Please check the following.
1) Have you made any network configuration changes?
2) Have you done any network allocation?
3) Is the power supply working?
4) Please check if you have received a maintenance notice from JPX?
If the system does not recover, please contact JPX Service Desk (arrownet Support) by phone or e-mail with the following information.(If you require immediate assistance, please give us a call)
<Required information>
a. arrownet Line ID
b. Time of occurrence
c. Is the issue continuous?
d. Please provide the detail of the issue. (If possible, please provide the log of network equipment at the time of occurrence.)
e. Affected business system (arrowhead / Flex / J-GATE / TFX etc.)