Yixing Futao Metal Structural Unit Co. Ltd. is com manded of Jiangsu Futao Group.
High Mast Lighting,High Mast Lighting Pole,Led High Mast Lighting,High Mast Street Lights,30m High Mast JIANGSU XINJINLEI STEEL INDUSTRY CO.,LTD , https://www.chinasteelpole.com
we provide 30m High mast lighting poles and they are designed to accommodate a number of lowering device manufacturers` equipment. High mast poles can be easily galvanized or painted for even greater versatility.
**1. What is a Serial Port?**
A serial port is one of the most common communication interfaces used in computers, though it's often confused with USB. Unlike USB, which is a more modern and versatile interface, serial ports are based on the EIA-232 standard and have been widely used for connecting peripheral devices, instruments, and modems. Most traditional computers come with two EIA-232 serial ports, which allow for data exchange between devices using a simple, reliable protocol. These ports are also compatible with GPIB (General Purpose Interface Bus) devices, making them versatile for various control and measurement applications.
Serial communication works by transmitting data one bit at a time, rather than in parallel. This method may be slower than parallel communication, but it’s ideal for long-distance transfers. For example, IEEE 488 (a parallel communication standard) limits cable lengths to just a few meters, while serial ports can transmit data over distances of up to 1200 meters (about 4000 feet). This makes them well-suited for industrial environments or remote monitoring systems.
In most cases, engineers use ASCII data for serial communication. The basic setup involves three wires: ground, transmit, and receive. Since serial communication is asynchronous, data can be sent and received independently on different channels. Additional lines may be used for handshaking to manage data flow. Key parameters include baud rate, data bits, stop bits, and parity—each plays a critical role in ensuring accurate communication between devices.
The **baud rate** determines the speed of data transfer, measured in bits per second. Common rates include 300, 1200, 9600, and even higher speeds like 14400 or 38400. However, higher baud rates may reduce the maximum distance due to signal degradation. **Data bits** refer to the number of bits used to represent each character, typically 5, 7, or 8 bits. **Stop bits** signal the end of a data frame, usually 1 or 2 bits, providing timing flexibility. Finally, **parity** is an error-checking mechanism that ensures data integrity by adding a check bit to each byte.
There are four types of parity: even, odd, mark, and space. Parity is not always required, but when used, it helps detect transmission errors. For example, even parity ensures an even number of 1s in a byte, while odd parity ensures an odd number. Mark and space parities don’t actually check data but set specific values for signaling purposes.
**2. EIA-232 Overview**
EIA-232, also known as RS-232, is a standard for serial communication that has been widely used in IBM-compatible computers. It allows devices such as sensors, modems, and instruments to communicate with a computer through a physical serial connection. The EIA-232 standard supports point-to-point connections, meaning it connects only one device to one computer at a time.
One limitation of EIA-232 is its relatively short range—typically up to 15 meters. This makes it unsuitable for large-scale networked systems but still useful for small-scale automation or control setups. Many modern computers no longer include built-in serial ports, so users often need external adapters or expansion cards to connect EIA-232 devices.
Despite its age, EIA-232 remains popular in certain industries due to its simplicity and reliability. However, the Win32 API, commonly used in Windows-based systems, was originally designed for modem communication and does not fully support all EIA-232 features. As a result, some devices may require custom drivers or specialized software to function properly with EIA-232 interfaces.
It is located in the beach of scenic and rich Taihu Yixing with good transport service.
The company is well equipped with advanced manufacturing facilities.
We own a large-sized numerical control hydraulic pressure folding machine with once folding length 16,000mm and the thickness 2-25mm.
We also equipped with a series of numerical control conveyor systems of flattening, cutting, folding and auto-welding, we could manufacture all kinds of steel poles and steel towers.
Our main products: high & medium mast lighting, road lighting, power poles, sight lamps, courtyard lamps, lawn lamps, traffic signal poles, monitor poles, microwave communication poles, etc. Our manufacturing process has been ISO9001 certified and we were honored with the title of the AAA grade certificate of goodwill.
Presently 95% of our products are far exported to Europe, America, Middle East, and Southeast Asia, and have enjoyed great reputation from our customers.
So we know the demand of different countries and different customers.
We are greatly honored to invite you to visit our factory and cheerfully look forward to cooperating with you.
August 11, 2025