- **Galvanic Isolation:** Provides up to 4 kV isolation between connected RS232 interfaces, protecting equipment and operators from potential voltage surges and ground loops. - **Bidirectional Communication:** Fully supports two-way RS232 data transmission, enabling transparent communication between devices. - **No External Power Supply Required:** When the input lines (Data In/HS In1/HS In2) are properly connected on both sides, the adapter operates without the need for an external power source, simplifying installation and reducing wiring complexity. - **High Data Rate Support:** Capable of handling serial communication speeds up to 115 kBd, suitable for most standard RS232 applications. - **Dual 25-Pin D-Sub Connectors:** Equipped with two standard 25-pin (DB25) connectors for easy connection to RS232 ports on computers, controllers, or other serial devices. - **Compact and Robust Design:** Engineered for industrial and laboratory environments where electrical isolation and signal integrity are critical. - **Plug-and-Play Operation:** Designed for straightforward integration without the need for complex configuration or driver installation.

Manufacturer: No category

Category: RS232 RS485 Converter

- **Reverse Port Sharing Functionality:** Enables **three RS485 master devices** to communicate with **one RS485 slave** through intelligent data management and buffering. - **Stored-and-Forward Communication:** Incorporates a **store-and-forward interactive handshake mechanism** that ensures one master is serviced at a time, preventing data collision and maintaining communication integrity. - **Multi-Master MODBUS Support:** Designed to allow multiple MODBUS master controllers to access a single slave device seamlessly, simulating independent access for each master. - **Automatic Data Direction Control:** Supports **Auto-Data-Direction-Control** for RS485 communication, simplifying configuration and ensuring proper half-duplex operation. - **Electrical Isolation:** All RS485 ports are **ground-isolated**, providing protection against ground loops and electrical noise in industrial environments. - **Flexible Interface Configuration:** DIP switch selectable RS422/RS485 interface modes, allowing adaptation to different serial communication standards. - **Compact and Durable Design:** Housed in a **90 mm (W) × 150 mm (L) × 27 mm (H)** enclosure, suitable for desktop or panel mounting. - **LED Status Indicators:** Dedicated LEDs for power and data activity on each port (A, B, C, D) provide real-time operational feedback. - **Low Power Consumption:** Operates at **5 VDC, 400 mA**, with a universal AC adapter input range of **100–240 VAC**. - **Industrial-Grade Environmental Tolerance:** Designed for operation in **0°C to 55°C** and humidity levels up to **95% RH**, suitable for factory and automation control systems.

Manufacturer: Rayon

Category: RS232 Port Sharer

- **Reverse Port Sharing Functionality:** Enables up to three RS232 master devices to access one RS232 slave device through controlled, sequential communication. - **Multi-Master to Single-Slave Communication:** Designed for environments where multiple MODBUS or RS232 master hosts need to access a single slave device without conflict. - **Store-and-Forward Data Handling:** Incorporates an internal buffer and handshake logic to queue and forward data, ensuring that only one master communicates with the slave at a time. - **Automatic Arbitration:** Built-in logic prioritizes master requests, servicing one master at a time while queuing others, effectively simulating independent access. - **RS232 Interface Support:** Fully compliant with RS232 electrical standards, using DB9 male connectors for all ports. - **LED Status Indicators:** Four independent LED indicators (PWR, ATRX, BTRX, CTRX, DTRX) provide real-time visual feedback for power and data transmission activity on each port. - **Compact Industrial Design:** Ruggedized enclosure measuring 90 mm × 150 mm × 27 mm, suitable for control cabinets or desktop integration. - **Low Power Consumption:** Operates at 5 VDC with a typical current draw of 400 mA, powered via an external AC adapter. - **Flexible Configuration:** DIP switch settings allow selection between RS422 and RS485 modes in other S400 variants; IS400S specifically supports RS232. - **High Compatibility:** Works seamlessly with standard RS232 devices such as PLCs, meters, sensors, printers, and industrial controllers. - **Isolation Options (Series Dependent):** Other S400 models offer galvanic isolation on master and/or slave ports for enhanced noise immunity and protection.

Manufacturer: Rayon

Category: RS232 Port Sharer

- **One-to-Three Serial Port Sharing:** Allows one master RS232 port to communicate with up to three RS232 slave devices. - **Simultaneous Data Distribution:** Data received from the master port is retransmitted to all slave ports (B, C, D) simultaneously. - **Controlled Slave Communication:** Only one slave device can transmit data to the master at any given time, ensuring data integrity and preventing collisions. - **Flexible Interface Options:** Supports RS232, isolated RS232, and isolated RS422/485 interfaces. Interface type can be configured via DIP switch. - **Auto Data Direction Control (RS485):** Automatically manages data direction in RS485 mode by shorting TX+/RX+ as DATA+ and TX-/RX- as DATA-. - **LED Indicators:** Provides visual feedback for power and data transmission activity on all ports (A, B, C, D). - **Compact and Durable Design:** Housed in a robust enclosure measuring 90 mm (W) × 150 mm (L) × 27 mm (H). - **Low Power Consumption:** Operates at 5 VDC with a current draw of 400 mA. - **Wide Environmental Tolerance:** Designed for industrial and office environments with operating temperatures from 0°C to 55°C and humidity up to 95% RH. - **Poll & Acknowledge Communication Support:** Ideal for applications where a master host polls multiple slave devices sequentially. - **Data Monitoring and Recording Applications:** Enables simultaneous data transmission to multiple monitoring systems for auditing or redundancy.

Manufacturer: Rayon

Category: RS232 Port Sharer

- **One-to-Three Port Sharing:** Enables a single RS232 master port to communicate with three independent RS232 slave ports simultaneously. - **Full Electrical Isolation:** Both the master and all slave ports are galvanically isolated, ensuring protection against ground loops, electrical noise, and potential surges. - **Bidirectional Communication:** - Data from the master port (Port A) is broadcast to all three slave ports (Ports B, C, D) simultaneously. - Data from any slave port (B, C, or D) is transmitted back to the master port (A) only. - **Double Ground Isolation:** Provides isolation between the external devices and the S232io unit, as well as between each external device, ensuring maximum signal integrity and safety. - **Flexible Serial Interface:** Supports isolated RS232 communication with DB9 male connectors. - **LED Status Indicators:** Dedicated LEDs for power and data activity on each port (A, B, C, D) for easy monitoring and troubleshooting. - **Compact and Durable Design:** Small form factor (90 × 150 × 27 mm) suitable for desktop or embedded installations. - **Low Power Consumption:** Operates efficiently at 400 mA with a 5 VDC supply. - **Wide Environmental Tolerance:** Designed for industrial temperature and humidity ranges. - **Plug-and-Play Operation:** No software drivers required; hardware-based data routing ensures immediate functionality. - **Compatibility:** Works seamlessly with standard RS232 devices such as PCs, printers, meters, controllers, and data loggers.

Manufacturer: Rayon

Category: RS232 Port Sharer

- **One-to-Three Port Sharing:** Allows one RS232 master device to communicate with up to three isolated RS232 slave devices simultaneously. - **Electrical Isolation:** Each of the three slave ports is galvanically isolated, providing protection against ground loops, electrical noise, and voltage surges between connected devices. - **Flexible Serial Interface Support:** The S400 Series supports RS232, isolated RS232, and isolated RS422/485 interfaces. The S232o specifically supports RS232 master to isolated RS232 slave communication. - **Auto Data Direction Control (for RS485 models):** Although not applicable to the S232o, the S400 platform supports automatic data direction control for RS485 configurations, simplifying half-duplex communication setups. - **LED Status Indicators:** Four LED indicators provide real-time visual feedback for power and data transmission/reception activity on each port (A, B, C, D). - **Compact Industrial Design:** Housed in a durable enclosure measuring 90 mm (W) × 150 mm (L) × 27 mm (H), suitable for desktop or panel mounting in industrial control systems. - **Low Power Consumption:** Operates at 5 VDC with a typical current draw of 400 mA, ensuring energy-efficient operation. - **Wide Environmental Tolerance:** Designed for operation in environments with temperatures from 0°C to 55°C and humidity up to 95% RH. - **Plug-and-Play Integration:** Uses standard DB9 male connectors for all ports, ensuring compatibility with existing RS232 cabling and equipment. - **Reliable Data Handling:** Ensures that only one slave device transmits to the master at any given time, preventing data collisions and maintaining communication integrity.

Manufacturer: Rayon

Category: RS232 Port Sharer

- **One-to-Three Port Sharing:** Allows one master device (RS232 interface) to communicate with up to three slave devices (RS422/485 interfaces) simultaneously. - **Full Electrical Isolation:** Both the master and slave ports are galvanically isolated, providing ground isolation between external devices and the S234io unit. This prevents ground loops and electrical interference, ensuring stable and reliable data transmission. - **Dual Isolation Architecture:** Supports double ground isolation between any two external devices, enhancing protection against voltage surges and signal noise. - **Flexible Interface Configuration:** The master port (Port A) operates as an isolated RS232 interface, while the three slave ports (Ports B, C, D) can be configured as isolated RS422 or RS485 interfaces via DIP switch selection. - **Auto Data Direction Control (RS485 Mode):** In RS485 mode, the S234io automatically manages data direction control, eliminating the need for manual RTS signal handling. TX+ and RX+ lines are shorted as DATA+, and TX– and RX– lines are shorted as DATA–. - **Simultaneous Data Distribution:** Data received from the master port (A) is broadcast to all three slave ports (B, C, D) simultaneously. Conversely, data from any slave port is transmitted only to the master port, ensuring controlled communication flow. - **LED Status Indicators:** Four independent LED indicators display power and data activity for each port, simplifying diagnostics and monitoring. - **Compact and Durable Design:** The S234io features a compact metal enclosure measuring 90 mm (W) × 150 mm (L) × 27 mm (H), suitable for desktop or panel-mounted installations. - **Universal Power Compatibility:** Operates with a wide-range AC input (100–240 VAC) through the UP110/UP220 power adapter, providing a regulated 5 VDC output. - **Low Power Consumption:** Typical current draw is 400 mA at 5 VDC, making it energy-efficient for continuous operation. - **Industrial-Grade Environmental Tolerance:** Designed for operation in environments with temperatures from 0°C to 55°C and humidity levels up to 95% RH.

Manufacturer: Rayon

Category: RS232 Port Sharer

- **One-to-Three Port Sharing:** Enables a single RS232 master device to communicate with up to three isolated RS485/422 slave devices simultaneously. - **Electrical Isolation:** Each slave port is galvanically isolated, providing enhanced protection against ground loops, surges, and electrical noise. - **Multi-Protocol Support:** Supports both RS485 and RS422 communication standards, selectable via DIP switch configuration. - **Auto Data Direction Control:** Built-in automatic data direction control for RS485 mode eliminates the need for manual RTS signal handling, simplifying integration. - **Flexible Interface Configuration:** The S400 series architecture allows various combinations of master and slave interface types (RS232, RS422/485, isolated variants). - **Compact Industrial Design:** Rugged metal enclosure with compact dimensions (90 × 150 × 27 mm) suitable for panel or desktop installation. - **LED Status Indicators:** Dedicated LEDs for power and data activity on each port (PWR, ATRX, BTRX, CTRX, DTRX) provide real-time operational feedback. - **Low Power Consumption:** Operates efficiently at 400 mA @ 5 VDC, minimizing power requirements in embedded or distributed systems. - **Universal Power Adapter:** Compatible with 100–240 VAC input via UP110/UP220 adapters, providing 5 VDC regulated output. - **High Reliability:** Designed for continuous operation in industrial temperature and humidity ranges, ensuring stable performance in demanding environments.

Manufacturer: Rayon

Category: RS232 Port Sharer

- **One-to-Three Port Sharing:** Allows one master device to communicate with up to three slave devices simultaneously. - **Interface Flexibility:** Supports RS232 and RS422/485 serial communication standards. - **Isolated Master Port:** The master port (RS422/485) is galvanically isolated to prevent ground loops and protect connected equipment from electrical surges. - **Auto Data Direction Control:** For RS485 operation, the device automatically manages data direction, simplifying configuration and ensuring reliable half-duplex communication. - **Compact and Robust Design:** Housed in a durable enclosure measuring 90 mm × 150 mm × 27 mm, suitable for industrial and embedded environments. - **LED Indicators:** Four independent LED indicators (PWR, ATRX, BTRX, CTRX, DTRX) provide real-time status of power and data transmission activity. - **Low Power Consumption:** Operates at 5 VDC with a typical current draw of 400 mA. - **Wide Environmental Tolerance:** Designed for operation in ambient temperatures from 0°C to 55°C and humidity levels up to 95% RH. - **Ease of Integration:** Standard DB9 male connectors for all ports ensure compatibility with common serial cables and devices. - **Part of a Modular System:** The S432i integrates seamlessly with other S400 Series models (e.g., S232, S234io, S434io) for scalable serial communication networks.

Manufacturer: Rayon

Category: RS232 Port Sharer

- **One-to-Three Port Sharing:** Allows one master port (RS422/485) to communicate with three slave ports (RS232) simultaneously. Data from the master is broadcast to all slaves, while data from any slave is directed only to the master. - **Full Electrical Isolation:** Both the master and slave ports are galvanically isolated, providing protection against ground loops, electrical noise, and potential differences between connected devices. - Ground isolation between external devices and the S432io box. - Double ground isolation between any two external devices. - **Flexible Interface Configuration:** The master port supports both RS422 and RS485 standards, selectable via DIP switch. The slave ports operate as isolated RS232 interfaces. - **Auto Data Direction Control (RS485):** The RS485 master port supports automatic data direction control, simplifying communication setup and eliminating the need for manual RTS signal management. - TX+ and RX+ can be shorted as DATA+ - TX– and RX– can be shorted as DATA– - **Compact and Durable Design:** Housed in a compact 90 × 150 × 27 mm enclosure, suitable for desktop or panel-mounted industrial environments. - **LED Status Indicators:** Four independent LED indicators display power and communication activity for each port (A, B, C, D). - **Universal Power Supply:** Operates with a 100–240 VAC input power adapter, outputting 5 VDC at 1000 mA. The device consumes approximately 400 mA at 5 VDC. - **Wide Environmental Tolerance:** Designed for industrial operating conditions with temperature and humidity resilience. - **Part of a Modular System:** Compatible with other Rayon S400 Series models (S232io, S434io, S234io), enabling scalable multi-segment serial communication networks.

Manufacturer: Rayon

Category: RS232 Port Sharer

- **One-to-Three Port Sharing:** The S434io allows a single master RS422/485 port (Port A) to communicate with three independent, isolated RS422/485 slave ports (Ports B, C, and D). Data from the master is broadcast to all slaves simultaneously, while responses from any slave are directed only to the master. - **Full Electrical Isolation:** Both the master and slave ports are galvanically isolated, ensuring protection against ground loops, electrical noise, and potential differences between connected devices. This isolation enhances system reliability in electrically noisy or distributed environments. - **Dual Ground Isolation:** The device supports double ground isolation—between the external devices and the S434io unit, and between each external device connected to the slave ports. This feature is critical for industrial automation systems where multiple devices may operate on different ground potentials. - **RS422/RS485 Interface Flexibility:** Each port can be configured as RS422 or RS485 via DIP switch settings. This flexibility allows the S434io to adapt to various serial communication standards and system architectures. - **Auto Data Direction Control (RS485 Mode):** In RS485 mode, the S434io automatically manages data direction control, eliminating the need for manual RTS signal handling. TX+ and RX+ lines are shorted as DATA+, and TX– and RX– lines as DATA–, simplifying wiring and configuration. - **LED Status Indicators:** Four independent TX/RX activity LEDs (ATRX, BTRX, CTRX, DTRX) provide real-time communication status for each port, along with a dedicated power indicator (PWR). - **Compact and Robust Design:** The unit’s compact aluminum enclosure (90 × 150 × 27 mm) is designed for industrial environments, offering durability and ease of installation. - **Universal Power Input:** Operates with a 100–240 VAC input power adapter, outputting 5 VDC at 1000 mA. The device consumes approximately 400 mA at 5 VDC. - **Wide Environmental Tolerance:** Designed for operation in ambient temperatures from 0°C to 55°C and humidity levels from 10% to 95% RH, making it suitable for a wide range of industrial and field applications.

Manufacturer: Rayon

Category: RS232 Port Sharer

- **Dual Serial Interfaces:** - One RS232 port (Serial Port 1) - One ground-isolated RS422/RS485 port (Serial Port 2) - **Ethernet Connectivity:** - 10/100 Mbps auto-detecting Ethernet interface (RJ45 connector) - Supports TCP/IP and UDP/IP communication modes - **Virtual COM Port Support:** - Two virtual COM ports for monitoring and triggering data transmission - Windows NT/2000/XP/Vista/7 virtual COM drivers - Linux raw TTY and SCO UNIX real TTY drivers - **Isolation and Safety:** - Ground isolation between RS232 and RS422/RS485 interfaces - Protects against ground loops and electrical noise in industrial environments - **Monitoring and Data Logging:** - Real-time monitoring of serial data transmission over IP - Data logging for diagnostic and analysis purposes - Enables remote troubleshooting without altering the original communication environment - **Flexible Operation Modes:** - TCP Server/Client mode - UDP Send/Receive mode - Web, Telnet, and terminal-based configuration interfaces - **High Performance Embedded System:** - 32-bit 100 MHz MIPS RISC CPU - 16 MB Flash ROM and 16 MB SDRAM - Supports data rates up to 230.4 kbps - **Compact and Robust Design:** - Industrial-grade enclosure - Compact dimensions suitable for control panels and embedded systems - **Cross-Platform Compatibility:** - Works with Windows, Linux, and UNIX systems - Supports integration with SCADA, HMI, and industrial automation software

Manufacturer: Rayon

Category: Serial Data Logger

- **Dual RS232 Ports:** One standard RS232 port and one ground-isolated RS232 port (DB9 male connectors). - **Ethernet Connectivity:** Auto-detecting 10/100 Mbps RJ45 interface supporting 100Base-T Ethernet. - **Isolation Function:** Provides galvanic isolation between two RS232 devices to eliminate ground loops and protect against potential differences. - **Monitoring Capability:** Two virtual COM ports allow simultaneous monitoring of bidirectional serial data transmission over IP. - **Data Logging:** Acts as a serial data logger, capturing and recording communication sequences for analysis. - **High-Speed Serial Communication:** Supports baud rates up to 230,400 bps. - **Embedded Processor:** 32-bit 100 MHz MIPS RISC CPU for efficient data handling. - **Memory Resources:** 16 MB Flash ROM and 16 MB SDRAM for firmware and buffer storage. - **Cross-Platform Driver Support:** - Windows NT/2000/XP/Vista/7 virtual COM drivers - Linux raw TTY driver - SCO UNIX real TTY driver - **Flexible Network Modes:** Supports TCP Server/Client and UDP Send/Receive modes. - **Web and Telnet Configuration:** Built-in web server and Telnet interface for remote setup and management. - **Low Power Consumption:** Operates at 5 VDC, 1200 mA. - **Compact Design:** Rugged enclosure suitable for industrial environments. - **Operating Environment:** Designed for 5–40°C operation and up to 90% relative humidity. - **Applications:** Ideal for industrial automation, SCADA systems, PLC monitoring, serial device debugging, and remote diagnostics.

Manufacturer: Rayon

Category: Serial Data Logger

- **Dual Virtual COM Ports:** Supports two independent virtual COM ports for monitoring and controlling serial data transmission. - **Multi-Protocol Serial Interface:** Each port can be configured as RS232, RS422, or RS485 via DIP switch or software setup. - **Ethernet Connectivity:** 10/100 Mbps auto-detecting Ethernet interface with RJ45 connector for LAN integration. - **Real-Time Monitoring:** Enables real-time observation of serial data flow between devices through IP networks. - **Data Logging Capability:** Functions as a serial data logger for diagnostic and analytical purposes. - **Cross-Platform Driver Support:** - Windows NT/2000/XP/Vista/7 virtual COM drivers - Linux raw TTY driver - SCO UNIX real TTY driver - **Flexible Network Modes:** Supports TCP Server/Client and UDP Send/Receive modes for versatile network deployment. - **Web, Telnet, and Console Configuration:** Multiple configuration interfaces for easy setup and management. - **High-Speed Serial Communication:** Supports baud rates up to 230,400 bps. - **Compact and Efficient Design:** Small form factor (92 × 118 × 27 mm) with low power consumption (5VDC @ 1200mA). - **RISC Architecture:** Powered by a 32-bit 100 MHz MIPS CPU with 16 MB Flash ROM and 16 MB SDRAM for stable performance. - **Industrial Reliability:** Designed for continuous operation in industrial and laboratory environments. - **Monitoring and Triggering:** Any data received on one serial port can be mirrored to the other port and corresponding virtual COM port, allowing simultaneous monitoring and control.

Manufacturer: Rayon

Category: Serial Data Logger

- **Triple Functionality in One Unit:** - RS-232 to RS-232 ground-isolated bridge - RS-232 to RS-422 converter - RS-232 to RS-485 converter - **Full Ground Isolation:** Provides complete galvanic isolation between communication ports to prevent ground loops and protect connected equipment from voltage differentials and electrical noise. - **Auto Data Direction Control (RS-485):** Automatically manages data flow direction in half-duplex RS-485 communication, eliminating the need for manual RTS control. - **RTS/CTS Handshake Support (RS-422):** Enables hardware flow control for full-duplex RS-422 communication. - **Wide Baud Rate Range:** Supports data rates from 50 to 230,400 baud, ensuring compatibility with a broad range of serial devices. - **Flexible Power Input:** Accepts 9–32 VDC input via screw terminal or standard DC power adapter, suitable for 12V and 24V industrial environments. - **User-Configurable DIP Switch Settings:** Allows selection between RS-422 and RS-485 modes and insertion of termination resistors. - **LED Status Indicators:** Provides visual feedback for power, transmit, receive, and handshake signals (PWR, TXD, RXD, RTS, CTS). - **Compact and Durable Design:** Housed in a robust metal case for industrial reliability and electromagnetic shielding. - **Extended Environmental Tolerance:** Designed for operation in industrial temperature and humidity ranges.

Manufacturer: Rayon

Category: Serial Data Logger

- **Multi-Interface Conversion:** Supports RS-232 to RS-232, RS-232 to RS-422, and RS-232 to RS-485 conversions in one device. - **Full Ground Isolation:** Each communication port is fully isolated to prevent ground potential differences and protect connected equipment. - **Auto Data Direction Control (RS-485):** Automatically manages data flow direction on RS-485 networks, eliminating the need for manual RTS control. - **LED Indicators:** Dedicated LEDs for power and data transmission (TX/RX) on each port provide real-time communication status. - **Flexible Configuration:** DIP switch settings allow users to select interface modes (RS-422 or RS-485) and operational parameters. - **Compact and Durable Design:** Housed in a robust enclosure measuring 90 × 150 × 27 mm, suitable for desktop or panel installation. - **Wide Power Compatibility:** Operates from a 5V DC supply (typical 400 mA consumption) with included 100–240V AC adapter options. - **Environmental Resilience:** Designed for industrial environments with an operating temperature range of 0°C to 55°C and humidity tolerance up to 95% RH. - **Universal Serial Compatibility:** Supports standard DTE-type RS-232 pin assignments for seamless integration with PCs, PLCs, and other serial devices. - **Optional Accessories:** Includes optional null modem cables and terminal block adapters for flexible connectivity.

Manufacturer: Rayon

Category: Serial Data Logger

- **Dual Conversion Capability:** Two independent RS-232 to RS-422/RS-485 converters in one enclosure. - **Bridge and Repeater Functionality:** Operates as RS422↔RS422 repeater or RS485↔RS485 bridge. - **Flexible Mode Selection:** DIP switch selectable NORMAL (dual converter) or BRIDGE (repeater/bridge) mode. - **Full Ground Isolation:** Each RS-422/485 port is galvanically isolated to prevent ground loops and protect equipment. - **Auto Data Direction Control:** Automatic TX/RX switching for RS-485 half-duplex communication. - **Wide Baud Rate Support:** 50 to 230,400 baud. - **Industrial Power Range:** Accepts 9–32 VDC input at 2.5 W via screw terminal or DC jack. - **LED Indicators:** Power and TX/RX activity LEDs for both RS-232 ports. - **Compact Metal Enclosure:** Rugged 150 × 84 × 25 mm housing for industrial environments. - **Redundancy and Monitoring:** Dual-port design allows one converter to act as a live backup or monitoring channel. - **Configurable Termination:** 120 Ω termination resistor selectable via DIP switch. - **Compatibility:** Works with PC COM ports, PCI serial cards (P422I, P584, P588), and other RAYON interface modules. - **OEM Power Option:** RS-232 Port A pin 9 can be configured as DC power input for custom integration.

Manufacturer: Rayon

Category: Serial Data Logger

- **Dual Conversion Channels:** Two independent RS-232 to RS-422/RS-485 converter modules (Port A→B and Port D→C). - **Full Ground Isolation:** Complete galvanic isolation between RS-232 connectors, RS-422/RS-485 connectors, and internal logic circuits to prevent ground loops and electrical interference. - **Auto Data Direction Control:** Automatic transmit/receive direction management for RS-485 communication without software intervention. - **Selectable Interface Mode:** Each channel can be configured as full-duplex RS-422 or half-duplex RS-485 via DIP switch. - **LED Indicators:** Individual TX/RX activity LEDs for each port and a power status LED for easy monitoring. - **Redundancy and Backup Operation:** One converter module can serve as a live channel while the second acts as a hot standby or monitoring channel. - **Multi-Functional Design:** Operates as RS-232 isolator, RS-422 repeater, RS-485 bridge, or RS-422↔RS-485 interface converter. - **Compact and Rugged Construction:** Industrial-grade design with small footprint (90 × 150 × 27 mm) suitable for control cabinets and field installations. - **Flexible Power Input:** Operates from 5VDC (typical 400 mA) supplied via external AC adapter (100–240 VAC input). - **Wide Environmental Tolerance:** Operational temperature range from 0°C to 55°C and humidity up to 95% RH.

Manufacturer: Rayon

Category: Serial Data Logger

- **Multi‑Function Serial Converter:** Operates as an RS‑232 to RS‑232 ground isolator, RS‑232 to RS‑422/RS‑485 converter, RS‑422/RS‑485 repeater, or RS‑422/RS‑485 bridge. - **Triple‑Way Isolation:** Provides galvanic isolation between input, output, and power supply circuits to eliminate ground loops and protect connected equipment from transient voltages and stray currents. - **Double‑Barrier Isolation:** Ensures robust signal separation between input and output connectors, enhancing reliability in electrically noisy environments. - **Flexible Interface Configuration:** Each port can be independently configured for RS‑422 (full‑duplex) or RS‑485 (half‑duplex) operation via a 4‑bit DIP switch. - **Auto‑Data‑Direction Control:** In RS‑485 mode, the converter automatically manages data direction without requiring additional software or control signals. - **LED Status Indicators:** Dedicated LEDs for power and data transmission (TX/RX) on each port provide real‑time communication status monitoring. - **Multiple Connection Modes:** Supports combinations such as RS‑232↔RS‑232, RS‑232↔RS‑422, RS‑232↔RS‑485, RS‑422↔RS‑422, RS‑422↔RS‑485, and RS‑485↔RS‑485. - **Compact Industrial Design:** Rugged metal enclosure with DB9 connectors for secure serial connections. - **Wide Power Input Range:** Operates from a 5 V DC supply (typical 400 mA) using an included 100–240 V AC adapter. - **Environmental Robustness:** Designed for operation in ambient temperatures from 0 °C to 55 °C and humidity up to 95 % RH.

Manufacturer: Rayon

Category: Serial Data Logger

- **RS-232 to RS-232 Conversion:** Supports one RS-232 input and one RS-232 output channel, enabling seamless communication between two serial devices. - **Double Barrier Isolation:** Provides complete electrical isolation between input and output ports, preventing ground potential differences and protecting connected equipment. - **Triple Way Isolation:** Isolates the signal ground, power ground, and communication lines, effectively breaking any ground loop or stray current path. - **LED Indicators:** Equipped with dedicated LED indicators for power (PWR) and data transmission (TXD/RXD) on both Serial1 and Serial2 ports, allowing real-time monitoring of communication activity. - **Industrial Reliability:** Designed for continuous operation in industrial environments with wide temperature and humidity tolerance. - **Compact and Durable Design:** Housed in a robust enclosure measuring 92 mm (W) × 118 mm (L) × 27 mm (H), suitable for panel or desktop installation. - **Low Power Consumption:** Operates on a 5 VDC power supply with a typical current draw of 300 mA. - **Plug-and-Play Operation:** No driver installation required; compatible with standard RS-232 interfaces. - **Ground Isolation:** Each serial port is ground-isolated from the power input, ensuring safe and interference-free operation. - **Compatibility:** Works with a wide range of RS-232 devices such as PLCs, industrial controllers, data loggers, and communication terminals.

Manufacturer: Rayon

Category: Serial Data Logger

- **Universal Serial Input:** Supports one configurable input interface selectable between RS-232, RS-422, or RS-485 via DIP switch settings. - **Ground-Isolated RS-232 Output:** Provides one isolated RS-232 output port, ensuring electrical separation between connected devices. - **Flexible Conversion Modes:** Operates as: - RS-232 to Ground-Isolated RS-232 Isolator - RS-422 to Isolated RS-232 Converter - RS-485 to Isolated RS-232 Converter - **Auto Data Direction Control:** Built-in automatic data direction management for RS-485 communication, eliminating the need for manual control signals. - **LED Indicators:** Dedicated LEDs for power and data transmission status on both input and output ports (TXD/RXD activity). - **Dual DB9 Connectors:** Two male DB9 connectors for straightforward serial connectivity. - **Compact and Durable Design:** Small form factor (92 × 118 × 27 mm) suitable for desktop or embedded applications. - **Wide Environmental Tolerance:** Operates reliably in temperatures from 0°C to 55°C and humidity up to 95% RH. - **Low Power Consumption:** Operates on 5 VDC with a typical current draw of 200 mA. - **Safety and Reliability:** Provides galvanic isolation to prevent ground loops and protect connected equipment from electrical interference. - **Ease of Configuration:** DIP switch selectable interface modes simplify setup and reconfiguration. - **Compatibility:** Works seamlessly with Rayon’s TB485 terminal block kit and other related interface converters such as TWIN485 and ULOG310-I.

Manufacturer: Rayon

Category: Serial Data Logger

- **Dual RS-422/RS-485 Interface:** Supports one RS-422/RS-485 input and one RS-422/RS-485 output, configurable via DIP switch. - **Triple Way Isolation:** Provides complete isolation between input, output, and power supply circuits, effectively breaking ground loops and preventing signal interference. - **Double Barrier Isolation:** Ensures enhanced electrical protection between communication channels, improving system reliability in industrial environments. - **Versatile Operation Modes:** - RS-422 to RS-422 isolated repeater - RS-485 to RS-485 isolated bridge - RS-422 to RS-485 isolated converter - **LED Indicators:** Dedicated LEDs for power and data transmission activity on each port (TXD/RXD indicators). - **User-Configurable Interface:** Easily switch between full-duplex RS-422 and half-duplex RS-485 modes using onboard DIP switches. - **Standard Connectors:** Equipped with two male DB9 connectors for input and output ports. - **Compact Industrial Design:** Rugged enclosure measuring 92 × 118 × 27 mm, suitable for panel or desktop installation. - **Low Power Consumption:** Operates on 5 VDC with a typical current draw of 300 mA. - **Wide Environmental Tolerance:** Designed for industrial temperature and humidity ranges (0°C–55°C operating, up to 95% RH). - **Accessory Compatibility:** Supports optional TB485 DB9-to-terminal block adapter for flexible wiring.

Manufacturer: Rayon

Category: Serial Data Logger

- **Dual Isolation Design:** Provides double barrier isolation between RS-232 input and RS-422/RS-485 output, effectively eliminating ground loops and ensuring signal integrity in electrically noisy environments. - **Triple Way Isolation:** Incorporates triple isolation between RS-232, RS-422/RS-485, and power supply circuits for enhanced protection and system stability. - **Flexible Interface Configuration:** Easily configurable as **full-duplex RS-422** or **half-duplex RS-485** via onboard DIP switch settings. - **LED Indicators:** Independent LED indicators for power and data transmission (TX/RX) on both input and output ports, allowing real-time monitoring of communication activity. - **Industrial-Grade Design:** Rugged enclosure suitable for industrial automation, control systems, and data communication applications. - **Compact Form Factor:** Space-efficient housing (92 × 118 × 27 mm) suitable for panel or desktop installation. - **Ground Isolation:** Both RS-232 and RS-422/RS-485 ports are ground-isolated from the power input, preventing signal degradation and equipment damage. - **Standard Connectors:** Equipped with two male DB9 connectors for straightforward integration with existing serial equipment. - **Power Efficiency:** Operates on a stable 5 VDC supply with a typical current consumption of 300 mA. - **Wide Environmental Tolerance:** Designed for operation in ambient temperatures from 0°C to 55°C and humidity up to 95% RH. - **Accessory Compatibility:** Supports optional **TB485** terminal block adapter for converting DB9 connections to 3-pin terminal blocks for RS-485 wiring.

Manufacturer: Rayon

Category: Serial Data Logger

- **Four Independent Serial Ports:** Two RS232 ports (A, B) and two isolated RS422/RS485 ports (C, D). Each RS232 port is paired with a corresponding RS422/485 port (A↔C, B↔D) for dual converter functionality. - **USB 2.0 Interface:** High-speed USB 2.0 device controller with plug-and-play capability. Provides bus power and data communication to the host PC. - **Ground Isolation:** RS422/485 ports are galvanically isolated from RS232 and USB ground, preventing ground loops and ensuring safe operation in industrial environments. - **Auto Data Direction Control (ADDC):** Automatic transmit/receive switching for RS485 half-duplex communication. - **Selectable Interface Modes:** Each RS422/485 port can be configured via DIP switches for RS422, 2-wire RS485, or 4-wire RS485 operation, with optional 120 Ω termination. - **LED Indicators:** Individual TX/RX activity LEDs for each port (A–D) and a power indicator LED for visual status monitoring. - **High-Performance MOSCHIP MCS7840 Controller:** Integrated USB-to-multi-serial controller with 512-byte FIFO per port for efficient data buffering and reduced latency. - **USB Bus Powered (200 mA):** Operates directly from the USB port without external power supply; optional 5 V terminal input available for OEM integration. - **Metal Enclosure:** Durable, EMI-resistant housing suitable for industrial and laboratory environments. - **Comprehensive Software Support:** Compatible with Windows (32/64-bit) and Linux systems; includes drivers and RAYREAL monitoring software for real-time data analysis.

Manufacturer: Rayon

Category: Serial Data Logger