- **Dual Isolated Serial Ports:** Two independent RS422/RS485 ports with galvanic ground isolation for noise immunity and protection against ground loops. - **Auto Data Direction Control (ADDC):** Built-in automatic data direction control for RS485 half-duplex communication, eliminating the need for manual RTS signal management. - **Flexible Interface Configuration:** Each port can be configured individually for RS422 (full-duplex) or RS485 (half-duplex) operation via DIP switches. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115,200 bps (standard 1.8432 MHz crystal) or up to 921.6 kbps with optional 14.7456 MHz crystal. - **16550A UART Compatibility:** Each port includes a 16-byte transmit and receive FIFO buffer, reducing CPU interrupt load and improving throughput. - **Plug & Play PCI Interface:** Fully compliant with PCI Local Bus Specification Rev. 2.1, supporting automatic resource allocation (I/O address and IRQ) by the system BIOS. - **IRQ Sharing Capability:** Supports shared interrupt operation for multi-card systems. - **Ground Isolation:** Each port is electrically isolated to prevent damage from voltage differences between devices. - **Surge Protection (optional):** The P422IS variant includes additional surge suppression circuitry for harsh environments. - **Multi-OS Driver Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO OpenServer. - **Compact PCI Form Factor:** Standard 5V 33 MHz PCI slot compatibility; up to four cards can be installed per system. - **Industrial Reliability:** Designed for continuous operation in industrial control, automation, and data acquisition systems.

Hersteller: Rayon

Kategorie: RS485 / RS422 2-Ports

- **Dual-Port RS422/RS485 Interface:** Two independent serial ports supporting RS422 or RS485 communication modes, selectable via DIP switches. - **Automatic Data Direction Control (ADDC):** Enables seamless half-duplex RS485 communication without manual RTS control. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115,200 bps (standard 1.8432 MHz crystal) or up to 921.6 kbps with optional 14.7456 MHz crystal. - **16550A UART Compatibility:** Each port includes a 16-byte transmit and receive FIFO buffer for efficient data handling and reduced CPU load. - **Plug & Play PCI Interface:** Fully compliant with PCI Local Bus Specification Rev. 2.1, with automatic IRQ and I/O address assignment by the PCI BIOS. - **Shared IRQ Support:** Allows multiple PCI cards to share a single interrupt line, optimizing system resource usage. - **Multi-OS Driver Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO OpenServer. - **Compact Design:** Standard PCI form factor with dimensions of 122 mm × 86 mm. - **Industrial Reliability:** Designed for robust serial communication in industrial control, automation, and data acquisition systems. - **Multiple Card Support:** Up to four P422N cards can be installed in a single system, providing up to eight serial ports. - **Flexible Configuration:** DIP switches and jumpers allow selection of card number, interface type (RS422/RS485), and termination resistors.

Hersteller: Rayon

Kategorie: RS485 / RS422 2-Ports

- **Dual Serial Ports:** Provides two independent RS-422/RS-485 communication channels for flexible serial connectivity. - **PCI Express Interface:** Compliant with PCIe standards, ensuring high-speed data transfer and compatibility with modern industrial PCs and servers. - **Low-Profile Design:** Compact form factor suitable for space-constrained enclosures and embedded systems; includes low-profile bracket for installation flexibility. - **Enhanced Protection:** - **ESD Protection:** ±15 kV (air discharge) and ±8 kV (contact discharge) per IEC 61000-4-2 standards. - **Surge Protection:** ±6 kV surge protection per IEC 61000-4-5, safeguarding connected devices and communication lines. - **High-Speed Communication:** Supports data rates up to **921.6 kbps**, ensuring fast and reliable serial data transmission. - **Large FIFO Buffer:** 128-byte FIFO per port for efficient data handling and reduced CPU load during high-speed communication. - **Single Power Requirement:** Operates on **3.3 V DC** supplied directly from the PCIe bus, eliminating the need for external power sources. - **Wide Operating Temperature Range:** Designed for industrial environments with an operational range from **-40°C to +75°C**. - **Connector Type:** Equipped with a **DB44 male D-sub connector**, providing a compact and robust interface for serial connections. - **Industrial Reliability:** Built with high-quality components and conformal coating options for enhanced durability in vibration, dust, and temperature extremes.

Hersteller: Rayon

Kategorie: RS485 / RS422 2-Ports

- **Dual-Port Serial Interface:** Provides two independent RS-422/RS-485 serial communication ports, enabling simultaneous multi-channel data exchange. - **PCI Express Interface:** Fully compliant with PCI Express standards, ensuring high-speed data throughput and compatibility with modern industrial PCs and embedded systems. - **Low-Profile Design:** Compact form factor suitable for space-constrained systems, including small form factor industrial PCs and embedded controllers. - **High Isolation Protection:** 3 kV galvanic isolation between communication channels and the host system, preventing ground loops and protecting against electrical surges. - **Surge Protection:** Built-in 6 kV surge protection on communication lines, ensuring reliable operation in electrically noisy environments. - **ESD Protection:** Enhanced electrostatic discharge protection rated at 15 kV (air) and 8 kV (contact), safeguarding the card and connected devices from static discharge damage. - **High-Speed Data Transmission:** Supports baud rates up to 921.6 kBd, allowing for fast and efficient serial communication. - **Large FIFO Buffer:** 128-byte FIFO buffer per port for smooth data handling and reduced CPU load during high-speed communication. - **Single Power Requirement:** Operates solely on 3.3 V DC from the PCIe bus, eliminating the need for external power supplies. - **Wide Operating Temperature Range:** Designed for industrial environments with an extended temperature range from -40°C to +75°C. - **DB44 Male Connector:** Utilizes a single DB44 male D-sub connector for both serial ports, simplifying cabling and installation. - **Industrial Reliability:** Built for continuous operation in demanding conditions, ensuring long-term stability and minimal downtime.

Hersteller: Rayon

Kategorie: RS485 / RS422 2-Ports

- **Dual RS422 Ports:** Provides two independent RS422 serial communication channels via RJ45 connectors. - **PCI Plug & Play Interface:** Fully compliant with PCI Local Bus Specification Rev. 2.1, supporting automatic resource assignment (I/O address, IRQ) by system BIOS. - **High-Speed Data Transmission:** Supports baud rates up to 115.2 Kbps (standard 1.8432 MHz crystal) or up to 921.6 Kbps with optional 14.7456 MHz crystal. - **16C550A-Compatible UARTs:** Each port includes a 16-byte transmit and receive FIFO buffer, reducing CPU interrupt load and improving system throughput. - **Hardware and Software Flow Control:** Supports both RTS/CTS and XON/XOFF flow control mechanisms. - **Industrial-Grade RS422 Interface:** Differential signaling for noise immunity and long-distance communication. - **RJ45 Connector Interface:** Compact and modular connector design for easy cabling and integration. - **Jumper-Selectable Termination:** Each port includes a jumper to enable or disable 120 Ω termination resistors for proper line impedance matching. - **Multi-OS Driver Support:** Compatible with Windows 95/98/Me, Windows NT, Windows 2000/XP, DOS, Linux, and SCO OpenServer. - **IRQ Sharing Capability:** Supports shared interrupt operation for multiple PCI cards in the same system. - **Universal PCI Voltage Support:** Operates in both 5V and 3.3V PCI slots (universal PCI design). - **Compact and Reliable Design:** Built with high-quality components for industrial and embedded system environments.

Hersteller: Rayon

Kategorie: RS485 / RS422 2-Ports

- **Dual Isolated Serial Ports:** Two independent RS422/RS485 ports with galvanic ground isolation to prevent ground loops and electrical interference. - **Flexible Interface Selection:** Each port can be configured individually for RS422 or RS485 operation via DIP switch settings. - **Automatic Data Direction Control (ADDC):** Built-in auto-direction control for RS485 communication eliminates the need for manual RTS signal handling, ensuring seamless half-duplex operation. - **High Compatibility:** Fully compatible with 16550A UART architecture, supporting standard serial communication software and drivers. - **Plug-and-Play PCI Configuration:** Automatic IRQ and I/O address assignment by PCI BIOS; no manual configuration required. - **Shared IRQ Support:** Allows multiple PCI cards to share a single interrupt, optimizing system resource usage. - **Wide OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP/2003, Linux, and SCO OpenServer. - **Industrial Reliability:** Designed for industrial control applications requiring stable, noise-immune serial communication. - **Compact PCI Form Factor:** Fits standard 5V 33MHz PCI slots; up to four cards can be installed per system. - **Surge and Isolation Options:** The UP422I provides isolation; related models (UP422S, UP422IS) add surge protection or combined isolation and surge protection.

Hersteller: Rayon

Kategorie: RS485 / RS422 2-Ports