Arris VIP2500 User's Guide download pdf (Page 46)

Touchstone TM402 Telephony Modem User’s Guide 47

Getting Battery USB Ethernet

Safety Started Installation Installation Drivers Configuration Usage Troubleshooting Glossary

LED Indicators: 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

1212

Off Off Off Off Off Off No power to Cable Modem

Flash Flash Flash Flash Flash Flash Power-on Self Test**

See “Cable Modem Start Up Sequence” Below

On On Flash Off Off Off Retrieving telephone network

information

On On Off Flash Off Off Retrieving telephone line information

ON On Flash Flash Off Off Activating telephone service

Normal Operation

* = Battery LED only applies to those models with battery backup

** = If this pattern of all LEDs flashing persists, the Telephony Modem has detected foreign voltage

on the telephone line. Disconnect the telephone connection and call a qualified telephone installer to

troubleshoot.

Power DS US Online Description

On Flash Off Off Downstream search

On On Flash Off Downstream found, upstream search

On On On flash Downstream and Upstream found,

retrieving setup information from cable

operator

CM Normal Operation

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Arris VIP2500 User's Guide Page 46