Lucent Technologies AT&T 7400B User Manual

Page 78

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DEFINITY Communications System

APPENDIX B: S-REGISTERS

7400B Data Module

User’s Guide

Page B-13

Register:

S22

Description:

This S-register is used to store the status of bit-mapped options as
follows:

bits 0 and 1 — not used (default = 2, see comment 1)

bits 2 and 3 — not used (default = 1, see comment 1)

bits 4, 5 and 6 — result codes; value depends on argument of result
code options command (default = 0, see

X

command)

bit 7 — not used (default = 0, see comment 1)

Range of

Value may be 00 to FF hexadecimal; factory-default settings produce a

Values:

value of 76 hexadecimal (see comment 2).

Storable:

yes

Comments:

1.

For the 7400B Data Module, bits 0 through 3 and bit 7 will be set
by the appropriate command, however, there will be no other
effect.

2.

Refer to the explanation of hexadecimal values under the Range

of Values label description at the beginning of this appendix.

See Also:

Chapter 4, “Operation and Configuration”; refer to the indicated AT
command in Appendix A, “AT Command Set.”

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