PROBLEM
PROBABLE CAUSE
SOLUTION
extension does not work, replace the
extension.
The PBX does not operate
properly.
•
Restart the PBX (refer to "6.1.4 Restarting
the PBX").
•
Turn off the power switch, and then turn it
back on.
•
Turn off the power switch, and then unplug
the PBX. After 5 minutes, plug the PBX
back in, and turn the power switch back
on.
Noise on external paging.
•
Induced noise on the
wire between the
PBX and the
amplifier.
•
Use a shielded cable as the connection
wire between the PBX and amplifier. A
short shielded cable is recommended.
The STATUS indicator on
the front of the cabinet
turns on red.
•
A major system error
occurs in the PBX.
See the error log using Web Maintenance
Console.
The LINK indicator of the
mother board does not turn
on.
•
Mother board
malfunction
•
Replace the mother board (be sure to turn
off the PBX when replacing).
•
Poor connection.
•
Make sure that an 8-pin twisted pair cable
is used for connection.
•
Make sure that none of the CAT 5/CAT 5e
cables in use are over 100 m (328 ft) in
length.
•
Make sure that a straight cable is used for
connection to a switching hub.
•
Network malfunction
•
Make sure that all network devices in use
are switched on.
6.1.1 Installation
99
