User's Manual NX-2430

PINOUT OF INTERFACE CONNECTOR
The following describes the pinout of the interface connector (signals which
are low when active are overlined).
Parallel interface
Pin Name Function
1 STROB”Eactive
Goes from high to low (for> 0.5 ps) when
2 DATAO High when active
3 DATA1 High when active
4 DATA2 High when active
5 DATA3 High when active
6 DATA4 High when active
7 DATA5 High when active
8 DATA6 High when active
9 DATA7 High when active
10 AC”K 5 VSlow pulse acknowledges receipt of data
11 BUSY Low when printer ready to receive data
12 PAPER
High when paper out. Can be disabled with
EDS setting
13 SELECT High when printer is on-line
14, 15 N/C
16 SIGNAL GND Signal ground
17 CHASSIS Chassis ground (isolated from signal ground)
18 +5V +5V DC output from printer
19-30 GND Twisted pair ground return
31 RESET When this input signal is low, printer is reset
32 ERROR
Outputs low when printer cannot continue, due
to an error
33 EXT GND External ground
34,35 N/C
36 SELECT IN Always high
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