D-Link DWS-3160-24TC DWS-3160 Series Web UI Reference Guide - Page 16
PoE, System Configuration > PoE > PoE System Settings
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DWS-3160 Series Gigabit Ethernet Unified Switch Web UI Reference Guide PoE The DWS-3160-24PC switches support Power over Ethernet (PoE) as defined by the IEEE 802.3af and 802.3at. All ports can support PoE up to 30W. Ports 1-24 can supply about 48 VDC power to Powered Devices (PDs) over Category 5 or Category 3 UTP Ethernet cables. The Switch follows the standard PSE (Power Sourcing Equipment) pinout Alternative A, whereby power is sent out over pins 1, 2, 3 and 6. The Switches work with all D-Link 802.3af capable devices. The Switch 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: 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 802.3af/at PDs receive power according to the following classification: PSE provides power according to the following classification: Class Maximum power available to PD Class Max power used by PSE 0 15.4W 0 15.4W 1 4.0W 1 4.0W 2 7.0W 2 7.0W 3 15.4W 3 15.4W User define 31.2W To configure the PoE features on the Switch, click System Configuration > 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 1W and 370W for the Switch in the Power Limit field. 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 To view the following window, click System Configuration > PoE > PoE System Settings, as show below: 11