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
• Supports operating temperatures from -40 °C ~ +75 °C


The NS-205/NS-205A/NS-105A has 5 Ethernet Switching ports that support 10/100 Base-TX, with a 10/100M auto-negotiation
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 fl ow 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 fi t various power source.

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