Data Mode AT COMMANDS

Table 18. Data Mode Command Descriptions (Continued)

 

 

 

 

 

 

 

Command

Default

 

 

Description

 

 

 

 

 

 

Dial Pulse Ratio: This command determines the make/break (that is, off-hook/on-hook) ratio during

 

 

pulse dialing.

 

 

 

&Pn

0

n = 0*

Make = 39%; Break = 61% at 10 pulses per second—for use in the United States.

 

 

n = 1

Make = 33%; Break = 67% at 10 pulses per second—for use in the United Kingdom and

 

 

 

Hong Kong.

 

 

 

 

 

 

DSR (Data Set Ready) Option: This command controls how the modem treats the DSR signal.

&Sn

0

n = 0*

DSR circuit always on

 

n = 1

DSR circuit is on during handshaking, off in test or idle modes. DSR is off when the carrier

 

 

 

 

 

is lost.

 

 

 

 

 

 

 

Data Mode Self-Test Command: This command is used in data mode (except x2 and V.90 connections)

 

 

to initiate and terminate loopback tests for testing modem-to-modem and DTE-to-modem data

&Tn

0

communication integrity.

 

n = 0*

Terminates test in progress

 

 

 

 

 

 

n = 1

Local analog loopback

 

 

 

n = 8

Local analog loopback with self-test

 

 

 

 

 

 

Disable Trellis Coding: This command selects whether the modem transmits or receives modulated

&Un

0

9600 bps carrier with QAM or Trellis encoding for V.32.

 

n = 0*

Enabled (Trellis modulation with QAM modulation as a fallback)

 

 

 

 

n = 1

Disabled (QAM modulation only)

 

 

 

 

 

 

View Active Configuration and Stored Profiles: This command causes the modem to display the

 

 

command and S-register information contained in the active user profile and in one of two stored

 

 

profiles.The command &V0 displays the active profile and the stored profile 0; &V1 displays the active

 

 

profile and the stored profile 1. The information in the active profile is stored into the user profiles with the

 

 

&Wn command. &W0 stores the active profile into the stored profile 0; &W1, the stored profile 1.

 

 

n = 0*

Stored profile 0

 

 

 

n = 1

Stored profile 1

 

 

 

AT&V0

 

 

 

 

 

ACTIVE PROFILE:

 

 

 

 

E1 L2 M1 T Q0 V1 W0 X4 Y0 &C1 &D2 &G0 &J0 &K3 &P0 &S0 &Y0

 

 

%A013 %C1 %E1 \A3 \C0 \G0 \J0 \T000 \X0 -J1

 

&Vn

0

S00:000 S01:000

S02:043 S03:013 S04:010 S05:008

S06:002 S07:060 S08:002

S09:006 S10:014

S11:070 S12:050 S18:000 S25:005

S27:064 S32:032 S33:010

 

 

 

 

+ES=003,000,002

+DS=003,000

 

 

 

STORED PROFILE 0:

 

 

 

E1 L2 M1 T Q0 V1 W0 X4 Y0 &C1 &D2 &G0 &J0 &K3 &P0 &S0

 

 

%A013 %C1 %E1 \A3 \C0 \G0 \J0 \T000 \X0 -J1

 

 

 

S00:000 S02:043

S06:002 S07:060 S08:002 S09:006

S10:014 S11:070 S12:050

 

 

S14:138 S18:000

S21:048 S22:118 S23:048 S25:005

S27:064 S30:000 S32:032

 

 

S33:010 +ES=003,000,002 +DS=003,000

 

 

 

TELEPHONE NUMBERS:

 

 

 

&Z0 =

 

&Z1 =

 

 

 

&Z2 =

 

&Z3 =

 

 

 

 

 

NOTE: An asterisk (*) denotes the factory-default setting.

 

 

 

 

 

 

 

536EX Chipset Developer’s Manual

45

Intel Confidential

Page 44 Page 46
Page 45
Image 45
Intel 537EX manual AT&V0, Active Profile, Stored Profile, Telephone Numbers
Page 44 Page 46

537EX specifications

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