At Command Set Summaries; Basic At Command Set - ZyXEL Communications Comet 336P User Manual

4

AT Command Set Summaries

Basic AT Command Set

Command Options Function & Description
A/
<any key>
+++
All the Following Commands Require a "AT" Prefix
A
Bn
B0 *
B1
Ds
0-9, #, *
P
T
,
;
!
@
R
W
DL
n=0-3
DSn
En
E0
E1 *
Hn
H0 *
H1
In
I0
I1
Mn
M0
M1 *
M2
M3
O0
O1
Qn
Q0 *
Q1
Q2
Sr=n
Re-execute the last command once
Terminate current connection attempt when enter in handshaking state.
Escape sequence code, entered in data state, wait for modem to return to
command state.
Go on-line in answer mode. (See also S39.2, S43.6)
Handshake option
Select CCITT V.22 for 1200 bps
Select Bell 212A for 1200 bps communication
Dial s (numbers and options) that follow (see also S38.0, S35.4). The
options of s are listed as follows:
Digits for dialing
Pulse dialing
Ton dialing
Pause for a time specified in S8. 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
Reverse handshake (go on-line in Answer mode)
Wait for second dial tone. Remaining digits will be dialed as in-band DTMF
Repeat last ATD command
Dial number stored in non-volatile RAM at location 'n'
Command mode local echo of keyboard commands
Echo off
Echo on
On/off hook control
Hang up (on-hook) the modem or ISDN, same as 'ATH'
Off hook the modem
Display inquired information
Display numerical product code, same as 'ATI'
Display product information and ROM checksum
Speaker control
Speaker always OFF
Speaker OFF during dialing
Speaker always ON
Speaker ON until CD is detected
Return to on-line state
Return to on-line state with forced retrain
Result code displayed
Modem returns result code
Modem does not return result code
Modem returns result code but quiet after answering on a RING.
Set S-register 'r' to value 'n'. 'n' must be a decimal number between 0 and 255
AT Command Set Summaries 17