The NS-205PSE is a 5-port unmanaged PoE (Power-over-Ethernet) Industrial Ethernet switch, it has 4 PoE ports which are classified as power source equipments (PSE).The NS-205PSE makes centralized power supply come true and provides up to 15.4 watts of power per port. The NS-205PSE can be used to power IEEE802.3af compliant powered devices (PD) by Ethernet cable and eliminates the need for additional power wiring.
Automatic MDI / MDI-X crossover for plug-and-play
Each port supports both 10/100Mbps speed auto negotiation
Full duplex IEEE 802.3x and half duplex backpressure flow control
3.2 Gbps high performance memory bandwidth.
Power Inputs +46 ~ +55V DC
Supports operating temperatures from -30°C ~ +75°C
DIN rail mount
IEEE 802.3af Compliant PoE Ports
Four PoE ports with Power Sourcing Equipment (PSE) operation
Auto-detection of PD (powered devices) and automatic power management
Over-temperature, over-current and over/under-voltage detection
IEEE 802.3, 802.3u, 802.3x ,802.3af (Power over Ethernet)
Store & forward wire speed switching
Frame buffer memory
IEEE802.3x flow control, back pressure flow control
10/100 Base-T(X) auto negotiation speed, F/H duplex mode,
and auto MDI/MDIX connection
We use the NS-205PSE to connect our NEC SV8500's together running an application that allows the two sv8500's to act as one switch essentially. They meet the DC power requirements making powering them from the switch easy and they've worked flawlessly.