HP 1420 Series Руководство по началу работы - Страница 23

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Appendix C Troubleshooting

Table 10

describes the troubleshooting methods for common issues that you might encounter while using

and managing the switch.

If a problem persists, contact HP Support.

Table 10 Troubleshooting methods

Symptom

Power LED off

LAN interface LED off

Troubleshooting method

Verify that the correct power source is used and the power cords

are correctly connected.

Verify that the power source side provides power supply correctly.

Verify that the network cable is correctly connected to the network

port of the switch.

Insert the two ends of a network cable into two network ports of the

switch. If the port LEDs are off, replace the network cable.