HP 1420-24G-PoE+ Manuel de démarrage - Page 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
1.
Verify that the correct power source is used and the power cords
are correctly connected.
2.
Verify that the power source side provides power supply correctly.
1.
Verify that the network cable is correctly connected to the network
port of the switch.
2.
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.
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