The subscriber's dial pulsed at about 10 pulses per second, although the speed depended on the standard of the particular telephone administration.
2.
The flash is longer than a rotary dial pulse, sometimes called a " short flash ", and is shorter than a hang-up ( on-hook ).
3.
Using DC voltage changes, the local switch would send a signal to get ready for a call and the remote switch would reply with an acknowledgment to go ahead with dial pulsing.
4.
With Switched 56 DDS, bit eight is pulsed ( alternately set to logical ZERO and ONE ) to transmit two state dial pulse signaling information between a SW56 DDS CSU / DSU, and a digital end office switch.
5.
A few peripherals that needed quicker response time, such as Dial Pulse Transmitters, were controlled via Central Pulse Distributors, which otherwise were mainly used for enabling ( alerting ) a peripheral circuit controller to accept orders from the Peripheral Unit Address Bus.
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