The TCF-142-RM Series slide-in modules are serial-to-fiber converters that work with the TRC-190 chassis. The modules convert from the RS-232, RS-422, or RS-485 signal to a fiber-optic signal

● Extends RS-232/422/485 transmission up to 40 km with single-mode or 5 km with multi-mode

● 1 or 150 kilo-ohm adjustable pull high/low resistor

● Supports ring and point-to-point transmission