ARRIS TM602 User Guide - Manual (Page 63)

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Getting Battery USB Ethernet
Safety Started Installation Installation Drivers Configuration Usage Troubleshooting Glossary
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