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User Guide 132
Configuring DDM (Only for Certain Devices) Overview
1
Overview
Note:
DDM is only available on certain devices. To check whether your device supports this feature, refer to
the actual web interface. If DDM is available, there is L2 FEATURES > Switching > DDM in the menu
structure.
The DDM (Digital Diagnostic Monitoring) function is used to monitor the status of the SFP
modules inserted into the SFP ports on the switch. The user can choose to shut down
the monitored SFP port automatically when the specified parameter exceeds the alarm
threshold or warning threshold. The monitored parameters include: Temperature, Voltage,
Bias Current, Tx Power and Rx Power.
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