Universal Remote DMS-100 Especificações descarregar pdf (Página 57)

DMS-100 ringing overview 1-41

DMS-100 Family DMS-100 Ringing System BASE15 and up

Audible ring back signal

Audible ring back indicates to the calling party the called party is being rung.

For all calls, the ring back signal is generated by the tone card in the peripheral

unit hosting the calling party.

The ring back signal in the DMS-100 switch operates on a 6-s cycle, which is

similar to but independent of the ringing cycle. The ring back signal is close

to, but not synchronized with, the DMS-100 switch ringing cycle. An

illustration of the timing between the audible ringing signal and the power

ringing signal is illustrated in the following ﬁgures.

Note: Because audible ringing and power ringing are driven by two

different peripherals, the two ringing cycles are not synchronized.

Figure 1-29 Timing of audible and power ringing signals - immediate ringing

disabled

Audible ring

1 audible ring back cycle

1 ringing cycle

12345 786 91011 0 1 2 3 4 5 7 86 9 10110

Ring request

Audible ring starts

Power ring

starts

Power ring

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 133 134

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