Parallel interface pin assignment table
Pin No.
Signal
1
STROBE
2−9
DATA1-8
10
ACKNLG
11
BUSY
12
PERROR
13
SELECT
14
AUTOFD
15
NC
16
S.GND
17
FGND
18
P.L.H
19−30
GND
31
INIT
32
FAULT
33−35
NC
36
SELECTIN
Input/Output
Input
8-bit data reading signal
Input
8-bit parallel signal
Output
8-bit data request signal
Output
Signal specifying printer Busy
Output
Signal specifying media out
Output
Signal specifying printer 'ON LINE'
(printing enabled) or 'OFF LINE' (pausing)
Input
Invalidness (ignorance)
−
Not used
Output
Signal ground
Output
Frame ground
Output
Signal specifying Peripheral Logic High
(pull up to +5V with 2 KΩ)
Output
Ground for twisted pair return
Input
Printer reset
Output
Signal specifying printer error
−
Not used
Input
Invalidness (ignorance)
75
2 Specifications
Description
Appendixes