Cable modem start up sequence, Indicator lights for the tm722g models, Battery mismatch – ARRIS TM722G-CT User Guide User Manual

Page 59: Indicator lights for the tm722a/b, Indicator lights: normal operation, Indicator lights: startup sequence, Dels

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Cable Modem Start Up Sequence

The following table shows the start-up sequence for the cable modem portion of the

Telephony Modem. Indicator color is not important.

Indicator Lights for the TM722G Models

The Touchstone Telephony Modem has eight indicator lights to assist in trou-

bleshooting. Only TM722G models have a Battery light.

Battery Mismatch

If the Telephony Modem alternates flashing the Battery light and all other lights, the

installed battery is incompatible with the Telephony Modem. Remove the battery
and install one of the batteries described in

Battery Installation and Replacement

(TM722G Only)

.

DS

US

Online

Link

Description

Flash

Off

Off

Off

Downstream search

On

Flash

Off

Off

Downstream found; upstream search

On

On

Flash

Off

Downstream and Upstream found;

retrieving setup information from cable

operator

On

On

On

On

Ready for service

Touchstone TM722 Telephony Modem User’s Guide

Safety

Getting

Started

Battery

Installation

Installation

USB

Drivers

Ethernet

Configuration

Usage

Troubleshooting

Glossary

59

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