D-Link DGS-3427 Product Manual - Page 112
PoE, PoE System Settings
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xStack® DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch IPv6 Address Tick the check box and enter an IPv6 address. Click Apply to implement the changes. To remove an entry, click the corresponding button. PoE The DGS-3426P switch supports Power over Ethernet (PoE) as defined by the IEEE 802.3af. Ports 1-24 can supply about 48 VDC power to Powered Devices (PDs) over Category 5 or Category 5E UTP Ethernet cables. The DGS-3426P follows the standard PSE (Power Sourcing Equipment) pinout Alternative A, whereby power is sent out over pins 1, 2, 3 and 6. The DGS-3426P works with all D-Link 802.3af capable devices. The DGS-3426P includes the following PoE features: Auto-discovery recognizes the connection of a PD (Powered Device) and automatically sends power to it. The Auto-disable feature occurs under two conditions: first, if the total power consumption exceeds the system power limit; and second, if the per port power consumption exceeds the per port power limit. Active circuit protection automatically disables the port if there is a short. Other ports will remain active. Based on 802.3af/at PDs receive power according to the following classification: Class 0 1 2 3 Maximum power available to PD 12.95W 3.84W 6.49W 12.95W PSE provides power according to the following classification: Class Max power used by PSE 0 15.4W 1 4.0W 2 7.0W 3 15.4W User define 16.8W To configure the PoE features on the DGS-3426P, click Administration > PoE. The PoE System Settings window is used to assign a power limit and power disconnect method for the whole PoE system. To configure the Power Limit for the PoE system, enter a value between 37W and 370W for the DGS-3426P in the Power Limit field. The default setting is 370W. When the total consumed power exceeds the power limit, the PoE controller (located in the PSE) disconnects the power to prevent overloading the power supply. PoE System Settings This window is used to configure PoE settings on the Switch. To view this window, click Administration > PoE > PoE System Settings, as shown below. 103