Netgear 771S User Manual download pdf (Page 7)

Rev. 1 Sep.13 Proprietary and Confidential 7

1: About This Guide

Introduction

This document describes supported standard and proprietary AT

commands available for NETGEAR AirCard™ devices, and provides

details where commands vary from the standards. These commands

are intended for use by OEMs, and are supplemental to the standard

AT commands for GSM devices defined by the 3GPP (3rd Generation

Partnership Project) in TS 27.007 AT command set for User

Equipment (UE) and TS 27.005 Use of Data Terminal Equipment—

Data Circuit terminating Equipment (DTE-DCE) interface for Short

Message Service (SMS) and Cell Broadcast Service (BSE).

Note: When designing applications that use these AT commands, use

NETGEAR Watcher

or other NETGEAR applications as functionality

templates to ensure proper use of command groups. For questions or

concerns relating to command implementation, please contact your

NETGEAR account representative.

Command access

Most commands in this reference are password-protected. To use

these commands, you must enter the correct password using

AT!ENTERCND on page 14. Once the password is entered, all

commands are available and remain available until the modem is

reset or powered off and on.

Command timing

Interval timing

Some commands require time to process before additional

commands are entered. For example, the modem returns OK when it

receives

AT!DAFTMACT. If AT!DASBAND is received too soon after

this, the modem returns an error.

When building automated test scripts, ensure that sufficient delays

are embedded, where necessary, to avoid these errors.

Escape sequence guard time

The AT escape sequence “+++” requires a guard time of 1.0 seconds

before and after it is used.

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Netgear 771S User Manual Page 7