TCF-90  NEW!
Long Range Serial Port Powered RS-232 to Fiber Optic Converter

TCF-142 Series
RS-232/422/485 to Fiber Media Converters

IMC-21 Series Entry-level Industrial Media Converter 
Industrial 10/100BaseT(X) to 100BaseFX & 10BaseT to 10BaseFL
Media Converter

IMC-101 Series Industrial Media Converter
Industrial 10/100BaseT(X) to 100BaseFX Media Converters

ME61 Series
Single-Strand: 10/100BaseT(X) to 100BaseFX Fiber Converters

ME51 Series
Double-Strand: 10/100BaseT(X) to 100BaseFX Fiber Converters

TCC-80I NEW!
High-Speed Isolated Serial Port Powered RS-232 to RS-422/485 Converter

TCC-80
Serial Port Powered RS-232 to RS-422/485 Converter

Transio A52/53
RS-232 to RS-422/485 Converters with Optical Isolation

TCC-100/100I
RS-232 to RS-422/485 Converters with Optical Isolation

TCC-82
Serial Port Powered RS-232 4-channel Optical Isolator

TCC-120/120I
RS-422/485 Repeaters with Optical Isolation