- **Universal PCI Compatibility:** Supports both 3.3V and 5V PCI slots, ensuring broad compatibility with a wide range of motherboards and industrial PCs. - **4-Port RS422/RS485 Interface:** Provides four independent serial communication ports for industrial control, automation, and data acquisition systems. - **16550A-Compatible UARTs:** Each port includes a 16550A-compatible UART with 16-byte FIFO buffers, ensuring stable and efficient data transmission. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115,200 bps per port, suitable for high-performance serial communication tasks. - **Plug & Play Configuration:** Automatic IRQ and I/O address assignment via PCI BIOS simplifies installation and configuration. - **Surge Protection:** Integrated surge protection on TXD and RXD signal lines enhances reliability in electrically noisy environments. - **5V Power Supply Operation:** Designed for systems that provide only 5V power, ensuring compatibility with legacy industrial platforms. - **Flexible Connector Options:** Includes a DB37 female to 4×DB9 male cable (DB25 male cable available upon request). - **Cross-Platform Driver Support:** Compatible with multiple operating systems including DOS, Windows (95/98/Me/NT/2000/XP/Vista/7), Linux, SCO, and UNIX. - **Compact Design:** Small form factor (120 mm × 100 mm) suitable for space-constrained enclosures. - **Industrial-Grade Build:** Designed for continuous operation in demanding environments with wide temperature and humidity tolerance.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **Multi-Port Serial Expansion:** Provides four independent serial communication ports—three RS-232 and one RS-422/RS-485 (isolated)—for connecting multiple serial devices to a single PCI slot. - **Intelligent PCI Interface:** Utilizes an ASIC-based PCI controller that fully implements PCI Local Bus Specification Rev. 2.1, ensuring automatic configuration of I/O addresses and interrupts via the system BIOS. - **High Compatibility:** Each port is 16550A UART compatible, supporting standard serial communication protocols and baud rates from 50 to 115,200 bps. - **Auto Data Direction Control (ADDC):** The RS-485 port includes automatic data direction control for half-duplex communication, eliminating the need for manual RTS signal management. - **Plug & Play Configuration:** IRQ and I/O address assignments are automatically managed by the PCI BIOS, simplifying installation and avoiding resource conflicts. - **Shared IRQ Support:** Multiple PCIPORT cards can share a single IRQ, allowing up to eight cards per system for a total of 32 serial ports. - **Flexible Connector Options:** Includes a DB37 female connector on the card and a breakout cable (DB37F to 4×DB9M standard, or 4×DB25M optional). - **Cross-Platform Driver Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO OpenServer. - **Industrial-Grade Design:** Built with high-quality components and optional isolation for RS-422/RS-485 communication, ensuring reliable operation in electrically noisy environments.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **Multi-Interface Support:** Provides **two RS232 ports** and **two RS422/RS485 ports** on a single PCI card, enabling flexible serial communication configurations. - **Universal PCI Compatibility:** Operates with both **3.3V and 5V PCI slots** at **33 MHz**, ensuring broad compatibility across desktop and industrial PC platforms. - **High-Speed Serial Communication:** Each port supports baud rates from **50 bps to 115,200 bps**, suitable for a wide range of serial devices and applications. - **16550A UART Compatibility:** Each port is equipped with a **16550A-compatible UART** featuring a **32-byte FIFO buffer**, ensuring efficient data handling and reduced CPU load. - **Auto Data Direction Control (ADDC):** RS485 ports feature **automatic data direction control**, simplifying half-duplex communication without requiring manual RTS signal management. - **Surge Protection:** Built-in **surge protection** on TXD and RXD signal lines enhances reliability and safeguards connected devices in electrically noisy environments. - **Plug & Play Configuration:** Fully **PCI Plug & Play compliant**, with **IRQ and I/O address mapping** automatically assigned by the system BIOS. - **Flexible Connector Options:** Includes a **DB37 female to 4×DB9 male cable** (A400 cable). Optional **DB25 male connectors** are available upon request. - **Cross-Platform Driver Support:** Compatible with **DOS**, **Windows 95/98/ME/NT/2000/XP/Vista/Win7**, **Linux**, **UNIX**, and **SCO OpenServer** operating systems. - **Compact Design:** Small form factor (122 × 86 mm) suitable for standard PCI slots in industrial PCs and workstations.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **Multi-Protocol Serial Support:** Each of the four ports can be independently configured as RS232, RS422, or RS485, providing maximum flexibility for mixed communication environments. - **5V PCI Bus Compatibility:** Designed specifically for 5V PCI slots, ensuring stable operation in legacy and industrial PC systems. - **Intelligent Plug & Play Architecture:** Fully PCI Plug & Play compliant, with automatic I/O address and IRQ assignment handled by the PCI BIOS. - **High Compatibility:** Supports a wide range of operating systems including DOS, Windows 95/98/Me, Windows NT, Windows 2000/XP, Windows 7/8/10, Linux, and SCO OpenServer. - **Auto Data Direction Control (RS485):** Built-in automatic data direction control for RS485 communication eliminates the need for manual RTS signal handling, simplifying half-duplex communication. - **16550A UART Compatibility:** Each port uses a 16550A-compatible UART with 16-byte FIFO buffers, ensuring reliable high-speed data transmission and reduced CPU overhead. - **Flexible Connector Options:** Ships with a DB37 female to 4×DB9 male breakout cable (DB25 male version available upon request). - **Compact Design:** Small form factor (120 mm × 100 mm) suitable for standard desktop or industrial PC enclosures. - **Industrial-Grade Reliability:** Operates in wide environmental conditions (0°C–55°C, 10–95% RH) suitable for industrial and laboratory use. - **Shared IRQ Mapping:** Efficient resource utilization through a single shared IRQ for all four ports, minimizing system conflicts. - **Selectable Baud Rate:** Each port supports baud rates from 50 to 115,200 bps, covering most serial communication requirements. - **Extended Product Line:** Part of Rayon’s 5V-only PCI serial card family, offering 4-port and 8-port variants for different application scales.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **Four Independent Serial Ports:** Two RS232 ports (Ports A and B) and two RS422/RS485 ports (Ports C and D), selectable via DIP switch and jumper configuration. - **High Compatibility:** Each port is 16550A UART compatible, ensuring compatibility with standard serial communication software and hardware. - **Flexible Interface Selection:** RS422/RS485 ports can be configured individually for either RS422 or RS485 operation using onboard jumpers (JP5). - **Automatic Data Direction Control (ADDC):** Built-in ADDC function for RS485 communication eliminates the need for manual RTS signal control. - **Plug & Play PCI Interface:** Fully compliant with PCI Local Bus Specification Rev. 2.1. All resource assignments (IRQ, I/O address) are automatically managed by the PCI BIOS. - **Shared IRQ Support:** Supports IRQ sharing among multiple PCI devices, simplifying system integration. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115.2 Kbps (1.8432 MHz crystal) or up to 921.6 Kbps (14.7456 MHz crystal). - **Comprehensive OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO OpenServer. - **Multi-Card Support:** Up to two P924 cards can be installed in a single system, providing up to eight serial ports. - **Included Expansion Cable:** Comes with a DB37 female to 4×DB9 male connector cable (DB25 male version available upon request). - **Compact Design:** Dimensions of 122 mm × 101 mm, suitable for standard PCI slots.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **PCI Express x1 Compliant:** Fully compatible with PCI Express x1 slots, ensuring broad compatibility with modern industrial PCs and servers. - **Multi‑Protocol Serial Support:** Each of the four ports can be configured for RS‑232, RS‑422, or RS‑485 (2‑wire or 4‑wire) operation, providing maximum flexibility for connecting diverse serial devices. - **High Baud Rate Range:** Supports data rates from 50 bps up to 921.6 Kbps, suitable for both legacy and high‑speed serial communications. - **128‑Byte FIFO Buffer:** Each port includes a 128‑byte FIFO for efficient data handling and reduced CPU overhead. - **Flow Control Options:** Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control mechanisms. - **Low‑Profile Design:** Compact 67.2 × 104.8 mm form factor suitable for small‑form‑factor PCs and embedded systems. - **Industrial‑Grade Reliability:** Operating temperature range of ‑40 °C to +75 °C and humidity tolerance of 5 %–95 % non‑condensing. - **Surge and ESD Protection:** - Standard model: ESD protection up to 15 kV (air) / 8 kV (contact). - “‑S” model: Additional 6 kV signal surge protection per IEC 61000‑4‑5. - **LED Indicators:** - Green LED for TX (transmit activity). - Amber LED for RX (receive activity). - **Power Efficiency:** Operates from 3.3 V DC with a typical current draw of 835 mA. - **Comprehensive Modem Control Signals:** Full RS‑232 modem control lines (TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND) ensure compatibility with a wide range of serial peripherals. - **Long‑Term Reliability:** Backed by a 5‑year manufacturer warranty.

Manufacturer: JS Automation

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **PCI Express x1 Compliant:** Fully compatible with PCI Express x1 interface, ensuring broad compatibility with modern industrial PCs and embedded systems. - **Multi‑Protocol Serial Support:** Provides four independent serial ports configurable for RS‑232, RS‑422, or RS‑485 (2‑wire or 4‑wire) operation. - **High Isolation Protection:** 3 kV galvanic isolation between ports and system bus to protect against ground loops and electrical surges. - **Enhanced ESD Protection:** IEC 61000‑4‑2 compliant with 15 kV air and 8 kV contact discharge protection. - **Wide Baud Rate Range:** Supports baud rates from 50 bps to 921.6 Kbps, suitable for a wide range of serial devices. - **128‑Byte FIFO Buffer:** Reduces CPU overhead and ensures stable data transmission at high speeds. - **Flow Control Options:** Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control for flexible communication management. - **Low‑Profile Design:** Compact 67.2 × 136.8 mm PCB suitable for small‑form‑factor PCs and embedded systems. - **LED Indicators:** Individual TX (green) and RX (amber) LEDs for each port provide clear visual status of data transmission and reception. - **Industrial Temperature Range:** Operates reliably from ‑40 °C to +75 °C, with storage capability up to +85 °C. - **Power Efficiency:** Operates on 3.3 V DC with a typical current draw of 1,150 mA. - **Long‑Term Reliability:** Backed by a 5‑year manufacturer warranty.

Manufacturer: JS Automation

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **PCI Express x1 Compliant:** Fully compatible with PCI Express x1 slots, supporting plug‑and‑play installation in modern PCs and industrial computers. - **Multi‑Protocol Serial Support:** Each of the four ports can be configured for RS‑232, RS‑422, or RS‑485 (2‑wire or 4‑wire) communication modes. - **High Surge and ESD Protection:** - Surge protection up to **6 kV** (signal lines, –S model only). - ESD protection up to **15 kV air discharge** and **8 kV contact discharge**. - **Wide Baud Rate Range:** Supports serial communication speeds from **50 bps to 921.6 kbps**, suitable for both legacy and high‑speed serial devices. - **128‑Byte FIFO Buffer:** Reduces CPU overhead and ensures stable data transmission under heavy load. - **Hardware and Software Flow Control:** Supports RTS/CTS and Xon/Xoff flow control mechanisms for reliable data exchange. - **Low‑Profile Design:** Compact PCB (67.2 × 104.8 mm) suitable for small‑form‑factor PCs and embedded systems. - **LED Indicators:** - **TX (Green):** Indicates data transmission. - **RX (Amber):** Indicates data reception. - **Industrial Temperature Range:** Operates reliably from **–40 °C to +75 °C**, with storage capability up to +85 °C. - **Power Efficiency:** Operates on **3.3 V DC**, consuming approximately **835 mA**. - **Comprehensive Modem Control Signals:** Full RS‑232 signal set (TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND) for compatibility with a wide range of serial peripherals. - **Extended Warranty:** Backed by a **5‑year manufacturer warranty**.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **PCI Express x1 Compliant:** Fully compatible with PCI Express x1 interface, ensuring high‑speed data transfer and broad system compatibility. - **Multi‑Protocol Serial Support:** Provides four independent serial ports configurable for RS‑232, RS‑422, or RS‑485 (2‑wire or 4‑wire) operation. - **High Electrical Protection:** - 3 kV isolation between ports and system bus. - 6 kV surge protection on signal lines (‑SI models). - ESD protection: 15 kV (air) / 8 kV (contact). - **Wide Baud Rate Range:** Supports baud rates from 50 bps to 921.6 kbps, suitable for a wide range of industrial serial devices. - **128‑Byte FIFO Buffer:** Ensures stable and efficient data transmission with minimal CPU load. - **Flow Control Options:** Hardware (RTS/CTS) and software (Xon/Xoff) flow control supported. - **Low‑Profile Form Factor:** Compact 67.2 × 136.8 mm design ideal for small‑form‑factor PCs and embedded systems. - **LED Indicators:** - Green LED for TX (transmit activity). - Amber LED for RX (receive activity). - **Rugged Industrial Design:** Wide operating temperature range (‑40 °C to +75 °C) and humidity tolerance (5 %–95 % non‑condensing). - **Power Efficiency:** Operates on 3.3 V DC, consuming approximately 1,150 mA. - **Comprehensive Certification:** Meets EMC, EMI, and EMS standards for industrial environments. - **Long‑Term Reliability:** Backed by a 5‑year manufacturer warranty.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **Four-Port Serial Expansion:** Provides 3 × RS-232 and 1 × RS-422 serial ports via RJ45 connectors. - **PCI Bus Interface:** Fully compliant with PCI Local Bus Specification Rev. 2.1, supporting both 5V and 3.3V PCI slots. - **Plug & Play Configuration:** Automatic resource allocation (I/O address and IRQ) by PCI BIOS; no manual configuration required. - **High-Speed Communication:** Supports baud rates up to 115.2 Kbps (standard) or 921.6 Kbps with optional 14.7456 MHz crystal. - **Intelligent Serial Controller:** 16C550A-compatible UART with 16-byte transmit and receive FIFO buffers per port, reducing CPU load and improving throughput. - **Multi-Card Support:** Up to 8 cards per system, allowing up to 32 serial ports in one PC. - **Flexible Interface Options:** Supports RS-232, RS-422, and RS-485 signaling standards through jumper or DIP switch configuration. - **Surge and Isolation Options:** Compatible with Rayon’s RS4232-4 and RS4232-8 isolation boxes for galvanic isolation and surge protection. - **Comprehensive OS Support:** Drivers available for Windows 95/98/Me, Windows NT4.0, Windows 2000/XP, DOS, Linux, and SCO OpenServer. - **Industrial Reliability:** Designed for continuous operation in industrial environments with robust PCB design and EMI-resistant components. - **RJ45 Connectivity:** Compact RJ45 connectors simplify cabling and integration into structured wiring systems.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **Four Independent Communication Ports:** Each of the four ports can be individually configured for RS232, RS422, or RS485 operation using DIP switches. - **Full Electrical Isolation:** Every port is galvanically isolated from the others and from the host system ground, preventing ground loops and protecting against electrical surges. - **Mixed‑Mode Operation:** Supports simultaneous use of different interface standards across ports (e.g., two RS232 and two RS485). - **Selectable Impedance and Termination:** Jumper‑selectable impedance settings for RS422/RS485 modes allow proper line termination and signal integrity over long cable runs. - **Built‑In Power Supply:** Integrated universal power supply accepts **90–260 VAC** or **–48 VDC** input, eliminating the need for external adapters. - **Status Indication:** Each port includes **TXD/RXD LED indicators** for real‑time monitoring of transmit and receive activity. - **Flexible Connectivity:** Input via **DB37 male connector**; output via four **DB25 male connectors** (one per port). - **Compact Industrial Enclosure:** Rugged metal housing with dimensions **298 × 135 × 55 mm**, suitable for rack or panel mounting. - **Auto Data Direction Control (RS485):** Built‑in automatic data direction management ensures half‑duplex RS485 communication without manual RTS control. - **Compatibility:** Designed for use with RAYON PCIPORT four‑port PCI cards (P584/P485/P984/P524U series) through A640 or equivalent cables.

Manufacturer: Rayon

Category: RS232 Mixed RS485 / RS422 4-Ports PCI

- **Eight Independent RS232 Ports:** Provides eight fully functional RS232 serial interfaces on a single PCIe card, each configurable independently. - **High-Performance Controller:** Utilizes the Moschip MCS9900 serial communication controller, offering advanced buffering and reduced CPU load. - **PCI Express Interface:** Fully compliant with PCIe bus architecture, ensuring high-speed data transfer and plug-and-play configuration. - **Flexible Baud Rate Support:** Each port supports software-programmable baud rates from 50 to 115,200 bps. - **Memory-Mapped I/O:** System I/O, memory mapping, and IRQ assignments are automatically managed by the PCI BIOS. - **Comprehensive OS Support:** Compatible with Windows 2000, XP, 2003, Vista, Windows 7, and Linux operating systems. - **Industrial-Grade Design:** Built for industrial control environments with wide operating temperature and humidity ranges. - **Compact Form Factor:** Standard PCIe bracket with a compact PCB size of 135 × 105 mm. - **Expandable System Integration:** Supports up to two A168 cards per system, allowing up to 16 serial ports in one PC. - **Flexible Connectivity Options:** Includes DB62 female connector on the card and expansion cables for DB9 or DB25 connectors. - **Plug-and-Play Installation:** Automatic resource allocation via PCI BIOS; no manual configuration required. - **Compatible Accessories:** Supports optional RS4232-8 isolation box for ground-isolated RS232/RS422/RS485 conversion.

Manufacturer: Rayon

Category: RS232 8-Port

- **8 Independent RS-232 Ports:** Provides eight fully functional serial communication ports for simultaneous data transmission and reception. - **Intel RISC CPU 80960:** Onboard 32-bit RISC processor handles communication tasks independently, reducing host CPU load and improving system performance. - **16550A UART Compatibility:** Each port is equipped with a 16550A-compatible UART, ensuring compatibility with standard serial communication protocols and software. - **High-Speed Data Transfer:** Supports baud rates from 50 bps up to 115,200 bps, suitable for a wide range of serial communication applications. - **Shared IRQ Mapping:** Utilizes a single sharable interrupt request (IRQ) line for all ports, optimizing system resource usage and simplifying configuration. - **Flexible I/O Address Assignment:** 64-byte and 8-byte I/O address ranges are automatically assigned by the PCI BIOS, ensuring seamless integration with system resources. - **Comprehensive OS Support:** Compatible with multiple operating systems including DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO Unix. - **Compact ISA Form Factor:** Designed for standard ISA slots, with a compact board size of 141 mm x 106 mm. - **Durable Construction:** Built with industrial-grade components for long-term reliability in demanding environments. - **Connector Options:** Equipped with a DB62 female connector on the card, with an included breakout cable (DB62 male to 8×DB9 male). Optional DB25 male connectors are available upon request. - **Multi-Card Support:** Supports installation of up to two cards per system, allowing expansion to 16 serial ports.

Manufacturer: Rayon

Category: RS232 8-Port

- **Eight Independent RS232 Ports:** Provides eight fully functional asynchronous serial channels for simultaneous communication with multiple serial devices. - **16450 UART Architecture:** Each port is equipped with a 16450 UART, ensuring stable and efficient data handling for standard serial communication tasks. - **Asynchronous Operation:** Designed for asynchronous data transmission, suitable for a wide range of serial communication protocols and devices. - **Multi-Card Support:** Allows installation of up to two cards per PC, expanding the total number of available serial ports to sixteen. - **High Compatibility:** Compatible with standard RS232 signaling levels and pinouts, ensuring interoperability with legacy and modern serial devices. - **Industrial Reliability:** Built for continuous operation in industrial and commercial environments where multiple serial connections are required. - **Plug-in Expansion Card:** Designed for internal installation in a PC or industrial computer, expanding the system’s serial communication capabilities. - **Flexible Integration:** Ideal for connecting modems, printers, barcode scanners, PLCs, sensors, and other RS232-based equipment.

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight Independent RS232 Ports:** Provides eight fully functional asynchronous serial interfaces for simultaneous communication with multiple devices. - **16550 UART Chipset:** Each port is equipped with a 16550 UART featuring a 16-byte FIFO buffer, ensuring smooth data transmission and reception even under high-load conditions. - **High-Speed Serial Communication:** Supports standard baud rates up to 115.2 kbps or higher, depending on system configuration and cable quality. - **Asynchronous Operation:** Designed for asynchronous serial data transfer, suitable for a wide range of industrial and commercial applications. - **Multi-Card Support:** Allows installation of up to two C128+ cards per PC, expanding the total number of available RS232 ports to sixteen. - **Plug-and-Play Configuration:** Simplified installation with automatic resource allocation in compatible systems. - **Industrial-Grade Reliability:** Built for continuous operation in demanding environments, ensuring stable performance and long service life. - **Compatibility:** Works with standard PC operating systems and supports a wide range of serial communication protocols. - **Compact Design:** Optimized for space efficiency in industrial PCs, servers, and embedded systems. - **Flexible Integration:** Suitable for control systems, data acquisition, instrumentation, and communication gateways.

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight Independent RS‑232 Ports:** Each port operates independently with its own I/O address and IRQ configuration. - **High‑Speed Communication:** Supports baud rates up to **921.6 kbit/s**, enabling high‑throughput serial data transfer. - **16550 UART Compatibility:** Each port uses a 16550‑compatible UART with 16‑byte FIFO buffers for efficient data handling and reduced CPU overhead. - **Custom ASIC Design:** Replaces multiple discrete ICs, reducing board size to half‑length and improving reliability. - **Software‑Configurable Parameters:** No jumpers or DIP switches required; configuration is stored in on‑board EEPROM and managed via MOXA’s IO‑IRQ utility. - **Flexible Interrupt and I/O Addressing:** Supports IRQs 2–5, 7, 10–12, and 15; base I/O addresses are software‑selectable. - **Hardware Flow Control:** On‑chip RTS/CTS flow control ensures no data loss during high‑speed transmission. - **Comprehensive OS Support:** Drivers available for Windows NT/95/98, DOS, Linux, SCO UNIX/OpenServer, QNX, and FreeBSD. - **Diagnostic and Programming Tools:** Bundled with MOXA’s PComm (Windows) and API‑232 (DOS) libraries for application development and port diagnostics. - **Compact Half‑Size ISA Form Factor:** Fits standard PC/AT ISA slots with minimal space requirements. - **Industrial‑Grade Reliability:** Designed for continuous operation in automation, POS, and communication systems.

Manufacturer: Moxa

Category: RS232 8-Port

- **8 Independent RS-232 Ports:** Provides eight fully functional serial ports on a single PCI card, each capable of independent configuration and operation. - **High-Speed Data Transmission:** Supports baud rates from **50 bps up to 921.6 Kbps**, ensuring compatibility with both legacy and high-speed serial devices. - **Advanced UART Technology:** Equipped with **eight TI 16C550C-compatible UARTs**, each featuring a **32-byte FIFO buffer** for efficient data handling and reduced CPU load. - **Plug and Play PCI Interface:** Fully compliant with **PCI version 2.1 (32-bit)**, supporting automatic IRQ and I/O address assignment by the system BIOS—no manual jumper or switch configuration required. - **Hardware and Software Flow Control:** Integrated **on-chip hardware (RTS/CTS)** and **software (XON/XOFF)** flow control mechanisms ensure reliable data transmission. - **Interrupt Sharing:** Supports interrupt sharing across multiple ports, optimizing system resource usage. - **Versatile OS Support:** Comprehensive driver support for **Windows 95/98/ME/NT/2000/XP/2003**, **Linux**, **DOS**, and various UNIX variants (SCO, UnixWare, QNX, FreeBSD). - **Compact Design:** Small PCI form factor (123 × 100 mm) suitable for space-constrained systems. - **Flexible Connection Options:** Supports multiple connector types (DB25, DB9, RJ45) through optional connection boxes and cables. - **LED Indicators:** TxD and RxD LEDs on connection boxes provide visual status of data transmission. - **Industrial Reliability:** Designed for continuous operation in industrial environments with wide temperature and humidity tolerance. - **Long-Term Support:** Backed by a **5-year manufacturer warranty** and global technical support from Moxa.

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight Independent RS-232 Ports:** Each port operates independently, allowing simultaneous communication with multiple serial devices such as modems, terminals, printers, and data acquisition systems. - **High-Speed Operation:** Supports baud rates up to 921.6 kbps, enabling high-throughput serial data transfer for demanding applications. - **16550 UARTs:** Each port is equipped with a 16550-compatible UART featuring 16-byte FIFO buffers for both transmit and receive, reducing CPU load and preventing data loss during high-speed communication. - **Surge Protection:** Integrated 2 kV surge protection on all ports ensures reliable operation in electrically noisy industrial environments. - **Software-Configurable I/O and IRQ:** Eliminates the need for jumpers or DIP switches. Configuration is handled via software utilities (IO-IRQ.EXE) that write settings to onboard EEPROM. - **Custom ASIC Design:** Moxa’s proprietary ASIC reduces component count, improves reliability, and allows a compact half-size ISA form factor. - **Flexible Interrupt and Address Mapping:** Supports IRQ2–5, 7, 10–12, and 15, with base I/O addresses selectable via software. - **Hardware Flow Control:** On-chip RTS/CTS flow control ensures stable communication without data loss. - **Wide OS Support:** Drivers available for Windows NT, Windows 95/98, DOS, Linux, and support for UNIX variants (SCO UNIX/XENIX/OpenServer, QNX, FreeBSD). - **Comprehensive Software Tools:** Bundled with Moxa’s PComm (Windows) and API-232 (DOS) libraries for application development, diagnostics, and monitoring. - **Compact Design:** Half-size ISA card (123 × 100 mm) suitable for space-constrained systems. - **Industrial Reliability:** Designed for continuous operation in industrial automation, POS, and communication systems.

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight Independent Serial Ports:** Provides 8 asynchronous RS-232 ports for connecting terminals, modems, printers, data acquisition devices, and other serial peripherals. - **Custom ASIC Design:** Integrates multiple logic functions into a single ASIC, reducing board size to half-length and improving reliability. - **Software Configuration:** No jumpers or DIP switches required; all I/O addresses and IRQs are configured via software utility (Io-irq.exe). - **EEPROM-Based Configuration:** On-board EEPROM stores configuration data, ensuring persistent settings across reboots. - **Flexible IRQ and I/O Addressing:** Supports IRQ2–5, 7, 10–12, and 15; base I/O address is software-selectable. - **High-Speed UARTs:** Each port uses a 16550 UART with 16-byte FIFO buffers, supporting data rates up to 115.2 Kbps. - **IRQ Sharing:** Supports one IRQ per card for efficient resource utilization. - **Operating System Compatibility:** Drivers available for Windows NT, Windows 95/98, DOS, Linux, and support for UNIX variants (SCO UNIX/XENIX/OpenServer, QNX, FreeBSD). - **API and Development Tools:** Bundled with MOXA’s PComm (Windows) and API-232 (DOS) libraries for application development in C, C++, Visual Basic, Delphi, and other languages. - **Compact Half-Size ISA Form Factor:** Dimensions 157 mm × 93 mm, suitable for space-constrained industrial PCs. - **Optional Connection Boxes:** Supports RS-232, RS-422, and RS-485 via external connection boxes (Opt8A/B/C/D/F/J/Z/S). - **Diagnostic and Monitoring Utilities:** Includes tools for port testing, line monitoring, and communication diagnostics. - **Industrial Reliability:** Designed for continuous operation in industrial automation, POS, and communication systems.

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight Independent RS-232 Ports:** Provides eight fully functional asynchronous serial ports for simultaneous communication with multiple devices. - **High-Speed Data Transmission:** Supports baud rates from 50 bps to 921.6 kbps, ensuring compatibility with both legacy and modern serial devices. - **Onboard RISC CPU:** Equipped with a Texas Instruments TMS320C203 RISC processor for intelligent data handling and reduced host CPU load. - **Large Memory Architecture:** Includes 512 KB onboard RAM and 64 KB dual-ported RAM for efficient buffering and data management. - **FIFO Buffers:** Each port features a TI550C UART with a 32-byte FIFO buffer, minimizing data loss and improving throughput under heavy load. - **Flexible Interrupt Configuration:** Supports one shared interrupt selectable from IRQ2–5, 7, 10–12, or 15, simplifying system integration and resource allocation. - **Driver Support:** Includes drivers and utilities for DOS, Windows 95/98/NT, and SCO Unix/Unix SVR4.2. Linux drivers are available upon request. - **No Jumper Configuration:** Fully software-configurable design eliminates the need for manual jumper settings, simplifying installation and maintenance. - **Compact Form Factor:** ISA card dimensions of 170 mm × 107 mm allow easy integration into standard PC chassis. - **Connector Type:** DB62 female connector for external serial port breakout. - **Multi-User Capability:** Supports up to 32 concurrent users in multi-terminal environments.

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight Independent RS-232 Ports:** Provides eight fully functional asynchronous serial ports for simultaneous communication with multiple serial devices. - **High-Speed Data Transmission:** Supports baud rates from 50 bps up to 921.6 kbps, enabling fast and stable data transfer for demanding applications. - **Intelligent Onboard Processing:** Equipped with a dedicated RISC CPU (Texas Instruments TMS320C203) to offload communication tasks from the host CPU, improving overall system performance. - **Large Memory Resources:** Includes 512 KB onboard RAM and 64 KB dual-ported RAM for efficient data buffering and multitasking. - **Advanced FIFO Buffers:** Each port features a TI550C UART with a 32-byte FIFO buffer, minimizing data loss and ensuring smooth communication under heavy loads. - **Plug-and-Play PCI Interface:** Fully compliant with PCI bus standards; IRQ and I/O addresses are automatically assigned by the system BIOS, eliminating the need for manual jumper configuration. - **Comprehensive Driver Support:** Compatible with multiple operating systems including Windows 95, Windows 98, Windows NT, SCO Unix, Unix SVR4.2, and Linux. - **Compact, Durable Design:** Built with industrial-grade components and a robust PCB layout for long-term reliability. - **Multi-User Capability:** Supports up to 32 concurrent users, making it ideal for terminal servers, POS systems, and multi-user industrial control systems. - **Connector Type:** DB62 female connector for compact and organized cabling.

Manufacturer: Moxa

Category: RS232 8-Port

- **Universal PCI Compatibility:** Supports both 3.3V and 5V PCI bus slots, ensuring compatibility with a wide range of modern and legacy PC servers and workstations. - **Eight Independent RS-232 Ports:** Provides eight fully independent asynchronous serial communication channels for simultaneous device connections. - **High-Speed Data Transmission:** Supports baud rates from 50 bps up to 230.4 Kbps, suitable for a wide range of serial communication applications. - **16550C-Compatible UART:** Each port is equipped with a MOXA UART compatible with the industry-standard 16C550C, featuring a 64-byte FIFO for efficient data buffering and reduced CPU load. - **Embedded Surge Protection:** Built-in 16 kV ESD (Electrostatic Discharge) protection ensures robust operation in electrically noisy environments and safeguards connected devices. - **LED Indicators:** Integrated data flow LEDs provide real-time visual feedback of transmission and reception activity on each port. - **Flexible System Expansion:** Supports installation of up to 4 boards per system, allowing a total of 32 serial ports in one host PC. - **Compact Design:** Small form factor (110 x 135 mm) suitable for standard PCI slots with a 121 mm bracket. - **Comprehensive Software Support:** Includes MOXA software CD with drivers and utilities for easy configuration and integration. - **Optional Connection Accessories:** Multiple connector options (DB9 or DB25, male or female) available for flexible deployment. - **Industrial-Grade Reliability:** Designed for continuous operation in demanding industrial and commercial environments.

Manufacturer: Moxa

Category: RS232 8-Port

- **8 Independent RS-232 Ports:** Provides eight fully isolated asynchronous serial ports for simultaneous communication with multiple devices. - **Universal PCI Interface:** Compatible with both **3.3V and 5V PCI slots**, ensuring broad system compatibility across various PC and server architectures. - **High-Speed Data Transmission:** Supports baud rates from **50 bps up to 230.4 Kbps**, suitable for a wide range of serial communication applications. - **16550C-Compatible UARTs:** Each port is equipped with a **MOXA UART controller** that is **16C550C compatible**, featuring a **64-byte FIFO driver** for efficient data buffering and reduced CPU load. - **Embedded Surge Protection:** Integrated **16 kV ESD protection** on each port safeguards connected devices and the host system from electrostatic discharge and transient voltage spikes. - **LED Indicators:** Built-in **data flow LEDs** provide real-time visual feedback of transmission (Tx) and reception (Rx) activity. - **Compact Design:** The board’s **110 x 135 mm** form factor fits standard PCI slots, with a **121 mm standard bracket** for secure installation. - **Flexible Connector Options:** Uses a **DB62 female connector** on the board, with optional breakout cables or boxes for DB9 or DB25 connections. - **Multi-Board Support:** Up to **four CP-168U-V2 boards** can be installed in a single system, providing up to **32 serial ports** per host. - **Comprehensive OS Support:** Compatible with major operating systems through MOXA’s driver suite (included on CD). - **Industrial-Grade Reliability:** Designed for continuous operation in environments with temperature ranges from **0°C to 55°C** and humidity levels up to **95% RH**.

Manufacturer: Moxa

Category: RS232 8-Port

PCIe 8-port serial card plug&play card, 8*port RS232, each port 16950a Oxford compatible with 50..115200bps, memory map solution, DB62 female connector, included: connector cable DB62m to 8*DB9m =R804 (8*DB25m =R801 on request), max 2 cards/system, supports Win2k/XP/Vista/Linux/SCO, 87*80mm, Rayon

Manufacturer: Rayon

Category: RS232 8-Port

- **Eight Independent RS232 Ports:** Provides eight fully functional RS232 serial interfaces on a single PCIe card, ideal for multi-device connectivity in industrial control systems. - **Oxford 16950 Compatible Controller:** Ensures compatibility with widely used UART standards, offering advanced buffering and flow control for stable data transmission. - **PCI Express Interface:** Utilizes the PCIe bus architecture for high-speed data throughput and efficient system resource allocation. - **Plug & Play Installation:** Automatic memory and IRQ mapping assigned by the PCI BIOS, simplifying setup and configuration. - **Flexible Connectivity:** Equipped with a DB62 female connector on the card, with an included breakout cable (R804) that converts to eight DB9 male connectors. Optional cable (R801) provides eight DB25 male connectors. - **Wide OS Support:** Compatible with multiple operating systems including Windows 2000/XP/2003/Vista/7, Linux, and SCO UNIX variants. - **Industrial-Grade Design:** Built for reliability in industrial environments, supporting operating temperatures from 0°C to 55°C and humidity levels up to 95% RH. - **Compact Form Factor:** Small PCB footprint (87 mm x 80 mm) suitable for standard PCIe slots in desktop or industrial PCs. - **Scalable System Integration:** Supports up to two OPe958 cards per system, allowing expansion to 16 serial ports. - **Memory-Mapped I/O:** Efficient system resource management through PCI BIOS-assigned memory mapping and IRQ allocation.

Manufacturer: Rayon

Category: RS232 8-Port