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5.1 Troubleshooting
238 Installation Manual
The LINK indicator of the IP-
EXT/IP-GW/IPCMPR does not
turn on.
• IP-EXT/IP-GW card
malfunction
• Replace the corresponding card.
• IPCMPR card malfunction • Replace the IPCMPR card (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
cables in use are over 100 m 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.
PROBLEM PROBABLE CAUSE SOLUTION