3Com SuperStack II Switch 9300, Руководство по началу работы

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40 C
HAPTER
6: T
ROUBLESHOOTING THE
S
YSTEM
Table 7 Troubleshooting Power Failures
Symptom Possible Sources of the Problem Steps to Take
System does not power up.
■
System is not receiving power.
■
Power supply malfunctioned.
1 Verify that the building’s power outlet has power.
2 Check that the power cord is firmly inserted into the system and either the
building’s power outlet, the redundant power system, or the
uninterruptible power system.
3 If you are using an RPS or a UPS, check that it is firmly inserted into the
building’s power outlet.
4 Try another power cable.
5 If the system still does not operate, contact your network supplier or 3Com
Technical Support.
Table 8 Troubleshooting Abnormal System LED Activity
LED Status Possible Sources of the Problem Steps to Take
Fault LED blinks yellow. Diagnostic software is not running. 1 Check the Administration Console display.
2 Contact your network supplier or 3Com Technical Support.
Power LED does not light. System has failed. 1 Shut down the system by removing the power plug.
2 Contact your network supplier or 3Com Technical Support.