LED Driver Board

The MTI 81191 LED board is the output interface for the hard graphics panels. The
81191 used with the 81193 or the 81114 processors makes the output side of
multiprocessor panels. The 81191 has an output voltage of 25 mA. This board has output
row for addresses 0-77 and one MTI data connection with a recommended input voltage
of 12v DC (powered by processor)