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

USD $ 366.87


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

The MOXA IMC-21GA-LX-SC Ethernet-to-Fiber Media Converters is a high-performance device engineered to bridge the gap between copper and fiber networks. Designed with advanced technology, it provides a reliable and efficient solution for extending Ethernet connections over longer distances using fiber optics. This media converter is ideal for industrial applications that demand high bandwidth and durable connectivity in challenging environments.

Key Features:

  • High-Speed Fiber Connectivity: Offers Gigabit fiber connection speeds that ensure high-throughput performance for bandwidth-intensive applications.
  • Industrial-Grade Design: Built to withstand extreme temperatures, vibrations, and electrical interference typical in industrial settings.
  • Link Fault Pass-through (LFP): Features LFP function which ensures immediate notification of network failures, enhancing network reliability.
  • Easy Deployment: Supports plug-and-play installation, simplifying setup without requiring extensive technical knowledge.
  • Dual Power Inputs: Comes with dual power inputs to ensure continuous operation and minimize downtime in case of a power failure.


  • Extended Network Reach: Enables Ethernet networks to extend over fiber optic cables, reaching distances up to 15 km, far beyond the limitations of standard copper cables.
  • Enhanced Network Security: Fiber optic connectivity provides inherent security against electromagnetic interference, making it ideal for sensitive data transmissions.
  • Increased Reliability: Robust construction and advanced features ensure reliable data transmission even in harsh industrial environments.
  • Energy Efficiency: Low power consumption compared to other media conversion solutions helps in reducing operational costs.


  • Surveillance Systems: Ideal for connecting cameras and other security devices over large distances without signal degradation.
  • Industrial Automation: Enhances network reliability and speed in automated manufacturing, processing plants, and other industrial settings.
  • Traffic Management Systems: Ensures consistent and reliable connections in traffic control systems, supporting real-time data and video transmission.
  • Remote Monitoring: Enables efficient remote monitoring and management of network devices across expansive geographical locations.

The MOXA IMC-21GA-LX-SC Ethernet-to-Fiber Media Converters stands as a testament to MOXA’s commitment to innovation, offering a powerful solution for integrating fiber optics into existing Ethernet networks, thus enhancing both the performance and resilience of industrial communications infrastructure.


Ethernet Interface 10/100/1000BaseT(X) Ports (RJ45 connector) 1
1000BaseLX Ports (single-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