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Provides RS232/RS485/RS422 interface to Ethernet/Wi-Fi connectivity for web-enabling devices.
Lists key features including MIPS MCU, multiple network protocols, Wi-Fi modes, and certifications.
Details technical specifications for system, Wi-Fi, serial ports, and software interfaces.
Outlines various use cases for connecting serial devices to Ethernet networks via TCP/IP.
Explains the function and connection of each pin and connector on the HF2211 device interface.
Describes the RS232 serial port, its pin configuration, and connection requirements.
Details the RS485 serial interface, including wiring, maximum length, and termination resistor needs.
Explains the RS422 serial interface, focusing on its T+/T-/R+/R- connections.
Covers the 10/100M Ethernet RJ45 port, its auto-negotiation, and MDI/MDIX support.
Provides the physical dimensions of the HF2211 device.
Illustrates the method for mounting the device using a rail system.
Details how to order different configuration versions of the HF2211 based on requirements.
Lists the items included in the HF2211 product package.
Explains the use of IP addresses for network communications and the role of TCP/UDP.
Covers the HF2211's capabilities as a wireless STA and AP, supporting flexible networking.
Describes how the 100M Ethernet interface connects Wi-Fi, serial port, and Ethernet port.
Details the different operating modes the HF2211 device can utilize for serial-to-network communication.
Explains how the device performs encryption on UART data for enhanced security.
Describes the mechanism to check TCP connection status and reconnect if abnormal.
Explains the timeout function to break TCP connections when no data is received.
Details how to set up routing for data received from socket channels to other destinations.
Covers UART frame schemes like Free-Frame and Auto-Frame for data transmission.
Explains support for ModbusRTU to ModbusTCP and vice versa for Modbus device connectivity.
Introduces the Command Line Interface (CLI) for module configuration and parameter setting.
Details UART flow control (hardware/software) and RS485 interface functionality.
Describes the process of upgrading the device's firmware via web interface or OTA.
Explains how to enable or disable the web page function for device configuration.
Covers the Auto-IP feature for automatic IP address assignment when connecting via Ethernet.
Details the Network Time Protocol (NTP) function for time synchronization.
Describes the heartbeat mechanism to maintain TCP client connection status.
Explains using CLI commands for quick parameter configuration of UART settings.
Covers miscellaneous functions, including parameter export and loading.
Explains how to switch between transparent transmission and CLI command modes.
Provides an overview of CLI command structure, directory navigation, and parameter querying.
Lists software tools like IOTService and network test utilities for device configuration and testing.
Directs users to the product application website for quick start guidance.
Describes scenarios for using Telnet for remote device management and equipment configuration.
Lists key Telnet features including echo mode, single client support, and port number.
Guides on configuring Telnet via webpage and connecting using tools like SecureCRT.
General