CMA-FST 10/100Base-TX to 100Base-FX Multimode 2km Fiber Media Converter, ST



10/100Base-T to 1000Base ST Media Converter, 1310nm, 2KM


The CMA-FST is a 100M Fiber Media Converter designed to convert 10/100BASE-TX copper to 100BASE-FX fiber, which provides reliable and cost-effective network connectivity and fiber extension. Manufactured with latest IC packages from USA or Taiwan and high-quality fiber optical transceiver, our Fast Ethernet Media Converter provide enhanced characteristics to ensure reliable data transmission and extended product life. Six Group LED indicated lights can fully monitor the working conditions of Media Converters.


  • Auto negotiation function allows UTP port to auto select 10M or 100M, and Full Duplex or Half Duplex
  • UTP port supports MDI/MDI-X auto crossover
  • Indicator function of link fault (LFP): When optical fiber or UTP is at fault, the converter could stop all the link
  • Easy-to-view LED indicators provide monitoring of network system easily
  • Compliant with IEEE 802.3 10Base-T and IEEE 802.3u 100Base-TX, 100Base-FX Standards
  • Internal Circuit of prevented thunder could greatly reduce damage of the converter caused by thunderbolt induction
  • ROHS compliant and Lead Free


Product Series

Fiber Media Converter

Standards and Protocols

IEEE 802.3, IEEE 802.3u, IEEE 802.3x


1 x 10/100BASE-TX RJ45 port

1 x 10/100BASE-FX ST port

Network Media

10Base-T: Cat 5 UTP (maximum 100m)

100Base-T: Cat 5 UTP (maximum 100m)

100Base-FX: Multi-mode Fiber Cable (maximum 2km)

  Flow control

Full Duplex: IEEE802.3x

Half Duplex: back pressure

LED indicator

Power, FX 100, FX Link/Act

TX 100, TX FDX, TX Link/Act

  Buffer space

128 KB

MAC address



1310 nm

Fiber Type

Multi-mode Fiber

  Transmitter Power

-19 ~ -10 dBm

Receiver Sensitivity

< -30 dBm

  Power Supply

External Power Adapter

Input: AC 100~240V 50/60Hz

Output: DC 5V 1A

Power Consumption


  Dimensions    (WxDxH)


Gross Weight

0.5 kg


Operating: 0°C to 50°C, 10~90% RH

Storage: -40°C to 70°C, 5~90% RH


FDA IEC/EN 60825-1





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