Table of Contents
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Notes to the Table
Direction refers to the direction of signal flow as viewed from the
printer.
Return denotes "twisted-pair return" and is to be connected at
signal-ground level. When wiring the interface, be sure to use a
twisted-pair cable for each signal and never fail to complete con-
nection on the return side. To prevent noise effectively, these
cables should be shielded and connected to the chassis of the
system unit and printer, respectively.
B-8
6
7
8
9
10
11
12
13
14
15
16
17
18
19-30
31
32
33
34
35
36
QMS 1725E Print System Reference
Data 5
Data 6
Data 7
Data 8
Acnlg-
Busy+
Pe+
Select
Autofeed
Reserved
Ground
Ground
Vcc Test
Ground
Iprime
Fault-
Reserved
Reserved
Reserved
Selectin
InOut
InOut
InOut
InOut
Out
Out
Out
Out
In
-
-
-
-
-
In
Out
-
-
-
In
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