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Touchstone DTM602G Telephony Modem Setup Guide
44
Indicator Lights for the DTM602G Models
The Touchstone Telephony Modem has eleven indicator lights to assist in troubleshooting.
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
.
Wiring Problems
If the Telephony Modem flashes 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 unde-
sired voltage on the lines. If this pattern persists for more than 10 seconds, disconnect the tele-
phone 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
Telephone
1/2
Battery
VMWI
Info
HS
Registration
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
Flash
= There
is a new
voicemail.
On = Info
service
available
Flash
=
Connecting to
Info service.
Flash
=
Registering HS
On =
On-hook
Flash
=
Off-hook
Off = disabled
Off = Battery
power
Flash
=
Battery bad or
low
Off =
There is no
new voicemail.
Off = Info
service not
available
AC Power
Good
On
No AC Power
Battery
Installed
Flash
Off
Off
Off
Off
Off
No AC Power
No Battery
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Firmware
Upgrade
On
Flash
Flash
On (normal
operation)
(normal
operation)
(normal
operation)
(normal
operation)
(normal
operation)
(normal
operation)
