Universal Remote DMS-100 Dokumentacja Pobierz pdf (Strona 53)

DMS-100 ringing overview 1-37

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

Each POTS 32 NTNP50 line card has a dedicated ringing generator. The

following table lists the characteristics of the on board ringing generator.

Synchromonic NT6X60AA 20 Hz

20 Hz

30 Hz

42 Hz

54 Hz

66 Hz

87 V ac

105 V ac

110 V ac

115 V ac

125 V ac

Bell (105 V) NT6X60AA 20 Hz

20 Hz

-52 V dc

-40 V dc

+40 V dc

Table 1-7 Ringing generator parameters - NT6X60 (Sheet 2 of 2)

Ringing type RG PEC Frequency Voltage Maximum ring line

Note:

Maximum number of ringing lines is based on three ringers for each line and a short loop length.

Table 1-8 Ringing generator characteristics - UEN

Characteristic Value Purpose

Input -48 V Input power

Output 86 Vrms at nominal 20

Hz, superimposed on a

dc offset equal to the talk

battery voltage

Ringing voltage output.

The ringing generator is

capable of ringing 15 VA

or 15 REN (ringing

equivalent number) at the

shortest loop length.

Coded ringing

Frequencies of 25 Hz or

50 Hz are software

selectable

Alternate output

frequencies

Zero crossing indicator Indicates the output dc

voltage zero crossing to

prolong life of ringing

relays

dc feed resistances 205 Ω nominal

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 133 134

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Universal Remote DMS-100 Dokumentacja Strona 53

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