xStack® DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Web UI Reference Guide
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Figure 2-12 Port Error Disabled window
The fields that can be displayed are described below:
Parameter Description
Port
Display the port that has been error disabled.
Port State
Describe the current running state of the port, whether enabled or disabled.
Connection Status
Display the uplink status of the individual ports, whether enabled or disabled.
Reason
Describe the reason why the port has been error-disabled, such as it has become a
shutdown port for storm control.
Jumbo Frame Settings
The Switch supports jumbo frames. Jumbo frames are Ethernet frames with more than 1,518 bytes of payload. The
Switch supports jumbo frames with a maximum frame size of up to 9216 bytes.
To view the following window, click System Configuration > Port Configuration > Jumbo Frame Settings, as
shown below:
Figure 2-13 Jumbo Frame Settings window
The fields that can be configured are described below:
Parameter Description
Jumbo Frame
Use the radio buttons to enable or disable the Jumbo Frame function on the Switch. The
default is Disabled. The maximum frame size is 1536 bytes.
Click the Apply button to implement changes made.
PoE
The DES-3528P/DES-3552P Switch supports Power over Ethernet (PoE) as defined by the IEEE 802.3af. Ports 1
to 8 can support PoE up to 30W. (DES-3528P) Ports 1 to 24/(DES-3552P) Ports 1 to 48 can supply about 48 VDC
power to Powered Devices (PDs) over Category 5 or Category 3 UTP Ethernet cables. The DES-3528P/DES-
3552P follows the standard PSE (Power Sourcing Equipment) pinout Alternative A, whereby power is sent out over
pins 1, 2, 3 and 6. The DES-3528P/3552P works with all D-Link 802.3af capable devices.
The DES-3528P/DES-3552P includes the following PoE features:
• Auto-discovery recognizes the connection of a PD (Powered Device) and automatically sends power to it.
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