D-Link DES-1228/ME User Manual page 44

State
Connection
Reason
Description
DES-1228/ME Layer 2 Fast Ethernet Managed Switch
Describes the current running state of the port, whether Enabled or Disabled.
This field will show if a port has been disabled due to an error detected in the port.
Describes the reason why the port has been error-disabled, such as a STP loopback
occurrence.
This field further describes the specifics of the action.
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