Filter
Top Products
USER’S GUIDE
Appendix–8
INTERFACE SPECIFICATIONS
Bi-directional Parallel Interface
Interface Connector
A shielded cable that is IEEE 1285 compliant with the following pin
assignment should be used. Most existing parallel cables support bi-
directional communication, but some might have incompatible pin
assignments or may not be IEEE 1284 compliant.
18 15 12 9 6 3 1
36 33 30 27 24 21 19
Fig. A-1 Parallel Interface Connector
Pin Assignment
Pin No.
Signal Pin No. Signal
1 DATA STROBE 19 Twisted pair ground
2
DATA 0 20 Twisted pair ground
3
DATA 1 21 Twisted pair ground
4
DATA 2 22 Twisted pair ground
5
DATA 3 23 Twisted pair ground
6
DATA 4 24 Twisted pair ground
7
DATA 5 25 Twisted pair ground
8
DATA 6 26 Twisted pair ground
9
DATA 7 27 Twisted pair ground
10 ACKNLG
28 Twisted pair ground
11
BUSY 29 Twisted pair ground
12
PE 30 INPUT PRIME RET
13 SLCT 31 INPUT PRIME
14 AUTO FEED 32 FAULT
15 N.C. 33 N.C.
16
0V 34 N.C.
17
0V 35 N.C.
18
+5V 36 SELECT IN