The IMC-21 Series by Moxa offers a cost-effective, entry-level solution for converting 10/100BaseT(X) Ethernet to 100BaseFX fiber in industrial environments. Available with SC or ST connectors for both multi-mode and single-mode fiber, the converters provide reliable transmission even under demanding conditions.

The IMC-21 converters feature Link Fault Pass-Through (LFPT) and DIP switches to set duplex mode (FDX/HDX), speed (10/100 Mbps), and operation mode (Auto/Force). With support for 12 to 48 VDC power input, a rugged plastic housing, and DIN-rail mounting, the devices are perfect for distribution boxes or control panels requiring dependable media conversion.

Technical Specifications:

Ethernet Interface:

• 1 x 10/100BaseT(X), RJ45
• 1 x 100BaseFX port (per model):
• Multi-mode SC: IMC-21-M-SC (up to 4 km)
• Multi-mode ST: IMC-21-M-ST (up to 4 km)
• Single-mode SC: IMC-21-S-SC (up to 40 km)

Optical Characteristics:

• Wavelength: 1300 nm (MM), 1310 nm (SM)
• TX Power: -10 to -20 dBm (MM), 0 to -5 dBm (SM)
• RX Sensitivity: -3 to -32 dBm (MM), -3 to -34 dBm (SM)
• Link Budget: 12 dB (MM), 29 dB (SM)
• Dispersion Penalty: 3 dB (MM), 1 dB (SM)
• Note: Use attenuator for single-mode fiber if required

Power Parameters:

• Input Voltage: 12 to 48 VDC
• Max. Input Current: 0.271 A
• Overload Protection: Supported

Physical Characteristics:

• Housing: Plastic
• IP Rating: IP30
• Dimensions: 25 x 109 x 97 mm (0.98 x 4.29 x 3.82 in)
• Weight: 125 g (0.27 lb)
• Mounting: DIN-rail

Environmental Limits:

• Operating Temperature: -10 to 60°C
• Storage Temperature: -40 to 70°C
• Relative Humidity: 5 to 95% (non-condensing)

Certifications:

• EMC/EMI: EN 55032/24, FCC Part 15B, CISPR 32
• EMS: IEC 61000-4-2 to -4-11
• Safety: UL/EN 60950-1
• Environmental Testing: IEC 60068-2-1/2/3
• Vibration: IEC 60068-2-6

MTBF:

• 353,000 hours (MIL-HDBK-217F)

Warranty:

• 5-year manufacturer warranty

Package Contents:

• 1 x IMC-21 media converter
• 1 x Quick installation guide
• 1 x Warranty card