Troubleshooting guide

(Edition 7)
Summary of amendments
Location and title Changes
Failures occurring when the Ring
Protocol functionality is used
 A description of the multi-fault monitoring functionality was added.
In addition to the above changes, minor editorial corrections were made.
(Edition 6)
Summary of amendments
Location and title Changes
Update by using the ppupdate
operation command is not possible
 A description related to action against failure to update prior to Ver.
2.3.A software was added. [AX1240S]
Restoring data by using the restore
operation command is not possible
 A description related to action against failure to restore backup files
including those prior to Ver. 2.3.A software was added. [AX1240S]
In addition to the above changes, minor editorial corrections were made.
(Edition 5)
Summary of amendments
Location and title Changes
NTP communication failures  The description related to checking the time zone was changed.
Failures in long-life solution support  This subsection was added.
Appendix A Detailed Description of
the "show tech-support" Command
 This chapter was added.
In addition to the above changes, minor editorial corrections were made.
(Edition 4)
Summary of amendments
Location and title Changes
Addition of series  A description of AX1250S was added.
Actions to be taken for 100BASE-FX
[AX1250S]/1000BASE-X problems
 A description of 100BASE-FX was added.
In addition to the above changes, minor editorial corrections were made.