Moxa IMC-21-M-ST | IMC-21 Industrial Media Converter, 10/100 to 100BaseFX, Multi-Mode ST

Authorised Moxa Partner

SKU:IMC-21-M-ST

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Description

The Moxa IMC-21-M-ST is an industrial media converter that links 10/100BaseT(X) copper Ethernet to 100BaseFX multi-mode fibre over an ST connector. It is designed for factory floors, substations and other harsh industrial sites where copper runs need to be extended over fibre, reaching a typical distance of 4 km on 50/125 µm multi-mode fibre. This ST connector, multi-mode variant operates across -10 to 60°C and mounts quickly on a DIN rail.

Built-in 1.5 kV magnetic isolation and overload current protection help safeguard connected equipment, while Link Fault Pass-Through (LFPT) allows faults on one side of the link to be signalled to the other. DIP switches provide simple selection of full/half duplex, 10/100 Mbps, auto negotiation or forced modes without the need for software configuration.

Features

- Converts 10/100BaseT(X) copper Ethernet to 100BaseFX multi-mode fibre
- Link Fault Pass-Through (LFPT) for fast fault detection across the link
- DIP switches to select full/half duplex, 10/100 Mbps, auto or forced mode
- Rugged hardware design for harsh industrial conditions
- Easy DIN-rail mounting
- Wide 12 to 48 VDC power input with overload current protection

Warranty

Moxa offers varying warranty periods depending on the product category:
• 5-Year Warranty: Applies to most industrial networking and connectivity products, including Ethernet switches, routers, wireless devices, serial converters, protocol gateways, and USB hubs.
• 3-Year Warranty: Covers x86-based industrial computers and panel PCs.
• 1-Year Warranty: Applies to external batteries, LCD panels, power adapters, antennas, and other select accessories.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Moxa products. Contact our team to explore options that align with your organization's needs.
https://www.moxa.com/en/support/repair-and-warranty/warranty-policy

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- 1 x 10/100BaseT(X) port (RJ45 connector)
- 1 x 100BaseFX port (multi-mode ST connector)
- Fibre type: OM1 50/125 µm multi-mode, typical distance 4 km
- Typical wavelength 1300 nm (TX range 1260 to 1360 nm, RX range 1100 to 1600 nm)
- Optical power: TX -10 to -20 dBm, RX -3 to -32 dBm
- Link budget 12 dB, dispersion penalty 3 dB
- Magnetic isolation protection: 1.5 kV (built-in)
- Input voltage: 12 to 48 VDC, 0.271 A max
- Overload current protection supported
- Housing: plastic, IP30
- Dimensions: 25 x 109 x 97 mm
- Weight: 125 g (0.27 lb)
- Installation: DIN-rail mounting
- Operating temperature: -10 to 60°C (14 to 140°F)
- Storage temperature: -40 to 70°C
- Ambient relative humidity: 5 to 95% (non-condensing)
- MTBF: 353,000 hrs (MIL-HDBK-217F)
- EMC/EMI: EN 55032/24, CISPR 32, FCC Part 15B Class A

FAQs

Q: What fibre type and connector does the IMC-21-M-ST use?
A: It uses multi-mode fibre (50/125 µm OM1) with an ST connector on the 100BaseFX port, and supports a typical distance of 4 km.

Q: What is the operating temperature range of this model?
A: The IMC-21-M-ST operates from -10 to 60°C (14 to 140°F). It can be stored at -40 to 70°C.

Q: How is the IMC-21-M-ST powered?
A: It accepts a 12 to 48 VDC input with a maximum draw of 0.271 A and includes overload current protection.

Q: How do I configure the speed and duplex settings?
A: DIP switches on the unit let you select full duplex, half duplex, 10 Mbps, 100 Mbps, auto negotiation or forced modes, so no software is required.

Q: What does Link Fault Pass-Through (LFPT) do?
A: LFPT passes a link fault detected on one port to the other side of the connection, so connected devices and monitoring systems are alerted to the break quickly.

Q: How does this differ from other IMC-21 models?
A: The IMC-21 family covers multi-mode and single-mode fibre with SC or ST connectors. This model is the multi-mode version with an ST connector and a -10 to 60°C operating range.

Datasheet

This product has a detailed PDF datasheet available. Open PDF datasheet in a new tab .

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Moxa IMC-21-M-ST | IMC-21 Industrial Media Converter, 10/100 to 100BaseFX, Multi-Mode ST