Installation guide

Troubleshooting 163
Synapse Installation Guide
T1 Gateway Indicators
Symptom Probable Cause Corrective Action T1 Gateway Indicators
I cannot make or receive
phone calls and the T1
Gateway SYN/ACT LED is
Green.
There are no T1 channels
available to make the call.
 Check the T1 trunk configuration.
a. Log in 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.
I cannot make or receive
phone calls and the
T1 Gateway RAI/LOF/LOS
LED is Yellow.
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, Build out) correspond to the
service provider's.
2. If the problem remains, contact your T1 service provider.
I cannot make or receive
phone calls and the
T1 Gateway RAI/LOF/LOS
LED is RED.
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.