmet 1131 manual full
Once the angle is set, screw the clear/smoked dome cover back onto the base. Ensure the cover is clean on the inside to prevent blurry images.
Feed your multi-core intercom cable through the large cable entry hole in the center of the plastic base. For official technical documents and certifications, you can
: Replace the handset on the cradle to terminate the connection.
The manual provides a distance table:
To wire or replace an Urmet 1131 handset, you must understand the numbering system on the internal terminal block. Open the casing by pressing the release tab at the bottom to reveal the following terminals: Terminal Number Function / Description Speaker (Voice coming from the outdoor entry panel) Terminal 2 Microphone (Voice going to the outdoor entry panel) Terminal 6 Common Ground (Earth / Negative) Terminal 7 Call Signal (Buzzer or Electronic chime input) Terminal 9 Door Lock Release (Triggers the electric latch) Auxiliary Terminals (If Expanded)
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. If wires are not labeled, you may need
The Urmet 1131 series of house phones (known as “unifons” in some markets) is a staple in residential audio intercom systems. A standout feature of the Mod. 1131 is its design, which comes from the globally renowned design studio of Giorgetto Giugiaro, representing a successful synthesis of reliable functionality and an aesthetically pleasing style.
A: The Urmet 1131 does not have a function to distinguish between different call signals. It will ring for any incoming call on the line.