Urmet 1131 Manual Full _hot_

| Terminal | Signal | |----------|--------| | L1 / L2 | 2-wire BUS (to Urmet riser / power supply) | | TEL LINE | Incoming PSTN line (from Telecom socket) | | TEL SET | Optional parallel telephone | | NO / C / NC | Relay 1 (e.g., electric lock) | | NO2 / C2 / NC2 | Relay 2 (e.g., auxiliary) | | +12V / GND | Optional external power (if not powered via BUS) |

When replacing an existing unit, follow these steps to avoid common wiring errors: Label Before Removal urmet 1131 manual full

The 1131 monitors typically have a 4 or 8-way DIP switch for: | Terminal | Signal | |----------|--------| | L1

Connect the identified functional wires to the corresponding 1131 terminals (1, 2, 6, 9, 10, CA). 4. Compatibility & Troubleshooting CA). 4. Compatibility & Troubleshooting