The line converter unit has screw terminals on the RS422 side and a 9 and 25 way connector
on the RS232 side.
The built-in diagnostic loop-back test allows fast and simple setup to ensure the correct
communication setup of the PC. The 3 LED's provide an indication for TX, RX and power.
Additional protection and full opto-isolation will stop surges passing through and prevents
damage to the PC or connected equipment.
