D-Link DES-3052P Product Manual - Page 79
PoE System, PoE System Configuration, Administration > PoE System > PoE System Configuration
UPC - 790069305368
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DES-3028 DES-3028P DES-3028G DES-3052 DES-3052P Layer 2 Fast Ethernet Managed Switch PoE System The DES-3028P and DES-3052P support Power over Ethernet (PoE) as defined by the IEEE 802.3af specification. Ports 1-24/148 can supply 48 VDC power to Power Devices (PDs) over Category 5 or Category 3 UTP Ethernet cables. Both the DES-3028P and DES-3052P follow the standard PSE (Power Source over Ethernet) pinout Alternative A, whereby power is sent out over pins 1, 2, 3 and 6. Both the DES-3028P and DES-3052P work with all D-Link 802.3af capable devices. The DES-3028P and DES-3052P include the following PoE features: Auto-discovery recognizes the connection of a PD (Power Device) and automatically sends power to it. The Auto-disable feature will occur 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. PDs receive power according to the following classification: PSE provides power according to the following classification: Class Max power used by PD Class Max power used by PSE 0 0.44 to 12.95W 0 15.4W 1 0.44 to 3.84W 1 4.0W 2 3.84 to 6.49W 2 7.0W 3 6.49 to 12.95W 3 15.4W To configure the PoE features on the DES-3028P and DES-3052P, click Administration > PoE Configuration. The PoE System 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 185W (for the DES-3028P) and between 37W and 370W (for the DES-3052P) in the Power Limit field. The default setting is 185W (DES-3028P) and 370W (DES-3052P). 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. To configure PoE for the Switch, click Administration > PoE System > PoE System Configuration, which will reveal the following window for the user to configure: PoE System Configuration Figure 6- 43. PoE System Configuration window 65