56K V.92 Data, Fax, and Voice Chipset

Table 2-1.

Data Mode Command Summary (Continued)

 

 

 

 

 

 

 

 

 

 

Note

 

Command

Function

Default

Range

Reported by

 

&Vn

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q1

Disables result codes

 

 

 

 

 

 

 

 

 

 

 

 

Sn

Select an S-register

none

0–37

no

 

 

 

 

 

 

 

 

 

Sn=x

Write to an S-register

none

n=0–37

no

 

 

x=0–255

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sn?

Read from an S-register

none

0–33

no

 

 

 

 

 

 

 

*

 

T

Select tone dialing

none

no

 

 

 

 

 

 

 

*

 

Vn

Result code form

1

0, 1

yes

 

 

 

 

 

 

 

 

 

V0

Choose numeric form

 

 

 

 

 

 

 

 

 

 

 

 

V1

Choose verbose (text) form

 

 

 

 

 

 

 

 

 

 

*

 

Wn

Response code data rate

0

0, 2–4

yes

 

 

 

 

 

 

 

 

 

W0

Reports DTE speed response codes

 

 

 

 

 

 

 

 

 

 

 

 

W2

Reports DCE speed response codes

 

 

 

 

 

 

 

 

 

 

 

 

 

Reports DTE speed response codes and

 

 

 

 

 

W3

information on error correction and data com-

 

 

 

 

 

 

pression

 

 

 

 

 

 

 

 

 

 

 

 

W4

Reports protocol, data compression, and DTE

 

 

 

 

 

data rate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*

 

Xn

Result code type

4

0–4

yes

 

 

 

 

 

 

 

 

 

X0

Enables result codes 0–4; disables detection

 

 

 

 

 

of busy and dial tone

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X1

Enables result codes 0–5, 10, and above; dis-

 

 

 

 

 

ables busy and dial tone detection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Enables result codes 0–6 and 10 and above;

 

 

 

 

 

X2

disables busy detection and enables dial tone

 

 

 

 

 

 

detection

 

 

 

 

 

 

 

 

 

 

 

 

 

Enables result codes 0–5, 7, and 10 and

 

 

 

 

 

X3

above; enables busy detection and disables

 

 

 

 

 

 

dial tone detection

 

 

 

 

 

 

 

 

 

 

 

 

X4

Enables result codes 0–7 and 10 and above;

 

 

 

 

 

enables busy and dial tone detection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*

 

Yn

Long space disconnect

0

0, 1

yes

 

 

 

 

 

 

 

 

 

Y0

Disables long space disconnect

 

 

 

 

 

 

 

 

 

 

 

 

Y1

Enables long space disconnect

 

 

 

 

 

 

 

 

 

 

 

 

Zn

Recall stored profile

0

0, 1

no

 

 

 

 

 

 

 

 

 

Z0

Resets modem and recalls user profile 0

 

 

 

 

 

 

 

 

 

 

 

 

Z1

Resets modem and recalls user profile 1

 

 

 

 

 

 

 

 

 

 

*

 

&Cn

DCD (data carrier detect) option

1

0, 1

yes

 

 

 

 

 

 

 

 

 

&C0

Ignores remote modem status; DCD always

 

 

 

 

 

on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

&C1

DCD set according to remote modem status

 

 

 

 

 

 

 

 

 

 

 

 

&Dn

DTR (data terminal ready) option

2

0–3

yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

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