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Centronics Interface Connector
The Parallel I/F-30 is provided with a Centronics-type connector
that permits it to be connected to a personal computer with the
same type of cable used to connect a printer. The signal assignments
for the terminals of Centronics-type interface connectors are usually
the same from one computer to another, but there are some excep-
tions. Check the signal assignments below to be sure that connec-
tions will be made correctly.
• See the operation manual of the personal computer for a diagram of the signal
assignments of the parallel interface connector on the computer.
Connector Signal Assignments
18
15
12
9
6
3
~I::::::::::::::::::
I~
36
33
30
27
24
21
19
Pin No.
Signal
Direction
Function
Input synchronization signal
1
DATA STROBE
+--
for data read (DAT A 1 - 8).
Normally HIGH, becomes
LOW to read data.
2
DATA I
3
DATA 2
4
DATA 3
Input for data bits 1
5
DATA4
+--
through 8. HIGH when bit
6
DATA 5
is 1, LOW when bit is 0.
7
DATA 6
8
DATA 7
9
DATA 8
4
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