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An example of the error:
# get switch poe inline
Power Fault: Error Type 28 (Port is off: Non-802.3af powered device)
Explanation:
In this error, the PSE controller assumes the connected device isn't an 802.3af PD. This can happen even if the device is getting POE.
This is normal diagnostic error info related to the setup environment, the cable, and the remote side device. It's possible that the device is a pre-standard device, meaning it is not an 802.3af PD.
To work around this error, try enabling POE pre-standard detection:
# config switch global
set poe-pre-standard-detect enable
end
NOTE:
PoE pre-standard detection is a global setting for the following FortiSwitch models: 'FSR-112D-POE, FS-548D-FPOE, FS-524D-FPOE, FS-108D-POE, FS-224D-POE, FS-108E-POE, FS-108E-FPOE, FS-124E-POE, FS-124E-FPOE, 148F-POE, and 148F-FPOE'. For the other FortiSwitch PoE models, PoE pre-standard detection is set on each port.
# config switch physical-port
edit port#
set poe-pre-standard-detect enable
end
Related Articles:
- Troubleshooting Tip: Diagnosing a POE fault on a FortiSwitch
- Troubleshooting Tip: Power Fault: Power Fault: Error Type 36 (Port is off voltage)
- Troubleshooting Tip: POE fault 4 (Port is yet undefined)
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