NS-205PSE Unmanaged POE Ethernet Switch

The NS-205PSE is a 5-port unmanaged PoE (Power-over-Ethernet) Industrial Ethernet switch, it supports 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
Store-and-forward architecture
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 –40 ~ +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?
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? Technology
Standards? IEEE 802.3, 802.3u, 802.3x ,802.3af (Power over Ethernet)
Processing Type Store & forward, wire speed switching
MAC Addresses 1024
Memory Bandwidth 3.2 Gbps
Frame buffer memory 512 Kbit
Flow Control? IEEE802.3x flow control, back pressure flow control
Interface
RJ45 ports 10/100 Base-TX auto negotiation speed, F/H duplex mode,
and auto MDI/MDI-X connection
LED Indicators Power, 10/100M, Link/Act .
Ethernet Isolation 1500 Vrms 1 minute
Frame Ground for EMS Protection Yes
Cable? Ethernet : 2-pair UTP/STP Cat.3,4,5, EIA/TIA-568 100-ohm
Fast Ethernet : 2-pair UTP/STP Cat. 5, EIA/TIA-568 100-ohm
Power Input
Input Voltage Range +46 ~ +55VDC for PoE output
Power consumption 1.3A@48VDC, +/- 5% arrowed
Protection Power reverse polarity protection
Frame Ground for EMS Protection Yes
Connection? 3-Pin Removable Terminal Block
PoE Output
PoE Compliance? 100% IEEE 802.3af compliant
PoE Classification PSE (Power Sourcing Equipment)
PoE Voltage +46 ~ +48 VDC depending on power input
PoE Power Up to 15.4 watts per channel
PoE Operation Automatic detection and power management
Mechanical?
Casing Plastic
Flammability? UL 94V-0
Dimensions? 33 mm x 107 mm x 99 mm (W x L x H)
Installation DIN rail mount
Environmental
Operating Temperature? -40 ~ +75°C
Storage Temperature? -40 ~ +85°C
Ambient Relative Humidity 10% to 90% RH, non-condensing
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? back????
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? NS-205PSE CR??? Unmanaged Ethernet switch with 4 PoE and 1 RJ45 uplink (RoHS)?