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1-38 DMS-100 ringing overview

297-1001-131 Standard 06.01 October 2000

The following table provides a summary of ringing generator power

speciﬁcations in the NTNP50 POTS 32 line card.

The following table provides a summary of the compatibility of DMS-100

ringing types.

The following table provides a summary of the compatibility of teen ringing

types.

Table 1-9 Ringing generator power speciﬁcations - NTNP50

Parameter Minimum Nominal Maximum Units

Supply Voltage

Supply Current

0.3

48 75

0.8

V dc

Amps

Table 1-10 Compatibility of DMS-100 ringing types

Ringing type Immediate ring Distinctive ring

Superimposed Yes (see notes 1-3) No

Coded Yes Yes

Frequency selective Yes (see note 4) No

Immediate ringing --- No

Distinctive ringing No ---

Note 1:

There can be no more than 2FRs, that is, no 4FRs, 8-party or 10-party.

Note 2:

All 6X30 DIP switch settings must be set with switch 2 and 3 on (1) and

switches 4 through 8 off (0).

Note 3:

LCMs will not support immediate ringing on frequency selective ringing

lines unless all ringing time slots have the same frequency.

Note 4:

LCMs will not support immediate ringing on superimposed ringing lines

unless all ringing time slots have the same dc offset.

Table 1-11 Compatibility of teen ringing

Ringing type Teen ringing

Immediate ringing Yes

Distinctive ringing Yes

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Universal Remote DMS-100 Especificaciones Pagina 54