4 at commands, s-registers, and result codes, Multimodemzpx user guide – Multi-Tech Systems MT5634ZPX-PCI-V92 User Manual

Page 34

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4 AT Commands, S-Registers, and Result Codes

29

MultiModemZPX User Guide

Command:

\B

n

Transmit Break

Values:

n = 0–9 in 100 ms units

Default:

3

Description:

In non-error-correction mode only, sends a break signal of the
specified length to a remote modem. Works in conjunction
with the \K command.

Command:

\J

n

Data Buffer Control

Values:

n = 0

Default:

0

Description:

\J0

Enables data buffer—DTE (serial port) speed is independent of
connect speed.

Command:

\K

n

Break Control

Values:

n = 0–5

Default:

5

Description:

Controls the response of the modem to a break received from
the computer, the remote modem, or the \B commnd. The re-
sponse is different for each of three different states.

Data mode.

The modem receives the break from the computer:

\K0

Enters online command mode, no break sent to the remote
modem.

\K1

Clears data buffers and send break to the remote modem.

\K2

Same as \K0.

\K3

Sends break immediately to the remote modem .

\K4

Same as \K0.

\K5

Sends break to the remote modem in sequence with the trans-
mitted data.

Data mode.

The modem receives the break from the remote

modem:

\K0

Clears data buffers and sends break to the computer.

\K1

Same as \K0.

\K2

Sends break immediately to the computer.

\K3

Same as \K2.

\K4

Sends break to the computer in sequence with the received data.

\K5

Same as \K4.

Online command mode.

The modem receives a \Bn command

from the computer:

\K0

Clears data buffers and sends break to the remote modem.

\K1

Same as \K0.

\K2

Sends break immediately to the remote modem.

\K3

Same as \K2.

\K4

Sends break to the remote modem in sequence with the
transmitted data.

\K5

Same as \K4.

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