Tandy 102 Service Manual page 80

B-2-3. Printer Interface
Pin No. Symbol
1 STROBE
2 GND
3 PDO
4 GND
5 PD1
6 GND
7 PD2
8 GND
9 PD3
10 GND
11 PD4
12 GND
13 PD5
14 GND
15 PD6
16 GND
17 PD7
18 GND
19 NC
20 GND
21 BUSY
22 GND
23 NC
24 GND
25 BUSY
26 NC
0
25
26
23
24
Description
STROBE Pulse
Bit 0 of Print Data
Bit 1 of Print Data
Bit 2 of Print Data
Bit 3 of Print Data
Bit 4 of Print Data
Bit 5 of Print Data
Bit 6 of Print Data
Bit 7 of Print Data
Busy Signal for Computer
Select Signal
Table B-3. Printer Connector Pin Assignments
0
21
22
0
0
19
20
17
18
0
15
16
0
13
14
0
0
9
10
0
7
8
0
5
6
0
0
3
4
1
2
Figure B-4. Printer Connector