Black Box MD1640A, MD1641A manual DP1, Format of Line Probe Graph or Table Commands DF0, DF1

CHAPTER1: Specifications

These commands are listed below.

Enable/Disable Reading of Line Probe Information Commands:

%DP0

Do not read Line Probe information from DSP during handshake (Default).

%DP1

Read Line Probe information from DSP during handshake.

Format of Line Probe (Graph or Table) Commands:

%DF0

Data is displayed in Graph format. Y axis is shown in dBms (Default).

%DF1

Data is displayed in Table format. Numeric values are displayed 150 Hz to 3750 Hz in 75-Hz increments.

Immediate Action Line Probe Commands:

To activate these commands first type +++AT<CR> (on-line escape command while maintaining command mode), then type the Command prefixed by an AT.

&RP

This command initiates a retrain that makes the processor read Line Probe information. Valid only when on-line in V.34 mode.

L9 = Displays Signal Strength information.

L10 = Displays Signal to Noise Ratio information (SNR).

L11 = Displays noise information.

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