- **Dual RS232 Ports:** Provides two independent RS232 serial communication ports per card. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115,200 bps per port. - **Advanced Controller:** Built around the Moschip MCS9922 serial communication controller, ensuring compatibility and stable performance. - **PCI Express Interface:** Fully compliant with PCI Express bus architecture, offering plug-and-play installation and automatic resource allocation by the PCI BIOS. - **Memory-Mapped I/O:** Both I/O and memory mapping are automatically assigned by the PCI BIOS, simplifying configuration. - **DB9 Male Connectors:** Each port is equipped with a standard DB9 male connector for direct connection to RS232 devices. - **Industrial-Grade Design:** Engineered for industrial environments with extended temperature and humidity tolerance. - **Cross-Platform Support:** Compatible with multiple operating systems including Windows 2000, XP, Vista, Windows 7, and Linux. - **Low-Profile Option:** Optional low-profile bracket available for compact or embedded systems. - **Upgradeable Family:** Part of a modular product line allowing easy upgrade to isolated or multi-interface models (e.g., A102I, A112, A132). - **Plug & Play Configuration:** No manual IRQ or address setting required; all resources are assigned automatically by the system BIOS. - **Reliable Data Handling:** Incorporates 128-byte transmit and receive buffers per port to reduce CPU interrupts and improve throughput. - **Industrial Control Ready:** Designed for use in automation, process control, and data logging systems.

Manufacturer: Rayon

Category: RS232 2-Ports PCI

- **Dual Isolated RS‑232 Ports:** Two independent RS‑232 serial channels, each with galvanic ground isolation to prevent ground loops and electrical interference between connected devices. - **PCI Express Interface:** Fully compliant with PCIe bus architecture, supporting plug‑and‑play installation and automatic resource assignment (I/O, memory, IRQ) by the system BIOS. - **High‑Performance Controller:** Built around the Moschip MCS9922 serial communication controller, compatible with 16950A UART architecture, providing advanced buffering and flow control. - **Wide Baud Rate Range:** Each port supports programmable baud rates from 50 bps up to 115,200 bps, suitable for a wide range of serial devices. - **DB9 Male Connectors:** Standard 9‑pin male D‑sub connectors for direct connection to RS‑232 equipment. - **Ground Isolation:** Electrical isolation between ports and host system ensures reliable operation in electrically noisy or multi‑ground environments. - **Operating System Support:** Compatible with Windows 2000, XP, 2003, Vista, Windows 7, and Linux distributions (Red Hat, SUSE, Slackware, Fedora Core). - **Compact Form Factor:** Standard PCIe card dimensions with optional low‑profile bracket for small form factor PCs. - **Industrial Reliability:** Designed for continuous operation in industrial temperature and humidity ranges. - **Plug & Play Configuration:** Automatic detection and configuration by PCI BIOS; no manual jumper settings required.

Manufacturer: Rayon

Category: RS232 2-Ports PCI

- **Dual RS232 Ports:** Two independent serial ports per card, each configurable and isolated. - **Ground Isolation:** Each RS232 interface is electrically isolated to protect the host system from ground loops and electrical surges. - **ASIX MCS9865 Controller:** High-performance UART controller compatible with 16950A standard, supporting advanced buffering and high-speed data transfer. - **Configurable Baud Rate:** Each port supports baud rates from **50 bps to 230,400 bps**, suitable for a wide range of serial devices. - **Plug & Play PCI Interface:** Fully compliant with PCI specifications; I/O, memory, and IRQ resources are automatically assigned by the system BIOS. - **DIP Switch Configuration:** Each port can be individually configured using onboard DIP switches for flexible deployment. - **DB9 Male Connectors:** Standard 9-pin male connectors for direct connection to serial devices. - **Operating System Support:** Compatible with **Windows 2000, XP, Vista, 7, 8**, and **Linux** distributions. - **Industrial-Grade Design:** Designed for industrial control systems, automation, and embedded applications requiring robust serial communication. - **Low Profile Option:** Optional low-profile bracket available for compact or rack-mounted systems. - **Single Voltage Operation:** Operates on **5V PCI bus** only, ensuring stable performance in standard PCI slots. - **Ground-Isolated RS232 Interface:** Prevents electrical interference and protects the motherboard from voltage spikes. - **Wide Environmental Tolerance:** Operates in temperatures from 0°C to 55°C and humidity up to 95% RH.

Manufacturer: Rayon

Category: RS232 2-Ports PCI

- **Dual Ground-Isolated RS232 Ports:** Each of the two serial ports is independently isolated from system ground, protecting the host PC and connected devices from ground loops, surges, and electrical noise. - **ASIX MCS9865-Compatible Controller:** Utilizes the ASIX MCS9865 serial communication controller, ensuring compatibility with a wide range of operating systems and providing stable, high-speed data transfer. - **Selectable Port Configuration:** Each port can be configured individually via DIP switches, allowing flexible setup for different communication requirements. - **High-Speed Communication:** Supports baud rates from **50 bps up to 230,400 bps**, suitable for both legacy and modern serial devices. - **Plug & Play PCI Interface:** Fully compliant with PCI Plug & Play standards. I/O address, memory mapping, and IRQ assignments are automatically managed by the PCI BIOS. - **Broad OS Compatibility:** Supports **Windows 2000, XP, Vista, Windows 7/8**, and **Linux** operating systems. - **Industrial-Grade Design:** Designed for industrial control environments with robust isolation and wide environmental tolerance. - **Compact Form Factor:** Standard PCI card dimensions (100 × 97 mm) with optional low-profile bracket for compact systems. - **Single Voltage Operation:** Operates on **5V PCI bus power only**, simplifying system integration.

Manufacturer: Rayon

Category: RS232 2-Ports PCI

- **Dual RS232 Ports:** Provides two independent RS232 serial communication interfaces, each accessible via a standard DB9 male D-sub connector. - **PCI Express Interface:** Fully compliant with PCI Express (PCIe) bus architecture, ensuring high-speed data transfer and compatibility with modern motherboards. - **High-Speed Communication:** Supports data rates up to **921.6 kBd**, enabling fast and reliable serial data transmission for demanding applications. - **Advanced UART Controller:** Equipped with a **16550-compatible UART** featuring a **128-byte FIFO buffer**, minimizing CPU load and improving data handling efficiency. - **Multi-Board Support:** Allows installation of up to **four COM-8502 boards per PC**, expanding the number of available serial ports for complex systems. - **Low Power Requirement:** Operates solely on **3.3V DC power** supplied through the PCIe slot, eliminating the need for external power sources. - **Compact Form Factor:** Designed with a **PCB size of 114 mm x 104 mm**, suitable for standard PCIe slots in desktop and industrial PCs. - **Industrial Reliability:** Built with high-quality components and robust PCB design to ensure stable operation in continuous-use environments. - **Plug-and-Play Configuration:** Supports automatic resource allocation and easy driver installation for quick system integration. - **Compatibility:** Works with a wide range of operating systems and supports standard serial communication protocols.

Manufacturer: JS Automation

Category: RS232 2-Ports PCI

- **Dual RS232 Ports:** Provides two independent RS232 serial communication ports for connecting serial devices such as modems, sensors, controllers, and industrial equipment. - **Oxford 16950 Compatibility:** Each port is based on an Oxford 16950-compatible UART, ensuring stable performance, advanced buffering, and compatibility with legacy serial communication standards. - **PCI Express Interface:** Utilizes the PCI Express (PCIe) bus architecture for high-speed data transfer and efficient system resource allocation. - **Plug-and-Play Installation:** Fully plug-and-play compliant, with automatic resource assignment (I/O and IRQ) by the PCI BIOS. - **Wide OS Support:** Compatible with multiple operating systems, including Windows 2000, XP, 2003, Vista, Linux, and SCO Unix. - **Flexible Bracket Options:** Available in standard PCIe bracket (OPe952) and low-profile PCIe bracket (OPe952L) versions for compatibility with different chassis types. - **Industrial-Grade Design:** Designed for industrial control and automation environments, supporting extended operating temperature and humidity ranges. - **Memory-Mapped I/O:** Supports memory-mapped I/O addressing for efficient communication and reduced CPU overhead. - **Scalable System Integration:** Supports up to two OPe952 cards per system, allowing expansion to four RS232 ports in total. - **Upgradeable Product Line:** Compatible with related Rayon Technology products offering higher port counts and alternative interfaces (RS422/485, USB, IP-based solutions).

Manufacturer: Rayon

Category: RS232 2-Ports PCI

- **Dual RS232 Ports:** Two independent RS232 serial communication ports for connecting serial devices such as modems, terminals, or industrial controllers. - **16550A UART Compatibility:** Each port includes a 16-byte transmit and receive FIFO buffer, reducing CPU overhead and improving data throughput. - **Plug & Play PCI Interface:** Fully compliant with PCI Local Bus Specification Rev. 2.1, with automatic resource assignment (I/O address and IRQ) by the PCI BIOS. - **Shared IRQ Support:** The card supports IRQ sharing, allowing multiple PCI devices to coexist efficiently. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115.2 Kbps (with 1.8432 MHz crystal) or up to 921.6 Kbps (with optional 14.7456 MHz crystal). - **Flexible Flow Control:** Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control mechanisms. - **Broad OS Compatibility:** Drivers available for DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO OpenServer. - **Compact Design:** Standard PCI form factor with dimensions of 140 mm x 102 mm, suitable for most desktop and industrial PC enclosures. - **Robust Construction:** Built with high-quality Rayon PCB materials ensuring durability and signal integrity. - **Universal PCI Voltage Support:** Operates in both 5V and 3.3V PCI slots (universal PCI compatibility).

Manufacturer: Rayon

Category: RS232 2-Ports PCI

- **Dual RS232 Serial Ports:** Two independent RS232 communication ports for serial device connectivity. - **Low Profile PCI Design:** Compact form factor (121 × 55 mm) suitable for small form factor PCs and industrial systems. - **Plug & Play PCI Interface:** Fully compliant with PCI Local Bus Specification Rev. 2.1, supporting automatic resource assignment by BIOS. - **16C550 UART Compatibility:** Each port uses a 16C550-compatible UART with 16-byte transmit and receive FIFOs for efficient data handling. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115,200 bps (standard 1.8432 MHz crystal) or up to 921,600 bps with optional 14.7456 MHz crystal. - **Shared IRQ Support:** One sharable interrupt request (IRQ) mapping for both ports, reducing system resource usage. - **Flexible I/O Mapping:** Six 8-byte I/O address blocks automatically assigned by PCI BIOS. - **Wide OS Compatibility:** Supports DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO OpenServer. - **Universal PCI Voltage Support:** Operates in 5V or 3.3V PCI slots (33 MHz bus). - **Robust Construction:** Designed for industrial reliability and long-term operation. - **Rayon ASIC Controller:** Custom PCI controller ASIC ensures stable communication and full compliance with PCI bus standards.

Manufacturer: Rayon

Category: RS232 2-Ports PCI

- **Dual Isolated Serial Ports:** Provides two independent serial communication channels configurable as RS‑232, RS‑422, or RS‑485 interfaces. - **High Electrical Isolation:** 3 kV isolation between ports and system bus ensures protection against ground loops, surges, and electrical noise. - **Enhanced ESD Protection:** Built‑in electrostatic discharge protection rated at 15 kV (air discharge) and 8 kV (contact discharge) for reliable operation in electrically noisy environments. - **Low‑Profile PCIe Form Factor:** Compact design suitable for small form factor PCs, embedded systems, and industrial computers with limited expansion space. - **High Data Throughput:** Supports baud rates up to 921.6 kbit/s, enabling fast and stable data transmission for demanding serial applications. - **Large FIFO Buffer:** 128‑byte FIFO per port for efficient data handling and reduced CPU overhead during high‑speed communication. - **Single Power Requirement:** Operates solely from the PCIe 3.3 V DC power rail, simplifying system power design and reducing energy consumption. - **Wide Operating Temperature Range:** Designed for industrial environments with an extended temperature range from ‑40 °C to +75 °C. - **Universal Compatibility:** Fully compliant with PCI Express specifications, ensuring compatibility with a wide range of operating systems and hardware platforms. - **Durable Industrial Design:** Built with high‑quality components and robust PCB layout to ensure long‑term reliability and signal integrity.

Manufacturer: Rayon

Category: RS232 2-Ports PCI

- **Dual-Port Serial Interface:** Provides two independent serial communication channels configurable for RS-232, RS-422, or RS-485 operation. - **PCI Express Interface:** Fully compliant with PCI Express x1 standard, ensuring high-speed data throughput and compatibility with modern industrial PCs and servers. - **Surge and Isolation Protection:** - **Isolation Voltage:** 3 kV galvanic isolation between ports and system bus, protecting host systems from ground loops and transient voltages. - **Surge Protection:** 6 kV surge protection per port, safeguarding against lightning strikes and power surges. - **ESD Protection:** 15 kV (air discharge) and 8 kV (contact discharge) ESD protection, ensuring robust operation in environments with high static potential. - **High-Speed Data Transmission:** Supports baud rates up to **921.6 kbps**, enabling fast and reliable serial communication for industrial automation, instrumentation, and control systems. - **Low-Profile Form Factor:** Designed for compact industrial PCs and embedded systems with limited expansion space. - **Single Power Requirement:** Operates from a **3.3 V DC** power supply drawn directly from the PCIe slot, eliminating the need for external power sources. - **Wide Operating Temperature Range:** Rated for operation from **-40°C to +75°C**, suitable for both indoor and outdoor industrial environments. - **Connector Type:** Equipped with a **DB44 male D-sub connector**, providing a compact and reliable interface for serial connections. - **Flexible Configuration:** Each port can be independently configured for RS-232, RS-422, or RS-485 modes, supporting a wide range of serial communication protocols and devices.

Manufacturer: Rayon

Category: RS232 2-Ports PCI

- **Dual Isolated RS232 Ports:** Provides two independent RS232 serial communication channels with galvanic isolation to prevent ground loops and protect connected devices. - **High Electrical Isolation:** Isolation rated up to 2 kV between ports and system bus, ensuring safe operation in industrial environments with high electrical noise or potential differences. - **Integrated UART 16550 Controller:** Each port is equipped with a 16550 UART, offering 16-byte FIFO buffers for efficient data handling and reduced CPU load during high-speed communication. - **Configurable Base Addresses:** Supports multiple selectable I/O base addresses (03F8h, 02F8h, 03E8h, 02E8h) via onboard DIP switches, allowing flexible integration into existing systems. - **Selectable Interrupts (IRQ):** Compatible with IRQ lines 3, 4, 5, 7, 9, 10, 11, and 12, enabling conflict-free configuration in multi-device environments. - **Varistor Protection:** Each port includes varistor protection rated up to 15 kV, safeguarding against electrostatic discharge (ESD) and transient voltage spikes. - **Standard Connectors:** Two 9-pin D-sub (DE-9) connectors provide standard RS232 pinouts for easy connection to serial devices. - **Compact ISA Form Factor:** Designed for standard ISA slots, with a compact board size of 165 mm × 106 mm, suitable for legacy and industrial PC systems. - **High Reliability:** Industrial-grade components ensure long-term stability and durability under continuous operation.

Manufacturer: No category

Category: RS232 2-Ports PCI