Modem User's Manual

MultiModemDSVD User Guide 4 AT Commands, S-Registers, and Result Codes
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&T3 Start local digital loopback, V.54 Loop 2. If no connection ex-
ists, ERROR is returned.
&T4 Enables acknowledgment for remote digital loopback request.
&T5 Ignores acknowledgment for remote digital loopback request.
&T6 Requests a remote digital loopback, V.54 Loop 2, without self-
test. If no connection exists, ERROR is returned. The CON-
NECT XXXX message is displayed upon the start of the test.
&T7 Requests a remote digital loopback, V.54 Loop 2, with self test.
(In self test, a test pattern is looped back and checked by the
modem..) If no connection exists, ERROR is returned. When
the test is terminated, the number of detected errors is re-
ported to the computer.
&T8 Starts local analog loopback, V.54 Loop 3, with self test. If a
connection exists, the modem hangs up before the test begins.
When the test is terminated, the number of detected errors is
reported to the computer.
Command: &V0 Display Current Configuration
Values: 0
Default: None
Description: Displays the current (active) configuration.
Note: See also the L5 command.
Command: &V1 Display Last Connection Statistics
Values: 1
Default: None
Description: Displays statistics for the last connection.
Command: &W n Store Current Configuration
Values: n = 0 or 1
Default: None
Description: &W0 Stores current modem settings in nonvolatile memory as Profile 0.
Profile 0 is loaded instead of the factory defaults at power-on
(if &Y0 is set) and by the ATZ command.
&W1 Stores current modem settings in nonvolatile memory as Profile 1.
Profile 1 is loaded instead of the factory defaults at power-on
(if &Y1 is set) and by the ATZ1 command.
Note: See also the Z, &F, and &Y commands.
Command: &Y n Select Profile for Hard Reset
Values: n = 0 or 1
Default: None
Description: &Y0 Select profile 0 to be loaded on power-up.
&Y1 Select profile 1 to be loaded on power-up.
Note: See also the &W and Z commands.