ADC DSL Systems, Inc.

14402 Franklin Avenue

Tustin, CA 92780-7013

Tel: 714.832.9922

Fax: 714.832.9924

Technical Assistance

Tel: 800.638.0031

Tel: 714.730.3222

Fax: 714.730.2400

ISO 9001/TL 9000

DNV Certification, Inc.

REGISTERED FIRM

DOCUMENT: LTPH-UM-1088-02, ISSUE 2

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