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61200375L1-1
TA 850
T1 RCU VoATM UIG/61200376L2-31A
Page 3 of 72
© 2001, ADTRAN, Inc. TA 850 User Manual
Safety Instructions
When using your telephone equipment, please follow these basic safety
precautions to reduce the risk of fire, electrical shock, or personal injury:
1. Do not use this product near water, such as a bathtub, wash bowl, kitchen sink,
laundry tub, in a wet basement, or near a swimming pool.
2. Avoid using a telephone (other than a cordless-type) during an electrical storm.
There is a remote risk of shock from lightning.
3. Do not use the telephone to report a gas leak in the vicinity of the leak.
4. Use only the power cord, power supply, and/or batteries indicated in the man-
ual. Do not dispose of batteries in a fire. They may explode. Check with local
codes for special disposal instructions.
Save These Important Safety Instructions
Notes provide additional useful information.
Caution signify information that could prevent service interruption.
Warnings provide information that could prevent damage to the equipment or
endangerment to human life.