Arris Touchstone TG2472G, User Manual

Page: 42 / 53

Chapter 7 : Using the Telephony Gateway
Release 24 STANDARD 1.3 August 2016 Touchstone TG2472G Telephony Gateway User Guide
© 2015-2016 ARRIS Enterprises LLC. All Rights Reserved. 42
Mode Power US/DS Online Battery
No AC Power,
Battery Installed
Flash Off Off Off = Battery
power
Flash = Battery
bad
No AC Power,
No Battery
Off Off Off Off
Firmware
Upgrade
On Flash On
(normal
operation)
Patterns: Startup Sequence
The following tables show the Telephony Gateway light patterns during each phase of the
startup sequence. There are two phases of startup; the telephony phase and the cable
modem phase. Both are outlined below.
Telephony Startup Sequence
Power, US/DS,
Online
Telephone 1 Telephone 2 Battery Description
Off Off Off Off No power to modem
Flash Flash Flash Flash Power-on Self Test
See
Cable Modem Startup Sequence
(page 42)
On Flash Off Off Retrieving telephone
network information
On Off Flash Off Retrieving telephone
line information
On Flash Flash Off Activating telephone
service
Normal Operation
Note:
The
US/DS
indicator flashes during startup, and it turns on when the Telephony
Gateway establishes a connection.