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Details the technical specifications and features of the E810-DTU(RS232)-V2.0 module.
Describes the various interfaces and connectors available on the E810-DTU device.
Provides the physical dimensions and measurements of the E810-DTU module.
Explains how to connect the E810-DTU using RS232 and RS485 protocols.
Explains the role and configuration of IP address, subnet mask, and gateway.
Details the function and configuration of DNS server addresses for name resolution.
Explains how the E810-DTU functions as a TCP Server, handling client connections.
Details the E810-DTU's functionality as a TCP Client, initiating connections.
Describes the E810-DTU's operation as a UDP Server for network communication.
Explains the E810-DTU's functionality as a UDP Client for network communication.
Details the short connection feature for efficient server resource management.
Explains registration packets for device identification and server authorization.
Describes heartbeat packets for maintaining active connections and detecting failures.
Explains the overtime restart function for long-term stability and automatic recovery.
Details the ability to handle multiple TCP client connections simultaneously.
Explains how to clear cached data in the serial port buffer.
Describes the link and data transmission indicators for monitoring device status.
Guides users on configuring the module using its web interface.
Explains the Keep-Alive mechanism for detecting and maintaining TCP connections.
Details the device's capability to convert between Modbus RTU and Modbus TCP protocols.
Describes methods for restoring the module to its factory default settings.
Introduces features for connecting to IoT platforms like Ali, Baidu, and ONENET.
Guides users through the process of setting module parameters using the configuration software.
Details the setup procedures for various socket operating modes.
Instructions for configuring the short connection feature.
Instructions for configuring the registration packet mechanisms.
Instructions for setting up heartbeat packets for connection reliability.
Instructions for configuring the overtime restart feature for stability.
Instructions for configuring the clearing cache function.
Provides a summary of available AT commands and their basic usage.
Lists AT command error codes and their corresponding instructions for troubleshooting.
Details the set of AT commands available for module configuration and operation.
Provides detailed explanations and examples for using various AT commands.
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General