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