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Chapter 7 : Using the Telephony Gateway
Release 8 STANDARD 1.5 August 2016 Touchstone TG862G Telephony Gateway User Guide
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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)
Note 1: Your service provider may configure the Telephony Gateway to always display the
US/DS indicator in green regardless of the connection speed or swap the meaning (speed
indication) of yellow and green.
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 39)
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.