Contents

AT+C commands for GSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 AT+CGMI - Request manufacturer ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 AT+CGMM - Request model ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 AT+CGMR - Request revision ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 AT+CGSN - Request product serial number ID . . . . . . . . . . . . . . . . . . . . . . . . . 32 AT+CHUP - Hangup call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 AT+CEER - Extended error report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 AT+CMEE - Report mobile equipment error . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 AT+CREG - Network registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 AT+COPS - Operator selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

AT+COPS? - Display current network operator . . . . . . . . . . . . . . . . . . . . . . 36 AT+COPS=? - Display list of available network operators . . . . . . . . . . . . . . 37 AT+COPS= .., .. - Use this network operator . . . . . . . . . . . . . . . . . . . . . . . . 38 AT+CPIN - Enter PIN and query blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 AT+CPIN2 - Enter PIN2 and query PIN2 blocks . . . . . . . . . . . . . . . . . . . . . . . . 40 AT+CPWD - Change password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 AT+CSQ - Signal quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 AT+CKPD - Keypad control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 AT+CXXSN - Single-numbering parameterization . . . . . . . . . . . . . . . . . . . . . . . 44 AT+CXXMOC - Parameterize for outgoing calls . . . . . . . . . . . . . . . . . . . . . . . . 46 AT+CPBS - Select phonebook memory storage . . . . . . . . . . . . . . . . . . . . . . . . 47 AT+CPBR - Read phonebook entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 AT+CPBW - Write phonebook entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 AT+CBST - Select bearer service type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 AT+CRC - Cellular result code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 AT+CLIP - Calling line identification presentation . . . . . . . . . . . . . . . . . . . . . . . 52 AT+CPAS - Phone activity status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 AT+FCLASS - Select mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 AT+CXXCID - Card identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

AT+C commands for the short message service (SMS) . . . . . . . . . . . . . . . . . . 55 AT+CSMS - Select message service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 AT+CPMS - Preferred message storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 AT+CMGF - Message format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 AT+CSCA - Service center address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 AT+CMGR - Read message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 AT+CMGS - Send message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 AT+CMGW - Write message to memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 AT+CMGD - Delete message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 AT+CNMI - New message indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 AT+CMGL - List messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 AT+CMS ERROR - message service failure result codes . . . . . . . . . . . . . . . . . 60

Fax operation conforming to TR-29.2

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Siemens M1 manual Contents
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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.
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