beautypg.com

Chapter 11 - at command set summaries, Basic at command set – ZyXEL Communications Omni 288S User Manual

Page 99

background image

Chapter 11 - AT Command Set Summaries

11-1

Chapter 11 - AT Command Set Summaries

Basic AT Command Set

Command

Options

Function & Description

Ref.

A/

Re-execute the last command once

A>

Re-execute the last command once or repeat the last call
up to 9 times. (See also S8)

Terminate current connection attempt when enter in

handshaking state.

+++

Escape sequence code, entered in data state, wait for
modem to return to command state.

All the Following Commands Require a “AT” Prefix
A

Go on-line in answer mode. (See also S39.2, S43.6)

Bn

Handshake option

S28.7

B0 *

Select CCITT V.22 for 1200 bps

B1

Select Bell 212A for 1200 bps communication

Ds

Dial s (numbers and options) that follow (see also S38.0,
S35.4). The options of s are listed as follows:

0-9, #, *

Digits for dialing

P

Pulse dialing

S23.1

T

Ton dialing

S23.1

,

Pause for a time specified in S6. Remaining digits will be
dialed as in-band DTMF.

;

Return to command state after dialing

!

Hook flash

@

Wait for a 5 second silence before proceeding

R

Reverse handshake (go on-line in Answer mode)

S17.5

W

Wait for second dial tone. Remaining digits will be dialed
as in-band DTMF

DL

Repeat last ATD command

DSn

n=0-49

Dial number stored in non-volatile RAM at location 'n';
use “+” to dial two consecutive numbers for bundling or
MPPP calls

S44.3

En

Command mode local echo of keyboard commands

S23.0

E0

Echo off

E1 *

Echo on

Hn

On/off hook control

H0 *

Hang up (on-hook) the modem or ISDN, same as 'ATH'

In

Display inquired information

I0

Display numerical product code, same as 'ATI'

I1

Display product information and ROM checksum

I2

Display modem link status report

Ln

n=0-7
4 *

Speaker volume control. The higher the value, the higher
the volume

S24.5-7

Mn

Speaker control

S21.1-2

M0

Speaker always OFF

M1 *

Speaker ON until call is answered