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

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 response 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.

Command: Vn

ResultCodeFormat

Values:

n = 0 or 1

Default:

1

Description: V0

Displays result codes as digits (terse response).

V1

Displays result codes as words (verbose response).

Command: Wn

Result Code Options

Values:

n = 0, 1, or 2

Default:

2

Description: W0 CONNECT result code reports serial port speed,

 

disables protocol result codes.

W1

CONNECT result code reports serial port speed, en-

 

ables protocol result codes.

W2

CONNECT result code reports line speed, enables pro-

 

tocol result codes.

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Multi-Tech Systems ISI5634PCI/4/8 manual Set Register Value, Read Register Value, Tone Dialing, ResultCodeFormat