Indicator Lights for the TM602A/B/S 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
indicates 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 Tele-
phony 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)
Touchstone TM602 Telephony Modem User’s Guide
Safety
Getting
Started
Battery
Installation Installation
USB
Drivers
Ethernet
Configuration Usage Troubleshooting Glossary
64
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