The differential line driver can be used to convert single ended to differential signals. Our servo drives accepts only differential encoder inputs, therefor single ended encoder signals must be converted to differential before connecting them to our servo drives. The Index pin is not used by our drives, but to use this device with 3rd party drives we left the index signal input on the header solderable pins. - Converts single ended A, B and Index channel lines to Differential A, _A, B, _B, Index, _Index lines. - Screw terminal input. - RJ45 connector output for easy connection with standard Patch cable. - High noise immunity of output lines. - Output is routable upto 100meters of length.