Manuals / Siemens / Computer Equipment / Network Router

Siemens MC35 Commands specific to MTs supporting Gprs, 1 AT+CGATT Gprs attach and detach, State

Models: MC35

1 238
Download 238 pages 40.72 Kb
Page 149
Image 149

AT Command Set

6 GPRS AT commands in accordance with GSM 07.07

This chapter provides GPRS specific AT commands. For information on using GPRS commands in multiplex mode see chapter 4.28.

6.1Commands specific to MTs supporting GPRS

This clause defines commands that a TE (Terminal Equipment, i.e. an application running on a con- trolling PC) may use to control a GPRS MT (Mobile Termination, the Wireless Module). Refer ro Chapter 6.4 for selected examples of using GPRS AT commands.

6.1.1 AT+CGATT GPRS attach and detach

Test command

AT+CGATT=?

The test command is used for requesting information on the supported GPRS service states.

Response

+CGATT: (list of supported <state>s)

OK/ERROR/+CME ERROR

Parameter

 

<state>

See write command

Read command

The read command returns the current GPRS service state.

AT+CGATT?

 

 

 

Response

 

 

+CGACT: <state>

 

 

OK/ERROR/+CME ERROR

 

Parameter

 

 

<state>

See write command

 

 

 

Write command

AT+CGATT=

[<state>]

Reference

GSM 07.07

The execution command enables the MT get attached to or detached from the GPRS service. After the command has completed, the MT remains in V.25ter command state. If the MT is already in the requested state, the command is ig- nored and the OK response is returned. Any active PDP contexts will be auto- matically deactivated when the attachment state changes to detached.

If the MT is not able to attach for more than 5 minutes, the command returns an error code, though the MT is still trying to attach.

Parameter

 

 

<state>

indicates the state of GPRS attachment

 

0

– detached

 

1

– attached

Response

OK/ERROR/+CME ERROR

MC35_ATC_01_V04.00

Page 149 of 238

02.04.2002

Page 148 Page 150
Page 149
Image 149
Siemens MC35 manual Commands specific to MTs supporting Gprs, 1 AT+CGATT Gprs attach and detach, State, +CGACT state
Page 148 Page 150

MC35 specifications

The Siemens MC35 is a compact and versatile modem designed primarily for mobile communication, data transmission, and machine-to-machine (M2M) applications. Launched in the early 2000s, it quickly became popular due to its blend of performance, reliability, and ease of integration, making it a solid choice for developers and businesses.

One of the key features of the MC35 is its support for GSM and GPRS technologies. This allows it to connect seamlessly to various networks, enabling users to transmit data at speeds that were impressive for its time. The GPRS capability can offer data rates of up to 171.2 kbps, allowing for efficient data transfer even in areas with limited connectivity.

The MC35 is designed to support both SMS and voice functionalities, making it adaptable for a range of applications. This includes remote monitoring, telemetry, and alarm signaling. The ability to send and receive SMS messages is a significant advantage for applications that require immediate alerts and notifications, enhancing its utility in security systems and industrial automation.

Furthermore, the modem is equipped with a range of interfaces, including serial communication (RS232), which makes it compatible with various hardware devices. This facilitates easy integration into existing systems, whether for industrial machinery or consumer electronics. Additionally, it features a robust software development kit (SDK), which enables developers to create custom applications tailored to their specific requirements.

Power consumption is another notable characteristic of the Siemens MC35. It is engineered to be energy-efficient, which is especially important for battery-operated devices or systems that require a prolonged operation without frequent recharging or maintenance.

In terms of physical characteristics, the MC35 is compact and lightweight, allowing it to fit into various enclosure designs without occupying much space. Its durability ensures it can perform reliably in different environments, making it suitable for outdoor and industrial applications.

To summarize, the Siemens MC35 stands out as a reliable modem with a rich feature set that includes GSM and GPRS support, SMS and voice capabilities, easy integration through various interface options, and energy-efficient operation. Its adaptability makes it a valuable tool for a wide array of communication and data transmission tasks, solidifying its place in the evolution of mobile communications technology.