ZyXEL U-336R User Guide - Page 32

Command, Description, AT Command Set/Type, Example

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There are a few basic commands that do not require the "AT" command prefix. These are as follows: Command A/ A> +++ Description Repeats the last issued AT command once. Repeats the last issued AT command once, or redials the last dialed number up to 9 times until a key is pressed or a connection is made. Terminates the current connection attempt, if pressed while modem is handshaking. Escape code sequence. Entered while the modem is in Data Mode. Returns modem to Command Mode. The U-336S/SA supports several groups of AT commands: AT Command Set/Type Basic AT (Hayes compatible) Basic AT$ (on line help) Extended AT& commands Extended AT* commands Fax AT+ commands S-Register command S-Register bit-mapped command (set SRegister bit 1 equal to 1) S-Register inquiry command Example ATB0 AT$ AT&N0 AT*I1 AT+FCLASS=2 ATS0=1 ATS13.1=1 ATS0? Or ATS13.1? You may browse the lists of available commands for each command set by using the on-line help commands: AT$, AT*$, AT&$, and ATS$. Further detail on AT commands will be covered in the chapters that pertain to their use. 18 Basic Modem Operation

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18
Basic Modem Operation
There are a few basic commands that do not require the “AT”
command prefix. These are as follows:
Command
Description
A/
Repeats the last issued AT command once.
A>
Repeats the last issued AT command once, or re-
dials the last dialed number up to 9 times until a
key is pressed or a connection is made.
<any key>
Terminates the current connection attempt, if
pressed while modem is handshaking.
+++
Escape code sequence. Entered while the modem
is in Data Mode. Returns modem to Command
Mode.
The U-336S/SA supports several groups of AT commands:
AT Command Set/Type
Example
Basic AT (Hayes compatible)
ATB0
Basic AT$ (on line help)
AT$
Extended AT& commands
AT&N0
Extended AT* commands
AT*I1
Fax AT+ commands
AT+FCLASS=2
S-Register command
ATS0=1
S-Register bit-mapped command (set S-
Register bit 1 equal to 1)
ATS13.1=1
S-Register inquiry command
ATS0? Or ATS13.1?
You may browse the lists of available commands for each command set
by using the on-line help commands: AT$, AT*$, AT&$, and ATS$.
Further detail on AT commands will be covered in the chapters that
pertain to their use.