IMC-21GA-SX-SC – MOXA Ethernet-to-Fiber Media Converters

USD $ 408.24


Manufacturer Part Number: MOXA IMC-21GA-SX-SC
OEM Spec Ref 

The MOXA IMC-21GA-SX-SC Ethernet-to-Fiber Media Converters is an expertly designed network infrastructure solution, engineered to facilitate reliable and efficient Ethernet-to-fiber conversion. Perfect for industrial environments, this media converter ensures seamless data transmission over fiber optic channels, enhancing network stability and extending transmission distances.

Key Features:

  • High-Speed Fiber Optic Conversion: Capable of converting 10/100/1000BaseT(X) to 1000BaseSX, this converter supports high-speed data transfer rates, ensuring minimal latency and maximum bandwidth utilization.
  • Robust Industrial Design: Built to withstand the rigors of industrial settings, the IMC-21GA-SX-SC features a rugged casing that protects against environmental hazards such as vibration, shock, and extreme temperatures.
  • Extended Operational Temperature: With an operational temperature range of -40 to 75°C, it is ideal for use in a variety of climatic conditions, ensuring reliable performance regardless of environmental stresses.
  • Easy Installation and Maintenance: Designed for simple plug-and-play installation, this converter facilitates easy setup without the need for extensive configuration, making it user-friendly and low-maintenance.
  • Long Distance Data Transmission: Equipped with SC-type connectors, it extends network coverage, enabling fiber optic link distances up to 550 meters, perfect for expansive industrial areas.


  • Enhanced Network Reliability: By converting to fiber optics, it provides greater immunity against electromagnetic interference, enhancing data integrity and network reliability.
  • Increased Network Scalability: Fiber optic networks can be scaled up with minimal cost and complexity, making this converter an excellent choice for growing industrial networks.
  • Energy Efficiency: This device operates with low power consumption, reducing operational costs and supporting eco-friendly initiatives.
  • Improved Data Security: Fiber optics offer superior security compared to traditional copper cables, reducing the risk of data interception and network breaches.


  • Industrial Automation: Critical for data communication in automated production environments, ensuring uninterrupted system operations.
  • Traffic Management Systems: Enables robust communication backbone for traffic control devices, facilitating real-time updates and management.
  • Power Utility Networks: Ideal for use in substations and smart grid systems where long-distance, high-integrity data transmission is essential.
  • Surveillance Systems: Supports high bandwidth requirements of modern surveillance equipment, ensuring high-quality video data transmission over long distances.

The MOXA IMC-21GA-SX-SC Ethernet-to-Fiber Media Converters stands out as a cornerstone of network infrastructure, delivering high-performance, reliability, and security to meet the demanding needs of modern industrial environments.


Ethernet Interface 10/100/1000BaseT(X) Ports (RJ45 connector) 1
1000BaseSX Ports (multi-mode SC connector) 1
Magnetic Isolation Protection 1.5 kV (built-in)
Optical Fiber Refer table 2
Power Parameters Input Current 284.7 mA @ 12 to 48 VDC
Input Voltage 12 to 48 VDC
Overload Current Protection Supported
Power Connector Terminal block
Power Consumption 284.7 mA @ 12 to 48 VDC
Physical Characteristics Housing Metal
Dimensions 30 x 125 x 79 mm (1.19 x 4.92 x 3.11 in)
Weight 170 g (0.37 lb)
Installation DIN-rail mounting
Environmental Limits Operating Temperature -10 to 60°C (14 to 140°F)
Storage Temperature -40 to 75°C (-40 to 167°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: 1 kV
IEC 61000-4-6 CS: 150 kHz to 80 MHz: 10 V/m; Signal: 10 V/m
IEC 61000-4-8 PFMF
IEC 61000-4-11
Environmental Testing IEC 60068-2-1
IEC 60068-2-2
IEC 60068-2-3
Safety EN 60950-1, UL 60950-1
Vibration IEC 60068-2-6
MTBF Time 2,762,058 hrs
Standards MIL-HDBK-217F
Warranty Warranty Period 5 years
Details See


Optical Fiber

1000BaseSX 1000BaseLX
Wavelength 850 nm 1310 nm
Tx Output (dBm) -3 to -10 -3 to -9
Rx Sensitivity (dBm) -3 to -20 -3 to -21
Link Budget (dBm) 10 12
Typical Distance 500 m 10 km
Weight 0.17 kg
Dimensions 3 × 12.5 × 7.9 cm