Epson ETX-945 - Manual (Page 26)

ETX-945 User Manual 1.02 www.diamondsystems.com Page 26
4.3.8 Miscellaneous functions
These pins carry power and ground signals and a GPIO signal, as indicated.
Signal Name Signal Function Direction
VCC +5V ±5% DC power input In
GND Power ground In/Out
RESERVED Do not connect n/a
LTGIO0 General purpose I/O In/Out