Indicator Lights: Startup Sequence; Telephony Modem Start Up Sequence - Arris Touchstone TM822 User Manual

Getting
Safety Started
Battery
Installation Installation

Indicator Lights: Startup Sequence

The following table shows the Telephony Modem 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 Modem Start Up Sequence

Power, DS,
US, Online
Off
Flash
On
On
On
Note:
Touchstone TM822 Telephony Modem User's Guide
Ethernet
Configuration Usage
Telephone
1 2
Off Off No power to Cable Modem
Flash Flash Power-on Self Test
"Cable Modem Start Up Sequence" Begins
Retrieving telephone network in-
Flash Off
formation
Retrieving telephone line informa-
Off Flash
tion
Flash Flash Activating telephone service
Normal Operation Begins
The DS and US indicators flash yellow during startup, and turn green if
the Telephony Modem establishes an ultra-high speed connection. For
some cable companies these colors may be reversed. The Link indica-
tor may be yellow or green, as determined by the table on the previous
page.
Troubleshooting Glossary
Description
44