The following describes the pinout of the parallel (Centronics-type) inter- face connector (signals which are low when active are overlined):

I

Pin 1 Name

1 Function

I

17CHASSIS

18+5v

19-30 1 GND

311 RESET

32ERROR

33EXT GND

34.35N/C

1

36 SELECT IN

Chassis ground (isolated from signal ground)

+5V DC output from printer Twisted pair ground return

1 When this input signal is low, printer is reset

Outputs low when pr;lter cannot continue, due to an error External ground

Always high

1 -

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Star Micronics NX-1020 user manual 118