Panasonic KX-HTS Series Manual page 84

6.1.1 Installation
PROBLEM
The PBX does not operate
properly.
Noise on external paging.
The STATUS indicator on
the front of the cabinet turns occurs in the PBX.
on red.
The LINK indicator of the
mother board does not turn
on.
PROBABLE CAUSE
• Induced noise on the
wire between the PBX
and the amplifier.
• A major system error
• Mother board
malfunction
• Poor connection.
• Network malfunction
SOLUTION
• Restart the PBX (refer to
6.1.5 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.
• Use a shielded cable as the connection
wire between the PBX and amplifier. A
short shielded cable is recommended.
See the error log using Web Maintenance
Console
• Replace the mother board (be sure to turn
off the PBX when replacing).
• 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 in length.
• Make sure that a straight cable is used for
connection to a switching hub.
• Make sure that all network devices in use
are switched on.