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DEFINITY Communications System
APPENDIX D: QUICK-REFERENCE SUMMARIES
7400B Data Module
User’s Guide
Page D-3
Command
Description
&C0
&C1
&D0
&D1
&D2
&D3
&F
&S0
&S1
&T0
&Tl
&T2
&T3
&T4
&T5
&T6
&T7
&T8
&V
&W0
&W1
&Y0
&Y1
&Z0
&Z1
&Z2
&Z3
Maintain DCD circuit in ON state.
DCD circuit operates according to EIA-232-D specification.
Ignore DTR signal.
Return to command mode if ON/OFF transition of DTR is
detected; active call is not disconnected.
Return to command mode if ON/OFF transition of DTR is
detected; active call is disconnected.
Perform reset if ON/OFF transition of DTR is detected.
Recall factory-default configuration profile.
Maintain DSR circuit in on state.
DSR circuit operates according to EIA-232-D specification.
Terminate any test in progress.
Initiate local digital loopback test.
Same as &T1.
Initiate local data loopback test.
Allow remote digital loopback request from remote endpoint.
Deny remote digital loopback requests from remote endpoint.
Initiate remote digital loopback test.
Initiate remote digital loopback test with self-test.
Initiate local digital loopback test with self-test.
Display active and stored configuration profiles.
Store active configuration profile in location 0.
Store active configuration profile in location 1.
Recall configuration profile stored in location 0 at start-up.
Recall configuration profile stored in location 1 at start-up.
Store the following telephone number in location 0.
Store the following telephone number in location 1.
Store the following telephone number in location 2.
Store the following telephone number in location 3.
TABLE D-1 AT COMMAND SET (Contd.)