ADTRAN 25 manual Customer Warning

DANGER

Do not open the fan assembly or remove rear cabinet cover before unplugging the cabinet from the electrical outlet. Wait at least five minutes after unplugging the power cord before removing the rear cover or power supply. The AT&T System 25 cabinets are not user serviceable. Some voltages inside the cabinets are hazardous. This equipment is to be serviced only by qualified technicians.

CUSTOMER WARNING

The Installation and Maintenance Manual is designed for use b y qualified service technicians only. Technician qualification includes completion of an AT&T hands-on instructor-led course covering installation and maintenance for this product. The use of these documents by anyone else might void the warranty. Hazardous

electrical voltages are present inside this product.

SERVICE TECHNICIAN WARNING

1.Never install telephone wiring during a lightning storm.

2.Never install telephone jacks in wet locations unless the j a c k is specifically designed for wet locations.

3.Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface.

4.Use caution when installing or modifying telephone lines.

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