General
Power consumption	200 mA @ 12–45 VDC
EMC	EN 55032/24

The IMC-101-M-ST-T from Moxa is an industrial-grade media converter that converts 10/100BaseT(X) copper connections via an RJ45 port into 100BaseFX fiber optic transmission via a multi-mode ST port. It is designed for use in demanding industrial environments where high mechanical stress, extreme temperatures, and electromagnetic interference occur. The robust metal housing provides mechanical protection, while the integrated magnetic isolation with 1.5 kV prevents electrical interference between network segments. The DIN rail mounting enables flexible and space-saving installation in enclosures.

Applications include industrial automation systems, power supply networks, transportation infrastructure, and marine applications. The converter is certified for operation in hazardous areas and complies with standards ATEX Zone 2 and UL/cUL Class I Division 2 Groups A/B/C/D, making it suitable for locations with increased explosion risk. The Marine Certification DNV confirms suitability for shipboard applications.

Functions and features in detail include a flexible power supply ranging from 12 to 45 VDC, connected via a terminal block. The power consumption is 200 mA, with an integrated overcurrent protection to ensure system safety. The operating temperature ranges from -40 to 75 °C, enabling use in extreme climatic conditions. The storage temperature is -40 to 85 °C, and the humidity range is 5 to 95 % (non-condensing). The protection rating IP30 protects against solid objects larger than 2.5 mm and against splashing water, but not against direct water jets or immersion.

Technology explained simply shows that the converter enables data transmission between copper cables (Ethernet-RJ45) and fiber optic cables (multi-mode ST). This is particularly useful when longer transmission distances or galvanic isolation are required. The magnetic isolation ensures that electrical interference entering via the copper cable is not transmitted to the fiber optic segment. The multi-mode ST connection is suitable for short to medium distances and uses a standard connector widely adopted in industry.

Compatibility and accessories include use with standard Ethernet devices supporting 10/100BaseT(X), as well as fiber optic network components using 100BaseFX multi-mode ST. Certifications according to EN 55032/24, CISPR 32, FCC Part 15B Class A, and other EMC standards ensure reliable operation in electromagnetically stressed environments. The MTBF (Mean Time Between Failures) is 401,000 hours according to the MIL-HDBK-217F standard, indicating high reliability.

Mounting and installation is done via DIN rail, allowing easy integration into existing enclosures. Power connections are made via a terminal block, ensuring a secure and durable connection. Mechanical stability is confirmed by vibration testing according to IEC 60068-2-6 and environmental tests according to IEC 60068-2-1/-2/-3.

Operational advantages include high immunity to interference, wide operating temperature range, galvanic isolation, and approval for hazardous areas. The 5-year warranty underscores the reliability of the device. The combination of robust design, EMC protection, and industrial certification makes the IMC-101-M-ST-T a suitable solution for critical network applications in industry.