Multi-Tech Systems MT5600DSVD User Manual

Page 37

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MultiModemDSVD User Guide

4 AT Commands, S-Registers, and Result Codes

32

&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.

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