EDS-208A-SS-SC – MOXA Unmanaged Switches

USD $ 325.50


Manufacturer Part Number: MOXA EDS-208A-SS-SC
OEM Spec Ref 

The MOXA EDS-208A-SS-SC is an industrial-grade unmanaged Ethernet switch that delivers robust and reliable network connectivity for a wide array of industrial environments. Designed for straightforward deployment in demanding conditions, this switch is ideal for applications that require stable and secure data transmission without the need for complex management.

Key Features:

  • Rugged Durability: Engineered to withstand harsh industrial environments, the EDS-208A-SS-SC features a sturdy metal casing and a wide operating temperature range, ensuring continuous operation under extreme conditions.
  • High Connectivity: With eight fast Ethernet ports, this switch can manage multiple connections efficiently, enhancing network reliability and reducing downtime.
  • Plug and Play Installation: Easy to set up without the need for extensive configuration, facilitating quick deployment in dynamic industrial settings.
  • Fiber Optic Integration: Features Single-Mode SC fiber ports for long-distance data transmission, ensuring high-speed connectivity across extended industrial sites.
  • Redundant Power Inputs: Equipped with dual power inputs to provide continuous service and minimize the risk of power outages affecting critical operations.


  • Enhanced Network Reliability: Offers stable and secure data transmissions, crucial for optimal operation of industrial automation systems.
  • Scalable Performance: Flexibility to connect multiple devices, supporting scalability in industrial network infrastructures.
  • Reduced Maintenance Costs: Unmanaged functionality coupled with robust construction minimizes the need for frequent maintenance.
  • Increased System Uptime: Dual power inputs and durable components ensure maximum availability and minimal disruption.


  • Industrial Automation: Ensures reliable network performance in automated production lines and machinery.
  • Surveillance Systems: Ideal for supporting network connectivity in large-scale security surveillance setups requiring constant data flow.
  • Utility Facilities: Plays a crucial role in energy distribution networks and utility facilities, where uninterrupted network service is essential.
  • Transport Infrastructure: Suitable for traffic control systems and other transport infrastructure that rely on consistent data communication for safety and efficiency.

The MOXA EDS-208A-SS-SC Unmanaged Switch stands out as a cornerstone in MOXA’s lineup, providing dependable and straightforward solutions for enhancing the resilience and efficiency of industrial networks.


Ethernet Interface 10/100BaseT(X) Ports (RJ45 connector) 6
Auto negotiation speed
Full/Half duplex mode
Auto MDI/MDI-X connection
100BaseFX Ports (single-mode SC connector) 2
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 2 K
Packet Buffer Size 768 kbits
Processing Type Store and Forward
Power Parameters Connection 1 removable 4-contact terminal block(s)
Input Current 0.15 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 50 x 114 x 70 mm (1.96 x 4.49 x 2.76 in)
Weight 275 g (0.61 lb)
Installation DIN-rail mounting
Wall mounting (with optional kit)
Environmental Limits Operating Temperature -10 to 60°C (14 to 140°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Standards and Certifications Safety UL 508
EN 62368-1 (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 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 ATEX
Class I Division 2
Railway EN 50121-4
Traffic Control NEMA TS2
Vibration IEC 60068-2-6
Shock IEC 60068-2-27
Freefall IEC 60068-2-31
Maritime ABS
MTBF Time EDS-208A: 3,248,014 hrs
EDS-208A-MM/SS: 2,705,157 hrs
EDS-208A-M/S: 2,943,335 hrs
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 0.275 kg
Dimensions 5 × 11.4 × 7 cm