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6.2.6 PULSE DIALING (SEE Fig. 20)
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During pulse dialing the hookswitch (T8, T9) is used to generate the pulses using the
signal, which is set high during pulses. To force the line impedance low during the "pause"
intervalsbetween dial pulses, the
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http://202.224.189.179/view_new/OT/KX-TCD725RUM/SVC/s0602060000.html13.10.2007 10:14:49
PULSE-DIAL
signal turns on T11.
HOOK
control
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