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4.1 Troubleshooting
Installation Manual 237
310* Port Link Failure • Voice Processing System
malfunction
• Ports defective on optional
service card: DHLC, DLC
• Check the Voice Processing System
• See if the corresponding optional
service card is installed properly
• Replace the corresponding optional
service card
320 IP-GW H.323
Dummy Call Test
Error
• Detection of IP-GW H.323
Dummy Call Test error
• Replace the corresponding optional
service card
• Collect the log data of IP-GW (refer to
the documentation for the IP-GW card)
321 IP-GW Gatekeeper
Error
• Detection of Gatekeeper
access error
• Check the IP address setting of
Gatekeeper
• Check whether the Gatekeeper is
connected to the network and work
properly
• Check the route to the Gatekeeper
322 IP-GW Gatekeeper
Registration Error
• Gatekeeper Registration
is failed
• Check the Gatekeeper setting
323 IP-GW SDRAM
Failure
• Detection of IP-GW
SDRAM error
• Replace the corresponding optional
service card
324 IP-GW DPRAM
Failure
• Detection of IP-GW
DPRAM error
• Replace the corresponding optional
service card
325 IP-GW LAN Chip
Failure
• Detection of IP-GW LAN
Chip failure
• Replace the corresponding optional
service card
• Collect the log data of IP-GW (refer to
the documentation for the IP-GW card)
326 IP-GW Stop • IP-GW is stopped from a
remote maintenance PC
• This information is logged when IP-GW
is stopped from a remote maintenance
PC
330 Loop current
detection error
• Detection of LCOT loop
current error
• Change the corresponding trunk status
back to In Service
• Enter the feature number to clear Busy
Out status
• The trunk status is automatically
changed back to In Service by system
diagnosis performed at a
preprogrammed time every day
350 IP-unit SDRAM bit
error
• Optional service card
malfunction: IP-EXT
• The IP-EXT card will be rebooted
automatically if the error is temporary
• Replace the corresponding IP-EXT
card if the card is not rebooted
351 IP-unit download
data check-sum error
352 IP-unit DSP failure • Optional service card
malfunction: IP-EXT
• Replace the corresponding optional
service card
Error Code Error Message PROBABLE CAUSE SOLUTION