A-2
Connector Pin Assignments
Table A-3
Parallel Interface
Connector
Pin
Signal
7
24
25
13
12
23
22
21
20
11
10
8
9
18
19
16
17
5
6
4
3
15
14
1
2
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
Table A-4
Serial Interface
Connector
Pin
Signal
7
1
6
2
8
3
9
5
4
1
2
3
4
5
6
7
8
9
Carrier Detect
Receive Data#
Transmit Data#
Data Terminal Ready
Signal Ground
Data Set Ready
Request to Send
Clear to Send
Ring Indicator