Bematech MP200 - Serial Interface; Centronics Parallel Port

MP200 USER MANUAL
Page 13
Serial interface
PIN
SIGNAL
I/O
DESCRIPTION
2
TXD
Output
Printer transmit data line RS-232C level
3
RXD
Input
Printer receive data line RS-232C level
4, 20
DTR
Output
Printer handshake to host line RS-232C level
6
DSR
Input
Data Send Ready
1, 7
GND
-
System Ground
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
Paper auto feed signal
15
GROUND
-
System Ground
16
GROUND
-
System Ground
17
NC
-
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
SELLECT IN-
Input
Printer select signal