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Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration Usage Troubleshooting Glossary
Touchstone TG852 Telephony Gateway User’s Guide
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 Start Up Sequence
Note: The DS and US indicators flash yellow during startup, and turn green if
the Telephony Gateway establishes an ultra-high speed connection.
Power,
DS, US,
Online
Telephone
Battery Description
1 2
Off Off Off Off No power to Modem
Flash Flash Flash Flash Power-on Self Test
See “Cable Modem Start Up Sequence”
On Flash Off Off
Retrieving telephone net-
work information
On Off Flash Off
Retrieving telephone line
information
On Flash Flash Off
Activating telephone
service
Normal Operation
