Interfaces
Parallel interface
Connector assignment
Nibble Mode
128
The bidirectional parallel interface offers the so called "nibble" and the
ECP mode of the IEEE1284 interface standard. This enables installa-
tion in accordance with Windows "Plug & Play".
The standard parallel interface is able to transfer data at a speed of max.
30,000 bytes per second. When the receiving buffer is full, the data in-
put is blocked until the data buffer is empty. This guarantees data trans-
mission in blocks of 1 KB.
Pin
Signal
1
nSTROBE
2
DATA0
3
DATA1
4
DATA2
5
DATA3
6
DATA4
7
DATA5
8
DATA6
9
DATA7
10
nACK
11
BUSY
12
PE
13
SELECT
14
nAUTOFEED
15
NC
16
Signal GND
17
Chassis GND
18
+5V DC
In/Out
Pin
Parallel
In
19
Signal GND
In
20
Signal GND
In
21
Signal GND
In
22
Signal GND
In
23
Signal GND
In
24
Signal GND
In
25
Signal GND
In
26
Signal GND
In
27
Signal GND
Out
28
Signal GND
Out
29
Signal GND
Out
30
Signal GND
Out
31
nINIT
Out
32
nERROR
33
Signal GND
34
35
+5V DC
Out
36
nSELECT IN
User Guide
In/Out
In
Out
NC
Out
In
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