General Instructions

The optiPoint 500 and optiset E system telephones and adapters meet with the relevant conformity and safety regulations (CE). 

Do not expose devices to direct sunlight or any other sources of heat.

Protect devices from moisture and penetration by liquids.

Never insert objects in openings in the device.

Operate optiset E local power supplies only at the specified line voltage.

Use only accessories recommended by Siemens.

Before installing the hardware, back up the data on your PC (see the operating instructions for your operating system or those supplied by your PC manufacturer).