Installation guide

Synapse Installation Guide Back to Contents
Troubleshooting 110
T1 Gateway Indicators
I cannot make or receive phone calls and the T1 Gateway SYN/ACT LED is GREEN.
I cannot make or receive phone calls and the T1 Gateway RAI/LOF/LOS LED is YELLOW.
I cannot make or receive phone calls and the T1 Gateway RAI/LOF/LOS LED is RED.
Probable Cause Corrective Action
There are no T1 channels
available to make the call.
 Check the T1 trunk configuration.
a. Log on to the WebUI as administrator, click
System Settings, then T1 Settings.
b. Verify that Number of Voice Channels and
Lowest Voice Channel have been
configured correctly according to your T1
service.
c. Click Trunk Reservation and verify that the
assignments are correct.
Probable Cause Corrective Action
The Yellow Alarm is a
Remote Alarm Indication.
Telephone equipment outside
of your Synapse system is
sending an alarm that signals
that it is receiving unreliable
signals.
1. Check the T1 Settings to confirm that the
configuration parameters (Signaling type,
Buildout) correspond to the service provider’s.
2. If the problem remains, contact your T1 service
provider.
Probable Cause Corrective Action
The Red Alarm indicates Loss
of Frame. A signal is present,
but its pattern cannot be
interpreted.
There is an error in the signal
from the service provider.
1. Check the T1 Settings to confirm that the
configuration parameters (Signaling type, Build
out) correspond to the service provider's.
2. If the problem remains, contact your T1 service
provider.