HP ProSignia 120 Maintenance And Service Manual page 129

14
1
Pin Signal
Strobe
2 Data Bit 0
3 Data Bit 1
4 Data Bit 2
5 Data Bit 3
6 Data Bit 4
7 Data Bit 5
8 Data Bit 6
9 Data Bit 7
10 Acknowledge
11 Busy
12 Paper End
13 Select
Pin Signal
1 Carrier Detect
2 Receive Data
3 Transmit Data
4 Data Terminal Ready
5 Ground
Table A-6
Parallel
Pin Signal
14 Auto Linefeed
15 Error
16 Initialize Printer
17 Select In
18 Ground
19 Ground
20 Ground
21 External Diskette Positive Drive Detect
22 External Diskette Negative Drive Detect
23 Ground
24 Ground
25 External Diskette Drive Switched to +5 V
Table A-7
Serial
6 9
1 5
Pin Signal
6 Data Set Ready
7 Ready to Send
8 Clear to Send
9 Ring Indicator
25
13
Connectors A-3