Led Troubleshooting - Lantronix SM24TBT2DPA Install Manual

Lantronix

LED Troubleshooting

Use the table below to troubleshoot problems by taking actions based on the suggested solutions within.
Symptom Possible Cause
SYSTEM LED is
The switch is not
Off receiving power.
An abnormal
SYSTEM LED is state has been
RED detected by the
switch.
Port Status LED is The port is not
Off in connected or the
Link/Act/Speed connection is not
Mode working.
Port Status LED is The port is not
Off in PoE Mode supplying power
33737 Rev. L
Table 5: Troubleshooting
Suggested Solution
1. Check if correct power cord is connected firmly to the switch and to
the AC outlet socket.
2. Cycle switch by unplugging and plugging the power cord back into
the switch.
3. If the LED is still off, try to plug power cord into a different AC outlet
socket to make sure correct AC source is supplied.
Check the switch system log via the Web UI for any abnormal
state (e.g., exceeding operating temperature range) and take
corresponding actions to resolve.
1. Check if the cable connector plug is firmly inserted and locked into
the port at both the switch and the connected device.
2. Make sure the connected device is up and running correctly.
3. If the symptom still exists, try a different cable or different port, in
order to identify if it is related to the cable or specific port.
4. Check if the port is disabled in the config settings via the Web UI.
1. Check if the cable connector plug is firmly inserted and locked into
the port at both the switch and the connected device.
2. Make sure that correct Ethernet cables are used.
3. If the symptom still exists, try a different cable or different port, in
order to identify if it is related to the cable or specific port.
4. Check if the port is disabled in the config settings via the Web UI.
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SM24TBT2DPA Install Guide
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