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home > product> solutions > industrial ethernet switch & fiber switch > Selection Guide > NS-205/NS-105A/NS-205A
 
NS-205/NS-205R/NS-105A/NS-205A
Unmanaged 5-port Industrial 10/100 Mbps Ethernet Switch
 
       
  • Automatic MDI/MDI-X crossover for plug-and-play
  • Store-and-forward architecture
  • Full duplex IEEE 802.3x and half duplex backpressure flow control
  • Slim packaging fits on your DIN-Rail Mounting
  • Each port supports both 10/100 Mbps speed auto negotiation
  • Supports +12 VDC ~ +56 VDC for NS-205A
  • Supports operating temperatures from -40 °C ~ +75 °C
Model: NS-205/NS-205R Model: NS-205A Model: NS-105A
 
The NS-205/NS-205A/NS-105A has 5 Ethernet Switching ports that support 10/100 Base-TX, with a 10/100M autonegotiation feature and auto MDI/MDI-X function. It can connect 5 workstations and automatically switches the transmission speed (10 Mbps or 100 Mbps) for corresponding connections. The flow control mechanism is also negotiated. There is activity/link/data rate LEDs for each port to aid trouble-shooting. Port connectors are shielded RJ-45. It contains "soft start" function with overload protection, high-low voltage protection. The width of the NS-205/NS-205A is just 33 mm, so it can be used where space is limited.

The NS-205A/NS-105A provides +12 VDC ~ +56/53 VDC power input to fit various power source.
 
Models NS-205R NS-205 NS-205A NS-105A
Technology
Standards IEEE 802.3, 802.3u, 802.3x
Processing Type Store & forward; wire speed switching
MAC Addresses 1024 2048
Frame Buffer Memory 256 Kbit 768 Kbit
Flow Control IEEE 802.3x 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, 10/100M
Ethernet Isolation 1500 Vrms 1 minute
EMS Protection Yes
Cable Ethernet 2-pair UTP/STP Cat.3, 4, 5, EIA/TIA-568 100 Ω
Fast Ethernet 2-pair UTP/STP Cat. 5, EIA/TIA-568 100 Ω
Redundant Power
Input Voltage Range +10 ~ +30 VDC (Non-isolated) +12 ~ +56 VDC (Non-isolated) +12 ~ +53 VDC (Non-isolated)
Power Consumption 0.1 A @ 24 VDC
Protection Power reverse polarity protection
EMS Protection Yes
Connector 3-Pin Removable Terminal Block 5-Pin Removable Terminal Block
Mechanical
Casing Plastic
Flammability UL 94V-0
Dimensions (W x L x H) 33 mm x 78 mm x 107 mm 76 mm x 38 mm x 118 mm
Installation DIN-Rail Mounting
Environment
Operating Temperature -40 °C ~ +75 °C -25 °C ~ +75 °C
Storage Temperature -40 °C ~ +85 °C
Ambient Relative Humidity 10% ~ 90% RH, non-condensing
 
NS-205 CR Unmanaged 5-port Industrial Ethernet Switch (RoHS)
NS-205R CR Unmanaged 5-port Industrial Ethernet Switch with conformal coating (RoHS)
NS-205A CR Unmanaged 5-port Industrial Ethernet Switch with Power Input +12 VDC ~ +56 VDC (RoHS)
NS-105A CR Unmanaged 5-port Industrial Ethernet Switch with Power Input +12 VDC ~ +53 VDC (RoHS)
 
GPSU06U-6 CR 24 V/0.25 A, 6 W Power Supply (RoHS)
GPSU06E-6 CR 24 V/0.25A, 6 W Power Supply with 2 pole EURO plug (RoHS)
DIN-KA52F CR 24 V/1.04 A, 25 W Power Supply with DIN-Rail Mounting (RoHS)
DIN-KA52F-48 CR 48 V/0.52 A, 25 W Power Supply with DIN-Rail Mounting (RoHS)
MDR-20-24 CR 24 V/1 A, 24 W Power Supply with DIN-Rail Mounting (RoHS)
MDR-60-48 CR 48 V/1.25 A, 60 W Power Supply with DIN-Rail Mounting (RoHS)
 
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