Important safety instructions

your inquiry to Lucent’s U.S. offices. Following are the ways in which you can reach Customer Service:

Email from within the U.S.—support@ascend.com

Email from Europe, the Middle East, or Asia—EMEAsupport@ascend.com

Fax—(510) 814-2312

Customer Support BBS (by modem)—(510) 814-2302

Write to Lucent at the following address:

Attn: Customer Service

Lucent Technologies

1701 Harbor Bay Parkway

Alameda, CA 94502-3002

Important safety instructions

A. GENERAL

1Read and follow all warning notices and instructions marked on the product or included in the manual.

2There are no operator serviceable parts within the unit. Refer all servicing to trained service personnel.

3Product installation should be performed by trained service personnel only.

4Install only in restricted-access areas in accordance with UL1950, C22.2 No. 950, and IEC60950

5The maximum recommended operating ambient is 104° F (40° C). Allow sufficient air circulation or space between units when installed in a closed or multiple-rack assembly.

6Slots and openings in the cabinet are provided for ventilation. To ensure reliable operation of the product and to protect it from overheating, these slots and openings must not be blocked or covered. Installation without sufficient airflow can be unsafe.

7Equipment mounted in a rack should be distributed to prevent a possible hazardous condition due to uneven loading. The rack should safely support the combined weight of all equipment. This product weighs XX lb. (XX kg).

DSLPipe DSU (SDSL) User’s Guide

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Lucent Technologies 7820-0657-001 manual Important safety instructions