EDS-205A-S-SC-T – MOXA Unmanaged Switches

USD $ 459.90


Manufacturer Part Number: MOXA EDS-205A-S-SC-T
OEM Spec Ref 

The MOXA EDS-205A-S-SC-T Unmanaged Switch is a robust networking solution designed to enhance the reliability and simplicity of industrial network infrastructures. This switch is specifically engineered to operate flawlessly in harsh environmental conditions, making it an ideal choice for various industrial applications that demand high levels of data integrity and network stability.

Key Features:

  • Rugged Industrial Design: Tailored to withstand extreme industrial environments, the EDS-205A-S-SC-T operates reliably in temperatures ranging from -40 to 75°C, ensuring consistent performance under severe conditions.
  • Easy Installation and Operation: As an unmanaged switch, it requires no configuration and can be easily installed and operational within minutes, simplifying network setups and maintenance.
  • High-Speed Connectivity: Equipped with five fast Ethernet ports, this switch facilitates efficient data transfer and high-speed connections for multiple devices.
  • Redundant Power Inputs: Dual power inputs provide a fail-safe mechanism, enhancing the system’s redundancy and reliability, crucial for maintaining operations during power disruptions.
  • Compact Size: The small footprint of this device allows for easy integration into space-constrained areas, making it an excellent choice for applications where space is at a premium.


  • Enhanced Network Uptime: By offering robust performance and redundant power inputs, the switch significantly reduces network downtime and increases reliability.
  • Cost-Effective Network Management: As an unmanaged switch, it eliminates the need for complex configuration, reducing setup and maintenance costs.
  • Increased Operational Efficiency: Provides dependable high-speed network connections that enhance the efficiency of network communications and processes.
  • Extended System Longevity: The durable construction and ability to operate in extreme temperatures contribute to a longer lifespan of network equipment.


  • Industrial Automation: Vital for network communications in automated production lines, where stable and reliable data transfer is crucial.
  • Transportation Systems: Suitable for integration into communication networks within transportation infrastructure, ensuring constant and reliable data flow.
  • Surveillance Systems: Plays an essential role in surveillance applications, providing fast and continuous network connections necessary for real-time monitoring.
  • Harsh Environmental Conditions: Designed to perform in outdoor or semi-outdoor installations where temperature fluctuations and environmental conditions are challenging.

The MOXA EDS-205A-S-SC-T Unmanaged Switch exemplifies MOXA’s commitment to providing durable and reliable networking solutions that cater to the stringent requirements of modern industrial applications, ensuring optimal performance and network stability.


Ethernet Interface 10/100BaseT(X) Ports (RJ45 connector) 4
Auto negotiation speed
Full/Half duplex mode
Auto MDI/MDI-X connection
100BaseFX Ports (single-mode SC connector) 1
Standards IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X) and 100BaseFX
IEEE 802.3x for flow control
Optical Fiber Refer table 2
Switch Properties MAC Table Size 1 K
Packet Buffer Size 384 kbits
Processing Type Store and Forward
Power Parameters Connection 1 removable 4-contact terminal block
Input Current 0.1 A @ 24 VDC
Input Voltage 12/24/48 VDC
Redundant dual inputs
Operating Voltage 9.6 to 60 VDC
Overload Current Protection Supported
Reverse Polarity Protection Supported
DIP Switch Configuration Ethernet Interface Broadcast storm protection
Physical Characteristics Housing Aluminum
IP Rating IP30
Dimensions 30 x 115 x 70 mm (1.18 x 4.52 x 2.76 in)
Weight 175 g (0.39 lb)
Installation DIN-rail mounting
Wall mounting (with optional kit)
Environmental Limits Operating Temperature -40 to 75°C (-40 to 167°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Standards and Certifications EMC EN 55032/24
EMI CISPR 32, FCC Part 15B Class A
EMS IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m
IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV
IEC 61000-4-5 Surge: Power: 2 kV; Signal: 2 kV
IEC 61000-4-6 CS: 10 V
IEC 61000-4-8 PFMF
Hazardous Locations IECEx
Class I Division 2
Maritime ABS
Railway EN 50121-4
Safety UL 508
Shock IEC 60068-2-27
Traffic Control NEMA TS2
Vibration IEC 60068-2-6
Freefall IEC 60068-2-31
MTBF Time 3,045,679 hours
Standards Telcordia (Bellcore), GB
Warranty Warranty Period 5 years
Details See www.moxa.com/warranty


Optical Fiber

Multi-Mode Single-Mode
Fiber Cable Type OM1 50/125 µm G.652
800 MHz x km
Typical Distance 4 km 5 km 40 km
Wavelength Typical (nm) 1300 1310
TX Range (nm) 1260 to 1360 1280 to 1340
RX Range (nm) 1100 to 1600 1100 to 1600
Optical Power TX Range (dBm) -10 to -20 0 to -5
RX Range (dBm) -3 to -32 -3 to -34
Link Budget (dB) 12 29
Dispersion Penalty (dB) 3 1

Note: When connecting a single-mode fiber transceiver, we recommend using an attenuator to prevent damage caused by excessive optical power.
Note: Compute the “typical distance” of a specific fiber transceiver as follows: Link budget (dB) > dispersion penalty (dB) + total link loss (dB).

Weight 0.175 kg
Dimensions 3 × 11.5 × 7 cm