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

MF210 Series

Industrial RS-232/485 to-Fiber Media Converter

Features and Benefits
  • Gigabit ConnectivityIndustrial RS-232/485 to-Fiber Media Converter
  • Gigabit ConnectivitySupports 1 x RS-232/485 port and 1 x 100Base-FX port
  • Relay AlarmDIN-Rail mounting, plug and play
  • Relay AlarmSupports adaptive baud rate and automatic serial baud rate detection
  • DIP SwitchFixed ST single-mode dual-fiber optical connector
  • DIP SwitchOptional power input: 24VDC/220VAC
  • DIP SwitchCorrugated high-strength aluminum enclosure, fanless design
Overview

The MF210 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 corrugated high-strength aluminum 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-232/485
Communication Attributes
Communication Rate230Kbps
Port Performance
Serial Port1 x RS-232/485 port (8-pin industrial terminal), adaptive baud rate, automatic serial baud rate detection
Optical Port1 x 100Base-FX port (ST single-mode dual fiber, 1310nm, 20km)
LED IndicatorsPower (POWER), TX Data (TXD), RX Data (RXD)
Mechanical
Dimensions52mm × 90mm × 124mm (W × D × H)
Weight410g
Mounting MethodDIN-Rail
OthersIP30 protection, corrugated high-strength aluminum enclosure
Electrical Performance
Input Voltage24VDC (18 ~ 36VDC) / 220VAC (85 ~ 265VAC)
Overload and reverse polarity protection, 5-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)
Standard CertificationsCE, FCC, RoHS
SafetyComplies with UL508
EMC
EMIFCC Part 15, CISPR (EN55022) Class A
EMSESD ImmunityEN61000-4-2
RF Electromagnetic Field Radiation Immunity (RS)EN61000-4-3
Electrical Fast Transient Burst Immunity (EFT)EN61000-4-4
Surge ImmunityEN61000-4-5
Conducted Susceptibility Immunity to RF Field (CS)EN61000-4-6
Power Frequency Magnetic Field Immunity (PFMF)EN61000-4-8
VibrationComplies with IEC 60068-2-6
ShockComplies with IEC 60068-2-27
Free FallComplies with IEC 60068-2-32
MTBFMTBF greater than 500,000 hours
Resources
Name Version Release Date Download
Datasheet for MF210-a 170.4 KB
v1.3 Jul 23, 2026
Datasheet for MF210 193.2 KB
V1.3 Aug 25, 2026
Ordering Information
ModelDescription
MF210-ST20D3TE3-D2 *Industrial DIN-rail 100M serial-to-fiber media converter *1 x RS232 serial port (terminal block) + 1 x 100BaseFX port (ST connector, singlemode double fiber, 1310nm, 20km) *18~36 VDC power input
MF210-ST20D3TE5-D2 *Industrial DIN-rail 100M serial-to-fiber media converter *1 x RS485 serial port (terminal block) + 1 x 100BaseFX port (ST connector, singlemode double fiber, 1310nm, 20km) *18~36 VDC power input
MF210-ST20D3TE3-HV *Industrial DIN-rail 100M serial-to-fiber media converter *1 x RS232 serial port (terminal block) + 1 x 100BaseFX port (ST connector, singlemode double fiber, 1310nm, 20km) *85~265 VAC/DC power input
MF210-ST20D3TE5-HV *Industrial DIN-rail 100M serial-to-fiber media converter *1 x RS485 serial port (terminal block) + 1 x 100BaseFX port (ST connector, singlemode double fiber, 1310nm, 20km) *85~265 VAC/DC power input

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