xStack® DGS-3120 Series Layer 3 Managed Gigabit Ethernet Switch Web UI Reference Guide
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Figure 2-19 PoE System Settings window
The following parameters can be configured:
Parameter Description
Unit Select the unit you wish to configure. Tick the All check box to select all units. (EI and
Power Limit (37-
760)
Sets the limit of power to be used from the Switch’s power source to PoE ports. The user
may configure a Power Limit between 37W and 760W for the DGS-3120-24PC and
Power Disconnect
Method
The PoE controller uses either Deny Next Port or Deny Low Priority Port to offset the
power limit being exceeded and keeps the Switch’s power at a usable level. Use the drop
down menu to select a Power Disconnect Method. The default Power Disconnect
Method is Deny Next Port. Both Power Disconnection Methods are described below:
Deny Next Port – After the power limit has been exceeded, the powered port with the
highest port number will be denied, regardless of its priority. If Power Disconnection
Method is set to Deny Next Port, the system cannot utilize out of its maximum power
capacity. The maximum unused watt is 19W.
Deny Low Priority Port – After the power limit has been exceeded, the next port
attempting to power up causes the port with the lowest priority to shut down so as to
Click Apply to implement changes made.
PoE Port Settings
To view the following window, click System Configuration > PoE > PoE Port Settings, as shown below:
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