E-FSC: ENVIROMUX RS485/RS232/RS422 to fiber converter/extender 

extends a sensor up to 1.2 miles (2 km) over two Simplex 50/125 SC/SC fiber-optic cables 

• Converts RJ45 cabling into fiber on both ends
• Built-in surge and static protection
• Supports two simplex multimode 50-micron or 62.5-micron SC cables
• Use CAT-5/5e/6 cable with one end unterminated to connect the ENVIROMUX unit and sensor to the fiber converters
• Compatible with ENVIROMUX 2D/5D/16D and E-SEMS-16