Parallel interface pin assignment table
Pin No. Signai Input/output
Description
1
STROBE
Input Strobe signal for reading 8-bit data
2-9 DATA1-8 Input 8-bit parallel signal
10
ACKNLG
Output 8-blt data request signal
11
BUSY
Output Signal showing printer busy
12 PERROR Output Signal showing paper out
13 SELECT
Output Signal showing printer "on line”
(printing) or "off line" (pause)
14
AUTOFD
Input
Invalidness (ignorance)
15 NC
-
Not used
16
S.GND -
Signal ground
17 FGND -
Frame ground
18
P.L.H
Output
Signal showing peripheral logic high
(pull up to +5V with 1.2 Kii)
19-30
GND
-
Ground for twisted pair return
31
INir
Input Printer reset
32
FAULT
Output Signai showing printer error
33-35 NC
- Not used
36
SELECTIN
Input
Invalidness (ignorance)
6-.10
