OM9500F Technical Manual
Rev.
1.0
Document No.: 19B00271
Date: Jan 08, 2018
Page: 9
2.1.6 Centronics parallel interface
2.1.7 Interface Connector
<D-SUB 9 Female Serial Port> <D-SUB Centronics Parallel Port>
PIN
SIGNAL
I/O
DESCRIPTION
1
STROBE-
Input
Synchronize signal Data received
2-9
DATA0-7
Input
Data bit Transmitted 0-7
10
ACK-
Output
Data receiving competed
11
BUSY
Output
Impossible to printer data receiving
12
PE
Output
Paper empty
13
SELECT
Output
Printer’s status for ON/OFF line
14
AUTO FEED-
Input
ND
15
NC
-
16
GROUND
-
System Ground
17
CHASSIS GND
-
System Ground
18
LOGIC-H
-
+5V
19-30 GROUND
-
System Ground
31
INIT-
Input
Initialize
32
ERROR-
Output
Printer Error
33
GROUND
-
System Ground
34
NC
-
35
+5V
-
+5V
36
SELECT IN-
Input
ND
5 1
