EV6240 datasheet(19/47 Pages) CMLMICRO

19 / 47 page

Evaluation Kit for CMX624/CMX644A

EV6240

UM6240/3

The send text file facility can also be used for AT Command Scripts.

Note: some terminal emulators have been found not to support full hardware flow control when

transferring text files.

This could result in data loss when using this facility.

If this problem is

experienced users should try using a different terminal emulator

The following AT commands can be entered on a PC running Windows terminal emulator software,

such as the ‘Hyper Terminal’ program supplied with Windows ’95 or NT systems.

Basic AT Commands

Command

Description

Answer Command

The modem will go off-hook, transmit the answer tone, and wait for a carrier

from the remote modem.

Syntax: ATA<CR>

Re-Execute Previous Command Line

Re-executes the last issued command line. This command does not require

the AT prefix or a carriage return.

Syntax: A/

Select Communications Standard

Selects the communications standard specified by the parameter n.

Syntax: ATBn<CR>

Modifier Usage

n=0 Selects ITU-T Standard (default).

n=1 Selects Bell Standard.

Dial Command

This command directs the modem to go off-hook, dial according to the string

entered and attempt to establish a connection. Number of DTMF digits

entered cannot exceed 16.

Syntax: ATDn1n2n3…….n16<CR>

Modifier Usage

n1..16=0-9, *, #, A-D DTMF digits.

n1=L Re-dial last number.

Echo Command Characters

Syntax: ATEn<CR>

Modifier Usage

n=0 Disables the echoing of commands to the screen

n=1 Enables echoing of commands to the screen (default).

EV6240 Datasheet(PDF) 19 Page - CML Microcircuits