Black Box MD403A - Manual (Page 8)

7
PATENTS/SAFETY WARNINGS
Patents
This product is covered by one or more of the following U.S. Patent Numbers:
5.301.274; 5.309.562; 5.355.365; 5.355.653; 5.452.289; 5.453.986. Other Patents
Pending.
Safety Warnings
1. Never install telephone wiring during a lightning storm.
2. Never install a telephone jack in wet locations unless the jack is specifically
designed for wet locations.
3. This product is to be used with UL ® and cUL listed PCs.
4. Never touch uninsulated telephone wires or terminals unless the telephone
line has been disconnected at the network interface.
5. Use caution when installing or modifying telephone lines.
6. Avoid using a telephone (other than a cordless type) during an electrical
storm. There may be a remote risk of electrical shock from lightning.
7. Do not use a telephone in the vicinity of a gas leak.
8. To reduce the risk of fire, use only 26 AWG telecommunication line cord.