4. When inserting the PSU, do not use unnecessary force. Doing so can damage the connectors on the
rear of the PSU and on the midplane.
5. Plug the AC power cord into a power source such as a wall socket or power strip.When you apply
power, the Power LED on the switch front panel lights. If your switch supports two PSUs, either the
Power 1 LED or Power 2 LED on the switch front panel lights, depending on which PSU you installed.
If the Power LED does
If the Power LED does not light, make sure that the power cord is plugged in correctly
and that the power source is good.
Note
Troubleshooting Chart
The following table lists symptoms, causes, and solutions for possible problems.
Maintenance and Troubleshooting
56
Managed Stackable Switch Series M4300
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