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Datamax-O'Neil Class Series II Programmer’s Manual User Manual

Page 283

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Appendix J – General Purpose Input Output Port Applications

Class Series 2 Programmer’s Manual

269

MII Sample SOP Circuit

Pin 3 should be pulled to +5VDC. In additional,

connections for the external Start of Print control can

either be directly made to Pin 4 of the Option Port (or
Main PCB connector) using a TTL-level input, or via an

interface circuit (similar to the one shown). For more

information, see the table below.

1

8

Vcc

Gnd

GPIO Connector Pin Number

3

Spare

4

SOP

1K O

1K O

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