User`s guide
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.
Cable Modem Start Up Sequence
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
DS US Online Link Description
Flash
Off Off Off Downstream search
On Flash
Off Off Downstream found; upstream search
On On Flash
Off
Downstream and Upstream found; retrieving
setup information from cable operator
On On On On
Ready for service
Touchstone TM702 Telephony Modem User’s Guide
Safety
Getting
Started
Battery
Installation Installation
USB
Drivers
Ethernet
Configuration Usage Troubleshooting Glossary
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