Silicon Graphics IRIS Indigo Owner's Manual page 199

Table A-3 (continued)
Pin Assignment
10 ACK
11 BUSY
12 PE (Paper End)
13 SELECT
14 AUTOFEED
15 ERROR/FAULT
16 INIT/RESET
17 SELECT-IN (Direction)
18 GROUND
19 GROUND
20 GROUND
21 GROUND
22 GROUND
23 GROUND
24 GROUND
25 GROUND
Parallel Port (25-pin DSUB Connector)
Parallel Port
183