EDS-305-S-SC – MOXA Unmanaged Switches

USD $ 604.80


Manufacturer Part Number: MOXA EDS-305-S-SC
OEM Spec Ref 

The MOXA EDS-305-S-SC Unmanaged Switch is a robust and reliable unmanaged Ethernet switch, specifically designed to enhance the efficiency and stability of industrial network infrastructures. Ideal for demanding industrial environments, this switch ensures seamless network connectivity and durability, making it a perfect fit for various industrial applications.

Key Features:

  • Multiple Ethernet Ports: Equipped with five Ethernet ports, the EDS-305-S-SC provides ample connectivity options for linking multiple devices within an industrial network, facilitating efficient data exchange and communication.
  • Single-Mode Fiber Capability: Features a single-mode fiber port to ensure long-distance data transmission with minimal signal degradation, making it suitable for expansive industrial areas.
  • Unmanaged Flexibility: As an unmanaged switch, it offers hassle-free deployment without the need for complex configuration, enabling straightforward plug-and-play installation.
  • Industrial-Grade Durability: Constructed to withstand harsh industrial environments, it operates reliably across a wide temperature range and offers high resistance to electromagnetic interference.
  • Compact and Rugged Design: The compact size and rugged housing allow for easy integration into various setups, even where space is limited and conditions are challenging.


  • Enhanced Network Stability: Provides a stable and reliable network performance, crucial for maintaining the continuity of industrial operations and processes.
  • Scalability: Easily integrates into existing network infrastructures, allowing for scalable expansions as operational needs grow without significant downtime.
  • Reduced Maintenance Costs: With its robust build and unmanaged nature, it minimizes the need for ongoing maintenance, reducing operational costs.
  • Increased Operational Efficiency: By ensuring continuous and uninterrupted network connectivity, it supports the efficiency and productivity of industrial operations.


  • Industrial Automation: Essential for connecting devices in automated production lines, ensuring smooth and consistent data flow for optimal operational output.
  • Surveillance Systems: Ideal for linking multiple surveillance devices over large distances, ensuring comprehensive monitoring and security.
  • Remote Monitoring: Enables reliable remote monitoring of industrial equipment, reducing the need for frequent on-site inspections and enhancing preventative maintenance strategies.
  • Utility Facilities: Plays a crucial role in the network infrastructures of utility facilities, supporting critical communications and operational reliability.

The MOXA EDS-305-S-SC Unmanaged Switch stands out as a testament to MOXA’s commitment to advancing industrial network technology, offering a durable and efficient solution for maintaining robust network infrastructures in various industrial settings.


Input/Output Interface Alarm Contact Channels 1 relay output with current carrying capacity of 1 A @ 24 VDC
Ethernet Interface 10/100BaseT(X) Ports 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 Read more
DIP Switch Configuration Ethernet Interface Port break alarm
Switch Properties MAC Table Size 1 K
Packet Buffer Size 384 K
Processing Type Store and Forward
Power Parameters Input Current 0.15 A @ 24 VDC
Connection 1 removable 6-contact terminal block(s)
Operating Voltage 12 to 48 VDC
Input Voltage 24 VDC
Redundant dual inputs
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 0 to 60°C (32 to 140°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Standards and Certifications Hazardous Locations ATEX
Class I Division 2
EMI CISPR 32, FCC Part 15B Class A
EMC EN 55032/24
Vibration IEC 60068-2-6
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: 3 V
IEC 61000-4-8 PFMF
Safety UL 508
UL 60950-1
CSA C22.2 No. 60950-1
Shock IEC 60068-2-27
Freefall IEC 60068-2-32
Maritime DNV
MTBF Time 422,742 hrs
Standards MIL-HDBK-217F
Warranty 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