Intel confidential – Intel 537EX User Manual

Page 17

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536EX Chipset Developer’s Manual

17

Intel Confidential

AT Command Summary Tables

&K0

Disables flow control

&K3

Bidirectional hardware flow control

&K4

XON/XOFF software flow control

*

&Pn

Dial pulse ratio

0

0, 1

yes

&P0

Sets 10 pps pulse dial with 39%/61% make-
break

&P1

Sets 10 pps pulse dial with 33%/67% make-
break

*

&Sn

DSR (data set ready) option

0

0, 1

yes

&S0

DSR is always active

&S1

DSR active only during handshaking and
when carrier is lost

&Tn

Self test commands

0

0–1, 8

no

&T0

Terminates test in progress

&T1

Initiates local analog loopback

*

&Un

Disable Trellis coding

0

0, 1

no

&U0

Enables Trellis coding with QAM as fallback

&U1

QAM modulation only

&Vn

View active and stored profiles

0

0, 1, 3

no

&V0

View active profile and stored profile 0

&V1

View active profile and stored profile 1

&Wn

Stored active profile

0

0, 1

no

&W0

Store in user profile 0

&W1

Store in user profile 1

*

&Yn

Select stored profile on power up

0

0, 1

yes

&Y0

Recall stored profile 0 on power-up

&Y1

Recall stored profile 1 on power-up

&Zn=x

Store telephone number (up to 30 digits) to
location ‘n’ (0–3)

none

n = 0–3
x = 0–9 A B
C D # * T P
R W @ , ! ;

no

*

%En

Auto-retrain control

1

0, 1

yes

%E0

Disables auto-retrain

%E1

Enables auto-retrain

*

%Gn

Rate renegotiation

1

0, 1

yes

%G0

Disabled

%G1

Enabled

Table 5. Data Mode Command Summary (Continued)

Note

Command

Function

Default

Range

Reported

by &Vn

*

Value saved in NVRAM.

**

Command not preceded by an ‘AT.’

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