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Products Media Converters

10/100Base-TX to 100Base-FX (SC) Switching 
Single- Mode (30Km) Fiber Converter
Model# GC-H21SCS - NEW!

  • Complies with IEEE 802.3 & 802.3u standards.
  • Support fiber cable distance up to 30Km.
  • 10/100Mbps Auto Negotiation.
  • Auto cross over on RJ45 port. 
  • Support Link-Cross-Check.
  • Auto or manually select 10 or 100 speed and Half or Full Duplex mode.
  • Strong metal case design.
  • LED indicators for status check and trouble shooting.


GC-H21SCS is designed to meet the needs for optical fiber network deployment for extending a copper based network via fiber cables.  It is a 10/100Mbps Auto-Negotiation Fast Ethernet Switching Media Converter to provide conversion between 10Base-T Ethernet or 100Base-TX Fast Ethernet UTP (Cat.3 or Cat. 5) cables and 100Base-FX single-mode (SC connectors) fiber optic cables.

As defined in IEEE 802.3 & 802.3u standards, 10Base-T & 100BaseTX specify the transmission over category 3 or 5 cables media can transmit signals up to 100 meters.  GC-H21SCS specifies the transmission in single-mode fiber media can transmit signals up to 30 kilometers.

GC-H21SCS comes with one RJ45 connector with Auto Cross Over feature to connect to a 10 or 100Base-TX device such as workstation, hub or switch, etc. via Cat.5 copper cables and one SC connector to connect to a 100Base-FX  fiber device via  8.3/125, 8.7/125, 9/125 or 10/125um single-mode fiber cables.  GC-H21SCS will convert the signals between these two different types of cables.

The GC-H21SCS is a slim and compact unit with strong metal case.  It features 6 status LEDs for easy diagnostics and trouble shooting.  

Key Features


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