| Models | NS-208PSE | NSM-208PSE | NS-208PSE-4 | NSM-208PSE-4 | 
					
						| 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 | IEEE 802.3x flow control, back pressure flow control | 
					
						| Interface | 
					
						| RJ-45 Ports | 10/100 Base-T(X) auto negotiation speed, F/H duplex mode, and auto MDI/MDI-X connection | 
					
						| LED Indicators | Power, Link/Act, Power Device is detected | 
					
						| Ethernet Isolation | 1500 Vrms 1 minute | 
					
						| EMS Protection | Yes | 
					
						| Power Input | 
					
						| Input Voltage Range | +46 ~ +55 VDC for PoE output | 
					
						| Power Consumption | 0.1 A @ 48 VDC without PD loading 2.8 A @ 48 VDC with PD full loading
 | 0.09 A @ 48 VDC without PD loading 1.45 A @ 48 VDC with PD full loading
 | 
					
						| Protection | Power reverse polarity protection | 
					
						| EMS Protection | Yes | 
					
						| Connection | 3-Pin Removable Terminal Block | 
					
						| PoE Technology | 
					
						| PoE Compliance | 100% IEEE 802.3af compliant | 
					
						| PoE Classification | PSE (Power Sourcing Equipment) | 
					
						| PoE Voltage | +46 ~ +55 VDC depending on power input | 
					
						| PoE Power | Up to 15.4 watts per channel | 
					
						| PoE Operation | Automatic detection and power management | 
					
						| PoE Pin Assignments | V+ (Pin 1, 2), V- (Pin 3, 6) | 
					
						| PoE Disconnect Mode | DC disconnect | 
					
						| Mechanical | 
					
						| Casing | Plastic (Flammability UL 94V-0) | Metal (IP30 Protection) | Plastic (Flammability UL 94V-0) | Metal (IP30 Protection) | 
					
						| Dimensions (W x L x H) | 31 mm x 157 mm x 113 mm | 25 mm x 168 mm x 119 mm | 31 mm x 157 mm x 113 mm | 25 mm x 168 mm x 119 mm | 
					
						| Installation | DIN-Rail Mounting | 
					
						| Environment | 
					
						| Operating Temperature | -40 °C ~ +75 °C | 
					
						| Storage Temperature | -40 °C ~ +85 °C | 
					
						| Ambient Relative Humidity | 10% ~ 90% RH, non-condensing |