CXR AJ 2885P Bedienungsanleitung PDF herunterladen (Seite 18)

User's Manual V34bis Fax-modem - AJ 2885 P

AJ 2885 P - Pa

e 18

3. Operation

The modem operation is usually controlled through its terminal interface that connects to a

computer or a terminal, and through a set of AT commands.

On the computer (a PC for example), start a communication software such as the Windows

HyperTerminal (HyperTerminal and Windows are trade marks of their respective owners).

The AJ2885 modem adapts automatically to the speed (300 to 115,200 BPS) and format of

characters sent by the computer when it receives the following characters :

AT or at

3.1. Syntax of AT commands

Commands are built as follows :

AT xxxxxxx <RC>

• AT is the command prefix

• xxxxxx is the actual command and parameter

• <RC> complete the command line. This character corresponds to the ‘Carriage

return’ or ‘Enter’ key f the keyboard.

The following commands do not comply with this syntax :

• A/ or a/ to repeat the last command

• +++ to escape from connect data mode to local command mode

• ^Z^Z^Z to escape from connect data mode to remote command mode

Modem sends back an answer when a command is competed :

• OK if the command is successfully completed

• ERROR in case of error in the command line

• CONNECT (or another message) in case of action command to place a call for

example

The AT and V25Bis reference manual provides the detail of the commands.

3.2. First dialogue

You can then try the following commands :

 AT<RC> (<RC> or ENTER )

 Modem answer : OK

 ATI3 <RC>

 Answer: AJ 2885P-FPVF Rev-5.10*

* example of product identification



AT&S <RC>

 Answer : modem sends multiple pages of configuration and status.

This first dialog being completed, the chapter 5 for configuration and the reference manual

provide detailed description of the modem commands.

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