Universal Remote DMS-100 Especificações descarregar pdf (Página 18)

1-2 DMS-100 ringing overview

297-1001-131 Standard 06.01 October 2000

Figure 1-1 Illustration of a DMS-100 ringing cycle

Note: The time slot duration for LCE ringing varies with the ringing

scheme. If ringing is superimposed or coded, all time slot durations are 500

ms. If frequency selective ringing (FSR) is used, time slot 0 is 60 ms, time

slot 1 is 65 ms, time slot 2 is 75 ms, and the remainder of the time slots are

45 ms each. The total duration for the ringing cycle remains 6 s.

Operating company personnel can deﬁne the time slot and subcycle durations

according to the type of ringing scheme being used.

Normal and immediate ringing

The DMS-100 switch applies power ringing to a line in either normal or

immediate ringing mode. In the normal ringing mode, the DMS-100 switch

LME ringing cycle

Ringing cycle

(6 s)

Time slot

(500 milliseconds[ms])

3 4 5 6 7 891011

34 56 7 891011

Ringing cycle

(6 s)

Time slot

(500 ms)

Subcycle

0123

Subcycle Subcycle Subcycle

Ringing cycle

(6 s)

Time slot

(500 ms)

Phase 1 Phase 2 Phase 3

LCE ringing cycle

SCM ringing cycle

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 133 134

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