D-Link DGS-1250 Quick Install Guide - Page 36

DGS-1250 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide Feature PoE Ports DGS-1250-28XMP DGS-1250-52XMP Description  DEM-433XT (10GBASE-ER, single-mode, 40 km, without DDM)  DEM-434XT (10GBASE-ZR, single-mode, 80 km, without DDM) WDM (BiDi) SFP+ Transceivers Supported:  DEM-436XT-BXD (10GBASE-LR, single-mode, 20 km, TX: 1330 nm / RX: 1270 nm, without DDM)  DEM-436XT-BXU (10GBASE-LR, single-mode, 20 km, TX: 1270 nm / RX: 1310 nm, without DDM) SFP+ Direct Attached Cables (DAC) Supported:  DEM-CB100S (10G SFP+, 1 m) for stacking or uplinking  DEM-CB300S (10G SFP+, 3m) for stacking or uplinking Supports the following:  IEEE 802.3af PoE and IEEE 802.3at PoE+ compliance  Power (DGS-1250-28XMP: Ports 1 to 24 and DGS-1250-52XMP: Ports 1 to 48) to PD devices up to 15.4 Watt per port (802.3af) or 30 Watt per port (802.3at) and more sufficiently is able to provide power to PD devices  The auto-discovery feature automatically recognizes the connection of the PD device and immediately provides power  Automatically disable ports if the port current is over 600mA while. Other ports will remain active  Active circuit protection automatically disables the port if there is a short while other ports remain active  For 802.3af/at capable devices it will provide the power for the following classifications below: Class Usage Max Power used by PD 0 Default 0.44 Watt to 12.95 Watt 1 Optional 0.44 Watt to 3.84 Watt 2 Optional 3.84 Watt to 6.49 Watt 3 Optional 6.49 Watt to 12.95 Watt 4 Optional (802.3at Only) 12.95 Watt to 25.5 Watt  For 802.3af/at capable devices it will provide the power for the following classifications below:  The PoE switch works with all D-Link 802.3af and 802.3at capable devices and with all non-802.3af and non-802.3at capable D-Link Access Points, IP Cameras and IP Phones  The total PoE power budget of the: o DGS-1250-28XMP is 370 Watts o DGS-1250-52XMP is 370 Watts 31