- **Dual-Port Serial Communication:** Provides two independent serial ports on a single PCIe interface card. - **Multi-Protocol Support:** Each port can be individually configured as RS232, RS422, or RS485 using onboard DIP switches. - **Flexible Configuration:** Hardware-level DIP switch selection allows quick and reliable mode switching without software reconfiguration. - **High Compatibility:** Fully compatible with PCI Express bus architecture and automatically configured by the system BIOS for I/O, memory, and IRQ mapping. - **Controller Chipset:** Integrated Moschip MCS9922 serial communication controller ensures stable performance and broad driver support. - **Baud Rate Range:** Supports communication speeds from 50 bps up to 115,200 bps per port. - **Connector Type:** Two DB9 male connectors for direct connection to serial devices. - **Plug & Play Installation:** Automatic resource allocation by PCI BIOS simplifies installation and setup. - **Operating System Support:** Compatible with Windows 2000, XP, Vista, Windows 7, Linux, and other operating systems. - **Industrial-Grade Design:** Suitable for industrial control environments with robust operating temperature and humidity ranges. - **Optional Low-Profile Bracket:** Available for compact or small-form-factor PC enclosures. - **ADDC (Automatic Data Direction Control):** Supported in RS485 mode for efficient half-duplex communication. - **High Reliability:** Designed for continuous operation in demanding environments.

Manufacturer: Rayon

Category: RS485 / RS422 1-2-Port

- **Dual-Port PCIe Serial Interface:** Provides two independent serial communication ports on a single PCIe card. - **Selectable Communication Modes:** Each port can be individually configured as RS232, RS422, or RS485 using DIP switches, allowing mixed-mode operation. - **Ground Isolation:** Each port is galvanically isolated to prevent ground loops and protect connected devices from electrical interference. - **High Compatibility:** Fully compatible with PCI Express bus architecture and recognized automatically by the system BIOS for I/O, memory, and IRQ mapping. - **Flexible Baud Rate Support:** Each port supports baud rates from 50 bps up to 115,200 bps, suitable for a wide range of serial communication devices. - **ADDC (Automatic Data Direction Control) for RS485:** Enables automatic control of data direction in RS485 mode, simplifying half-duplex communication. - **Plug-and-Play Installation:** The card is automatically detected and configured by the PCI BIOS, minimizing manual setup. - **Industrial-Grade Design:** Built for industrial control applications requiring stable, isolated serial communication. - **Operating System Support:** Compatible with Windows 2000, XP, Vista, Windows 7, and Linux distributions. - **Compact Form Factor:** Standard PCIe card size with optional low-profile bracket for small form factor systems. - **Durable Construction:** Manufactured with high-quality materials for long-term reliability in demanding environments.

Manufacturer: Rayon

Category: RS485 / RS422 1-2-Port

- **Multi-Protocol Serial Interface:** Supports RS232, RS422, and RS485 communication standards on a single port, selectable via DIP switch. - **Ground Isolation:** Each port is galvanically isolated to prevent ground loops and protect connected equipment from electrical interference. - **High Compatibility:** Fully compatible with PCI bus architecture and compliant with PCI Plug & Play specifications. - **Advanced UART Controller:** Equipped with an ASIX MCS9865-compatible 16950A UART chip, supporting high-speed data transfer rates from 50 bps up to 230,400 bps. - **Flexible Configuration:** I/O address mapping, memory mapping, and IRQ assignments are automatically managed by the PCI BIOS, simplifying installation and configuration. - **Dual Connector Option:** Features two DB9 male connectors for flexible cabling and connectivity options. - **Low Profile Option:** Optional low-profile bracket available for compact or space-constrained systems. - **Operating System Support:** Compatible with Windows 7, Windows 2000, Windows XP, Windows Vista, Linux, and SCO Unix environments. - **Single Voltage Operation:** Designed for 5V PCI slots only, ensuring stable operation in standard desktop and industrial PCs. - **Compact Form Factor:** Small footprint (75 mm x 90 mm) suitable for embedded and industrial PC installations.

Manufacturer: Rayon

Category: RS485 / RS422 1-2-Port

- **Single-Port Multi-Protocol Serial Interface:** Supports RS-232, RS-422, and RS-485 communication standards on a single port, selectable via DIP switch. - **Electrical Isolation:** Provides galvanic isolation between the PCI bus and the serial interface, protecting host systems from voltage spikes, ground loops, and electrical noise. - **High Compatibility:** Fully compatible with the **ASIX MCS9865** chipset and **16950A UART** architecture, ensuring stable operation and broad driver support. - **Flexible Baud Rate Range:** Supports data rates from **50 bps up to 230,400 bps**, accommodating both low-speed and high-speed serial communication requirements. - **Plug & Play PCI Interface:** Automatic I/O, memory, and IRQ resource assignment via PCI BIOS, simplifying installation and configuration. - **Dual Connector Option:** Equipped with **two DB9 male connectors**, providing flexible cabling and connection options for various serial devices. - **Low Profile Bracket Option:** Available with optional low-profile brackets for compact or space-constrained PC enclosures. - **Operating System Support:** Compatible with **Windows 2000, XP, Vista, Windows 7, Linux, and SCO UNIX**, ensuring cross-platform deployment. - **Single Voltage Operation:** Designed for **5V-only PCI slots**, ensuring stable operation in standard PCI environments. - **Compact Form Factor:** Small PCB footprint of **75 mm x 90 mm**, suitable for integration into standard and industrial PCs.

Manufacturer: Rayon

Category: RS485 / RS422 1-2-Port

- **Dual-Port Serial Communication:** Two independent serial ports per card, each configurable as RS232, RS422, or RS485. - **Mixed Mode Configuration:** Each port can be individually set to a different communication standard via DIP switch, allowing flexible deployment in mixed environments. - **Ground Isolation:** Each port is ground-isolated to prevent electrical interference and protect connected devices. - **High Compatibility:** Fully compatible with PCI or PCIe bus architecture, depending on model. - **Plug & Play Operation:** Automatic I/O, memory, and IRQ resource assignment by PCI BIOS ensures easy installation without manual configuration. - **High-Speed Data Transfer:** Supports baud rates from 50 bps up to 230,400 bps (AP112) or 115,200 bps (A112 variant). - **Advanced Chipset:** - **AP112:** ASIX MCS9865-compatible 16950a UART controller. - **A112:** MosChip MCS9922 serial communication controller. - **ADDC Functionality (RS485):** Automatic Data Direction Control (ADDC) for RS485 mode ensures reliable half-duplex communication without software flow control. - **Operating System Support:** Compatible with Windows 2000, XP, Vista, Windows 7, and Linux distributions. - **Industrial-Grade Design:** Designed for continuous operation in industrial environments with wide temperature and humidity tolerance. - **Compact Dimensions:** - AP112: 100 × 97 mm - A112: 75 × 90 mm - **Connector Type:** Two DB9 male connectors for direct serial device connection. - **Optional Accessories:** Low-profile brackets available upon request for compact chassis installations. - **Single Voltage Operation:** 5V-only power requirement simplifies integration into standard PCI systems.

Manufacturer: Rayon

Category: RS485 / RS422 1-2-Port

- **Dual-Port Serial Communication:** Provides two independent serial communication ports on a single PCI or PCIe card. - **Ground Isolation:** Each port is galvanically isolated to prevent ground loops and electrical interference, ensuring stable operation in industrial environments. - **Multi-Protocol Support:** Each port can be individually configured for RS232, RS422, or RS485 operation via onboard DIP switches. - **Flexible Configuration:** DIP switch selection allows quick and easy reconfiguration without software intervention. - **High Compatibility:** Fully compatible with standard PCI or PCI Express bus slots, depending on model variant. - **Plug & Play Installation:** Automatic I/O address, memory mapping, and IRQ assignment by the PCI BIOS. - **High-Performance UART:** Each port uses an ASIX-compatible 16950A UART (MCS9865 or MCS9922 controller), supporting advanced buffering and high-speed data transfer. - **Baud Rate Range:** Supports communication speeds from 50 bps up to 115,200 bps (AP112-I) or up to 230,400 bps (depending on chipset configuration). - **ADDC (Automatic Data Direction Control):** Supported in RS485 mode for automatic transmit/receive switching, simplifying half-duplex communication. - **Industrial-Grade Design:** Designed for robust operation in industrial control systems, automation, and data acquisition environments. - **Operating System Support:** Compatible with Windows 2000, XP, Vista, Windows 7, and Linux distributions. - **Compact Form Factor:** Standard PCI/PCIe card dimensions (100 mm × 97 mm) suitable for standard and low-profile enclosures. - **Optional Accessories:** Low-profile brackets available upon request for compact system integration.

Manufacturer: Rayon

Category: RS485 / RS422 1-2-Port

- **Dual-Port PCI Serial Interface:** Provides two independent serial communication ports—one fixed RS232 and one configurable isolated port supporting RS232, RS422, or RS485 modes. - **Ground Isolation:** The first port features galvanic isolation to protect connected devices from ground loops, voltage spikes, and electrical noise, ensuring stable operation in industrial environments. - **Configurable Communication Modes:** Port 1 can be easily switched between RS232, RS422, and RS485 modes using an onboard DIP switch, allowing flexible deployment across various serial communication standards. - **High Compatibility:** Fully compatible with PCI 2.2 specifications and supports both 5V and 3.3V PCI bus slots, ensuring broad compatibility with legacy and modern PC architectures. - **ASIX MCS9865 Controller:** Each port is driven by an ASIX MCS9865 UART controller, providing advanced serial communication capabilities, high data integrity, and compatibility with standard 16950A UART features. - **Wide Baud Rate Range:** Supports baud rates from 50 bps up to 115,200 bps, suitable for a wide range of serial communication devices and protocols. - **Plug & Play Configuration:** I/O address, memory mapping, and IRQ assignments are automatically managed by the PCI BIOS, simplifying installation and eliminating resource conflicts. - **Operating System Support:** Compatible with major operating systems including Windows 2000, XP, Vista, Windows 7/8, and Linux distributions, ensuring broad software integration. - **Industrial-Grade Design:** Designed for industrial control and automation systems, featuring robust construction, wide operating temperature range, and high humidity tolerance. - **Compact Form Factor:** Standard PCI card dimensions (100 × 97 mm) with optional low-profile brackets available upon request for compact system integration.

Manufacturer: Rayon

Category: RS485 / RS422 1-2-Port

- **Dual-Port Serial Interface:** Provides two independent serial communication channels configurable as RS-232, RS-422, or RS-485. - **High-Speed Data Transmission:** Supports baud rates up to **921.6 kBd**, ensuring compatibility with a wide range of industrial and commercial serial devices. - **Electrical Isolation:** Features **3 kV isolation** between ports and host system, protecting equipment and data integrity in electrically noisy environments. - **Enhanced ESD Protection:** Offers **15 kV air discharge** and **8 kV contact discharge** protection, ensuring long-term reliability and resistance to electrostatic events. - **Low-Profile PCIe Form Factor:** Designed for compact industrial PCs and embedded systems, compatible with both standard and low-profile PCIe slots. - **Single Power Requirement:** Operates solely from the **3.3 V DC** power supplied by the PCIe bus, eliminating the need for external power sources. - **Wide Operating Temperature Range:** Rated for **-40°C to +75°C**, suitable for harsh industrial and outdoor environments. - **High Buffer Capacity:** Equipped with **128-byte FIFO buffers** per port for efficient data handling and reduced CPU overhead. - **Universal Serial Configuration:** Each port can be independently configured for RS-232, RS-422, or RS-485 operation, providing maximum flexibility. - **Compact Connector Interface:** Utilizes a **DB44 male D-sub connector** for all serial channels, simplifying cabling and reducing panel space.

Manufacturer: Rayon

Category: RS485 / RS422 1-2-Port

- **Dual Serial Ports:** Provides two independent serial communication channels configurable as RS-232, RS-422, or RS-485. - **PCI Express Interface:** Compliant with PCI Express x1 specification, ensuring high-speed data throughput and compatibility with modern industrial PCs and servers. - **Low-Profile Design:** Compact form factor suitable for small form factor (SFF) and embedded systems; includes low-profile bracket for flexible installation. - **High Electrical Protection:** - **ESD Protection:** ±15 kV (air discharge) and ±8 kV (contact discharge) for enhanced reliability in electrostatically sensitive environments. - **Surge Protection:** 6 kV surge protection per port, safeguarding connected devices and the host system from transient voltage spikes. - **High-Speed Data Transmission:** Supports baud rates up to 921.6 kbps, ensuring efficient communication for data-intensive applications. - **Large FIFO Buffer:** 128-byte FIFO per transmitter and receiver, minimizing CPU load and improving data handling efficiency. - **Single Power Requirement:** Operates from a 3.3 V DC supply provided by 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. - **Universal Connectivity:** One DB44 male D-sub connector provides access to both serial ports, simplifying cabling and installation. - **Industrial Reliability:** Built with high-quality components and conformal coating options for long-term durability in demanding conditions.

Manufacturer: Rayon

Category: RS485 / RS422 1-2-Port

- **Dual-Port Serial Interface:** Provides two independent serial communication ports configurable as RS-232, RS-422, or RS-485, enabling flexible integration with a wide range of serial devices. - **Surge and Isolation Protection:** - **3 kV galvanic isolation** between ports and system bus ensures electrical separation and protection against ground loops. - **6 kV surge protection** safeguards connected equipment from transient voltage spikes and lightning-induced surges. - **ESD protection:** 15 kV (air discharge) and 8 kV (contact discharge) per IEC 61000-4-2 standards. - **High-Speed Data Transmission:** Supports baud rates up to **921.6 kBd**, ensuring fast and stable communication for industrial automation, instrumentation, and control systems. - **Low-Profile PCIe Design:** Compact form factor suitable for small chassis and embedded PCs; includes a low-profile bracket for easy installation in space-limited systems. - **Single Power Requirement:** Operates solely from the **3.3 V DC** power supplied by the PCI Express bus, eliminating the need for external power sources. - **Industrial Temperature Range:** Designed for harsh environments with an operating temperature range of **-40°C to +75°C**, ensuring reliable performance in both cold and high-temperature conditions. - **High Buffer Capacity:** Each port features a **128-byte FIFO buffer**, reducing CPU load and improving data throughput efficiency. - **Universal Compatibility:** Fully compliant with PCI Express specifications, ensuring compatibility with modern industrial PCs and servers. - **Robust Connector Interface:** Utilizes a **DB44 male D-sub connector** for secure and durable connection to external serial devices.

Manufacturer: Rayon

Category: RS485 / RS422 1-2-Port