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Industrial Ethernet
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Media Converters
TCF-90 Series
Port-powered RS-232 to optical fiber media converters


  • Use either external power or power over serial
  • Extends RS-232 transmission up to:
  • 40 km with single-mode—TCF-90-S
  • 5 km with multi-mode—TCF-90-M
  • Reduces signal interference
  • Protects against electrical interference or chemical corrosion
  • 15 KV ESD protection for serial signals
  • Baudrates up to 115.2 Kbps
  • Compact size


  • 1 x TCF-90 unit
  • 1 x installation guide
  • 1 x warranty statement
  • 1 x USB power cord (50 cm)


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Item Description Price
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TCF-90-M-ST Port-powered RS-232 to multi-mode optical fiber converter with ST connector for 5 km transmission
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TCF-90-S-ST Port-powered RS-232 to single-mode optical fiber converter with ST connector for 40 km transmission
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