Manual Arris TM502 (page 56 of 70) (English)

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Home Prev Next Touchstone TM502 Telephony Modem User’s Guide 56
Getting Battery USB Ethernet
Safety Started Installation  Installation  Drivers Configuration  Usage Troubleshooting  Glossary
Indicator Lights for the TM502A/B/C Models
The Touchstone Telephony Modem has seven LEDs to assist in troubleshooting.
Wiring Problems
If the Telephony Modem begins flashing all its lights for more than 10 seconds, this in-
dicates a problem with the telephone wiring — the red and green wires may be shorted
(touching), or there may be undesired voltage on the lines. If this pattern persists for
more than 10 seconds, disconnect the telephone lines from the Telephony Modem, then
call a wiring technician for assistance.
Patterns: Normal Operation
The following table shows light patterns during normal operation. 
Mode Power DS US Online Link Tel. 1/Tel. 2
AC Power On 
On = 
Connected 
to the 
Internet
Flash = 
Not 
connected 
to the 
Internet
On = 
Connected 
to the 
Internet
Flash = 
Not 
connected 
to the 
Internet
On =
Internet 
Available
Off = 
Internet 
not 
available
On = 
Computer 
Connected
Off = 
Computer 
not 
connected
Flash = 
Computer 
Activity 
On = 
On-hook
Flash = Off-
hook
Off = disabled
No AC 
Power
Off Off Off Off Off Off 
Firmware 
Upgrade
On 
Flash  Flash  On 
(normal 
operation)
(normal 
operation)

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Arris TM502 Manual

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