AT&T 7400B Plus User Manual page 178

APPENDIX E: QUICK-REFERENCE SUMMARIES
Page E-2
Command
AT
A
A
D
E0
E1
H0
H1
I0
I1
I2
O
Q0
Q1
Sr
Sr=n
Sr?
V0
V1
X0
X1
X2
X3
X4
Z0
Z1
AT COMMAND SET
Description
Command prefix—precedes most commands.
Answer an incoming call.
Repeat the last command line.
Enter originate mode and dial number that follows.
Inhibit command state echo.
Enable command state echo.
Go on-hook (hang up).
Accepted but causes no action.
Returns decimal number 249 to data terminal.
Returns ROM checksum as two 4-digit hexadecimal numbers.
Returns OK.
Return to on-line mode.
Enable display of result codes.
Disable display of result codes.
Set pointer to S-register r.
Set S-register r to value n.
Display value stored in S-register r.
Display short form (numeric) result codes.
Display verbose form (text) result codes.
Enables features of result codes 0-4.
Enables features of result codes 0-5, 10-12, 14.
Enables features of result codes 0-5, 10-12, 14.
Enables features of result codes 0-5, 7, 10-12, 14.
Enables features of result codes 0-5, 7, 10-12, 14.
Reset and recall stored configuration profile 0.
Reset and recall stored configuration profile 1.
(more)
DEFINITY Communications System
TABLE E-1
7400B Plus Data Module
User´s Guide