Result code type

AT Command Summary Tables

Table 5. Data Mode Command Summary (Continued)

Note

Command

Function

Default

Range

Reported

by &Vn

 

 

 

 

 

 

 

 

 

 

 

*

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;

 

 

 

 

disables 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

 

 

 

 

 

 

 

&D0

In Async mode, modem ignores DTR

 

 

 

 

 

 

 

 

 

 

 

Modem switches from data mode to

 

 

 

 

&D1

command mode when an on-to-off transition

 

 

 

 

 

of DTR occurs

 

 

 

 

 

 

 

 

 

 

 

When DTR switches off, the modem goes

 

 

 

 

&D2

on-hook and disables Auto-answer mode;

 

 

 

 

when DTR switches on, auto-answer is

 

 

 

 

 

 

 

 

 

 

enabled

 

 

 

 

 

 

 

 

 

 

&D3

Turning off DTR re-initializes the modem and

 

 

 

 

resets values except UART registers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

&F

Load factory defaults

none

no

 

 

 

 

 

 

*

&Gn

Guard tone option (1200 bps and 2400 bps

0

0–2

yes

only)

 

 

 

 

 

 

 

 

 

 

 

 

&G0

Disables guard tone

 

 

 

 

 

 

 

 

 

 

&G1

Enables 550 Hz guard tone

 

 

 

 

 

 

 

 

 

 

&G2

Enables 1800 Hz guard tone

 

 

 

 

 

 

 

 

 

 

&Kn

Select serial flow control

3

0, 3, 4

yes

 

 

 

 

 

 

* Value saved in NVRAM.

** Command not preceded by an ‘AT.’

16

536EX Chipset Developer’s Manual

Intel Confidential

Page 16
Image 16
Intel 536EX manual Intel Confidential, AT Command Summary Tables, Data Mode Command Summary Continued, Result code type