Citizen Systems CLP-6401 - Manual (Page 75)

6-12
n Parallel interface pin assignment table
Pin No. Signal 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-bit data request signal
11 BUSY Output Signal specifying printer busy
12 PERROR Output Signal specifying paper absence
13 SELECT Output Signal specifying printer "on line"
(printing) or "off line" (pause)
14 AUTOFD Input Invalidness (ignorance)
15 NC
- No
use
16 S.GND - Signal ground
17 FGND - Frame ground
18 P.L.H Output Signal specifying peripheral logic high
(pull up to +5V with 2 K
W]
19 -30 GND - Ground for twisted pair return
31 INIT Input Printer reset
32 FAULT Output Signal specifying printer error
33
-35 NC - No
use
36 SELECTIN Input Invalidness (ignorance)