Copyright © 1991 AT&T
All Rights Reserved
Printed in U.S.A.
Notice
Every effort was made to ensure that the information in this book was complete and accurate at the time of printing. However,
information is subject to change.
Federal Communications Commission (FCC) Information
For important FCC interference, registration, and repair information, see "Customer Support Information" in Key System Planning.
Trademarks
Accunet is a registered trademark of AT&T.
Megacom is a registered trademark of AT&T.
MLX-10, MLX-10D, MLX-20L, and MLX-28D are trademarks of AT&T.
MultiQuest is a registered trademark of AT&T.
Support Telephone Number
AT&T provides a toll-free customer Helpline (1 -800-628-2888) 24 hours a day (U.S.A. only). Call the Helpline, or your authorized
dealer, if you need assistance when installing, programming, or using your system.
AT&T 555-610-116
Issue 1
August 1991