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ODP 200 Technical Manual
14
1
14
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15
3
16
4
17
5
18
1
6
2
3
8
7
4
9
5
6
19
7
20
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21
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22
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25
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TXD
DCD
DSR
RXD
TXD
CTS
DTR
RXD
RTS
DSR
DTR
SIGNAL GROUND
< Figure 2.3 Serial Interface Cable connection >
2.1.6 Centronics parallel interface
1)
Specifications
Data transmission: 8-bit parallel
Synchronization: STROBE pulse supplied by host computer.
Handshaking:
ACK and BUSY
Connector:
Centronics 36pin
DATA Data n
Data n+1
tHold
nStrobe
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
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
SELECT IN-
Input
ND
Содержание ODP 200
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Страница 16: ...ODP 200 Technical Manual 16 Centronics Parallel Interface Cable Connection...
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