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Outlines the necessary infrastructure and base unit requirements for M20 operation.
Provides a detailed pinout of the 80-pole SMD connector.
Specifies the voltage requirements and current consumption for the M20.
Details various interfaces connected via the 80-pole SMD connector.
Defines the voltage levels for digital signals used in the M20.
Explains the structure and rules for issuing AT commands.
Provides a reference list of standard AT Hayes commands for controlling the M20.
Details AT commands conforming to GSM standards.
Lists and describes AT commands specific to GSM 07.07.
A comprehensive list of AT commands categorized by functionality.
Details AT commands specific to GSM 07.05 for SMS operations.
A comprehensive list of AT commands for SMS and CB.
Describes proprietary AT commands for extended functionality.
Details the various MMI functions for call handling and configuration.
Details how to read received SMS messages from the SIM.
Guides users through the initial setup and connection process.
Details the physical connections required for M20T operation.
Describes the sequence for powering up and establishing network connection.
Covers setting various parameters via MMI codes.
Details operations related to managing the phonebook.
Covers basic phone call operations.
Explains the procedure for making an outgoing call.
Details SMS operations using the SIM card in text mode.
Explains how to set the SMS service centre number.
Details the procedure for sending SMS messages.
Details how to read SMS messages from memory.
Lists AT commands for querying diagnostic information.
Provides basic troubleshooting steps for M20 malfunctions.
Details the configuration for the serial interface to the M20.
Provides instructions for updating the M20 module software.
Details hardware setup for SW download without M20T.
Describes the current hardware setup for M20T SW download.
Provides the sequence for booting the M20T for SW loading.
Guides on installing the SW version and program.
Details the steps for running the PCload32.exe program.
Describes the sequence to reset the M20 in case of deadlock.
Lists the key features of the M20 Terminal, including integration and services.
Describes the plugs for power, ignition, audio, and serial interface.
Details the pin assignments and usage for the 6-pole Western plug.
Describes the 9-pin SUB-D plug for serial communication.
Provides detailed electrical specifications including voltage and current.
Compares AT commands and their functionality changes from M1 to M20.
Details changes in AT command parameters between M1 and M20.
Compares system parameters using AT&V command for M1 and M20.
Provides detailed technical specifications for the M20 module.
Presents a dimensional drawing of the M20 module.
Provides a front view design drawing of the M20 Terminal.
Lists AT commands related to call control functions.
Lists AT commands for network services and status queries.
Lists AT commands for supplementary network services.
Lists AT commands related to SIM card operations.
Lists AT commands for TA-TE interface control.
Lists AT commands related to device control functions.
Lists AT commands for retrieving device information.
Lists AT commands for SMS and Cell Broadcast (GSM 07.05).
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General