Gateway Troubleshooting
117
AT&T SB67010 Gateway, SB67030 Deskset System Administrator’s Guide
Bypass port does not work
during power failure.
The PSTN line is not in the
correct port.
Make sure there is a PSTN line plugged into Line 4.
Make sure an analog phone is plugged into the
bypass port (using a modular line cord).
Red line lights do not flash
when the telephone line
cords are plugged into the
Gateway after power is
switched on.
Line calibration allows the
Gateway to adjust its
performance depending on the
phone lines’ characteristics. The
Gateway may not have
performed calibration.
Make sure an Ethernet cable is plugged into the port
marked LAN.
Unplug the telephone line and wait two full seconds
for the Gateway line LED to turn red before plugging
it back in.
Symptom
Probable Cause
Corrective Action