©1993 AT&T

All Rights Reserved

Printed in USA

Notice

While reasonable effort was made to ensure that the information in this document was complete and accurate at the time of printing, AT&T cannot assume responsibility for any errors. Changes and/or corrections to the information contained in this document may be incorporated into future issues.

Your Responsibility for Your System’s Security

You are responsible for the security of your system. AT&T does not warrant that this product is immune from or will prevent unauthorized use of common-carrier telecommunication services or facilities accessed through or connected to it. AT&T will not be responsible for any charges that result from such unauthorized use. Product administration to prevent unauthorized use is your responsibility and your system administrator should read all documents provided with this product to fully understand the features available that may reduce your risk of incurring charges.

Federal Communications Commission (FCC) Statement

This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause interference to radio communications. It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference when operated in a commercial environment.

Operation of this equipment in a residential area is likely to cause interference, in which case the user at his/her own expense will be required to take whatever

may be required to correct the interference.

TRADEMARK NOTICE

DEFINITY is a registered trademark of AT&T.

ORDERING INFORMATION

Call: AT&T Customer Information Center

1 800 432-6600

In Canada: 1 800 255-1242

Write: AT&T Customer Information Center

2855 North Franklin Road

P.O. Box 19901

Indianapolis, IN 46219-1385

Order: Document No. AT&T 555-230-500ADD2

Issue 1, January 1993

Published by

GBCSystems Product Documentation Development Group

AT&T Bell Laboratories

Middletown, NJ 07748-0076

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AT&T MDC 9000 manual Trademark Notice