Mercusys MS118CP handleiding
Handleiding
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10 Appendix A Troubleshooting
Unmanaged Rackmountable Switches
Appendix A Troubleshooting
Q1. Why is the Power LED not lit?
The Power LED should be lit when the power system is working normally. If the Power LED
is not lit, please check the following:
1. Ensure the AC power cord/power adapter is securely connected to both the switch and the
power source.
2. Verify that the power supply’s voltage meets the requirements of the switch’s input
voltage.
3. Confirm that the power source is on.
Q2. Why is the Link/Act LED not lit when a device is connected to the corresponding
port?
It is recommended that you check the following:
1. Make sure that the cable connectors are firmly plugged into the switch and the device.
2. Make sure the connected device is turned on and working well.
3. The cable must be less than 100 meters long (328 feet). If Extend Mode is enabled, it
should be less than 250 meters (820 feet).
Q3. Why are PoE ports not supplying power for PoE devices?
When the total power consumption of connected PoE devices exceeds the maximum, the
PoE port with a smaller port number has a higher priority. The system will cut off power to
the ports with larger port numbers to ensure supplying to other ports.
Take MS118CP as an example. If port 1, 2, 3, 4, 5 and 7 are consuming 28 W respectively,
and an additional PoE device with 25 W is inserted to port 6, the system will cut off the
power of port 7 to compensate for the overload.
Q4. What should I notice before using the PoE Auto Recovery feature?
1. Before upgrading a connected PoE powered device (PD), disable PoE Auto Recovery to
avoid the PD’s damage.
2. When a PD does not send data packets to the switch for a long period in certain scenarios
(e.g. an IPC in sleep mode), disable PoE Auto Recovery to avoid the PD repeatedly
rebooting.
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Productinformatie
| Merk | Mercusys |
| Model | MS118CP |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 1706 MB |