Allied Telesis AT-S88 - Manual (Page 49)

AT-S88 Management Software User’s Guide
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Diagnosing PoE Port Problems
If the powered device on a PoE port appears to be operating abnormally,
you can perform a diagnostic test on the port to identify a potential
problem.
To perform port diagnosis, perform the following procedure:
1. From the main menu, select PoE.
The Power over Ethernet page is shown in Figure 11 on page 36.
2. In the Port Diagnosis section, select a port from the Port list and click
Query.
The Port Diagnosis section displays the current PoE status of the port,
an example of which is shown in Figure 12.
Figure 12. Port Diagnosis Example
The port diagnosis information verifies whether or not the device
connected to that port is a valid powered device along with other
information about its power usage.