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3-2 Ringing in Series II peripherals

297-1001-131 Standard 06.01 October 2000

The SCM-100U was introduced into the DMS-100 by feature package

NTX387. You can ﬁnd documentation on the SCM-100U by referring to the

SMU Maintenance Manual

Ringing types supported by SCM-100U

The SCM-100/RCU system supports the following types of ringing:

• 2-second ring, 4-second silence for single party

• 2-second ring, 4-second silence for multiparty

• coded ringing for multiparty

• revertive ringing for multiparty.

SCM-100U/RCU ringing conﬁguration

The following ﬁgure illustrates the conﬁguration of the ringing system in the

SCM-100U/RCU system.

Figure 3-1 SCM-100U/RCU ringing conﬁguration

Note: This diagram shows only the hardware associated with ringing.

Ring/pad

Master

processor

DS-1

interface

DS-1

interface

Control

processor

Timing

SCM-100U RCU

LCC

DS-1

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Universal Remote DMS-100 Spezifikationen Seite 70