Overview of AT commands

AT&Zn=x

Store telephone number "x" in memory "n"

AT%Dn

Automatic dialing with DTR

AT+

Fax commands

GSM AT commands (GSM 07.07)

AT+CGMI

Display manufacturer ID

AT+CGMM

Display model ID

AT+CGMR

Display version of GSM module

AT+CGSN

Display serial number (IMEI)

AT+CHUP

Terminate all calls

AT+CEER

Display reason last call was disconnected

AT+CMEE

Extended error messages to GSM 07.07

AT+CREG

Display registration status

AT+COPS

Commands relating to network operator selection

AT+CPIN

Enter PIN and query blocks

AT+CPIN2

Enter PIN2 and query PIN2 blocks

AT+CPWD

Change PIN

AT+CSQ

Display signal quality information

AT+CKPD

Key simulation

AT+CXXSN

Single-numbering parameterization

AT+CXXMOC

Parameterize for outgoing calls

AT+CPBS

Select phonebook

AT+CPBR

Read phonebook entry

AT+CPBW

Write phonebook entry

AT+CBST

Select bearer service type

AT+CRC

Cellular result code

AT+CLIP

Calling line identification presentation

AT+CPAS

Phone activity status

AT+FCLASS

Select mode

AT+CXXCID

Card identification

SMS AT commands (GSM 07.05)

AT+CSMS

Select message service

AT+CPMS

Preferred message storage

AT+CMGF

Message format

AT+CSCA

Service center address

AT+CMGR

Read message

AT+CMGS

Send message

AT+CMGW

Write message to memory

AT+CMGD

Delete message

AT+CNMI

New message indications

AT+CMGL

List messages

Please note: The GSM module also recognizes some AT-standard commands that it does not execute, but it ignores these commands and returns either OK or ERROR.

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Siemens M1 manual Overview of AT commands, GSM AT commands GSM, SMS AT commands GSM

M1 specifications

The Siemens M1 is a prominent urban transit solution designed for efficient and sustainable public transportation systems. This innovative metro train has become a staple in various metropolitan areas, known for its balance of performance, safety, and passenger comfort.

One of the key features of the Siemens M1 is its modular design, which allows for flexibility in configuration depending on specific transit needs. The train typically consists of multiple carriages that can be adjusted for length and capacity, accommodating different passenger volumes while minimizing operational costs. This adaptability makes the M1 ideal for growing urban environments where ridership numbers can fluctuate.

The Siemens M1 is built with advanced technologies that enhance its operational efficiency. It utilizes a lightweight construction, primarily through the use of aluminum, which reduces energy consumption while still maintaining structural integrity and safety standards. The train is also equipped with cutting-edge traction systems that ensure smooth acceleration and fast braking, resulting in a comfortable ride for passengers.

Safety is a paramount concern in transit systems, and the M1 incorporates various safety technologies. It features advanced signaling systems that enhance communication between trains and trackside equipment. Moreover, the train is designed with anti-collision measures and real-time monitoring systems that can detect faults before they lead to service disruptions.

Passenger comfort is another critical aspect of the Siemens M1 design. The interiors are spacious and feature modern seating arrangements, allowing for easy movement within the train. Large windows provide natural light and views of the outside environment, contributing to a more pleasant travel experience. The train also offers features like climate control, information displays, and accessibility options for passengers with reduced mobility.

Environmental sustainability is an integral part of the Siemens M1’s design. It is tailored to reduce carbon emissions, featuring energy-efficient systems that lower the overall ecological footprint. Additionally, the train can be integrated with renewable energy sources, further promoting green public transport initiatives.

Overall, the Siemens M1 stands out as a versatile and efficient urban transit option, combining modern technology and design principles that cater to the needs of both operators and passengers. With its focus on safety, comfort, and sustainability, the Siemens M1 continues to play a vital role in shaping the future of urban mobility.