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.
Note
:
The
DS
and
US
indicators flash yellow during startup, and turn green if
the Telephony Modem establishes an ultra-high speed connection. The
Link
indicator may be yellow or green, as determined by the table on the
previous page.
Power,
DS, US,
Online
Link
Telephone
Battery*
Description
1
2
Off
Off
Off
Off
Off
No power to Cable
Modem
Flash
Flash
Flash
Flash
Flash
Power-on Self Test
See “Cable Modem Start Up Sequence” Below
On
On
Flash
Off
Off
Retrieving telephone
network information
On
On
Off
Flash
Off
Retrieving telephone
line information
On
On
Flash
Flash
Off
Activating telephone
service
Normal Operation
* = Battery LEDs only apply to those models with battery backup
Touchstone TM722 Telephony Modem User’s Guide
61
