Multitech MT5634ZBA-USB Betriebsanweisung PDF herunterladen (Seite 25)

Chapter 4 - AT Commands, S-Registers and Result Codes

Command: Mn Monitor Speaker Mode

Values: n = 0, 1, 2, or 3

Default: 1

Description:M0 Speaker always off.

M1 Speaker on until carrier signal detected.

M2 Speaker always on when modem is off-hook.

M3 Speaker on until carrier is detected, except while dialing.

Command: Nn Modulation Handshake

Values: n = 0 or 1

Default: 1

Description:N0 Modem performs handshake only at communication standard specified by S37 and the B

command.

N1 Modem begins handshake at communication standard specified by S37 and the B com-

mand. During handshake, fallback to a lower speed can occur.

Command: On Return Online to Data Mode

Values: 0, 1, 3

Default: None

Description:O0 Exit online command mode and return to data mode (see +++AT<CR> escape sequence ).

O1 Issue a retrain and return to online data mode.

O3 Issue a rate renegotiation and return to data mode.

Command: P Pulse Dialing

Values: P, T

Default: T

Description: Configures the modem for pulse (non-touch-tone) dialing. Dialed digits are pulsed until a T

command or dial modifier is received.

Command: Qn Result Codes Enable/Disable

Values: n = 0 or 1

Default: 0

Description:Q0 Enable result codes.

Q1 Disable result codes.

Q2 Returns an OK for backward compatibility with some software.

Command: Sr=n Set Register Value

Values: r = S-register number; n varies

Default: None

Description: Set value of register Sr to value of n, where n is entered in decimal format. E.g., S0=1.

Command: Sr? Read Register Value

Values: r = S-register number

Default: None

Description: Read value of register Sr and display it in 3-digit decimal form. E.g., S2? gives the re-

sponse 043.

Command: T Tone Dialing

Values: P, T

Default: T

Description: Configures the modem for DTMF (touch-tone) dialing. Dialed digits are tone dialed until a P

command or dial modifier is received.

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