Urmet 1131 Manual Full !!install!! Access
The Urmet 1131 is a classic analog 4+N door phone handset known for its simplicity and reliability, though its manual and setup require careful attention to wiring terminals. Manual Content Summary
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From the Manual:
: If you cannot hear the caller or they cannot hear you, ensure terminals The Urmet 1131 is a classic analog 4+N
- Installation must be carried out by qualified personnel only.
- Ensure the mains power supply is disconnected before opening the unit or performing any wiring.
- Do not exceed the maximum rated load of the power supply.
- This unit contains no user-serviceable parts inside the transformer housing. Refer servicing to qualified technicians.