Lucent Technologies AT&T 7400B User Manual

Page 69

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APPENDIX B: S-REGISTERS

DEFINITY Communications System

7400B Data Module

Page B-4

User’s Guide

Register:

S0

Description:

The value in this S-register represents the ring number on which an
incoming call will be automatically answered.

Range of

The value may be 000 through 255 rings. The factory-default setting is

Values:

000 rings.

Storable:

yes

Comments:

Setting S-register

S0

to any value from 001 through 255 enables

automatic answer; a value of 000 disables automatic answering. The
count of incoming rings is stored in S-register S1.

See Also:

Chapter 4, “Operation and Configuration”; S-register

S1.

Register:

S1

Description:

The number of incoming rings detected. Incremented each time a ring
is detected. It is cleared if no rings are detected for eight seconds.

Range of

The value may be 000 through 255 rings. The factory-default setting is

Values:

000 rings.

Storable:

no

Comments:

In the 7400B, incoming rings are not detected as such. The PBX
notifies the 7400B of an incoming call and a ring cycle (RI lead) is
generated internally. The register is incremented after each ring cycle.

See Also:

Chapter 4, “Operation and Configuration”; S-register

S0.

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