HP Professional ap550 Compaq Professional Workstation AP550 Maintenance & - Page 185
Table 8-4, Parallel Interface, Connector and Icon, Signal
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8-4 Compaq Professional Workstation AP550 Maintenance and Service Guide Connector and Icon 13 12 11 10 9 8 7 6 5 4 3 2 1 25 24 23 22 21 20 19 18 17 16 15 14 Table 8-4 Parallel Interface Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18-25 Signal Strobe Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 Acknowledge Busy Paper end Select Auto linefeed Error Initialize printer Select IN Signal ground
8-4
Compaq Professional Workstation AP550 Maintenance and Service Guide
Table 8-4
Parallel Interface
Connector and Icon
Pin
Signal
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18-25
Strobe
Data Bit 0
Data Bit 1
Data Bit 2
Data Bit 3
Data Bit 4
Data Bit 5
Data Bit 6
Data Bit 7
Acknowledge
Busy
Paper end
Select
Auto linefeed
Error
Initialize printer
Select IN
Signal ground