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N1200-320 4Gb Network Storage Router user and service guide 87
Diagnostics mode
When this option is selected from the System Utilities menu, a confirmation message appears to verify the
selection. If a response of Y (yes) is given to the confirmation message, current network storage router
activities are interrupted while the unit restarts itself and enters diagnostics mode. The power-up messages
appear followed by the diagnostics menu (see Figure 69).
Figure 69 System diagnostics mode
• Select 1 to perform a loopback test of the Ethernet connection on the network storage router unit. For
the test to be performed correctly, an Ethernet loopback connector must be attached to the network
storage router’s Ethernet port before selecting this option.
• Select 2 to perform a loopback test of the Fibre Channel connection on the network storage router unit.
For the test to be performed correctly, a Fibre Channel loopback connector must be attached to the
network storage router’s Fibre Channel port before selecting this option.
Selecting X (exit) from System Diagnostics Mode has a confirmation message to verify the selection. If Y
(yes) is given to the confirmation message, the network storage router restarts itself and enters normal
operation mode. The power-up messages appear followed by the main menu.
NOTE: When exiting System Diagnostics Mode, remove any diagnostics cables before restarting the unit.
System Diagnostics Mode
X.XX.XX XXXXXX XXXXXXXXXXXXXXXX
07/7/2005 08:56:22
1) Perform Ethernet External Loopback Test
2) Perform Fibre Channel Loopback Test
X) Exit diagnostics mode and reboot