CITIZEN CLP-2001 User Manual
Page 62
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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