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Touchstone TM602 Telephony Modem User’s Guide
62
Getting
Battery
USB
Ethernet
Safety
Started
Installation
Installation
Drivers
Configuration
Usage
Troubleshooting
Glossary
Indicator Lights for the TM602G/H Models
The Touchstone Telephony Modem has eight indicator lights to assist in troubleshooting. Note that
not all models have a Battery light.
Battery Mismatch
If the Telephony Modem alternates flashing the Battery light and all other lights, the installed bat-
tery is incompatible with the Telephony Modem. Remove the battery and install one of the batteries
described in
Battery Installation and Replacement (TM602G/H Models Only)
.
Wiring Problems
If the Telephony Modem begins flashing all its lights for more than 10 seconds, this indicates a prob-
lem 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.
Indicator Lights: Normal Operation
The following table shows light patterns during normal operation.
Mode
Power
DS
US
Online
Link
Tel. 1/Tel. 2
Battery
AC Power
Good
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
On =
Battery good
or low
Off =
Battery
missing or MTA
not registered
Flash
=
Battery bad
No AC
Power
Battery
Installed
Flash
Off
Off
Off
Off
On =
On-hook
Flash
=
Off-hook
Off = disabled
Off = Battery
power
Flash
=
Battery bad or
low
No AC
Power
No Battery
Off
Off
Off
Off
Off
Off
Off
Firmware
Upgrade
On
Flash
Flash
On
(normal
operation)
(normal
operation)
(normal
operation)
