5.1 Troubleshooting
PROBLEM
The LINK indicator of the IP-
EXT/IP-GW/IPCMPR does not
turn on.
238
Installation Manual
PROBABLE CAUSE
•
IP-EXT/IP-GW card
malfunction
•
IPCMPR card malfunction
•
Poor connection
•
Network malfunction
SOLUTION
•
Replace the corresponding card.
•
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.