Trusted in Industrial Communication for 20+ YearsIndustrial networking products for harsh, mission-critical environments
Serial to Fiber Converters

MF210-C Series

Entry-level Industrial RS-232/422/485 to-Fiber Media Converter

Features and Benefits
  • Gigabit ConnectivitySupports 1 x RS-232/422/485 port and 1 x 100Base-FX port
  • Gigabit ConnectivityDIN-Rail mounting, plug and play
  • Relay AlarmSupports adaptive baud rate and automatic serial baud rate detection
  • Relay AlarmMetal enclosure, fanless design
  • DIP SwitchFixed ST single-mode dual-fiber optical connector
Overview

The MF210-C is a DIN-Rail industrial serial fiber media converter providing transparent media conversion between one RS-232/422/485 serial port and one 100Base-FX port to extend serial transmission distance. Designed for stable, reliable and safe operation in harsh industrial environments, it features low power consumption, a metal enclosure, IP30 protection, fanless design, a wide operating temperature of -40℃~85℃, DIN-Rail mounting and plug-and-play operation.

Technical Parameters
Standards
StandardEIA RS-232/422/485
Communication Attributes
Communication Rate230Kbps
Port Performance
Serial Port1 x RS-232/422/485 port (10-pin industrial terminal/DB9), adaptive baud rate, automatic serial baud rate detection
Optical Port1 x 100Base-FX port (ST single-mode dual fiber, 1310nm, 20km)
LED IndicatorsPower 1 (P1), Power 2 (P2), TX Data (TXD), RX Data (RXD)
Mechanical
Dimensions27mm × 85mm × 107mm (W × D × H)
Weight285g
Mounting MethodDIN-Rail
OthersIP30 protection, metal enclosure
Electrical Performance
Input Voltage24VDC (9 ~ 36VDC redundant power input)
Overload and reverse polarity protection, 6-pin 5.08mm pitch terminal block
Wattage3.8W
Operating Environment
Operating Temperature-40℃ ~ 85℃
Storage Temperature-40℃ ~ 85℃
Relative Humidity5% ~ 95% (non-condensing)
Standards and Certifications
System CertificationsISO9001, ISO14001, ISO22163 (IRIS)
Resources
Name Version Release Date Download
Datasheet for MF210-C 212.2 KB
V1.3 Aug 25, 2026
Ordering Information
ModelDescription
MF210-ST20D3DB-D2C *Industrial DIN-rail 100M serial-to-fiber media converter *1 x RS232/422/485 serial port (DB9 connector) + 1 x 100BaseFX port (ST connector, singlemode double fiber, 1310nm, 20km) *9~36 VDC power input
MF210-ST20D3TE-D2C *Industrial DIN-rail 100M serial-to-fiber media converter *1 x RS232/422/485 serial port (terminal block) + 1 x 100BaseFX port (ST connector, singlemode double fiber, 1310nm, 20km) *9~36 VDC power input

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