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25 23 21 19
17 15 13 11
9 7 5 3 1
0000 0000 00000
0000 0000 0000
ON
I
I I I
I I I I
\ \ \ \
!
rnrmsss
11mEm11
mmE
I
OFF I I t
l
I
I
I .I
I . I
I
I
0000 0000 0000
0000 0000 0000
24 22 20 18
16 14 12 10
8 6 4 2
0000
- +
+ +
NU DATA CORP.
20
8
6
5
4, 3
2
0000000
+
0
A
B
0+
__ 0 .
Q -
PULSE TRAPS.-
--0
~
0-·
Figure
6-1. Modem Interface Test Set
(~N
453637)
The NU DATA
test set connects in _series with the CCITT/EIA
data se1
cable -and the
7
25- pin ·data
set connector. _ This enables
the
CE
t<
monitor, measure,
or control
the 24
leads
of·-~
data-
~et
interfacE
cable.
Non-standard
inter connections and
signal generation
can
-bE
performed
using
patch
cords.
provided with
the
tool.
This
too:
contains seven
LED indicators
for quick
display of
the significan1
CCITT/EIA lines.
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