Multi-Tech Systems MultiModem USB MT5634ZBA-USB User Manual

Page 30

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30

MultiModemUSB User Guide

Command: \Nn

Error Correction Mode Selection

Values:

n = 0–5, or 7

Default:

3

Description: \N0

Non-error correction mode with data buffering (buffer mode; same as &Q6).

\N1

Direct mode.

\N2

MNP reliable mode. If the modem cannot make an MNP connection, it disconnects.

\N3

V.42/MNP auto-reliable mode. The modem attempts to connect in V.42 error correction mode,
then MNP mode, and finally non-error-correction (buffer) mode - continued operation.

\N4

V.42 reliable mode. If the modem cannot make a V.42 connection, it disconnects.

\N5

V.42, MNP, or non-error correction (same as \N3).

\N7

V.42, MNP, or non-error correction (same as \N3).

Command: \Qn

Flow Control Selection

Values:

n = 0, 1, or 3

Default:

3

Description: \Q0

Disable flow control (same as &K0).

\Q1

XON/XOFF software flow control (same as &K4).

\Q2

CTS-only flow control. Not supported.

\Q3

RTS/CTS hardware flow control (same as &K3).

Command: \Tn

Inactivity Timer

Values:

n = 0, 1–255

Default:

0

Description: \Tn

Sets the time (in minutes) after the last character is sent or received that the modem waits be-

fore disconnecting. A value of zero disables the timer. Applies only in buffer mode.

Note: You can also set the inactivity timer by changing the value of S30.

Command: \Vn

Protocol Result Code

Values:

n = 0, 1, or 2

Default:

1

Description: \V0

Disable the appending of the protocol result code to the DCE speed.

\V1

Enable the appending of the protocol result code to the DCE speed.

\V2

Same as \V1.

Command: \Xn

XON/XOFF Pass-Through

Values:

n = 0 or 1

Defaults:

0

Description: \X0

Modem responds to and discards XON/XOFF characters.

\X1

Modem responds to and passes XON/XOFF characters.

Command: -Cn

Data Calling Tone

Values:

n = 0 or 1

Defaults:

0

Description: -C0

Disable V.25 data calling tone to deny remote data/fax/voice discrimination.

-C1

Enable V.25 data calling tone to allow remote data/fax/voice discrimination.

Command: %A

Adaptive Answer Result Code Enable

Values:

n = 0 or 1

Defaults:

0

Description:

The %A command controls whether the DATA and FAX result codes will be sent by the mo-
dem. The modem must be in fax mode for this command to work. Also, the modem must be set
to +FAA=1 which enables the modem to distinguish between a fax and a data call. When these

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