Star StarJet SJ-48 User Manual page 102

PINOUT OF INTERFACE CONNECTOR
The following describes the pinout of the interface connector (signals which are low when
active are overlined).
Pin Name Function
1 STROBE Goes from high to low (for 20.5 us) when active
I 2 I DATAO I High when active
I
I 3 I DATA1 I Highwhen active
I
4 DATA2 High when active
5 DATA3
High when active
6 DATA4 High when active
I 7
I
DATA5 I Highwhenactive
I
I 8 I DATA6 I High when active
I
9 DATA7 High when active
10 ACK 4 ps low pulse acknowledgesreceiptof data
11 BUSY Low when minterreadyto receive data
I 12 I PAPER
I High whenpaperout.
I
I 13 I SELECT I High when printer is on-line
I
14, 1.5
N/C
16 SIGNAL GND Signal ground
17 CHASSIS Chassis ground (isolated from signal ground)
18 N/C
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 mound
I I
34 N/C
I
I 35 I
+5V I +5V DC output from printer
I
I 36 I N/C
I
I
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