This spare part can convert digital signals into analog signals for transmission, and then restore them to digital signals. Using twisted pair cables as transmission media, it has anti-interference ability. Supports RS485 standard and is suitable for parallel operation of multiple devices. It can convert RS-232 serial port signals into RS-485 serial port signals, achieve long-distance communication, and is widely used in industrial automation, data acquisition, and other fields.

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　　TB521-ETH Other names:

　　Modems TB521-ETH

　　TB521-ETH SDN modem

　　Controller module TB521-ETH

　　TB521-ETH is a type of RS485 twisted pair modem commonly used for data transmission in fields such as industrial automation and building intelligence.

　　Main features

　　RS485 interface: Supports RS485 standard and is suitable for parallel operation of multiple devices.

　　Twisted pair transmission: Using twisted pair as the transmission medium, it has anti-interference ability.

　　Modulation and demodulation function: It can convert digital signals into analog signals for transmission, and then restore them to digital signals.

　　Application scenarios

　　This type of modem is commonly used in the following application scenarios:

　　Industrial control system

　　Building intelligent system

　　Large computer room monitoring system

　　Smart Home System

　　Precautions for use

　　When using such devices, the following points should be noted:

　　Choose the appropriate twisted pair cable, usually using shielded twisted pair cable to improve signal quality.

　　Pay attention to the power connection to ensure a stable power supply.

　　Set the appropriate baud rate and stop bit according to actual needs.

　　In serial communication, it is important to correctly configure terminal modes such as DTR, RTS, etc.

　　Best practices

　　Choose the appropriate transmission distance to avoid signal attenuation.

　　Regularly inspect and maintain equipment to ensure normal operation.

　　If you encounter unstable signals or packet loss issues, you can consider increasing the driving capability or changing the twisted pair cable type.

　　When designing the system, consider possible future extensions and choose flexible communication solutions.

　　In short, this RS485 twisted pair modem is a commonly used communication device in the fields of industrial automation and intelligence. By proper use and configuration, it can effectively achieve data transmission between multiple devices. It can convert RS-232 serial port signals into RS-485 serial port signals, achieve long-distance communication, and is widely used in industrial automation, data acquisition, and other fields.

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　　Please refer to the customer service quotation for details, as the product is new and the price is not genuine,

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