MultiModemDID User Guide

 

Chapter 4 - AT Commands, S-Registers, 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 command. During handshake,

 

 

fallback to a lower speed can occur.

Command:

On

Return Online to Data Mode

Values:

 

0, 1, 3

Default:

 

None

Description:

O0

Exits online command mode and returns to data mode (see

 

 

+++AT<CR> escape sequence ).

 

O1

Issues a retrain and returns to online data mode.

 

O3

Issues a rate renegotiation and returns 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, 1

Default:

 

0

Description:

Q0

Enables result codes.

 

Q1

Disables result codes.

Command: Sr=n

Set Register Value

Values:

 

r = S-register number; n varies

Default:

 

None

Description:

 

Sets the value of register Sr to the value of n, where n is

 

 

entered in decimal format. Example: S0=1.

Command:

Sr?

Read Register Value

Values:

 

r = S-register number

Default:

 

None

Description:

 

Reads the value of register Sr and displays it in 3-digit decimal

 

 

form. For example, S2? gives the response 043.

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Multi-Tech Systems MT5634ZBA-DID Monitor Speaker Mode, Modulation Handshake, Return Online to Data Mode, Pulse Dialing