User`s manual

2
General Safety Instructions
Always follow these basic safety precautions when using the system:
1. Read carefully and understand all instructions.
2. Follow all warnings and instructions marked on the product.
3. DO NOT block or cover ventilation slots and openings.
4. DO NOT place the product in a closed enclosure or cabinet unless
proper ventilation is provided.
5. Never spill liquid on the product or drop objects into the ventilation
slots and openings. Doing so may result in serious damage to the
components.
6. Repair or service must be performed by a factory authorized repair
facility.
7. DO NOT staple or otherwise attach the power supply cord to
building surface.
8. DO NOT use the product near or in wet or damp places, such as
wet basements.
9. DO NOT install during lightning storm.
10. Never touch un-insulated wires or terminals unless the unit is
disconnected from both power and the rest of the phone system.
11. Use Caution when installing or modifying configuration switches or
control lines.
12. The unit must be securely attached to a wall board, rack or table
mounted.