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RS-232/422/485 to fiber converters



RS-232/422/485 to Fiber Optic Converter. SC Single-mode, -40 to 75°C

0 products currently in stock.

The stock was last updated at 1:49 am Saturday, 20 July, 2024. Please contact us for lead times if needed.

Series Description


The TCF-142 media converters are equipped with a multiple interface circuit that can handle RS-232 or RS-422/485 serial interfaces and multi-mode or single-mode fiber. TCF-142 converters are used to extend serial transmission up to 5 km (TCF-142-M with multi-mode fiber) or up to 40 km (TCF-142-S with single-mode fiber). The TCF-142 converters can be configured to convert either RS-232 signals, or RS-422/485 signals, but not both at the same time.

Automatic Baudrate Detection

The TCF-142 converters can automatically detect the serial baudrate, which is an extremely convenient feature. Even if a device’s baudrate is changed, the signal will still be transmitted through the media converter without any data loss.

Ring Operation

The TCF-142 converters can be used to connect serial devices to a fiber ring. To form the ring, connect the Tx port of one TCF-142 to the Rx port of a neighboring converter. Once the ring is set up, simply use the DIP switches to configure the TCF-142 converters for ring mode. When one node transmits a signal, the signal travels around the ring until it returns back to the transmitting unit, which then blocks the signal. With the TCF-142, you can set up fiber rings that have a total circumference of up to 100 km.

Automatic Data Direction Control

Automatic Data Direction Control (ADDC) is a hardware
data flow solution developed by Moxa to handle RS-485 data direction
control. ADDC senses and controls RS-485 data direction automatically,
making it unnecessary to use the handshaking signal.

Additional information

No. of Ports




No. of Power Inputs

Input Current

Operating Temperature

-40 to 75°C (-40 to 167°F)







Warranty Period


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Product Brand

Moxa is a leading provider of edge connectivity, industrial computing, and network infrastructure solutions for enabling connectivity for the Industrial Internet of Things (IIoT). With over 35 years of experience, they help industrial enterprises overcome roadblocks and achieve operational resilience through purpose-built OT networking and cybersecurity. They are dedicated to changing the world through the power of connectivity, driving industrial transformation.

TCF-142 Series

The TCF-142-S-SC-T is part of a wider series. A series refers to a collection of related products or components designed to work together seamlessly, typically within a specific industry or application. These series often share similar features and functionalities, ensuring compatibility and ease of integration for users.

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Name Type Version Release Date

Datasheet for TCF-142 Series

1.4 MB


Jan 04, 2023

Jan 04, 2023

QIG for TCF-142 Series

788.7 KB


May 06, 2021

May 06, 2021

2D CAD for TCF-142-SC TOP

123.4 KB

2D CAD  
May 20, 2016

May 20, 2016

Show All

Supported Documents & Firmware Last Updated: July 20, 2024