- **Four Serial Ports in One Module:** Provides two standard RS232 ports and two isolated RS232 ports, enabling simultaneous communication with multiple serial devices. - **USB 2.0 Interface:** Fully compliant with USB 2.0 specifications, ensuring high-speed data transfer and backward compatibility with USB 1.1 hosts. - **MOSCHIP MCS7840 Controller:** Utilizes the MCS7840 USB-to-serial bridge chip, supporting up to four independent serial channels with 512-byte FIFO buffers per port for efficient data handling. - **Electrical Isolation:** Two of the four ports are galvanically isolated RS232 interfaces, protecting connected equipment from ground loops and electrical noise. - **LED Indicators per Channel:** Each port features dedicated TX/RX activity LEDs (ATRD, BTRD, CTRD, DTRD) for real-time communication status monitoring, plus a PWR LED for power indication. - **Bus-Powered Operation:** Operates directly from the USB bus (5VDC, 400mA), eliminating the need for an external power supply. Optional self-powered versions (UTS400S) are available for higher current requirements. - **Compact Metal Enclosure:** Durable metal housing (90 × 150 × 27 mm) provides mechanical protection, EMI shielding, and improved heat dissipation. - **Flexible Configuration:** Supports RS232 and isolated RS232 interfaces; other models in the UTS400 series support RS422/RS485 or mixed configurations. - **Plug-and-Play USB Connectivity:** Supports hot-plugging and automatic COM port assignment under Windows operating systems. - **iSerial Feature Support:** When programmed with a unique EEPROM serial number, the MCS7840 controller retains consistent COM port assignments across different USB ports, simplifying multi-port system integration.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Multi-Port Design:** Provides four independent serial communication ports in one module — three RS232 ports and one isolated RS485/RS422 port. - **USB 2.0 Interface:** Fully compliant 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, integrated FIFO buffers, and support for multiple serial channels. - **512-Byte FIFO per Port:** Each serial port includes a 512-byte FIFO buffer to enhance data throughput and minimize latency during high-speed communication. - **Electrical Isolation:** The RS485/RS422 port is galvanically isolated, providing protection against ground loops and electrical noise in industrial environments. - **Auto Data Direction Control (RS485):** Automatically manages data direction in RS485 mode, simplifying configuration and ensuring reliable half-duplex communication. - **LED Indicators:** Individual LED indicators for each port (A, B, C, D) display transmit/receive activity, along with a dedicated power LED for system status monitoring. - **Bus-Powered Operation:** Draws power 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 mechanical protection and effective EMI shielding. - **Flexible Configuration:** RS422 or RS485 mode selectable via DIP switch; supports both 4-wire (RS422) and 2-wire (RS485) configurations. - **Hot-Pluggable USB Interface:** Supports plug-and-play installation without requiring system reboot. - **iSerial Feature Support:** When programmed with a unique EEPROM serial number, the MCS7840 chip retains consistent COM port assignments across different USB ports. - **Wide Environmental Tolerance:** Designed for industrial and commercial environments with operating temperature range from 0°C to 55°C and humidity up to 95% RH.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Dual-Port Design:** Supports two independent serial communication ports in one module: - Port 1: Configurable RS232/RS422/RS485 interface. - Port 2: Ground-isolated RS422/RS485 interface. - **USB 2.0 Interface:** High-speed USB 2.0 device controller ensures reliable data transfer and compatibility with modern systems. - **ASIX MCS7820 Chipset:** Utilizes the ASIX MCS7820 USB-to-serial controller for stable performance and advanced serial communication features. - **512-Byte FIFO Buffer:** Each serial port includes a 512-byte FIFO buffer for efficient data handling and reduced latency. - **Auto Data Direction Control (ADDC):** Automatically manages data flow direction in RS485 mode, simplifying half-duplex communication. - **LED Indicators:** Dedicated LEDs for power and data activity on each port (PWR, Serial1, Serial2). - **Ground Isolation:** Port 2 is fully isolated from the USB bus and Port 1, eliminating ground loop interference and enhancing safety in industrial environments. - **Flexible Configuration:** DIP switch settings allow users to select between RS232, RS422, or RS485 modes for each port. - **Compact Metal Enclosure:** Rugged metal housing provides electromagnetic shielding and mechanical durability. - **Bus-Powered Operation:** Draws power directly from the USB port (5VDC, 200–400mA), eliminating the need for an external power supply. - **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-Port Serial Expansion:** Provides four independent serial communication ports—three standard RS232 and one isolated RS232—through a single USB 2.0 interface. - **USB 2.0 Compliance:** Fully compliant with USB 2.0 specifications, ensuring high-speed data transfer and backward compatibility with USB 1.1 hosts. - **MOSCHIP MCS7840 Controller:** Utilizes the MCS7840 USB-to-quad-serial controller chip, offering stable performance, low latency, and hardware FIFO buffering. - **512-Byte FIFO per Port:** Each serial channel includes a 512-byte transmit and receive FIFO buffer, minimizing data loss and improving throughput. - **LED Indicators:** Dedicated LED indicators for each port (A, B, C, D) display TX/RX activity, along with a power indicator for system status monitoring. - **Bus-Powered Operation:** Draws power directly from the USB bus (5VDC, 400mA), eliminating the need for an external power supply. - **Isolated Serial Channel:** One RS232 port is galvanically isolated, providing electrical protection and noise immunity for sensitive equipment. - **Compact Metal Enclosure:** Durable 90 × 150 × 27 mm metal housing ensures electromagnetic shielding and mechanical protection. - **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 controller retains consistent COM port numbering across USB ports. - **Flexible Configuration:** Compatible with other UTS400 variants supporting RS422/485 interfaces, allowing system integrators to select models for specific communication standards.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Dual-Port Design:** Provides two independent serial communication ports in one compact enclosure: - Port 1: Configurable RS232/RS422/RS485 interface - Port 2: Ground-isolated RS232 interface for safety-critical applications - **USB 2.0 Interface:** Fully compliant with USB 2.0 specifications, ensuring high-speed data transfer and plug-and-play compatibility with modern systems. - **ASIX MCS7820 Chipset:** Utilizes the ASIX MCS7820 USB-to-serial controller, known for stability, low latency, and support for the iSerial feature when EEPROM is programmed with a unique serial number. - **512-Byte FIFO per Port:** Each serial port includes a 512-byte FIFO buffer for efficient data handling and reduced CPU overhead. - **Auto Data Direction Control (RS485 Mode):** Automatically manages data direction in RS485 half-duplex communication, eliminating the need for manual control signals. - **Ground Isolation:** Port 2 is galvanically isolated from the USB bus and Port 1, preventing ground loops and protecting connected equipment from electrical noise or surges. - **LED Indicators:** Dedicated LEDs for power and data activity on each port: - **PWR:** Indicates USB power status - **Serial1:** TXD/RXD activity for Port 1 - **Serial2:** TXD/RXD activity for Port 2 - **Compact Metal Enclosure:** Durable metal housing (92 × 118 × 27 mm) provides electromagnetic shielding and mechanical protection. - **Bus-Powered Operation:** Draws power directly from the USB port (5 VDC, 200 mA typical), eliminating the need for an external power supply. - **Flexible Configuration:** DIP switch selectable interface modes for Port 1 (RS232, RS422, or RS485) and Port 2 (RS232). - **Safety and Reliability:** Designed for industrial and “rigid” environments requiring isolation and stable communication.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Four RS232 Ports in One Module:** Provides four independent RS232 serial interfaces (Ports A, B, C, D) in a single compact enclosure, ideal for multi-device connectivity. - **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. - **MOSCHIP MCS7840 Controller:** Integrates a proven USB-to-serial bridge controller supporting multiple UART channels, FIFO buffering, and iSerial functionality for consistent COM port assignment. - **512-Byte FIFO per Serial Port:** Each RS232 channel includes a 512-byte transmit/receive FIFO buffer, minimizing data loss and improving throughput for high-speed serial communication. - **LED Indicators per Channel:** Individual TX/RX activity LEDs (ATRD, BTRD, CTRD, DTRD) for each port, plus a power indicator (PWR), provide real-time operational status. - **Bus-Powered Operation:** Draws power directly from the USB host (5VDC, 400mA typical), eliminating the need for an external power supply. - **Compact Metal Enclosure:** Rugged 90 × 150 × 27 mm metal case provides EMI shielding and mechanical durability for industrial environments. - **Flexible Series Options:** The UTS400 series includes variants supporting isolated RS232, RS422, and RS485 interfaces (e.g., UTS040, UTS004, UTS485), offering scalability for different communication standards. - **Optional Self-Powered Version (UTS400S):** Available for applications requiring external 5VDC power input via adapter. - **iSerial Feature Support:** When programmed with a unique EEPROM serial number, the MCS7840 chipset retains consistent COM port assignments across different USB ports, simplifying system configuration.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Four Serial Ports in One Module:** Supports two RS232 ports and two ground-isolated RS422/RS485 ports, enabling simultaneous multi-protocol communication. - **USB 2.0 Device Controller:** Ensures high-speed data transfer and compatibility with modern USB interfaces. - **MOSCHIP MCS7840 Controller:** Provides stable performance with integrated 512-byte FIFO per serial port for efficient data buffering. - **Full Electrical Isolation:** RS422/RS485 ports are galvanically isolated to prevent ground loops and protect connected equipment. - **Auto Data Direction Control (RS485):** Automatically manages data flow direction in half-duplex RS485 mode, simplifying network communication. - **Selectable Interface via DIP Switch:** Each isolated port can be configured as RS422 or RS485, with optional termination resistor insertion. - **LED Indicators per Channel:** Dedicated TX/RX activity LEDs for each port (A–D) and a power indicator for quick status monitoring. - **Bus-Powered Operation:** Draws power directly from the USB bus (200 mA typical), eliminating the need for an external power supply. - **Compact Metal Enclosure:** Durable and EMI-resistant housing suitable for industrial environments. - **Cross-Platform Driver Support:** Compatible with Windows (Vista32/64, XP, WinCE, WHQL-certified), macOS, and Linux (kernel 2.6+). - **Fixed COM Port Assignment:** Integrated EEPROM ensures consistent COM port numbering across USB ports and sessions. - **Flexible Redundancy and Monitoring:** Ideal for redundant communication setups and real-time data monitoring in RS485 networks.

Manufacturer: Rayon

Category: USB RS232 Converter

- **Bidirectional Conversion:** Converts unbalanced RS‑232 signals to balanced RS‑422/RS‑485 signals and vice versa. - **High Data Rate:** Supports transmission speeds up to **921.6 kbps** over short distances (≤ 500 ft / 0.15 km). - **Long‑Distance Communication:** Operates up to **4000 ft (1.2 km)** at 115.2 kbps. - **Selectable Communication Modes:** - 4‑wire full‑duplex (RS‑422 or RS‑485) - 2‑wire half‑duplex (RS‑485) - Point‑to‑point, multidrop, simplex, and self‑test configurations supported. - **RTS Control:** Transmit driver can be controlled automatically or via RTS signal. - **LED Indicators:** Visual status indicators for **TxD**, **RxD**, **RTS**, and **Power**. - **Flexible Power Input:** Operates from **9 – 30 V DC**, 150 mA, via external adapter or terminal block pins. - **Compact and Lightweight:** 90 × 60 × 21 mm, 76 g. - **Industrial‑Grade Design:** Rugged enclosure with internal configuration switches protected from accidental changes. - **Mounting Options:** Includes wall/surface mounting kit with plastic plates and screws. - **Protection Features:** Built‑in resistor to prevent over‑current between remote and local grounds. - **Compatibility:** Supports standard RS‑232 control signals (TxD, RxD, DTR, DSR, RTS, CTS, DCD, GND).

Manufacturer: Moxa

Category: RS232 RS485 Converter

- **Bidirectional Signal Conversion:** Converts RS-232 signals to RS-422 or RS-485 and vice versa, supporting full-duplex (4-wire) and half-duplex (2-wire) communication modes. - **High Isolation Protection:** Provides 2000 V isolation between RS-232 and RS-422/485 interfaces, protecting connected equipment from ground loops and voltage surges. - **Flexible Operation Modes:** Selectable via internal switches for full/half-duplex operation and RTS-controlled transmission. - **High-Speed Data Transmission:** Supports data rates up to 921.6 kbps over distances up to 500 ft (0.15 km), and up to 115.2 kbps over 4000 ft (1.2 km). - **LED Indicators:** Front-panel LEDs display power, transmit (TxD), receive (RxD), and RTS signal status for easy diagnostics. - **Multiple Connectors:** Equipped with both RJ-45 and terminal block connectors for RS-422/485 interfaces, and RJ-45 for RS-232. - **Wide Power Input Range:** Operates from 9 to 30 VDC, consuming approximately 150 mA. - **Compact and Lightweight:** Measures 90 × 60 × 21 mm and weighs approximately 80 g. - **Industrial Durability:** Designed for industrial automation, process control, and remote device communication. - **Mounting Options:** Includes plastic mounting plates and screws for wall or surface installation.

Manufacturer: Moxa

Category: RS232 RS485 Converter

- **Bi-directional Serial Conversion:** Converts RS-232 signals to RS-422 or RS-485 and vice versa, enabling communication between legacy serial devices and modern industrial networks. - **Automatic Data Direction Control (ADDC):** Built-in ADDC intelligence eliminates the need for manual baud rate or direction control settings, simplifying RS-485 half-duplex communication. - **High-Speed Data Transmission:** Supports baud rates up to 921.6 Kbps without requiring switch configuration. - **Flexible Interface Options:** Provides RJ45 and terminal block connectors for RS-422/485 connections, and RJ45 for RS-232. - **Comprehensive Signal Support:** RS-232 signals include TxD, RxD, RTS, CTS, DTR, DSR, DCD, and GND; RS-422/485 signals include TxD±, RxD±, RTS±, CTS±, and GND. - **Protection and Reliability:** - TVS protection on all RS-422/485 lines (ESD 8 kV, EFT 2 kV). - Overload protection for shorted signal pairs. - Built-in 120 Ω termination resistor (jumper-selectable for RS-485). - **LED Indicators:** Five LEDs (PWR, TxD, RxD, RTS, CTS) provide real-time status of power and signal activity. - **Compact and Durable Design:** Small form factor (90 × 60 × 21 mm) with wall-mounting capability. - **Wide Power Input Range:** Operates from +9 VDC to +30 VDC, supporting industrial 24 VDC systems. - **Multi-drop Capability:** Supports up to 32 RS-485 devices over distances up to 1.2 km. - **Compliance:** CE approved for industrial use.

Manufacturer: Moxa

Category: RS232 RS485 Converter

- **Bidirectional Conversion:** Converts RS-232 signals to RS-422 or RS-485 and vice versa, allowing seamless communication between different serial standards. - **High-Speed Data Transmission:** Supports baud rates up to **921.6 kbps** without requiring manual switch configuration. - **Automatic Data Direction Control (ADDC):** Built-in ADDC intelligence automatically manages data flow in RS-485 half-duplex mode, eliminating the need for software-based control or manual RTS toggling. - **Selectable Operation Modes:** Supports both **4-wire full-duplex RS-422** and **2-wire half-duplex RS-485** modes, selectable via DIP switches. - **Flexible Control Options:** RS-485 data direction can be controlled automatically (ADDC) or manually via RTS signal. - **Comprehensive Signal Support:** - RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND - RS-422: TxD±, RxD±, RTS±, CTS±, GND - RS-485: Data±, GND - **LED Indicators:** Five LEDs display power and signal status for TxD, RxD, RTS, CTS, and PWR, providing real-time communication diagnostics. - **Protection Features:** - **TVS protection** for all RS-422/485 signals (ESD 8 kV, EFT 2 kV) - **Overload protection** for shorted signal lines - **Optical isolation (2 kV DC)** available on A53 variant - **Built-in Termination:** Integrated 120 Ω termination resistor selectable via jumper for RS-485 mode. - **Multi-Drop Capability:** Supports up to **32 devices** in RS-485 multi-drop configuration over distances up to **1.2 km**. - **Power Flexibility:** Operates from **+9 VDC to +30 VDC**, compatible with industrial 24 VDC systems. - **Compact and Lightweight:** Designed for easy integration in control panels or field installations. - **CE Certified:** Meets European safety and EMC standards.

Manufacturer: Moxa

Category: RS232 RS485 Converter

- **Bi-directional Serial Conversion:** Converts RS-232 signals to RS-422 or RS-485 and vice versa, enabling communication between legacy serial devices and modern industrial control systems. - **Automatic Data Direction Control (ADDC):** Built-in ADDC intelligence automatically manages data flow direction in RS-485 half-duplex communication, eliminating the need for manual RTS control or baud rate configuration. - **High-Speed Data Transmission:** Supports baud rates up to 921.6 Kbps without requiring switch settings, ensuring fast and stable communication. - **Optical Isolation (A53 only):** Provides 2 kV DC optical isolation on all RS-422/485 signal lines, protecting connected equipment from ground loops and electrical surges. - **Robust Electrical Protection:** - TVS (Transient Voltage Suppression) protection on all RS-422/485 signals. - ESD protection up to 25 kV (contact discharge). - EFT (Electrical Fast Transient) protection up to 2 kV. - Overload protection for shorted signal lines. - **Flexible Interface Options:** - RS-232 via RJ45 connector. - RS-422/485 via RJ45 or terminal block connector. - **LED Status Indicators:** Five LEDs (PWR, TxD, RxD, RTS, CTS) provide real-time status of power and signal activity. - **Wide Power Input Range:** Operates from +9 VDC to +30 VDC, compatible with standard industrial 24 VDC power systems. - **Compact and Durable Design:** Small form factor (90 × 60 × 21 mm) with wall-mounting capability for easy integration into control panels or enclosures. - **Multi-drop Capability:** Supports up to 32 RS-485 devices over a distance of up to 1.2 km. - **CE Certified:** Meets European safety and EMC standards for industrial communication equipment.

Manufacturer: Moxa

Category: RS232 RS485 Converter

- **Bidirectional Serial Conversion:** Converts RS-232 signals to RS-422 or RS-485 and vice versa, enabling communication between legacy serial devices and modern industrial control systems. - **2kV Optical Isolation:** Provides galvanic isolation between RS-232 and RS-422/485 interfaces, protecting connected equipment from ground loops, surges, and electrical noise. - **High-Speed Data Transmission:** Supports baud rates up to 921.6 kbps without requiring manual switch configuration. - **Automatic Data Direction Control (ADDC):** Built-in intelligence automatically manages data flow direction in RS-485 half-duplex mode, eliminating the need for software-based control or RTS signal management. - **Selectable Operation Modes:** Supports both 4-wire full-duplex RS-422 and 2-wire half-duplex RS-485 modes, selectable via internal DIP switches. - **Flexible Control Options:** RS-485 data direction can be controlled automatically (ADDC) or manually via RTS signal. - **Comprehensive Signal Support:** RS-232 interface supports TxD, RxD, RTS, CTS, DTR, DSR, DCD, and GND signals; RS-422/485 interfaces support differential signal pairs for data and control lines. - **LED Indicators:** Five LEDs (PWR, TxD, RxD, RTS, CTS) provide real-time status of power and communication activity. - **Robust Protection:** TVS protection on all RS-422/485 lines (ESD up to 8 kV, EFT up to 2 kV) and overload protection for shorted signal lines. - **Built-in Termination:** Integrated 120 Ω termination resistor selectable via jumper for RS-485 mode. - **Multi-Drop Capability:** Supports up to 32 RS-485 devices over a distance of up to 1.2 km. - **Wide Power Input Range:** Accepts DC power from +9V to +30V; includes 230 VAC power adapter. - **Compact and Lightweight:** Small form factor (90 × 60 × 21 mm) and lightweight (80 g) for easy installation in space-constrained environments. - **Industrial Reliability:** Designed for harsh environments with CE approval and high immunity to electrical interference.

Manufacturer: Moxa

Category: RS232 RS485 Converter

- **High Surge Protection:** Provides up to 2000V transient voltage suppression on RS-232 lines, protecting connected devices from lightning-induced surges and industrial electrical noise. - **Non-Powered Operation:** The A60 requires no external power supply, simplifying installation and ensuring reliability in environments where power availability is limited. - **Comprehensive Signal Support:** Supports all standard RS-232 signals including TxD, RxD, DTR, DSR, RTS, CTS, DCD, and GND. - **LED Status Indicators:** Equipped with seven LED indicators (TxD, RxD, DTR, DSR, RTS, CTS, DCD) to display signal activity and line status for both local and remote ports. - **Compact and Lightweight Design:** Measures 90 × 60 × 21 mm and weighs only 68 g, allowing easy integration into existing setups or control panels. - **Dual Interface Options:** Offers both RJ-45 and terminal block connectors for flexible wiring and compatibility with various RS-232 devices. - **Industrial-Grade Construction:** Designed for harsh industrial environments, particularly factory automation systems where inductive loads and electrical noise are common. - **Mounting Flexibility:** Includes a plastic mounting kit with screws for wall or surface installation. - **Self-Test Capability:** Built-in loopback configuration allows users to verify device operation and cable integrity. - **Maintenance-Free Design:** Solid-state transient voltage suppressors ensure long-term reliability without periodic maintenance.

Manufacturer: Moxa

Category: RS232 RS485 Converter

RS-232 line driver, DCE/DTE selectable, 19,2kBd/s over 2km ..110bd/s over 30km, 90g, 85*53*26mm, Moxa

Manufacturer: No category

Category: RS232 RS485 Converter

- **Signal Conversion:** Converts RS-232 voltage-level signals to TTY current loop signals, enabling communication between modern serial devices and older current loop-based systems. - **Baud Rate Support:** Operates at data transmission speeds up to **19,200 baud**, ensuring compatibility with most standard serial communication rates. - **DCE/DTE Selectable:** The adapter can be configured as either DCE or DTE, allowing it to interface directly with terminals, modems, or other serial devices without additional crossover cables. - **Interface Connectors:** - **RS-232 Side:** Standard **DB25 female connector** for direct connection to serial ports. - **TTY Side:** **4-screw terminal block** providing secure wiring for 4-wire full-duplex current loop connections. - **Full-Duplex Operation:** Supports **4-wire full-duplex** communication, allowing simultaneous bidirectional data transmission. - **External Power Supply:** Operates from an external **230 VAC** mains power source, with an internal conversion to **DC 9V / 200mA** for stable operation. - **Compact Design:** Small form factor with dimensions of **71 × 53 × 21 mm**, suitable for desktop or panel-mounted installations. - **Industrial Reliability:** Designed for continuous operation in industrial or laboratory environments where robust signal conversion is required.

Manufacturer: No category

Category: RS232 RS485 Converter

- **RS-232 to RS-422/485 Conversion:** Enables seamless communication between RS-232 serial devices and RS-422 or RS-485 networks, supporting both 4-wire full-duplex and 2-wire half-duplex modes. - **Selectable RTS and DCE/DTE Configuration:** Provides flexibility for different serial communication setups, allowing users to configure the converter for either Data Terminal Equipment (DTE) or Data Communication Equipment (DCE) operation. - **Compact External Design:** Housed in a small, lightweight enclosure (75 × 54 × 19 mm, 60 g), suitable for desktop, panel, or field installation. - **Multiple Connection Interfaces:** - RS-232 side: DB25 connector (standard 25-pin D-sub interface). - RS-422/485 side: 4-screw terminal block and RJ11 connector for flexible wiring options. - **Integrated Power Supply:** Supplied with a 230V AC to 9V DC (200mA) power adapter, ensuring stable operation without requiring external power sources. - **Full-Duplex and Half-Duplex Support:** - 4-wire full-duplex for simultaneous two-way communication (RS-422 mode). - 2-wire half-duplex for bidirectional communication over a single pair (RS-485 mode). - **Signal Integrity and Noise Immunity:** Designed to maintain reliable data transmission over extended distances typical of RS-422/485 networks, minimizing signal degradation and interference. - **Plug-and-Play Operation:** Simple configuration and setup, requiring minimal technical intervention for standard serial communication applications.

Manufacturer: Moxa

Category: RS232 RS485 Converter

- **Interface Conversion:** Converts RS-232 signals to RS-422 or RS-485 standards, enabling communication between devices using different serial protocols. - **Electrical Isolation:** Provides up to **2 kV isolation** between the RS-232 and RS-422/485 sides, including both signal and power isolation, ensuring enhanced protection for connected equipment. - **Selectable Communication Mode:** Supports both **4-wire full-duplex (RS-422)** and **2-wire half-duplex (RS-485)** operation modes, allowing flexible configuration depending on network topology and communication requirements. - **RTS and DCE/DTE Selectable:** Configurable RTS (Request to Send) control and DCE/DTE (Data Communication Equipment/Data Terminal Equipment) selection for compatibility with a wide range of serial devices. - **Integrated Power Supply:** Includes a **230V AC power supply**, eliminating the need for an external adapter and simplifying system integration. - **Compact and Lightweight Design:** With dimensions of **75 × 54 × 19 mm** and a weight of **60 g**, the converter is suitable for space-constrained installations. - **High Data Rate:** Supports data transmission speeds up to **100 kB/s**, suitable for most industrial and automation communication applications. - **CE Certified:** Complies with European safety and electromagnetic compatibility standards, ensuring reliability and regulatory compliance.

Manufacturer: Moxa

Category: RS232 RS485 Converter

- **RS‑232 to RS‑422/485 Conversion:** Enables seamless communication between legacy RS‑232 devices and modern RS‑422/485 networks. - **RTS/CTS Handshaking Support:** Provides full hardware flow control for RS‑422 communication, ensuring reliable data transmission. - **Automatic Data Direction Control (ADDC®):** Automatically manages data flow direction in RS‑485 mode, eliminating the need for software‑based control. - **16 kV Surge Protection:** Industrial‑grade surge protection safeguards against transient voltage spikes, ensuring long‑term reliability in electrically noisy environments. - **Wide Baud Rate Range:** Supports data rates from 50 bps up to 921.6 kbps, accommodating a broad range of serial communication requirements. - **Flexible RS‑485 Configuration:** Supports both 2‑wire and 4‑wire RS‑485 modes, selectable via DIP switches. - **External Power Input:** Operates from 12 to 48 V DC, allowing integration into diverse industrial power systems. - **Compact and Durable Design:** Metal enclosure with dimensions of 67 × 100.4 × 22 mm and weight of approximately 148 g. - **DIN‑Rail and Wall Mounting:** Includes a DIN‑rail mounting kit (DK35A) for easy installation in control cabinets or panels. - **LED Indicators:** Front‑panel LEDs for Power, Tx, and Rx provide clear visual status of operation and communication activity. - **Wide Temperature Range:** Standard model operates from −20 to 60 °C; wide‑temperature variants (TCC‑100‑T) operate from −40 to 85 °C. - **High Reliability:** MTBF of over 3 million hours (MIL‑HDBK‑217F standard). - **Regulatory Compliance:** Certified to UL 60950‑1 safety standard and compliant with EMC/EMI standards including EN 55022/24 and FCC Part 15 Class B. - **Environmentally Friendly:** RoHS, CRoHS, and WEEE compliant.

Manufacturer: Moxa

Category: RS232 RS485 Converter

- **RS‑232 to RS‑422/485 Conversion:** Converts standard RS‑232 signals to RS‑422 or RS‑485 for extended communication distances and multi‑drop networking. - **2 kV Optical Isolation:** Provides galvanic isolation between RS‑232 and RS‑422/485 ports, protecting connected devices from voltage spikes, surges, and ground potential differences. - **16 kV Surge Protection:** Ensures high immunity to transient voltage surges, enhancing reliability in harsh industrial environments. - **Wide Baud Rate Range:** Supports data rates from **50 bps to 921.6 kbps**, accommodating both legacy and high‑speed serial applications. - **Automatic Data Direction Control (ADDC®):** Enables automatic switching between transmit and receive modes on RS‑485 networks, eliminating the need for software flow control. - **RS‑422 with RTS/CTS Support:** Provides hardware handshaking for full‑duplex RS‑422 communication. - **Flexible RS‑485 Configuration:** Supports both **2‑wire (half‑duplex)** and **4‑wire (full‑duplex)** RS‑485 modes, selectable via DIP switch. - **Industrial‑Grade Design:** Rugged metal housing, DIN‑rail and wall‑mount options, and extended operating temperature range for reliable field deployment. - **LED Indicators:** Front‑panel LEDs for **Power**, **Tx**, and **Rx** status simplify diagnostics and monitoring. - **Wide Power Input Range:** Operates from **12 to 48 VDC**, with built‑in protection against voltage reversal and overcurrent. - **Compact Form Factor:** Small footprint (67 × 100.4 × 22 mm) for easy integration into control panels or enclosures. - **Long MTBF:** Mean Time Between Failures of over **3 million hours**, ensuring long‑term reliability. - **Comprehensive EMC and Safety Compliance:** Certified to UL 60950‑1, EN 55022/24, and other industrial standards. - **RoHS and WEEE Compliant:** Environmentally friendly design meeting global green product directives.

Manufacturer: Moxa

Category: RS232 RS485 Converter

- **Universal Input Interface:** Supports one configurable RS232, RS422, or RS485 input port. - **Ground-Isolated Output:** Provides one ground-isolated RS422 or RS485 output port, ensuring electrical isolation between connected devices. - **Multiple Conversion Modes:** - RS232 → Isolated RS422/RS485 Converter - RS422 → Isolated RS422 Repeater - RS485 → Isolated RS485 Bridge - RS422 → Isolated RS485 Converter - **Auto Data Direction Control (ADDC):** Automatically manages data transmission direction in RS485 mode, eliminating the need for manual control signals. - **LED Indicators:** Dedicated LEDs for power and data transmission/reception on both ports for easy status monitoring. - **Flexible Configuration:** DIP switch settings allow users to select interface modes for both ports. - **Compact and Durable Design:** Housed in a robust enclosure suitable for industrial environments. - **Power Efficiency:** Operates on 5V DC with a typical current consumption of 300mA. - **Wide Environmental Tolerance:** Designed for operation in temperatures from 0°C to 55°C and humidity up to 95% RH. - **Compatibility:** Works seamlessly with RS232, RS422, and RS485 devices, including PLCs, sensors, controllers, and industrial PCs.

Manufacturer: Rayon

Category: RS232 RS485 Converter

- **Dual Isolated Channels:** Two independent 20 mA TTY current loop interfaces, each galvanically isolated to prevent ground loops and electrical interference. - **High Electrical Isolation:** Up to 1 kV isolation between channels and system ground, ensuring safe operation in electrically noisy environments. - **Integrated UART 16550 Controller:** Provides hardware buffering and efficient serial data handling, reducing CPU load and improving communication stability. - **Configurable Communication Parameters:** Supports baud rates up to 57,600 Bd, suitable for a wide range of industrial communication protocols. - **Flexible Port Address Selection:** Base addresses selectable via DIP switch among 03F8h, 02F8h, 03E8h, and 02E8h, allowing easy integration into existing systems. - **Interrupt Configuration:** Supports IRQ lines 3, 4, 5, 7, 9, 10, 11, and 12 for flexible system resource allocation. - **Enhanced Surge Protection:** Each channel protected by varistors rated up to 15 kV, safeguarding against transient voltage spikes and electrostatic discharge. - **Standard Connectors:** Two 9-pin D-sub (DE-9) connectors for straightforward connection to external devices. - **Compact Form Factor:** PCB dimensions of 165 mm × 106 mm, suitable for installation in standard industrial enclosures or PC-based control systems. - **Industrial-Grade Design:** Built for continuous operation in demanding environments, ensuring long-term reliability and signal integrity.

Manufacturer: No category

Category: RS232 RS485 Converter

- **Dual-Port 20mA TTY Interface:** Provides two independent, isolated current loop channels for full-duplex or half-duplex communication. - **Electrical Isolation:** Each port features galvanic isolation rated up to **1 kV**, protecting host systems from ground loops and electrical surges. - **High-Performance UART:** Equipped with **16950 UART** controllers, offering deep FIFO buffers and enhanced data handling for reliable serial communication. - **Data Rate:** Supports transmission speeds up to **57,600 baud (57.6 kBd)**, suitable for a wide range of industrial and instrumentation applications. - **Surge and Overvoltage Protection:** Integrated **varistor protection rated up to 15 kV**, safeguarding against transient voltage spikes and electrostatic discharge (ESD). - **Standard PCI Interface:** Compatible with standard **PCI bus** slots, ensuring broad compatibility with industrial PCs and workstations. - **Interrupt Support:** Hardware **IRQ (Interrupt Request)** capability for efficient data handling and reduced CPU load. - **Connector Type:** Two **9-pin D-sub (DE-9)** connectors for easy integration with existing serial cabling and devices. - **Compact Form Factor:** Physical dimensions of **120 mm x 106 mm**, optimized for standard PCI slots. - **Lightweight Construction:** Approximate weight of **110 grams**, minimizing mechanical stress on the PCI slot. - **Industrial-Grade Design:** Built for continuous operation in demanding environments with high electrical noise or long cable runs.

Manufacturer: No category

Category: RS232 RS485 Converter

- **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