Bridge of Industrial Internet of Things, complete guide to purchase Serial to Ethernet Adapter
With the rapid development of IIoT, the serial device server, as a key device connecting traditional serial devices and modern network systems, is becoming increasingly important. The Serial to Ethernet Adapter not only allows old equipment to seamlessly integrate into modern digital factories, but also significantly improves the operational efficiency and management level of the factory. Therefore, it is crucial to choose a suitable Serial to Ethernet Adapter. Here is a comprehensive guide to help you make a wise choice.

1. Clarify the demand

First, you need to clarify your needs, including device type, network environment, data transmission requirements, and so on. These factors will directly determine the type of Serial to Ethernet Adapter you need to purchase.
Device type: Knowing whether your device is an RS232, RS485, or RS422 interface will determine the type of Serial to Ethernet Adapter interface you need to purchase.
Network environment: Determine whether your network environment is 10/100Mbps or Gigabit Ethernet, and whether you need to support the cross-connect automatic switching AUTO-MDIX function.
Data transmission requirements: Consider parameters such as baud rate and check bits for data transmission to ensure that the Serial to Ethernet Adapter can support your specific needs.

2. Select brand and model

There are many brands of Serial to Ethernet Adapter on the market, such as Moxa, D-Link, Cisco, and brands that focus on industrial IoT, such as Mawei and Someone IoT. When selecting, you can filter based on the following factors:
Brand reputation: Choose well-known brands, which usually have better product quality and after-sales service.
Model comparison: Compare different models of Serial to Ethernet Adapter according to the requirements, focusing on their performance parameters, number of interfaces, operating temperature range, etc.
Price factor: Under the premise of ensuring quality, consider the price factor and choose products with high cost performance.

3. Pay attention to performance parameters

When purchasing a Serial to Ethernet Adapter, the following performance parameters are crucial:
Network port support: We prefer products that support 10/100Mbps adaptive network ports and support cross-connection automatic switching AUTO-MDIX to adapt to more complex network environments.
Operating temperature range: Select industrial or commercial Serial to Ethernet Adapter according to the application environment. Industrial-grade Serial to Ethernet Adapters typically have a wider operating temperature range of -40 to 85°C, suitable for harsh environments.
Serial port performance: Pay attention to parameters such as serial port baud rate and check bits to ensure that your special needs are supported. At the same time, the processing speed and stability of the Serial to Ethernet Adapter are considered.

4. Consider safety and stability

In industrial IoT applications, security and stability are of utmost importance. Therefore, when purchasing a Serial to Ethernet Adapter, it is necessary to pay attention to the following aspects:
Data encryption: Ensure that the Serial to Ethernet Adapter supports data encryption and authentication mechanisms to protect the security and integrity of data transmission.
Protective measures: Select a Serial to Ethernet Adapter with high-level ESD, Surge, and EFT protection to enhance its anti-interference capability and stability.
Redundancy design: consider whether there is a need for built-in hardware watchdog design and other redundancy measures to improve the reliability and stability of the system.

5. Consider after-sales service

After purchasing a Serial to Ethernet Adapter, after-sales service is equally important. Therefore, when making a purchase, you should pay attention to the following aspects:
Product warranty: understand the warranty period and scope of the product.
Technical support: Select brands and dealers that provide technical support so that problems encountered during use can be resolved in a timely manner.
Installation and configuration: Install and configure according to the product manual. If you are not familiar with the relevant knowledge, you can seek help from professionals.

6. Recommended Products

The following are some Serial to Ethernet Adapter products that have received positive feedback in the market for your reference:
USR-N520: 2 serial Port Secure Serial Device Server which can connect RS-232/485 serial devices to the TCP/IP network. It supports bi-directional communication.For example, an N510 with a single serial port or an N520 with a four serial port.

USR-TCP232-410: uses 32-bit ARM from the American company TI, with a high clock speed of 120MHz, high stability, and support for industrial temperature ranges.

USR-TCP232-304: 1-port RS485 to Ethernet converters USR-TCP232-304 can transmit data transparently between TCP/IP and RS485. RS485 to Ethernet converters USR-TCP232-304 are widespread required in industrial automation. Simple configuration and easy to use.For example, USR-TCP232-302 of the RS232 interface

USR-DR134: New ultra-small size rail-type serial device server launched by PUSR. It realizes the two-way transparent data transmission between RS485/RS232 and Ethernet, integrates 1 serial port and 1 Ethernet port with a rate of 10/100Mbps.

When purchasing a Serial to Ethernet Adapter, it is necessary to clarify the requirements, select the brand and model, pay attention to performance parameters, consider security and stability, and consider after-sales service. We hope this comprehensive guide can help you make informed choices and provide a solid bridge for your industrial IoT applications.