Features include ...

RS232/4xx/20mA factory-fitted serial interfaces to fibre
RS485 version can operate as a 2-wire RS485 repeater / bus extender
Glass (multimode, up to 4000m) and polymer fibre (up to 100m) versions
Remote loopback test - unique for a product in this price range
7V to 35V DC powered
Three way isolated - avoids ground loops
RS485 version has Automatic Driver Enable (ADE)
Data flow indicator LEDs
Removable screw terminals
1200-115200 baud


KDF-ST
(Multimode Glass Fibre)


KDF-SFH
(Polymer Fibre)