Paradyne 3611, 3610, 3600 Series manual Interface Connections Glossary Index

Page 6

COMSPHERE ±48 Vdc Central Office Power Unit

3.Troubleshooting and Maintenance

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Indicators and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Power Module Replacement Instructions . . . . . . . . . . . . . . . . . . . . . 3-3

Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

A. Interface Connections

Glossary

Index

ii

May 1998

3000-A2-GB41-40

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Contents Comsphere ±48 Vdc Central Office Power Unit Warranty, Sales, and Service Information TrademarksCopyright 1998 Paradyne Corporation. All rights reserved Important Safety Instructions Comsphere ±48 Vdc Central Office Power Unit Table of Contents Interface Connections Glossary Index List of Figures Technical Specifications for Central Office CO Power Unit List of TablesAbstract PrefaceObjectives and Reader Assumptions Related DocumentsComsphere ±48 Vdc Central Office Power Unit Introduction OverviewFeatures 2illustrates the CO Power Unit with two power modulesCentral Office CO Power Unit with One Power Module Technical Specifications ±48 VdcEquipment Warranty Support WeightComsphere ±48 Vdc Central Office Power Unit May Installation Considerations Basic Mode of Operation3161 DSU/CSUs Independent Mode of OperationAmbient 3611 DSUs 3551, 3611, Without DBMs DSUs with DBMs DSUs, 3151 and CSUsRedundant Mode of Operation Alarm Forwarding to a 6800 Series NMSCO Power Unit Installation Installing the Optional Second Power ModuleProcedure Installing the Optional Second Power Module Setting the Option Straps Settings for Basic ModeIndependent Mode Settings for Independent ModeInstalling the CO Power Unit Series Carrier Installation ManualCO Power Unit Installation Providing Power to a CO Power Unit Comsphere 3000 Series Carrier RearAMP Procedure GRD Optional Fuses -48V GRD Vdc Power Source a Installing an Sdcp ProcedureConnecting the Alarm Contacts to a CO Alarm System Ext Leads RPowr Procedure Installation Air Filter and Brackets Installation Optional 11. Air Filter Brackets Installation Comsphere ±48 Vdc Central Office Power Unit May Troubleshooting and Maintenance Indicators and ControlsTroubleshooting Power Module Replacement Instructions Replacing a Power ModulePreventive Maintenance Interface Connections a DC Inputs±48V CO ground return Figure A-2. Connector Housing and Contact Table A-3 CO Alarm System OutputsCO Alarm System Outputs Pin Assignments forNMS Alarm Outputs Figure A-3. NMS Adapter Cable Feature Number 3000-F2-510 Basic mode GlossarySDU Index NMS Index