San Telequip Private Limited

In many industrial and commercial environments, a fundamental challenge arises from the need to extend data communication beyond the inherent distance limitations of the RS232 standard. Standard RS232 connections are typically restricted to short-range, point-to-point applications, which can hinder the development of distributed control and monitoring systems. The SC04U RJ45 XYYY is a strategic solution engineered specifically to overcome this obstacle, providing a robust and reliable bridge between legacy RS232 equipment and modern, long-haul RS485/RS422 networks.
The SC04U is a high-performance, bi-directional converter that seamlessly translates RS232 signals to the RS485 standard, and vice-versa. Its primary function is to enable long-distance data transmission, extending the communication range up to 1.2 kilometers. Furthermore, it facilitates a "multidrop" architecture, allowing multiple RS485 field devices to be connected on a single network line and communicate with a single host RS232 port. This capability dramatically simplifies wiring and reduces hardware complexity in distributed systems.
At its core, the SC04U serves as an essential interface converter for integrating RS232-based devices—such as controllers, PCs, or terminals—into the more resilient and versatile RS485 or RS422 network protocols. By doing so, it preserves investment in existing equipment while enabling it to participate in larger, more geographically dispersed systems. This functionality is delivered through a unique combination of robust design features and advanced protection mechanisms.

It converts RS232 signals to RS485 and vica versa. SC04 is a bidirectional RS232 to RS485 Converter. These converters carry RS232 signals to long distance. This converter facilitates RS232 devices to be multi dropped on the RS485. Hardened protection features and unique power supply design have been incorporated keeping in mind the high electrically noisy applications like Solar and Power.

The SC11 converter serves as a foundational solution for modernizing industrial and commercial systems, providing a reliable bridge between legacy serial devices and contemporary computer systems equipped with USB interfaces. It addresses the critical need to maintain the functionality of existing serial hardware while leveraging the universal connectivity of USB.
The core function of the San Telequip SC11 is to enable seamless communication by connecting serial devices directly to a standard USB port. This plug-and-play converter eliminates the need for legacy serial ports on host computers, simplifying integration and extending the operational life of valuable serial-based equipment like PLCs, industrial sensors, and data acquisition modules.
Technically, the SC11 is designed for efficiency and ease of use. It features intelligent data format auto-detection and baud rate auto-switching, which allows the device to automatically configure RS422/485 signals without requiring manual switch adjustments. This automation simplifies setup for any baud rate and ensures optimal data flow. The unit is conveniently self-powered via the USB bus, negating the need for an external power adapter, and includes integrated surge protection on each data line for enhanced reliability.