
4-95
Advance Information
MH89761
Figure 3 - DSX-1 Line Pulse Template (Reference: ANSI T1.102-1987)
Figure 4 - Typical Frequency Response of the Equalizers
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115%
105%
95%
90%
80%
50%
5%
-7%
-5%
-20%
-45%
Nominal
Pulse Shape
SYMBOL
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TIME
100 ns
75 ns
175 ns
50 ns
100 ns
100 ns
75 ns
50 ns
50 ns
375 ns
150 ns
130 ns
175 ns
Note 1: Template is not to scale
AA
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100K
200K
500K
1000K
2000K
5000K
10M
20M
50M
100M
Frequency (Hz)
Resistive Load
MEDIUM
SHORT
Short
0-150’
Medium
150-450’
Long
450-655’
CLOSE
OPEN
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CLOSE
Equalizer settings
Note: The equalizer shown here is optimum for 22
gauge
ABAM
cable
transformer. The distance settings are approximate
and may vary with cable and transformer type
and
Filtran
TFS2573
Attenuation Versus Frequency
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