CHAPTER 4: AT Commands, S-Registers, and Result Codes

 

 

Data mode. The modem receives the break from

 

 

the remote modem:

 

\K0

Clear data buffers and send break to the computer.

 

\K1

Same as \K0.

 

\K2

Send break immediately to the computer.

 

\K3

Same as \K2.

 

\K4

Send 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

Clear data buffers and send break to the remote

 

 

modem.

 

\K1

Same as \K0.

 

\K2

Send break immediately to the remote modem.

 

\K3

Same as \K2.

 

\K4

Send break to the remote modem in sequence with

 

 

the transmitted data.

 

\K5

Same as \K4.

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 first to connect in V.42 error correction

 

 

mode, then in MNP mode, and finally in non-error-

 

 

correction (buffer) mode with 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).

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Black Box MD403A user manual Online command mode. The modem receives a, Nn Error Correction Mode Selection

MD403A specifications

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