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Wiring Diagram for Door Entry Systems with 500X series of telephones 500X Flats Telephone Models: 500X 500PX 500XT 500PXT 500XC 500PXC Second Telephone System Door Panel First Telephone Electrical Cupboard Speech Unit 51/61 M340 Power Supply 13:44 TS2000 Time Clock...
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Installation of Door Entry Systems Important Safety Information Power Supply Unit must be placed in a protected indoor environment such as an electrical cupboard, close to a 240V AC electrical supply and located no further than 50 metres from the entrance panel. It must be wall-mounted onto plasterboard, wood or a similar non-conductive material.