According to standard Urmet 1131 technical documentation, the terminals are typically mapped as follows:
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Unlike modern digital systems, the 1131 relies on specific functional wiring. When replacing an older unit, users are advised to map wires by function rather than color. Description Speech In Earpiece/Speaker audio. 2 Speech Out Microphone audio. 6 Common Ground connection for audio and lock. 9 Lock Door release contact. 10 Lock Secondary door release contact. CA Call Incoming electronic call signal. 3. Installation & Replacement Guide
: 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 urmet 1131 manual full
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.
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Upon unboxing your Urmet 1131, verify that the following items are present: Description Speech In Earpiece/Speaker audio
Connect the wires from the wall to the corresponding terminals on the handset base based on the terminal map above.
| Feature | Urmet 1131 (Standard) | Urmet 1131/1 | Urmet 1131/620 (Digital) | | :--- | :--- | :--- | :--- | | | Giugiaro Design | Giugiaro Design | N/A | | System Type | Analog (4+n) | Analog (4+n) | Digital (MATIBUS) | | Mounting | Surface-mounted (Wall) | Surface-mounted (Wall) | Surface-mounted | | Dimensions | 218 x 77 x 56 mm | 218 x 77 x 56 mm | 218 x 77 x 56 mm | | Material | ABS Plastic | ABS Plastic | ABS Plastic | | Available Colors | White / Graphite | White | White | | Number of Buttons | 1 (door release) | 2 (door release + 1 function key)| 1 (door release) | | Microphone Type | Electret / Condenser | Condenser microphone【9†L5?】 | N/A | | Call Tone | Electronic (through handset speaker) | Electronic | N/A |
Check the wire connected to Terminal 9. Ensure the screw is tight. If Terminal 6 (Ground) is loose, the lock release loop cannot complete. 2. You Can Hear the Main Gate, but They Can’t Hear You 9 Lock Door release contact
Operating an Urmet 1131 is straightforward:
A: The Urmet 1131 itself typically does not have on-device volume control. The call volume is generally adjusted at the central system level, using potentiometers on the loudspeaking unit (e.g., Ref. 1035/67) connected to the entrance panel.