Parallel Printer Ports; Table A-6: Centronics Interface Cabling Signal Pinouts - Alpha Microsystems AM-6000 Owner's Manual

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PARALLEL PRINTER PORTS

AM-6000 computers have four high-speed parallel ports. All the parallel ports on the AM-6000 support
the industry standard Centronics interface. The signal pinouts for the parallel ports are as follows:
To insure the reliability and performance of your parallel ports, avoid using parallel printer
cables longer than six feet.
PIN # SIGNAL NAME
1 Data strobe
2 Data 1
3 Data 2
4 Data 3
5 Data 4
6 Data 5
7 Data 6
8 Data 7
9 Data 8
10 Acknowledge
11 Busy
12 Paper error
13 Select
14 Auto line-feed (not used)
15 Error
16 Printer reset
17 Select in
18 Ground
19 Ground
20 Ground
21 Ground
22 Ground
23 Ground
24 Ground
25 Ground

Table A-6: Centronics Interface Cabling Signal Pinouts

AM-6000 Computer Owner's Manual, Rev. 00
Appendix A