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,
US/DS,
Online
Telephone
Description
1
2
Off
Off
Off
No power to Cable Modem
Flash
Flash
Flash
Power-on Self Test
“Cable Modem Start Up Sequence” Begins
On
Flash
Off
Retrieving telephone network in-
formation
On
Off
Flash
Retrieving telephone line informa-
tion
On
Flash
Flash
Activating telephone service
Normal Operation Begins
Touchstone TM1602G Telephony Modem User’s Guide
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