2 parallel interface – Citizen Systems Citizen CLP 8301 CLP-8301 User Manual
Page 74
Chapter 9 Specifications
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60
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2 Parallel interface
Specifications
Transfer method:
8-bit parallel (compatibility mode)
Synchronous:
Strobe pulse
Handshaking:
ACKNLG and BUSY signals
Signal level:
TTL
Printer side:
36-pin non-phenol type
Pin assignment
Pin No.
Signal
Input/Output
Description
1
STROBE
Input
Strobe signal to read 8-bit data
2
−
9
DATA1-8
Input
8-bit parallel data signal
10
ACKNLG
Output
8-bit parallel data request signal
11
BUSY
Output
Signal to indicate printer ‘Busy’
12
PERROR
Output
Signal to indicate media out
13
SELECT
Output
Signal to indicate printer on line or off line
14
N.C
−
Not used
15
NC
−
Not used
16
GND
−
Ground
17
F.GND
−
Frame ground
18
N.C
−
Not used
19
−
30
GND
−
GND
31
INIT
Input
Printer reset
32
FAULT
Output
Signal to indicate printer error
33
−
35
N.C
−
Not used
36
N.C
−
Not used