LPTOPTO adapter was developed as keyboard interface for SGU02 or SGU03 control panel replacement. LPTOPTO adapter forms 8 bit opto isolated data port output of stanard Centronics interface. The LPTOPTO adaprer is self powered from Centonics interface on PC side. The host side connector of LPTOPTO adapter has the same pinout as original SGU02 or SGU03 keyboard interface.
LPTOPTO adapter