User`s guide

Touchstone TM401 Telephony Modem User’s Guide 31
Safety Getting Started Installation Ethernet Configuration Usage Troubleshooting Glossary
Indicator Lights for the TM401
The Touchstone Telephony Modem has six 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 Telephone
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