MOXA IMC-21-S-SC Industrial Gigabit Single-mode SC Optical Converter

MOXA IMC-21-S-SC Industrial Gigabit Single-mode SC Optical Converter

I. Model Segmentation Explanation
IMC-21: Basic series, entry-level industrial 10/100 optical transceiver
S: Single-mode fiber
SC: Fiber interface is of SC type

 Core Interface Specifications
Electrical port (RJ45)
1×10/100BaseT (X) adaptive, built-in 1.5kV electromagnetic isolation; supports DIP code setting for 10M/100M, full-duplex/half-duplex, automatic negotiation Moxa
Optical port (SC single mode)
1×100BaseFX, 1310nm wavelength, compatible with G.652 standard single-mode fiber; standard transmission distance 40km, link budget 29dB

Electrical Power Supply Parameters
Input voltage: 12~48 VDC wide-range DC (common for industrial 24V system)
Rated current: 271mA, low-power design
Equipped with overcurrent, reverse connection protection terminal block for power supply

Hardware and Environment
Size: 25 (W) × 109 (D) × 97 (H) mm, net weight 125g
Installation: Standard DIN rail snap-in installation, compatible with control cabinet
Shell: Plastic enclosure, protection IP30
Operating temperature: -10℃ ~ +60℃ (the IMC-21A-S-SC-T with wide temperature range supports – 40~75℃)
Storage: -40℃ ~ +70℃; humidity 5%~95% no condensation Moxa

Key Industrial Functions
LFPT link fault transmission
Electrical port disconnection → optical port automatically cuts light; optical port breakage → electrical port automatically disconnects network, the upper computer can directly identify link failure, no additional diagnosis required
DIP code setting for custom rate, duplex mode, compatible with old PLC / industrial control equipment
Complete EMC industrial anti-interference: ESD 6kV contact / 8kV air, EFT pulse group, radio frequency radiation immunity, compatible with power plants, metallurgy, automation workshop strong electromagnetic environment
Status indicator lights: power PWR, electrical port rate, optical link, collision / duplex status

 Differentiation of Series Models Table
Model Optical Fiber Type Connector Transmission Distance Temperature Range
IMC-21-S-SC Single Mode SC 40km -10~60℃
IMC-21-M-SC Multi Mode SC 4km -10~60℃
IMC-21-M-ST Multi Mode ST 4km -10~60℃
IMC-21A-S-SC-T Single Mode SC Wide Temperature Range SC 40km -40~75℃

Typical Application Scenarios
Long-distance fiber optic networking for power plant TSI systems (Bentley 3500 gateway, EPRO monitoring equipment)
Long-distance Ethernet extension for industrial control PLCs and DCS control cabinets to avoid electromagnetic interference from cables
Long-distance industrial Ethernet transmission in factory areas, tunnels, and water treatment facilities
Fiber optic communication for wind power and photovoltaic inverter control cabinets
Extension of network ports for old equipment, using optical isolation to suppress ground loop interference