- **Multiport Connectivity:** One DB62M connector branching into eight DB9M connectors, enabling simultaneous connection of up to eight serial devices. - **Extended Cable Length:** 4.0 m total length provides flexibility in equipment placement and rack configurations. - **High Signal Integrity:** Shielded cable construction minimizes electromagnetic interference (EMI) and crosstalk, ensuring stable RS-232/RS-422/RS-485 communication. - **Durable Construction:** Industrial-grade materials and molded connectors enhance mechanical strength and long-term reliability. - **Precision Pin Mapping:** Each DB9M connector is wired according to standard serial pin assignments, ensuring compatibility with multiport serial cards and communication hubs. - **Plug-and-Play Design:** No additional configuration required; supports direct connection to compatible serial ports. - **Versatile Application Range:** Suitable for data acquisition systems, industrial automation, laboratory instrumentation, and legacy serial communication setups. - **Manufacturer Quality Assurance:** Produced by Rayon, known for precision-engineered connectivity solutions and compliance with international cabling standards.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 8-Port

- **Multi‑port Breakout Design:** Converts one DB62 male connector into eight DB9 male connectors, allowing simultaneous connection of up to eight serial devices. - **High‑Density D‑Sub Interface:** The DB62M connector provides a 62‑pin interface, commonly used in multi‑channel RS‑232/RS‑422/RS‑485 communication systems. - **Compact Length (0.30 m):** Short cable length minimizes signal loss and electromagnetic interference (EMI), ideal for internal cabinet wiring or close‑proximity device interconnections. - **Industrial‑Grade Construction:** Manufactured by Rayon with robust materials for durability, mechanical stability, and long‑term reliability in demanding environments. - **Precision‑Molded Connectors:** Each connector is molded for strain relief and mechanical protection, ensuring consistent electrical contact and reduced wear during repeated connections. - **Plug‑and‑Play Compatibility:** Fully wired and ready for immediate use with compatible serial communication hardware, controllers, and interface cards. - **Versatile Application Range:** Suitable for industrial automation, instrumentation, data acquisition systems, and legacy serial communication setups. - **Signal Integrity Assurance:** Shielded cable design (typical for Rayon’s industrial series) minimizes crosstalk and maintains stable signal transmission across all channels.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 8-Port

- **Multi-Connector Interface:** Converts a single DB44 male connector into four DB25 male connectors, enabling simultaneous connection to multiple devices or channels. - **High-Density D-Sub Design:** Utilizes a DB44 (44-pin) connector for compact, high-pin-count signal transmission, ideal for multi-signal or multi-axis control systems. - **Optimized Cable Length:** 1-meter total length provides flexibility for rack-mounted or benchtop equipment while minimizing signal loss and clutter. - **Durable Construction:** Manufactured with high-quality materials, including rayon-based insulation and shielding for enhanced mechanical strength and signal protection. - **Precision-Molded Connectors:** Each connector is molded for strain relief and mechanical stability, ensuring consistent electrical contact and long service life. - **Signal Integrity:** Designed to maintain low crosstalk and minimal signal attenuation across all channels, suitable for analog, digital, or mixed-signal applications. - **Plug-and-Play Compatibility:** Standard D-sub pinout ensures compatibility with a wide range of industrial controllers, data acquisition systems, and communication interfaces. - **Versatile Application Range:** Ideal for test benches, instrumentation setups, CNC control systems, and multi-channel data logging equipment.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 8-Port

- **Multi-Port Serial Breakout:** Converts one DB44 male connector into four DB9 male connectors, enabling simultaneous connection of up to four serial devices. - **High-Density Connector Interface:** The DB44 (HD44) male connector provides a compact, high-pin-count interface suitable for multi-channel serial communication systems. - **Standard DB9 Male Outputs:** Each of the four DB9 male connectors conforms to standard pin assignments for RS-232/RS-422/RS-485 communication, ensuring compatibility with a wide range of serial devices. - **Optimized Cable Length:** 1-meter total length provides a balance between flexibility and minimal signal loss, ideal for rack-mounted or desktop equipment configurations. - **Durable Construction:** Manufactured with robust materials and strain-relief features to ensure long-term reliability in industrial, laboratory, and commercial environments. - **Signal Integrity:** Shielded cable design minimizes electromagnetic interference (EMI) and crosstalk between channels, maintaining stable data transmission. - **Plug-and-Play Compatibility:** No additional drivers or software required; functions as a passive breakout cable for direct hardware-level connectivity. - **Versatile Applications:** Suitable for use with multi-port serial cards, industrial controllers, data acquisition systems, and communication hubs.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 8-Port

- **Eight Independent Communication Ports:** Each of the eight ports can be configured individually for RS‑422 or RS‑485 operation via DIP switches, allowing mixed‑mode deployment across multiple serial standards. - **Full Electrical Isolation:** Every port is galvanically isolated from the system ground, preventing ground loops and protecting connected equipment from voltage differentials and surges. - **Flexible Interface Selection:** Each port can be independently set to RS‑422 (full‑duplex) or RS‑485 (half‑duplex) mode. RS‑485 mode supports automatic data direction control, eliminating the need for RTS signal management. - **Integrated Power Supply:** Built‑in universal power supply supports **90–260 VAC** or **–48 VDC** input, enabling deployment in both standard AC and telecom DC environments. - **High‑Density Connectivity:** One **DB‑62 female input connector** interfaces with the host PCI card, while eight **DB‑25 male output connectors** provide isolated serial outputs. - **Signal Monitoring:** Each port includes **TXD/RXD LED indicators** for real‑time transmission and reception monitoring, simplifying diagnostics and system verification. - **Configurable Impedance:** Jumper‑selectable termination resistors (typically 120 Ω) are available for RS‑422/RS‑485 modes to ensure proper line impedance matching and signal integrity. - **Industrial‑Grade Construction:** Rugged metal enclosure with compact dimensions (298 × 135 × 55 mm) designed for rack, panel, or desktop installation in industrial and laboratory environments. - **Plug‑and‑Play Integration:** Direct connection to RAYON P588/P588U/P5168U PCI cards via R803 DB‑62‑to‑DB‑62 cable; no additional configuration required beyond DIP switch settings.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 8-Port

- **Interface Conversion:** Converts a standard **DB9 female connector** to a **3-pin or 5-pin RS485 terminal screw block**, allowing direct connection of twisted-pair communication cables. - **Universal Compatibility:** Supports **RS485** and **RS422** differential signal standards, compatible with most serial communication devices, PLCs, and industrial controllers. - **Tool-Free Wiring:** Equipped with **screw-type terminal blocks** for easy cable termination without soldering or crimping. - **Compact and Durable Design:** Small form factor suitable for panel, DIN-rail, or field installations; built with high-quality materials for long-term reliability. - **Signal Integrity:** Gold-plated contacts and precision-molded connectors ensure low contact resistance and stable data transmission. - **Plug-and-Play Operation:** No external power supply or configuration required; purely passive adapter. - **Versatile Applications:** Ideal for connecting RS485 networks, Modbus RTU devices, sensors, and controllers to PCs, converters, or gateways with DB9 serial ports. - **Clear Pin Labeling:** Each terminal is clearly marked for easy identification of signal lines (A/B, GND, etc.). - **Secure Connection:** Screw terminals provide vibration-resistant, mechanically stable connections suitable for industrial environments. - **RoHS Compliant:** Manufactured using environmentally safe materials and compliant with Restriction of Hazardous Substances directives.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 8-Port

- **Universal Serial Conversion:** Converts USB 2.0 signals to RS-232, RS-422, or RS-485 serial communication standards. - **Optical Isolation:** Provides 3000 VDC isolation between USB and serial interfaces to protect against ground potential differences and high-voltage transients. - **Surge Protection:** Built-in surge and short-circuit protection on RS-422/485 data lines. - **Automatic Configuration:** Auto-detects data format, baud rate, and RS-485 data flow direction without manual switch settings. - **High-Speed Communication:** Supports programmable baud rates from 75 bps up to 6 Mbps. - **Buffering:** 256-byte buffer for both upstream and downstream data flow ensures stable data transmission. - **Plug-and-Play Operation:** Automatically creates a virtual COM port on the host system upon connection. - **Power Supply:** Draws power directly from the USB port (no external power adapter required). - **LED Indicators:** Power, TX (Transmit), and RX (Receive) LEDs provide real-time communication status. - **Mounting Flexibility:** Supports both DIN rail and panel mounting for industrial installations. - **Cross-Platform Driver Support:** Compatible with Windows (98/ME/2000/XP/CE3.0/7/8/8.1), Linux, Mac OS, and Android. - **Compact and Durable Design:** Rugged enclosure suitable for industrial environments.

Manufacturer: Trycom

Category: USB RS232 Converter

- **Multi-Port Serial Expansion:** Provides four independent serial ports (2×RS-232 and 2×RS-422/485) via one USB 2.0 connection. - **Automatic Configuration:** Auto-detects RS-422/485 mode, baud rate, and data direction flow control without manual switch settings. - **High Isolation Protection:** 3000 VDC optical isolation between USB and RS-422/485 interfaces to prevent ground loops and voltage surges. - **Surge and ESD Protection:** ±15 kV ESD protection on all serial lines; surge and short-circuit protection on RS-422/485 data lines. - **Flexible Mounting:** Supports both DIN-rail and panel mounting for industrial installation flexibility. - **USB Powered Operation:** Draws power directly from the USB port (260 mA typical), eliminating the need for an external power supply. - **Independent Port Configuration:** Each serial port can be configured independently for baud rate, data bits, parity, and stop bits. - **High-Speed Data Transfer:** Supports communication speeds from 300 bps up to 256 Kbps. - **FIFO Buffering:** On-chip 512-byte FIFO for upstream and downstream data buffering, ensuring smooth data flow. - **LED Indicators:** Power and communication LEDs (TXA/RXA/TXB/RXB) provide real-time status monitoring. - **Wide OS Compatibility:** Supports Windows (98/ME/2000/XP/Vista/7/8.1/CE5.0–7.0), Linux, Mac OS, and Android. - **Extended Communication Distance:** RS-422/485 communication up to 4000 ft (1250 m). - **Industrial-Grade Design:** Rugged aluminum enclosure with compact dimensions and wide operating temperature range (0–65°C).

Manufacturer: Trycom

Category: USB RS232 Converter

- **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