Panasonic KX-NCP500 Installation Manual page 138

5.1.1 Installation
PROBLEM
The LINK indicator of the
IPCMPR does not turn on.
138 Installation Manual
PROBABLE CAUSE
•
IPCMPR card
malfunction
•
Poor connection.
•
Network malfunction
SOLUTION
•
Replace the IPCMPR card (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 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.