- **Multi-Port Serial Conversion:** Converts one USB 2.0 interface into four independent serial communication ports supporting RS232, RS422, or RS485 standards. - **3KV Isolation:** Each serial port is galvanically isolated up to 3KV DC, protecting connected devices from ground loops and electrical surges. - **Surge and ESD Protection:** RS422/485 lines are protected against surges, short circuits, and ±15KV ESD; RS232 lines are protected against ±15KV ESD. - **Automatic Interface Selection:** The converter automatically detects and switches between RS232, RS422, and RS485 modes based on wiring configuration. - **Independent Port Configuration:** Each of the four ports can be configured independently for baud rate, data format, and communication parameters. - **Wide Baud Rate Range:** Supports standard and custom baud rates from 75 bps up to 921.6 Kbps. - **Auto Direction Flow Control:** Built-in automatic data direction control for RS485 communication ensures seamless half-duplex operation. - **FIFO Buffers:** On-chip 512-byte FIFO for upstream and downstream data transfer per port, plus 256-byte internal buffering for smooth data flow. - **Dual Power Input Options:** Operates from USB bus power or external DC power supply with over-voltage protection. - **LED Indicators:** Dedicated LEDs for power and TX/RX activity on each port (COM A–D) for easy status monitoring. - **Mounting Flexibility:** Supports both DIN-rail and panel mounting for industrial installations. - **Cross-Platform Driver Support:** Compatible with Windows (98/ME/2000/XP/Vista/7/8.1/CE5.0–7.0), Linux, Mac OS, and Android operating systems. - **Full PLC Compatibility:** Tested with major PLC brands such as Mitsubishi Q, FX, and FATEK series. - **Industrial-Grade Design:** Rugged enclosure and wide operating temperature range (-10°C to 60°C) suitable for factory automation and field applications.

Manufacturer: Trycom

Category: USB RS232 Converter

- **Dual Serial Interface:** Provides one RS-232 (DB-9 male) and one RS-422/485 (4-pin screw terminal) port. - **USB 2.0 Connectivity:** Fully compliant with USB 2.0 specifications; backward compatible with USB 1.0 and 1.1. - **High Electrical Isolation:** 3000 VDC optical isolation on RS-422/485 lines for protection against ground loops and voltage spikes. - **Surge and ESD Protection:** ±15 kV ESD protection on both RS-232 and RS-422/485 data lines; surge and short-circuit protection included. - **Auto Configuration:** Automatic detection and configuration of RS-422/485 mode, baud rate, and data flow direction. - **Flexible Baud Rate:** Supports baud rates from 75 bps up to 921.6 Kbps (depending on configuration and OS driver). - **Full PLC Compatibility:** Supports major PLC brands such as Mitsubishi Q/FX series and FATEK controllers. - **FIFO Buffers:** On-chip 512-byte FIFO for upstream and downstream data transfers, ensuring stable high-speed communication. - **Power Supply:** Powered directly from the USB port (130 mA typical current draw); no external power supply required. - **Mounting Options:** Supports DIN-rail and panel mounting for industrial environments. - **LED Indicators:** Power and communication LEDs (TXA/RXA/TXB/RXB) for real-time status monitoring. - **Cross-Platform Driver Support:** Compatible with Windows (98/ME/2000/XP/Vista/7/8/8.1/CE5.0–7.0), Linux, Mac OS, and Android. - **Compact and Durable Design:** Industrial-grade enclosure with robust connectors and screw terminals for secure wiring.

Manufacturer: Trycom

Category: USB RS232 Converter

- **USB 2.0 Device Controller:** Fully compliant with USB 2.0 specifications, backward compatible with USB 1.0 and 1.1. - **Four Independent RS232 Ports:** Provides four isolated serial channels, each configurable with unique baud rate and data format. - **High Electrical Isolation:** 3000 VDC optical isolation between USB and RS232 interfaces to protect connected equipment from ground loops and surges. - **Enhanced ESD Protection:** ±15 kV electrostatic discharge protection on all RS232 lines. - **Custom Baud Rate Configuration:** Supports user-defined baud rates from 300 bps to 256 kbps. - **FIFO Buffering:** 512-byte FIFO buffer for both upstream and downstream data transfer per port, ensuring smooth data flow and reduced latency. - **LED Indicators:** Individual LEDs for power and transmit/receive activity on each port (TXA/B/C/D, RXA/B/C/D). - **Compact Industrial Design:** Rugged metal enclosure with optional DIN-rail or panel mounting for flexible installation. - **Plug-and-Play Operation:** Automatically recognized by the operating system upon connection; no external power supply required. - **Cross-Platform Driver Support:** Compatible with Windows (98/ME/2000/XP/Vista/7/8.1/CE5.0–7.0), Linux, Mac OS, and Android. - **Low Power Consumption:** Operates directly from USB power, consuming only 70 mA. - **Wide Environmental Tolerance:** Designed for industrial temperature and humidity ranges.

Manufacturer: Trycom

Category: USB RS232 Converter

- **Multi-Port Serial Conversion:** Converts one USB 2.0 interface into four independent serial ports supporting RS232, RS422, or RS485 standards. - **High-Speed Data Transmission:** Supports baud rates from **75 bps up to 921.6 Kbps**, with automatic baud rate detection and switching. - **Auto Configuration:** Automatically detects and configures data format, baud rate, and RS485 data flow direction. - **Full PLC Compatibility:** Fully supports industrial PLCs such as **Mitsubishi Q, FX**, and **FATEK** series. - **Surge and ESD Protection:** ±15KV ESD protection on RS232 lines and surge/short-circuit protection on RS422/485 lines. - **Independent Port Configuration:** Each port can be individually configured for baud rate, data bits, parity, and stop bits. - **FIFO Buffers:** On-chip **512-byte FIFO** for upstream/downstream data transfers, plus **256-byte buffer** for each port to ensure stable communication. - **Power Supply:** Draws power directly from the USB port (no external power supply required). - **Mounting Options:** Supports **DIN-rail** and **panel mounting** for flexible industrial installation. - **LED Indicators:** Dedicated LEDs for power and TX/RX activity on each communication channel. - **Cross-Platform Driver Support:** Compatible with **Windows (98/ME/2000/XP/Vista/7/8/8.1/CE5.0–7.0)**, **Linux**, **Mac OS**, and **Android**. - **Compact and Rugged Design:** Industrial-grade enclosure with robust connectors and screw terminals for secure wiring.

Manufacturer: Trycom

Category: USB RS232 Converter

- **Universal Serial Interface Support:** Configurable for RS232, RS422, or RS485 on the input side, and isolated RS422 or RS485 on the output side. - **Ground Isolation:** Provides galvanic isolation between the USB/Serial1 side and the Serial2 side, preventing ground loops and ensuring signal integrity in electrically noisy environments. - **Dual-Port Monitoring:** Creates two virtual COM ports on the host PC via USB, enabling simultaneous monitoring of transmit and receive data streams. - **Flexible Configuration:** DIP switch selectable interface modes for both serial ports, allowing operation as converter, repeater, or bridge. - **Auto Data Direction Control (ADDC):** Automatically manages data flow direction in RS485 mode, eliminating the need for manual control signals. - **USB 2.0 Connectivity:** High-speed USB interface with integrated MCS7840 MOS chip and 512-byte FIFO per serial port for efficient data buffering. - **LED Indicators:** Independent LED indicators for power and per-port TX/RX activity, providing real-time operational feedback. - **Compact Metal Enclosure:** Durable metal housing ensures electromagnetic shielding and mechanical protection. - **Bus-Powered or Self-Powered Operation:** Operates directly from USB bus power (5V, 300mA) or via external 5V adapter (UP110/UP220). - **Software Integration:** Compatible with RAYON’s RAYREAL utility software for real-time data visualization, logging, and analysis. - **Versatile Applications:** Can function as an interface converter, repeater, bridge, or isolator for RS232/RS422/RS485 systems.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Universal Serial Interface Support:** Supports RS232, RS422, and RS485 input configurations selectable via DIP switch. - **Ground‑Isolated RS232 Output:** Provides galvanic isolation between input and output ports to eliminate ground loops and protect connected equipment. - **Dual Monitored Ports:** Two serial ports (Serial1 and Serial2) can be monitored simultaneously through a single USB connection. - **USB 2.0 Interface:** High‑speed USB 2.0 device controller ensures reliable data transfer between the converter and host PC. - **Integrated Monitoring Capability:** Enables real‑time observation of bidirectional serial communication for debugging, logging, and analysis. - **Auto Data Direction Control (ADDC):** Automatically manages data flow direction in RS485 mode, simplifying half‑duplex communication setup. - **LED Indicators:** Individual TX/RX activity LEDs for each serial channel plus a power indicator for quick status verification. - **Flexible Power Options:** Operates via USB bus power (default) or optional 5 V external adapter (UP110/UP220). - **Compact Metal Enclosure:** Ruggedized metal housing ensures electromagnetic shielding and mechanical durability. - **Software Integration:** Compatible with RAYON’s “RAYREAL” monitoring software for simultaneous dual‑port data visualization and analysis. - **Versatile Functionality:** Can function as an interface converter, repeater, or isolator depending on configuration.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Four Independent Serial Ports:** Provides four isolated RS422/RS485 ports (Ports A, B, C, D) in a single enclosure, enabling simultaneous multi-channel communication. - **Full Electrical Isolation:** Each port is galvanically isolated from the others and from the USB bus, ensuring signal integrity and protection against ground loops and electrical noise. - **Flexible Interface Configuration:** Each port can be configured as RS422 or RS485 via DIP switch selection, allowing flexible deployment in various serial communication environments. - **Auto Data Direction Control (RS485 Mode):** Automatically manages data direction in RS485 mode, eliminating the need for manual RTS signal control and simplifying half-duplex communication. - **High-Performance USB 2.0 Controller:** Utilizes the MOSCHIP MCS7840 chipset, supporting USB 2.0 full-speed operation and backward compatibility with USB 1.1 hosts. - **Large FIFO Buffers:** Each serial port includes a 512-byte FIFO buffer for efficient data transfer and reduced CPU overhead. - **LED Indicators per Channel:** Dedicated LEDs for each port indicate transmit/receive activity (TXD/RXD) and power status, providing clear visual diagnostics. - **Bus-Powered Operation:** Draws power directly from the USB bus (5VDC, 400mA), eliminating the need for an external power supply. Optional self-powered version (UTS004S) available for standalone operation. - **Compact and Durable Metal Enclosure:** Rugged 90 × 150 × 27 mm metal housing ensures durability and EMI shielding, suitable for industrial environments. - **Plug-and-Play USB Interface:** Supports hot-plugging and automatic detection by modern operating systems. Compatible with Windows, Linux, and other USB-compliant systems. - **iSerial Feature Support (via MCS7840):** When programmed with a unique EEPROM serial number, the device retains consistent COM port assignments across different USB ports, simplifying system integration.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Multi-Port Serial Conversion:** Supports four independent serial ports in one enclosure — one isolated RS232 and three isolated RS422/RS485 ports. - **USB 2.0 Interface:** Fully compliant with USB 2.0 specifications, ensuring high-speed data transfer and backward compatibility with USB 1.1. - **Isolation Protection:** Each serial port is galvanically isolated to prevent ground loops and protect connected equipment from electrical surges. - **MOSCHIP MCS7840 Controller:** Utilizes a robust USB-to-serial bridge chip with integrated 512-byte FIFO per port for efficient data buffering and reduced latency. - **Auto Data Direction Control:** RS485 ports support automatic data direction control, simplifying half-duplex communication without additional software or hardware control. - **LED Indicators:** Individual LED indicators for each port (TX/RX activity) and power status provide real-time operational feedback. - **Bus-Powered Operation:** Operates directly from the USB bus (5VDC, 400mA), eliminating the need for an external power supply. - **Compact Metal Enclosure:** Durable metal housing (90 × 150 × 27 mm) provides EMI shielding and mechanical protection. - **Flexible Configuration:** RS422 or RS485 mode selectable via DIP switch for each port. - **Plug-and-Play Installation:** Supports hot-plugging and automatic COM port assignment under Windows and other operating systems. - **iSerial Feature Support:** When programmed with a unique EEPROM serial number, the MCS7840 retains consistent COM port numbers across different USB ports. - **Wide Environmental Tolerance:** Designed for industrial environments with operating temperatures from 0°C to 55°C and humidity up to 95% RH.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Multi-Port Design:** Supports four independent serial ports in one enclosure—two isolated RS232 ports and two isolated RS422/RS485 ports. - **USB 2.0 Interface:** Fully compliant with USB 2.0 specifications, ensuring high-speed data transfer and backward compatibility with USB 1.1. - **Isolation Protection:** Each serial channel is galvanically isolated to prevent ground loops and protect connected equipment from electrical surges. - **MOSCHIP MCS7840 Controller:** Utilizes a reliable USB-to-serial bridge chip with integrated 512-byte FIFO buffers per port for efficient data flow and reduced latency. - **Auto Data Direction Control (RS485):** Automatically manages data direction in RS485 mode, eliminating the need for manual RTS control. - **Flexible Interface Configuration:** RS422 or RS485 mode selectable via DIP switch, allowing adaptation to various communication standards. - **LED Indicators:** Individual TX/RX activity LEDs for each port (ATRD, BTRD, CTRD, DTRD) plus a power indicator (PWR) for easy status monitoring. - **Bus-Powered Operation:** Draws power directly from the USB bus (5VDC, 400mA), eliminating the need for an external power supply. - **Optional Self-Powered Version:** Available as model UTS400S for applications requiring external 5VDC power input. - **Compact Metal Enclosure:** Durable, EMI-shielded metal housing measuring 90 × 150 × 27 mm, suitable for industrial environments. - **Hot-Pluggable USB Interface:** Supports plug-and-play installation and hot-swapping without system reboot. - **iSerial Feature Support:** When programmed with a unique EEPROM serial number, the MCS7840 retains consistent COM port assignments across USB ports. - **Wide Environmental Tolerance:** Operates reliably in 0–55°C and 10–95% RH environments.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Multi-Port Serial Expansion:** Provides four independent serial communication ports in a single module — three isolated RS232 ports and one isolated RS485/422 port. - **USB 2.0 Interface:** Fully compliant with USB 2.0 specifications, ensuring high-speed data transfer and backward compatibility with USB 1.1. - **Isolation Protection:** Each serial port is galvanically isolated, protecting connected devices and the host system from ground loops and electrical surges. - **MOSCHIP MCS7840 Controller:** Utilizes a reliable USB-to-serial bridge chip with integrated 512-byte FIFO buffers per port for smooth data flow and reduced latency. - **Auto Data Direction Control:** RS485 interface supports automatic data direction control, simplifying half-duplex communication without additional software or hardware configuration. - **LED Indicators:** Individual LED indicators for each port (A, B, C, D) display transmit/receive activity, plus a dedicated power LED for system status monitoring. - **Bus-Powered Operation:** Draws power directly from the USB port (5VDC, 400mA), eliminating the need for an external power supply. - **Compact Metal Enclosure:** Durable 90 × 150 × 27 mm metal housing provides electromagnetic shielding and mechanical protection. - **Flexible Configuration:** RS422 or RS485 mode selectable via internal DIP switch. - **Plug-and-Play Installation:** Supports hot-plugging and automatic COM port assignment under Windows and other operating systems. - **iSerial Feature Support:** When programmed with a unique serial number in EEPROM, the MCS7840 chip retains consistent COM port assignments across different USB ports.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Four Independent RS232 Ports:** Provides four fully isolated RS232 serial ports (Ports A, B, C, D) in one compact module, each with independent signal ground isolation from the USB bus and from each other. - **USB 2.0 Interface:** Compliant with USB 2.0 full-speed specifications, ensuring compatibility with modern PCs and embedded systems. - **High-Performance MOSCHIP MCS7840 Controller:** Integrates a USB 2.0 device controller with four UART channels, each featuring a 512-byte FIFO buffer for efficient data handling and reduced latency. - **Electrical Isolation:** Each RS232 port is galvanically isolated, providing enhanced safety and protection against ground potential differences and electrical interference. - **LED Indicators per Channel:** Dedicated LED indicators for each port (ATRD, BTRD, CTRD, DTRD) display transmit/receive activity, plus a PWR LED for power status. - **Bus-Powered Operation:** Operates directly from the USB bus (5VDC, 400mA). Optional self-powered version (UTS040S) available for external 5VDC adapter operation. - **Compact Metal Enclosure:** Rugged 90 × 150 × 27 mm metal housing provides durability and EMI shielding for industrial environments. - **Plug-and-Play Installation:** Supports hot-plugging and automatic detection by operating systems. Compatible with Windows, Linux, and other USB-compliant platforms. - **iSerial Feature Support (via MCS7840):** When programmed with a unique EEPROM serial number, the converter retains consistent COM port assignments across different USB ports, simplifying multi-port system integration.

Manufacturer: Rayon

Category: USB RS232 Converter

- **USB 2.0 Device Controller:** Fully compliant with USB 2.0 specifications, ensuring high-speed data transfer and backward compatibility with USB 1.1 hosts. - **Ground Isolation:** Provides galvanic isolation between the USB host and RS232 interface, enhancing safety and preventing ground loop interference. - **Single RS232 Port:** One isolated RS232 communication channel via a DB9 male connector. - **ASIX MCS7810 Chipset:** Utilizes the reliable ASIX MCS7810 USB-to-serial controller for stable performance and broad driver support. - **512-Byte FIFO Buffer:** Each serial port includes a 512-byte FIFO buffer for efficient data handling and reduced latency. - **LED Indicators:** - **PWR LED:** Indicates power status. - **Serial1 LED:** Displays TXD/RXD activity for the RS232 port. - **Bus-Powered Operation:** Draws power directly from the USB port (5VDC, 200mA typical), simplifying installation and reducing cabling. - **Compact Metal Enclosure:** Provides electromagnetic shielding and mechanical durability. - **Plug-and-Play Functionality:** Supports automatic detection and configuration by modern operating systems. - **Safety-Oriented Design:** Ideal for industrial, laboratory, and instrumentation environments requiring electrical isolation. - **Cost-Effective Solution:** Offers isolation and reliability at a lower cost compared to multi-port or externally powered models.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Dual Isolated RS232 Ports:** Two independent RS232 serial channels, each galvanically isolated from the USB interface and from each other, ensuring safe and interference-free communication. - **USB 2.0 Interface:** Fully compliant with USB 2.0 specifications, supporting high-speed data transfer and backward compatibility with USB 1.1. - **ASIX MCS7820 Controller:** Utilizes the ASIX MCS7820 USB-to-dual-UART bridge chip, providing stable performance, low latency, and reliable data throughput. - **512-Byte FIFO Buffer per Port:** Each serial channel includes a 512-byte FIFO buffer for efficient data handling and reduced CPU overhead. - **Bus-Powered Operation:** Draws power directly from the USB port (5VDC, 300–400mA typical), eliminating the need for an external power adapter. - **LED Indicators:** Dedicated LEDs for power and per-port TX/RX activity monitoring, simplifying diagnostics and status verification. - **Metal Enclosure:** Durable, shielded metal housing for improved EMI protection and mechanical robustness. - **Compact Design:** Space-efficient form factor (92 × 118 × 27 mm) suitable for desktop, rack, or embedded installations. - **Ground Isolation:** Electrical isolation between USB and RS232 interfaces, and between the two RS232 ports, preventing ground potential differences and protecting connected equipment. - **Plug-and-Play Installation:** Supports automatic detection and configuration under major operating systems with minimal driver setup. - **Safety and Reliability:** Designed for industrial-grade operation with wide environmental tolerance and robust electrical design.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Four RS232 Ports in One Module:** Provides four independent RS232 serial interfaces (Ports A, B, C, D) through a single USB 2.0 connection. - **Integrated 5V Power Supply on DB9 Pin 9:** Each RS232 port can supply up to 145 mA at 5VDC, ideal for powering external devices such as barcode readers or scanners. - **USB 2.0 Device Controller:** Ensures high-speed data transfer and compatibility with modern USB interfaces. - **MOSCHIP MCS7840 Controller:** Utilizes the reliable MCS7840 chipset, supporting advanced serial communication features and iSerial functionality for consistent COM port assignment. - **512-Byte FIFO Buffer per Port:** Enhances data throughput and minimizes latency during high-speed serial communication. - **Dual Power Modes:** Supports both USB bus-powered operation and self-powered mode via external 5V adapter (UP110 or UP220). - **LED Indicators per Channel:** Individual LEDs for each port display TX/RX activity, plus a power indicator for system status monitoring. - **Compact Metal Enclosure:** Provides electromagnetic shielding and mechanical durability for industrial and commercial environments. - **Plug-and-Play USB Interface:** Simplifies installation without requiring additional PCI slots or complex configuration. - **Wide Environmental Tolerance:** Operates reliably in temperatures from 0°C to 55°C and humidity up to 95% RH.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Multi-Protocol Serial Support:** Supports one selectable serial communication interface — RS232, RS422, or RS485 — through a single DB9 male connector. - **USB 2.0 Compliance:** Fully compliant with USB 2.0 specifications, ensuring high-speed data transfer and backward compatibility with USB 1.1. - **ASIX MCS7810 Chipset:** Utilizes the ASIX MCS7810 USB-to-serial controller for stable performance and efficient data handling. - **512-Byte FIFO Buffer:** Each serial port is equipped with a 512-byte FIFO buffer for optimized data throughput and reduced latency. - **Auto Data Direction Control (RS485 Mode):** Automatically manages data direction in RS485 mode, simplifying half-duplex communication without external control signals. - **LED Indicators:** Independent LED indicators for power (PWR) and serial data transmission/reception (TXD/RXD) per channel. - **Bus-Powered Operation:** Draws power directly from the USB bus (5VDC, 100mA typical), eliminating external power adapters. - **Compact Metal Enclosure:** Durable metal housing (92 × 118 × 27 mm) provides electromagnetic shielding and mechanical protection. - **Flexible Configuration:** DIP switch selection allows users to toggle between RS232, RS422, and RS485 modes. - **Wide Environmental Tolerance:** Designed for industrial environments with operating temperatures from 0°C to 55°C and humidity up to 95% RH. - **Cost-Effective and Scalable:** Offers a balance between affordability and flexibility, suitable for single-port applications or as part of a larger serial communication system.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Multi-Protocol Serial Support:** Supports one ground-isolated serial port configurable as RS232, RS422, or RS485 via DIP switch selection. - **USB 2.0 Interface:** Compliant with USB 2.0 full-speed specifications, ensuring compatibility with modern host systems and backward compatibility with USB 1.1. - **Electrical Isolation:** Provides galvanic isolation between the USB interface and the serial communication port, enhancing safety and preventing ground loop interference in industrial environments. - **ASIX MCS7810 Controller:** Utilizes the ASIX MCS7810 USB-to-serial bridge chip, offering stable performance, low latency, and 512-byte FIFO buffering per port for smooth data flow. - **Auto Data Direction Control (RS485 Mode):** Automatically manages data direction in RS485 mode, eliminating the need for manual RTS control and simplifying half-duplex communication setups. - **LED Indicators:** Equipped with LED indicators for power (PWR) and serial port activity (TXD/RXD), providing clear visual status feedback. - **Bus-Powered Operation:** Operates directly from the USB bus power (5VDC, 200mA typical), eliminating the need for an external power adapter in most applications. - **Compact Metal Enclosure:** Rugged metal housing (92 × 118 × 27 mm) provides mechanical protection and EMI shielding, suitable for industrial and field use. - **Flexible Configuration:** DIP switch selectable interface type (RS232, RS422, or RS485) allows versatile deployment across different communication standards. - **High Reliability and Safety:** Designed for environments requiring electrical isolation and robust communication, such as automation systems, data acquisition, and industrial control.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Dual-Port Design:** Supports two independent serial communication ports in a single enclosure, reducing space and cabling complexity. - **Multi-Protocol Support:** Each port can be configured individually for RS232, RS422, or RS485 operation using DIP switches. - **USB 2.0 Interface:** Compliant with USB 2.0 full-speed specifications, ensuring reliable data transfer and broad compatibility with modern systems. - **ASIX MCS7820 Chipset:** Utilizes the ASIX MCS7820 USB-to-serial controller, providing stable performance and compatibility with major operating systems. - **512-Byte FIFO Buffer per Port:** Enhances data throughput and minimizes latency during high-speed communication. - **Auto Data Direction Control (RS485 Mode):** Automatically manages data flow direction in RS485 mode, eliminating the need for manual RTS signal control. - **LED Indicators:** Dedicated LEDs for power (PWR) and data transmission/reception (TXD/RXD) per port for easy status monitoring. - **Bus-Powered Operation:** Draws power directly from the USB port (5VDC, 200mA typical), eliminating the need for an external power supply. - **Compact Metal Enclosure:** Durable metal housing (92 × 118 × 27 mm) provides electromagnetic shielding and mechanical protection. - **Flexible Configuration:** DIP switch selection allows quick reconfiguration between serial standards without additional hardware. - **Plug-and-Play Installation:** Supports hot-plugging and automatic COM port assignment under Windows and other operating systems. - **iSerial Feature (via MCS7820):** Supports unique serial number programming in EEPROM for consistent COM port assignment across USB ports.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Dual Isolated Serial Ports:** Two independent, ground-isolated serial channels configurable as RS232, RS422, or RS485. - **USB 2.0 Interface:** Compliant with USB 2.0 full-speed specifications for broad compatibility with modern systems. - **ASIX MCS7820 Controller:** High-performance USB-to-serial bridge chip with integrated FIFO and iSerial support. - **512-Byte FIFO per Port:** Large buffer memory per channel ensures smooth data flow and minimizes latency. - **Auto Data Direction Control:** Automatic transmit/receive switching in RS485 mode for simplified half-duplex communication. - **LED Indicators:** Dedicated LEDs for power and per-port TX/RX activity monitoring. - **Bus-Powered Operation:** Draws power directly from the USB port (5VDC, 300–400mA typical). - **Metal Enclosure:** Durable, EMI-resistant housing for industrial environments. - **Flexible Configuration:** DIP switch selection for RS232 or RS422/RS485 operation per port. - **Ground Isolation:** Electrical isolation between USB and serial ports enhances safety and prevents ground loops. - **Compact Design:** Space-efficient form factor suitable for desktop or panel mounting. - **Plug-and-Play Installation:** No external power supply required in bus-powered mode; supports hot-plugging. - **EEPROM iSerial Feature:** Retains consistent COM port assignments across USB ports when programmed with unique serial numbers. - **Wide Environmental Range:** Operates reliably from 0°C to 55°C with up to 95% relative humidity.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Four Independent Serial Ports:** Supports four configurable serial channels (A, B, C, D) in one compact module. - **Multi-Protocol Support:** Each port can be independently configured as RS232, RS422, or RS485 via DIP switch settings. - **USB 2.0 Interface:** Compliant with USB 2.0 full-speed specifications, ensuring broad compatibility and plug-and-play operation. - **High-Performance Controller:** Built around the MOSCHIP MCS7840 chipset, providing stable communication and advanced serial management. - **512-Byte FIFO Buffer per Port:** Enhances data throughput and minimizes latency during high-speed communication. - **Auto Data Direction Control (RS485 Mode):** Automatically manages data flow direction, simplifying RS485 network configuration. - **LED Indicators per Channel:** Dedicated LEDs for power and transmit/receive activity on each port for easy status monitoring. - **Bus-Powered Operation:** Draws power directly from the USB port (5VDC, 400mA), eliminating the need for an external power supply. - **Metal Enclosure:** Provides electromagnetic shielding and mechanical durability for industrial environments. - **Compact Design:** Space-efficient form factor (90 × 150 × 27 mm) suitable for desktop or embedded system integration. - **Flexible Configuration:** DIP switch accessible on PCB for RS232/RS422/RS485 selection; default configuration is RS422/RS485. - **Hot-Pluggable USB Interface:** Supports connection and disconnection without system reboot. - **iSerial Feature (MCS7840):** Optional EEPROM-based unique serial number allows consistent COM port assignment across USB ports. - **Wide Environmental Tolerance:** Operates reliably in temperature and humidity ranges suitable for industrial use.

Manufacturer: Rayon

Category: USB RS232 Converter

- **USB 2.0 Device Controller:** Fully compliant with USB 2.0 specifications, ensuring high-speed data transfer and backward compatibility with USB 1.1 hosts. - **Single Ground-Isolated RS422/RS485 Port:** Provides one isolated serial communication channel, selectable between RS422 and RS485 modes via DIP switch. - **ASIX MCS7810 Chipset:** Utilizes the ASIX MCS7810 USB-to-serial controller for stable performance and compatibility with major operating systems. - **512-Byte FIFO Buffer:** Each serial port includes a 512-byte FIFO buffer for efficient data handling and reduced latency during high-speed communication. - **Auto Data Direction Control (RS485 Mode):** Automatically manages data direction control signals, simplifying RS485 network configuration and reducing software overhead. - **LED Indicators:** Dedicated LED indicators for power (PWR) and serial activity (TXD/RXD) provide real-time operational status. - **Bus-Powered Operation:** Draws power directly from the USB port (5VDC, 200mA typical), eliminating the need for an external power supply. - **Metal Enclosure:** Rigid metal housing provides electromagnetic shielding and mechanical durability suitable for industrial environments. - **Compact Dimensions:** Space-efficient design (92mm × 118mm × 27mm) allows easy integration into control panels or instrumentation setups. - **Wide Environmental Tolerance:** Operates reliably in temperature ranges from 0°C to 55°C and humidity up to 95% RH. - **Selectable Interface Mode:** RS422 or RS485 mode can be configured via onboard DIP switch for flexible deployment. - **Ground Isolation:** Electrical isolation between USB and serial interfaces enhances safety and prevents ground loop interference.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Dual Isolated Serial Ports:** Two independent RS485/RS422 ports with galvanic isolation between USB and serial interfaces, ensuring signal integrity and protection against ground loops. - **USB 2.0 Interface:** Fully compliant with USB 2.0 specifications, supporting high-speed data transfer and backward compatibility with USB 1.1. - **ASIX MCS7820 Chipset:** High-performance USB-to-serial controller with integrated FIFO buffers for efficient data throughput. - **512-Byte FIFO per Port:** Each serial channel includes a 512-byte transmit/receive buffer, minimizing data loss during high-speed communication. - **Selectable RS485/RS422 Mode:** Each port can be independently configured as RS485 or RS422 via DIP switch settings. - **Auto Data Direction Control (RS485):** Automatic control of data direction in RS485 mode eliminates the need for manual RTS signal management. - **LED Indicators:** Dedicated LEDs for power and per-port TX/RX activity monitoring. - **Bus-Powered Operation:** Draws power directly from the USB port (5VDC, 300–400mA typical), eliminating the need for an external power supply. - **Metal Enclosure:** Durable, EMI-resistant housing suitable for industrial environments. - **Compact Design:** Space-efficient form factor for desktop or panel installation. - **Ground Isolation:** Electrical isolation between USB and serial ports enhances safety and prevents signal interference. - **Plug-and-Play Functionality:** Supports hot-plugging and automatic COM port assignment under Windows and other operating systems.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Four Independent Serial Ports:** Supports four RS422/RS485 communication channels in a single compact module, labeled as ports A, B, C, and D. - **USB 2.0 Interface:** Compliant with USB 2.0 full-speed specifications, ensuring high data throughput and backward compatibility with USB 1.1 hosts. - **MOSCHIP MCS7840 Controller:** Utilizes a reliable and widely supported USB-to-serial bridge chip, providing stable performance and compatibility with major operating systems. - **512-Byte FIFO Buffer per Port:** Each serial channel includes a 512-byte transmit/receive FIFO buffer, minimizing data loss and ensuring smooth communication under high-load conditions. - **Selectable RS422/RS485 Mode:** Each port can be configured individually for RS422 or RS485 operation via DIP switch settings, offering flexibility for diverse communication environments. - **Auto Data Direction Control (RS485 Mode):** Automatically manages data flow direction in RS485 mode, simplifying configuration and improving communication reliability. - **LED Indicators per Channel:** Dedicated LEDs display transmit/receive activity for each port (ATRD, BTRD, CTRD, DTRD) and a power indicator (PWR), providing clear visual status feedback. - **Bus-Powered Operation:** Draws power directly from the USB bus (5VDC, 400mA), eliminating the need for an external power adapter. - **Compact Metal Enclosure:** Rugged metal housing (90 × 150 × 27 mm) ensures durability, electromagnetic shielding, and heat dissipation suitable for industrial environments. - **Plug-and-Play Installation:** Supports hot-plugging and automatic detection by the host system, simplifying deployment and maintenance. - **iSerial Feature Support (via EEPROM):** When equipped with EEPROM and a unique serial number, the MCS7840 controller supports iSerial functionality, maintaining consistent COM port assignments across USB ports.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Four Independent Serial Ports:** Supports four isolated RS422/RS485 communication channels in a single compact module, ideal for multi-node or redundant serial communication systems. - **Full Electrical Isolation:** Each RS422/RS485 port is galvanically isolated from the USB bus and from each other, ensuring protection against ground loops, electrical noise, and transient surges. - **USB 2.0 Interface:** Compliant with USB 2.0 full-speed specifications, ensuring reliable data throughput and compatibility with modern host systems. - **MOSCHIP MCS7840 Controller:** Utilizes the MCS7840 chipset, providing stable USB-to-serial conversion, 512-byte FIFO per port, and support for the iSerial feature for consistent COM port assignment. - **Auto Data Direction Control (RS485):** Automatically manages data direction on RS485 networks, eliminating the need for manual RTS control and simplifying half-duplex communication. - **Dual Power Modes:** Operates in USB bus-powered mode (5VDC, 400mA) or self-powered mode using an external 5V adapter (UP110/UP220 recommended). - **LED Indicators per Channel:** Dedicated TX/RX activity LEDs for each port (A, B, C, D) plus a power indicator LED for quick visual diagnostics. - **Compact Metal Enclosure:** Rugged 90 × 150 × 27 mm metal housing provides durability and EMI shielding for industrial environments. - **Flexible Configuration:** Each port can be configured as RS422 or RS485 via DIP switches, allowing versatile deployment across different communication standards. - **High Reliability and Redundancy:** Designed for monitoring, backup, and redundant communication setups in industrial control systems.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Dual RS232 and Dual Isolated RS485/422 Ports:** Provides two standard RS232 interfaces and two isolated RS485/422 interfaces for simultaneous multi-protocol communication. - **USB 2.0 Interface:** Fully compliant with USB 2.0 specifications, supporting high-speed data transfer and backward compatibility with USB 1.1. - **MOSCHIP MCS7840 Controller:** Integrated USB-to-serial bridge chip offering robust performance and advanced features such as iSerial support. - **512-Byte FIFO per Serial Port:** Each serial channel includes a 512-byte FIFO buffer for efficient data handling and reduced latency. - **LED Indicators per Channel:** Individual LED indicators display transmit/receive activity for each port, plus a power indicator for system status monitoring. - **Bus-Powered Operation:** Draws power directly from the USB port (5VDC, 400mA), eliminating the need for an external power supply. - **Metal Enclosure:** Durable metal housing provides electromagnetic shielding and mechanical protection, suitable for industrial environments. - **Auto Data Direction Control (RS485):** Automatically manages data direction in RS485 mode, simplifying half-duplex communication. - **Flexible Configuration:** RS422 or RS485 mode selectable via DIP switch. - **Compact Design:** Space-efficient form factor (90 × 150 × 27 mm) for easy integration into control panels or desktop setups. - **Hot-Pluggable USB Interface:** Supports plug-and-play installation without system reboot. - **iSerial Feature Support:** Retains consistent COM port assignments across different USB ports when EEPROM serial numbers are programmed.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Four Serial Ports in One Module:** Provides 2×RS232, 1×Isolated RS232, and 1×Isolated RS422/RS485 interfaces. - **USB 2.0 Compliance:** Fully compatible with USB 2.0 specifications, ensuring high-speed data transfer and backward compatibility with USB 1.1. - **MOSCHIP MCS7840 Controller:** Utilizes the MCS7840 USB-to-serial bridge chip, offering stable performance and advanced serial communication features. - **512-Byte FIFO per Port:** Each serial channel includes a 512-byte FIFO buffer for efficient data handling and reduced latency. - **LED Indicators per Channel:** Individual TX/RX activity LEDs for each port (ATRD, BTRD, CTRD, DTRD) plus a power indicator (PWR). - **Bus-Powered Operation:** Draws power directly from the USB bus (5VDC, 400mA), eliminating the need for an external power supply. - **Optional Self-Powered Version:** The UTS400S variant supports external 5VDC adapter input for self-powered operation. - **Galvanic Isolation:** Isolated RS232 and RS422/RS485 ports provide electrical isolation for enhanced safety and noise immunity. - **Flexible Interface Configuration:** RS422 or RS485 mode selectable via DIP switch; supports Auto Data Direction Control in RS485 mode. - **Compact Metal Enclosure:** Rugged 90×150×27 mm metal housing ensures durability and EMI shielding. - **Hot-Pluggable USB Interface:** Supports plug-and-play installation without system reboot. - **iSerial Feature Support:** When programmed with a unique EEPROM serial number, the MCS7840 retains consistent COM port assignments across USB ports.

Manufacturer: Rayon

Category: USB RS232 Converter