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APPENDIX D: QUICK-REFERENCE SUMMARIES
DEFINITY Communications System
7400B Data Module
Page D-6
User’s Guide
Value
AT Command
Parameter
Command state echo
Communication mode
Default user profile
DCD circuit option
DSR circuit option
DTR circuit option
enabled
E1
asynchronous
&M0/&Q0
profile 0
&Y0
always on
&C0
always on
&S0
DTR ignored
&D0
Not used by 7400B Data Module
—
&G0
Not used by 7400B Data Module
Y0
—
Not used by 7400B Data Module
—
&P0
RDL request
Result codes
Result code format
granted
&T4
enabled
Q0
text
V1
Result code subset
0-7,10-12,14
X4
Not used by 7400B Data Module
—
&R0
Not used by 7400B Data Module
M1
—
Not used by 7400B Data Module
L2
—
Not used by 7400B Data Module
—
B1
Not used by 7400B Data Module
—
&J0
(more)
TABLE D-4 FACTORY-DEFAULT CONFIGURATION