Operation Manual

pin 4 : busy

pin 5 : signal ground (RS232)

pin 7 : reset

pin 8 : internal signal

pin 9 : Ubatt 12V (ext. printer)

If there is no integrated printer connected the voltage supply for the

external thermal printer M55-ETP (12V nom.11-15V) can be placed

on pins 1 + 9.

Pin 7: reset is only for M55-ETP

Pin 8: internal signal (identification of M55-ETP)

Assignment usable for customised printers only:

pin 2 : TX signal

pin 3 : RX signal

pin 4 : busy (if necessary)

pin 5 : earth (ground)