D-Link DGS-3000 Series Reference Manual page 24

The fields that can be configured are described below:
Parameter
From Port / To Port
High Alarm (0-
6.5535)
Low Alarm (0-
6.5535)
High Warning (0-
6.5535)
Low Warning (0-
6.5535)
Click the Apply button to accept the changes made.
DDM Status Table
This window is used to display the current operating digital diagnostic monitoring parameters and their values on the
SFP module for specified ports.
To view the following window, click System Configuration > Port Configuration > DDM > DDM Status Table as
shown below:
DGS-3000 Series Gigabit Ethernet Switch Web UI Reference Guide
Figure 2-8 DDM RX Power Threshold Settings window
Description
Select a range of ports to be configured.
This is the highest threshold for the alarm. When the operating parameter rises above this
value, action associated with the alarm will be taken.
This is the lowest threshold for the alarm. When the operating parameter falls below this
value, action associated with the alarm will be taken.
This is the highest threshold for the warning. When the operating parameter rises above
this value, action associated with the warning will be taken.
This is the lowest threshold for the warning. When the operating parameter falls below this
value, action associated with the warning will be taken.
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