Velocity Edge GX440 Guide de l'utilisateur télécharger pdf (Page 366)

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ALEOS 4.3.4 Software Configuration User Guide

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Standard (Hayes) commands

The following table contains Hayes commands supported on AirLink devices.

Table D-11: Standard (Hayes) AT Commands

Command Description

+++ AT escape sequence (not preceded by AT)

If a serial terminal is in a data mode, typing this sequence on that serial terminal causes the

terminal to re-enter AT command mode. There must be an idle time on the serial port before

and after the sequence. The idle time is set by the value in S50.

After you type the AT escape sequence, the terminal remains in AT command mode for

15 seconds before it automatically leaves AT command mode and returns to the previous

data mode.

Note: The “+” is ASCII character 0x2B.

Note: The detection of this sequence is disabled if DAE=1.

&C Query or set Data Carrier Detect (DCD) mode.

DCD is a hardware signal that notifies the software that the device is communicating with

another device.

AT&C? to query

AT&Cn to set

• n=0 — Always assert DCD

• n=1 — Assert DCD enable when network is ready (default)

If you have a GX Series device with an I/O X-Card installed, you can query or set the main

port on the device or the port on the X-Card by specifying the port number. If no port is

specified, the query or command affects the port your are telnetting to.

AT&C?,[p] to query

AT&Cn,[p] to set

• p=0—Main serial port on the device

• p=1—Serial port on the I/O X-Card

Note: Do not use an equal sign (=) when issuing the command.

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Velocity Edge GX440 Guide de l'utilisateur Page 366

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