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AT&T DC User Manual

AT&T DC
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AT&T DC UPS
Operation Manual
(Leave with Customer)
DC UPS Operation Manual, Rev 1.0 Page: 1 of 8
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AT&T DC Specifications

General IconGeneral
TypeLine-interactive
Input Voltage120V
Output Voltage120V
Battery Recharge Time6 hours
Outlets6 NEMA 5-15R
Warranty2 years

Summary

Product Introduction

General Description

Provides overview of the DC UPS, its conversion capability, and backup power for lifeline services.

Components

Details the DC UPS unit, including its power supply, battery, charger, and indicator circuitry.

Important Safety Notes

Electrical Warnings

Outlines precautions for servicing the equipment while connected to utility power and checks for cords and plugs.

Battery Warnings

Covers battery warranty, explosion danger, disposal, chemical hazards, and protective measures.

Safety Warning Label

Explains the warning label attached to the AC power cord regarding not unplugging the unit.

Operation

Control

Details the single blue button for silencing audible alarms for 24 hours.

Operational LEDs

Describes the four status LEDs on the front panel and their meanings for normal and failure conditions.

Alarms

Explains the presence of audible and visual alarm signals for abnormal conditions.

Alarm LEDs and Corresponding Audible Alarms

Lists alarm types, conditions, and corresponding buzzer sounds.

Audible Alarm

Details specific audible alarm conditions like input power failure and battery issues.

Maintenance

Maintenance Mode

Explains the automatic 45-day battery self-test and indicators for a failed battery.

Customer Battery Replacement

Provides step-by-step instructions for removing and installing a new battery, including terminal connections.