D-Link DGS-1510 User Manual - Page 31

DGS-1510 Series Gigabit Ethernet SmartPro Switch Web UI Reference Guide The Switch includes the following PoE features: • Auto-discovery recognizes the connection of a PD and automatically sends power to it. • The Auto-disable feature occur under two conditions: firstly, if the total power consumption exceeds the system power limit; and secondly, 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 IEEE 802.3af/at, power is received and supplied according to the following classifications: Class 0 1 2 3 4 Maximum power used by the PD 12.95 Watts 3.84 Watts 6.49 Watts 12.95 Watts 25.5 Watts Maximum power supplied by the Switch 15.4 Watts 4 Watts 7 Watts 15.4 Watts 30 Watts PoE System This window is used to configure the PoE system, and display the detailed power information and PoE chip parameters for PoE modules. To view the following window, click System > PoE > PoE System, as shown below: Figure 3-11 PoE System Window The fields that can be configured are described below: Parameter Unit Usage Threshold Policy Preempt Trap State Description Select the switch unit that will be used for this configuration here. Enter the usage threshold to generate a log and send the corresponding standard notification. The range is from 1 to 99 percent. Select to enable or disable the policy preempt function. When this function is Enabled, under the power shortage condition, power provisioned to PDs with lower priority will instead be provisioned to PDs with higher priority. When this function is Disabled, the power management mode will use the first in, first serviced method. Select this option to enable or disable the sending of PoE notifications. Click the Apply button to accept the changes made. Click the Show Detail button to see the PoE system Parameters table at the bottom of the window. 20