Oki ML591 MICROLINE Reference Manual - Page 164

Appendix A: Interfacing, Parallel Interface

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Appendix A: Interfacing This appendix gives the pin assignments for the parallel and serial interfaces of MICROLINE printers. It also includes the most common serial cable configurations. Parallel Interface Note: The parallel cable should be no longer than 6 ft. (1.8m). The cable must be shielded in order to comply with FCC requirements. Table 102: Pin Assignments for Parallel Interface Signals Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14† 15 16 17 18† 19-30 31† 32 33 34-35 Signal Strobe Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 Acknowledge Busy Paper end Select Autofeed Not used 0V Chassis Ground +5V* 0V I-Prime Fault 0V Not used Return Pin 19 20 21 22 23 24 25 26 27 28 29 30 No return - - No return No return - - - - - - Direction To Printer To Printer To Printer To Printer To Printer To Printer To Printer To Printer To Printer From Printer From Printer From Printer From Printer To Printer - Signal Ground Frame Ground From Printer Ground To Printer From Printer Signal Ground - † Pins controlled by jumper plugs in the printer. * 50 mA maximum. Appendix A: Interfacing 133

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Appendix A: Interfacing
133
Appendix A: Interfacing
This appendix gives the pin assignments for the parallel and serial interfaces of MICROLINE
printers. It also includes the most common serial cable configurations.
Parallel Interface
Note:
The parallel cable should be no longer than 6 ft. (1.8m). The cable must be
shielded
in
order to comply with FCC requirements.
Table 102: Pin Assignments for Parallel Interface Signals
Pin
Signal
Return Pin
Direction
1
Strobe
19
To Printer
2
Data 1
20
To Printer
3
Data 2
21
To Printer
4
Data 3
22
To Printer
5
Data 4
23
To Printer
6
Data 5
24
To Printer
7
Data 6
25
To Printer
8
Data 7
26
To Printer
9
Data 8
27
To Printer
10
Acknowledge
28
From Printer
11
Busy
29
From Printer
12
Paper end
30
From Printer
13
Select
No return
From Printer
14†
Autofeed
–
To Printer
15
Not used
–
–
16
0V
No return
Signal Ground
17
Chassis Ground
No return
Frame Ground
18†
+5V*
–
From Printer
19-30
0V
–
Ground
31†
I-Prime
–
To Printer
32
Fault
–
From Printer
33
0V
–
Signal Ground
34-35
Not used
–
–
† Pins controlled by jumper plugs in the printer.
* 50 mA maximum.