Touchstone TM402 Telephony Modem User’s Guide
44
Getting
Battery
USB
Ethernet
Safety
Started
Installation
Installation
Drivers
Configuration
Usage
Troubleshooting
Glossary
Indicator Lights for the TM402A and TM402B Models
The Touchstone Telephony Modem has seven LEDs to assist in troubleshooting.
Patterns: Normal Operation
The following table shows light patterns during normal operation.
See
Using the Standby Button
for more information about the standby mode.
Table 1:
Mode
Power
DS
US
Online
Link
Tel. 1/Tel. 2
A/C
Power
On
On
=
Online
Flash
=
Off-line
On
=
Online
Flash
=
Off-line
On
=
network
available
Off =
network
not
available
On
=
Computer
Connected
Off =
Computer
disconnected
Flash
=
Computer
Activity
On
=
On-hook
Flash
= Off-
hook
Off = disabled
AC
Power
Fail
Flash
Off
Off
Off
Off
On
=
On-hook
Flash
= Off-
hook
Off = disabled