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NS-205A
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NS-205A

The ICP DAS NS-205A is an unmanaged industrial Ethernet switch featuring five 10/100Base-T(X) RJ45 ports, DIN-rail mounting, and reliable network communication for industrial automation applications.

  • 5 × 10/100Base-T(X) RJ45 Ethernet ports
  • Unmanaged industrial Ethernet switch
  • Auto-negotiation and auto MDI/MDI-X support
  • Store-and-forward switching architecture
  • Dual power input: 12 ~ 48 VDC
  • Reverse polarity and overload protection
  • Rugged metal housing design
  • DIN-rail mounting installation
  • Compact industrial form factor
  • Suitable for PLC, SCADA, and factory automation systems

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Data Sheet

The ICP DAS NS-205A is a compact unmanaged industrial Ethernet switch designed for stable and efficient industrial network communication. Equipped with five 10/100Base-T(X) RJ45 Ethernet ports, the switch supports automatic MDI/MDI-X crossover detection and auto-negotiation for simplified installation and seamless connectivity.

Built with a rugged metal housing and DIN-rail mounting capability, the NS-205A is ideal for industrial automation systems, PLC communication networks, factory control panels, transportation systems, and SCADA environments. Its store-and-forward switching architecture ensures reliable data transmission and minimizes packet loss in industrial applications.

The switch supports dual power input from 12 to 48 VDC and includes overload and reverse polarity protection for enhanced operational reliability. With a wide operating temperature range and industrial-grade design, the NS-205A delivers dependable Ethernet connectivity in demanding environments.

Technical Specifications — ICP DAS NS-205A
General
Model NS-205A
Product Type Unmanaged Industrial Ethernet Switch
Ethernet Ports 5 × 10/100Base-T(X) RJ45 Ports
Switching Architecture Store-and-Forward
Installation DIN-Rail Mounting
Network Specifications
Transmission Speed 10/100 Mbps Auto-Negotiation
Ethernet Standards IEEE 802.3 10Base-T
IEEE 802.3u 100Base-TX
IEEE 802.3x Flow Control
Flow Control IEEE 802.3x Full Duplex Flow Control
MAC Address Table 1K MAC Addresses
Packet Buffer Memory 448 Kbits
Switch Fabric 1 Gbps
Electrical Specifications
Power Input 12 ~ 48 VDC
Power Consumption Max. 2.2 W
Protection Reverse Polarity Protection, Overload Protection
Environmental Conditions
Operating Temperature -10°C to +70°C
Storage Temperature -20°C to +85°C
Operating Humidity 10 ~ 90% RH, Non-condensing
Mechanical Specifications
Housing Metal Case
Dimensions (W × L × H) 33 × 107 × 78 mm
Weight Approx. 240 g
LED Indicators Power, Link/Activity, Speed

* Specifications are based on the official ICP DAS datasheet and may change without prior notice.

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