ADTRAN NT1 T400 user manual Maintenance, Remote Testing, Repair and Return

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4.0MAINTENANCE

The ADTRAN NT1 Type 400 requires no routine maintenance to operate. In case of equipment malfunction, refer to Sections 5.0 and 6.0 below, and/or remove the unit and replace it with another unit optioned in an identical manner.

5.0 REMOTE TESTING

Network test features include a loopback test initiated at the cen- tral office. This test confirms network integrity to the NT1 Type 400.

6.0 REPAIR AND RETURN

Repairs should not be performed in the field. Repair services can be obtained by returning the unit to the ADTRAN Customer and Product Service (CAPS) Department at the address listed in the back of this manual.

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NT1 T400 User Manual

61212016L1-1

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Contents NT1 Type Canadian Standards Association Isdn Adtran Year 2000 Y2K Readiness Disclosure Customer Instructions Canadian Emissions Requirements Canadian Equipment Limitations Table of Contents Tables FiguresUnit Overview GeneralRear Panel Powering TEs from the NT1Basic Rate Description Passive Bus DescriptionSetting the Option Switches InstallationConnecting the Terminal Equipment Powering Up the NT1 Type 400 StandaloneTroubleshooting Maintenance Remote TestingRepair and Return Loop Interface Specifications61212016L1-1 Appendix a NT1 Type 400 Circuit Pack Rack Installation Figure A-1 NT1 T400 Circuit Pack Connector Pin Assignments Short Passive BUS Appendix B BUS Configurations61212016L1-1 Technical Support and Warranty Information
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