EDS-308 – MOXA Unmanaged Switches

USD $ 298.62


Manufacturer Part Number: MOXA EDS-308
OEM Spec Ref 

The MOXA EDS-308 is a robust, unmanaged Ethernet switch designed to enhance the reliability and simplicity of industrial network infrastructures. Engineered to meet the demands of various industrial environments, the EDS-308 facilitates the easy expansion and maintenance of network segments.

Key Features:

  • Rugged Design: The EDS-308 is crafted to withstand the rigorous conditions typical in industrial settings, ensuring reliable performance in extreme temperatures and demanding operational conditions.
  • Easy Installation: With its plug-and-play functionality, the EDS-308 does not require complex setup procedures, making it user-friendly and quick to deploy in any industrial environment.
  • High Port Density: Offers up to eight Ethernet ports, providing flexibility to connect multiple devices within a network, thereby reducing overall infrastructure costs and complexity.
  • Redundancy Support: Although unmanaged, it supports STP/RSTP protocols for network redundancy, enhancing the overall reliability and uptime of your network.
  • Wide Temperature Range: Operates effectively in a wide temperature range from -40 to 75°C, making it suitable for a variety of harsh environments.


  • Increased Network Reliability: Provides stable and uninterrupted network service, crucial for industrial applications where downtime can result in significant operational disruptions and costs.
  • Scalability: Facilitates network expansion and integration with existing infrastructures, allowing for future growth without significant re-investment.
  • Cost-Effective: Reduces the need for extensive network management, thereby lowering the total cost of ownership.
  • Enhanced Safety and Security: Built with robust security features that comply with industrial safety standards to protect against operational risks.


  • Industrial Automation: Ideal for connecting devices in automated production lines, ensuring smooth and reliable data communication.
  • Transportation Systems: Can be deployed in transportation control systems where consistent and robust network performance is critical.
  • Energy Management: Suitable for power substation and smart grid applications, where durable and reliable network communications are essential.
  • Public Utilities: Plays an essential role in water treatment and other utility facilities, providing effective data transmission capabilities to monitor and control operations.

The MOXA EDS-308 Unmanaged Ethernet Switch stands as a testament to MOXA’s commitment to delivering high-quality, reliable network solutions that meet the rigorous demands of industrial environments, enhancing network performance and operational efficiency.


Input/Output Interface Alarm Contact Channels 1 relay output with current carrying capacity of 1 A @ 24 VDC
Ethernet Interface 10/100BaseT(X) Ports (RJ45 connector) 8
Auto negotiation speed
Full/Half duplex mode
Auto MDI/MDI-X connection
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
DIP Switch Configuration Ethernet Interface Port Break Alarm
Switch Properties MAC Table Size 2 kbits
Packet Buffer Size 768 K
Processing Type Store and Forward
Power Parameters Input Current 0.07 A @ 24 VDC
Connection 1 removable 6-contact terminal block(s)
Operating Voltage 9.6 to 60 VDC
Input Voltage Redundant dual inputs
12/24/48 VDC
Reverse Polarity Protection Supported
Overload Current Protection Supported
Physical Characteristics Housing Metal
IP Rating IP30
Dimensions 53.6 x 135 x 105 mm (2.11 x 5.31 x 4.13 in)
Weight 790 g (1.75 lb)
Installation DIN-rail mounting
Wall mounting (with optional kit)
Environmental Limits Operating Temperature -10 to 60°C (14 to 140°F)
Storage Temperature (package included) -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Standards and Certifications Safety UL 508
UL 60950-1
CSA C22.2 No. 60950-1
EN 62368 (LVD)
EMC EN 55032/35
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 MHz: 20 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
Hazardous Locations ATEX
Class I Division 2
Vibration IEC 60068-2-6
Shock IEC 60068-2-27
Freefall IEC 60068-2-32
Maritime DNV
MTBF Time 2,972,907 hrs
Standards MIL-HDBK-217F
Warranty Period 5 years
Details See www.moxa.com/warranty


Optical Fiber

Multi-Mode Single-Mode (40 km) Single-Mode (80 km)
Fiber Cable Type OM1 50/125 µm G.652 G.652
800 MHz x km
Typical Distance 4 km 5 km 40 km 80 km
Wavelength Typical (nm) 1300 1310 1550
TX Range (nm) 1260 to 1360 1280 to 1340 1530 to 1570
RX Range (nm) 1100 to 1600 1100 to 1600 1100 to 1600
Optical Power TX Range (dBm) -10 to -20 0 to -5 0 to -5
RX Range (dBm) -3 to -32 -3 to -34 -3 to -34
Link Budget (dB) 12 29 29
Dispersion Penalty (dB) 3 1 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 0.79 kg
Dimensions 5.36 × 13.5 × 10.5 cm