Specifications

Hardware Configuration
2-15
J3 Pin Signal
Name
Typical Function In/Out DB25
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
-STB
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
-ACK
BSY
PE
SLCT
Output Data Strobe
Parallel Data Bit 0
Parallel Data Bit 1
Parallel Data Bit 2
Parallel Data Bit 3
Parallel Data Bit 4
Parallel Data Bit 5
Parallel Data Bit 6
Parallel Data Bit 7
Character Accepted
Printer Busy
Paper Empty
Printer Selected
Out
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
In
In
Out
Out
1
2
3
4
5
6
7
8
9
10
11
12
13
2
4
6
8
26
-AFD
-ERR
-INIT
-SLIN
N/C
Autofeed
Printer Error
Init Printer
Select Printer
KEY
Out
In
Out
Out
--
14
15
16
17
--
10, 12
14, 16
18, 20
22, 24
Ground Signal Ground -- 18-25
Table 2-10. Parallel Port Connector (J3)
IDC Ribbon Connector 3M 3399-7026
Discrete Wire Connector Housing Molex 22-55-2261
Discrete Wire Connector Pins Molex 16-02-0103
Table 2-11. J3 Mating Connectors