- **Isolated PCI Serial Interface:** Provides one isolated RS232 communication port with dual mirrored outputs for redundancy or parallel communication. - **Dual Mirror Functionality:** Two DB9 male connectors mirror a single COM port, allowing simultaneous connection for polling and acknowledgment (Poll & Ack) applications. - **Flexible Interface Configuration:** Each connector can be independently configured via DIP switches to operate as RS232, RS422, or RS485 (depending on model variant). - **High Compatibility:** Fully compatible with 5V or 3.3V PCI bus slots, ensuring broad system integration. - **Plug & Play Operation:** Automatic I/O, memory, and IRQ mapping assigned by PCI BIOS for simplified installation. - **Industrial-Grade Design:** Built for industrial control systems requiring stable and isolated serial communication. - **Wide OS Support:** Compatible with Windows 2000, XP, Vista, Windows 7/8, and Linux operating systems. - **High-Speed Communication:** Supports baud rates from 50 to 115,200 bps per port. - **Compact Form Factor:** Standard PCI card dimensions with optional low-profile bracket for space-constrained systems. - **Durable Construction:** Manufactured using high-quality materials for long-term reliability in industrial environments.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

- **Dual Mirrored Serial Ports:** Provides two RS422/RS485 ports that mirror a single COM port, enabling simultaneous communication in **poll-and-acknowledge (Poll & Ack)** environments. - **Flexible Interface Configuration:** Each connector can be independently configured via **DIP switches** to operate as **RS232, RS422, or RS485**, depending on the model variant. - **High Compatibility:** Fully compatible with **ASIX MCS9865** serial communication controller, ensuring stable performance and broad driver support. - **Plug & Play PCI Interface:** Automatic **I/O, memory, and IRQ mapping** assigned by the PCI BIOS, simplifying installation and system integration. - **Industrial-Grade Design:** Designed for **industrial control applications**, offering reliable operation under demanding environmental conditions. - **Wide OS Support:** Compatible with **Windows 2000, XP, Vista, Windows 7/8**, and **Linux**, ensuring flexibility across legacy and modern systems. - **Compact Form Factor:** Standard PCI card dimensions of **100 × 97 mm**, with optional **low-profile brackets** available upon request. - **Single Voltage Operation:** Operates exclusively on **5V PCI slots**, ensuring stable power delivery and compatibility with standard PCI architectures. - **High-Speed Communication:** Supports baud rates from **50 to 115,200 bps**, suitable for a wide range of serial communication applications. - **Dual DB9 Connectors:** Equipped with **two DB9 male connectors**, providing robust and standardized physical interfaces for serial communication.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

- **Dual Mirror Port Design:** Shares one logical COM port across two physical connectors, enabling simultaneous mirrored communication for polling and acknowledgment (Poll & Ack) environments. - **Multi-Protocol Support:** Each connector can be independently configured via DIP switch to operate as RS232, RS422, or RS485, providing maximum flexibility for mixed serial communication environments. - **Hardware Isolation:** Electrical isolation between the PCI bus and serial interfaces enhances system reliability and protects against ground loops and electrical noise, critical for industrial applications. - **High Compatibility:** Fully compatible with 5V PCI bus slots and supports a wide range of operating systems including Windows 2000, XP, Vista, Windows 7/8, and Linux distributions. - **Plug & Play Configuration:** Automatic I/O, memory, and IRQ resource assignment by the PCI BIOS simplifies installation and eliminates manual configuration. - **High-Performance Serial Controller:** Utilizes the ASIX MCS9865 serial communication controller, providing advanced UART functionality and compatibility with 16950A standards for reliable high-speed data transfer. - **Flexible Baud Rate Range:** Supports baud rates from 50 to 115,200 bps, suitable for both legacy and modern serial communication requirements. - **Industrial-Grade Design:** Designed for continuous operation in industrial environments with wide temperature and humidity tolerance. - **Compact Form Factor:** Standard PCI bracket dimensions (100 × 97 mm) with optional low-profile bracket available upon request.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

- **Dual-Port Shared Design:** Two COM ports share a single RS232 interface, enabling one port to operate as the main communication channel while the second port monitors the same data stream. - **Configurable Interface:** Each port can be independently configured via DIP switches to operate as RS232, RS422, or RS485 (depending on model variant: AP2T1-I/1, AP2T1-I/2, or AP2T1-I/3). - **High Compatibility:** Fully compatible with 5V or 3.3V PCI bus slots, ensuring broad system integration across legacy and modern PCs. - **Plug & Play Operation:** Automatic I/O, memory, and IRQ mapping assigned by the PCI BIOS simplifies installation and configuration. - **Flexible Baud Rate:** Supports communication speeds from 50 to 115,200 bps, suitable for a wide range of serial devices. - **Industrial-Grade Reliability:** Designed for continuous operation in industrial environments with wide temperature and humidity tolerance. - **Operating System Support:** Compatible with Windows 2000, XP, Vista, Windows 7/8, Linux, and other operating systems. - **Compact Form Factor:** Standard PCI bracket with optional low-profile bracket available upon request. - **Single Voltage Operation:** Operates exclusively on 5V PCI power, ensuring stable performance in standard PCI slots. - **ASIX MCS9865 Controller:** Utilizes the reliable ASIX MCS9865 serial communication controller for stable and efficient data handling.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

- **Dual-Port Shared Design:** Two COM ports share a single RS232 connector, enabling simultaneous data monitoring and communication. - **Selectable Interface Configuration:** Each port can be configured independently via DIP switches to operate as RS232, RS422, or RS485 (depending on model variant). - **Isolation and Reliability:** Electrical isolation enhances signal integrity and protects connected devices from ground loops and electrical noise. - **High Compatibility:** Fully compatible with standard PCI bus architecture (5V or 3.3V slots). - **Plug-and-Play Operation:** Automatic I/O, memory, and IRQ mapping assigned by the PCI BIOS. - **Flexible Baud Rate Support:** Configurable baud rates from **50 to 115,200 bps** per port. - **Industrial-Grade Design:** Suitable for industrial control systems, automation, and data acquisition environments. - **Compact Form Factor:** Standard PCI card dimensions with optional low-profile bracket for space-constrained installations. - **Cross-Platform Support:** Compatible with Windows 2000, XP, Vista, Windows 7/8, Linux, and other operating systems. - **Durable Construction:** Built with high-quality materials for long-term reliability in demanding environments.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

- **Isolated Serial Communication:** Provides galvanic isolation for one RS422/RS485 port, ensuring protection against ground loops and electrical noise in industrial environments. - **Shared Port Architecture:** Two DB9 male connectors share a single COM port, enabling Poll & Acknowledge (Poll & Ack) communication schemes commonly used in industrial control systems. - **Flexible Interface Configuration:** Each connector can be independently configured for RS422 or RS485 operation using onboard DIP switches. - **High Compatibility:** Fully compatible with standard PCI bus architecture (5V only) and supports a wide range of operating systems including Windows 2000, XP, Vista, 7, 8, and Linux distributions. - **Plug & Play Operation:** Automatic I/O, memory, and IRQ resource allocation by the PCI BIOS simplifies installation and reduces configuration complexity. - **High-Performance UART:** Each port integrates an ASIX MCS9865-compatible 16950A UART controller supporting baud rates from 50 to 115,200 bps, ensuring reliable high-speed data transmission. - **Industrial-Grade Design:** Built with durable materials and designed for stable operation in environments with temperature ranges from 0°C to 55°C and humidity up to 95% RH. - **Compact Form Factor:** Standard PCI card dimensions (75 × 90 mm) with optional low-profile brackets available for space-constrained systems. - **Software Support:** Compatible with multiple operating systems and driver frameworks, ensuring broad deployment flexibility across legacy and modern platforms.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

- **Multi-Interface Support:** Each connector can be configured individually for RS232, RS422, or RS485 communication modes using onboard DIP switches. - **Shared Port Architecture:** Two DB9 male connectors share a single COM port, enabling Poll & Acknowledge (Poll & Ack) communication environments where multiple devices communicate sequentially through a shared channel. - **High Compatibility:** Fully compatible with Windows 2000, XP, Vista, Windows 7/8, and Linux operating systems. - **Plug-and-Play PCI Integration:** Automatic I/O, memory, and IRQ mapping assigned by the PCI BIOS ensures seamless installation without manual configuration. - **Industrial-Grade Design:** Designed for industrial control and automation systems requiring robust and isolated serial communication. - **ASIX MCS9865 Controller:** Incorporates the MCS9865 UART controller, providing high-performance serial communication with 16950A compatibility and FIFO buffering for stable data transmission. - **Electrical Isolation:** Provides galvanic isolation between the PCI bus and serial interface, protecting host systems from electrical surges and ground loops. - **Single Voltage Operation:** Operates exclusively on a 5V PCI bus, ensuring stable performance in legacy and industrial PC environments. - **Compact Form Factor:** Dimensions of 75 × 90 mm make it suitable for space-constrained installations; low-profile brackets are available upon request. - **Flexible Configuration:** DIP switch configuration allows users to select interface type and communication parameters easily.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

- **Single-Port Shared Design:** Provides one logical COM port shared across two physical DB9 connectors, enabling Poll & Acknowledge (Poll & Ack) communication environments. - **Flexible Interface Configuration:** Each connector can be independently configured for RS422 or RS485 operation using onboard DIP switches. - **High Compatibility:** Fully compatible with PCI bus systems operating at 5V. The card is recognized automatically by the PCI BIOS, which assigns I/O, memory, and IRQ resources dynamically. - **ASIX MCS9865 Controller:** Utilizes the reliable and high-performance ASIX MCS9865 serial communication controller, ensuring stable data transmission and broad driver support. - **Wide OS Support:** Compatible with multiple operating systems including Windows 2000, XP, Vista, Windows 7/8, and Linux distributions. - **Industrial-Grade Design:** Designed for industrial control applications requiring robust and stable serial communication. - **Compact Form Factor:** Standard PCI card dimensions (75 × 90 mm) with optional low-profile brackets available upon request. - **Plug & Play Configuration:** Automatic resource allocation via PCI BIOS simplifies installation and reduces configuration complexity. - **Single Voltage Operation:** Operates exclusively on 5V PCI slots, ensuring compatibility with legacy and industrial-grade systems.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

- **Multi-Protocol Serial Interface:** Supports **RS232, RS422, and RS485** communication standards, selectable per port via DIP switch. - **Shared Port Architecture:** Two DB9 male connectors share a single COM port, enabling **Poll & Acknowledge (Poll & Ack)** communication environments. - **Flexible Configuration:** Each connector can independently be configured for RS232, RS422, or RS485 operation. - **High Compatibility:** Fully compatible with **Windows 2000, XP, Vista, Windows 7/8**, and **Linux** operating systems. - **Plug & Play PCI Interface:** Automatic I/O, memory, and IRQ mapping assigned by the PCI BIOS for simplified installation. - **High-Speed Communication:** Supports baud rates from **50 to 115,200 bps**. - **Industrial-Grade Design:** Suitable for industrial control systems, automation equipment, and embedded PC applications. - **Compact Form Factor:** Standard PCI card dimensions with optional low-profile bracket for space-constrained systems. - **Reliable Chipset:** Built around the **ASIX MCS9865** serial communication controller, ensuring stable and efficient data transmission. - **Single Voltage Operation:** Designed for **5V PCI bus slots only**, ensuring electrical stability and compatibility with standard PCI systems.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

The **APCON301-I** is a high-performance, dual-port PCI serial communication card designed for industrial and embedded control systems requiring robust, isolated serial connectivity. It provides **two independent serial ports**, one of which is **ground-isolated** and configurable for **RS232, RS422, or RS485** operation via DIP switch selection. The second port is a standard **RS232** interface. **Key Functional Highlights:** - **Dual-port PCI serial card** with one isolated and one standard port. - **Ground isolation** on Port A to protect host systems from electrical noise and ground loops. - **Selectable interface modes** (RS232/RS422/RS485) for Port A via onboard DIP switches. - **ADDC (Auto Data Direction Control)** support for RS485 communication, enabling automatic transmit/receive switching. - **Plug-and-play PCI interface** with automatic I/O, memory, and IRQ resource assignment by the PCI BIOS. - **High-speed communication** supporting baud rates from **50 bps to 115,200 bps**. - **16950A UART (Moschip MCS9922 compatible)** for enhanced buffering and performance. - **DB9 male connectors** for both ports, ensuring compatibility with standard serial cables. - **Low-profile bracket option** available for compact or embedded PC systems. - **Cross-platform driver support** for Windows (Win7/Win2K/XP/Vista) and Linux/SCO environments. - **Industrial-grade reliability** with wide operating temperature and humidity tolerance. - **Compact PCB design** (100 mm x 97 mm) suitable for standard PCI slots (5V or 3.3V). **Unique Selling Points:** - Provides **hardware-level isolation** between PC and external devices, preventing damage from voltage surges or ground potential differences. - **Flexible configuration** allows a single card to serve multiple serial communication standards. - **Ideal for industrial control**, SCADA, and automation systems requiring robust serial communication. - **Cost-effective solution** that eliminates the need for multiple dedicated converter boxes.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

- **Dual-Port Serial Communication:** Two independent serial ports per card, each configurable for RS232, RS422, or RS485 operation. - **Ground Isolation:** Port A provides galvanic isolation from the PCI bus and Port B, protecting connected equipment from ground loops and electrical noise. - **Flexible Interface Configuration:** Each port’s interface type (RS232/RS422/RS485) can be selected via onboard DIP switches, enabling versatile deployment in mixed communication environments. - **Integrated Monitoring Function:** Both serial ports can monitor data streams in real time, allowing users to capture, log, and analyze communication between devices without interrupting data flow. - **High Compatibility:** Fully compatible with Windows 2000, XP, Vista, 7, 8, and Linux operating systems. - **Plug-and-Play PCI Interface:** Automatic I/O, memory, and IRQ mapping assigned by the PCI BIOS, simplifying installation and configuration. - **High-Speed Communication:** Supports baud rates from 50 to 115,200 bps per port. - **Industrial-Grade Reliability:** Designed for continuous operation in industrial control, SCADA, and laboratory environments. - **Compact Design:** Standard PCI form factor (100 × 97 mm) with optional low-profile bracket for space-constrained systems. - **Software Utility Support:** Compatible with RAYON’s “RAYREAL” monitoring software for simultaneous dual-port data visualization and analysis. - **Hardware Controller:** Utilizes the ASIX MCS9865 serial communication controller for stable, high-performance operation. - **Power Supply:** Draws power directly from the PCI slot (5V or 3.3V). - **Protective Isolation:** Prevents damage from ground potential differences and electrical surges between connected devices.

Manufacturer: Rayon

Category: Sharer/Converter 1-2 Ports

- **Four Independent RS232 Ports:** Each port operates independently, allowing simultaneous communication with multiple serial devices. - **High-Performance Controller:** Utilizes the Moschip MCS9904 serial communication controller, compatible with MCS9900 architecture, providing robust data handling and reduced CPU load. - **PCI Express Interface:** Fully compliant with PCIe bus architecture, supporting plug-and-play installation and automatic resource allocation by the system BIOS. - **Flexible Baud Rate Configuration:** Each port supports software-programmable baud rates from 50 bps up to 115,200 bps, suitable for a wide range of serial communication devices. - **Automatic Resource Mapping:** I/O, memory, and IRQ assignments are automatically managed by the PCI BIOS, simplifying installation and configuration. - **DB37 Connector Interface:** The card features a DB37 female connector, which connects to an included breakout cable providing four DB9 male connectors for standard RS232 interfacing. - **Cross-Platform Compatibility:** Supports Windows 2000, XP, 2003, Vista, Windows 7, and Linux operating systems. - **Industrial-Grade Design:** Built for industrial control systems, automation, and data acquisition environments requiring stable and continuous serial communication. - **128-Byte FIFO Buffers:** Each transmit and receive channel includes a 128-byte FIFO buffer, minimizing CPU interrupts and improving overall system performance. - **Flow Control Support:** Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control mechanisms. - **Compact Form Factor:** Standard PCIe bracket design with compact dimensions suitable for most PC/AT systems. - **Wide Environmental Tolerance:** Designed to operate in environments with temperatures from 0°C to 55°C and humidity up to 95% RH.

Manufacturer: Rayon

Category: RS232 4-Ports

- **Four Independent RS232 Serial Ports:** Provides four asynchronous serial communication channels via ISA bus interface. - **16550A UART Compatibility:** Each port uses a 16550A‑compatible UART with 16‑byte transmit and receive FIFOs, ensuring efficient buffered communication and reduced CPU overhead. - **High‑Speed Data Transmission:** Supports baud rates from **50 bps up to 115,200 bps**, software‑selectable per port. - **Plug‑and‑Play ISA Interface:** Designed for standard ISA bus systems, allowing easy integration into legacy PC/AT architectures. - **Flexible Connector Options:** Includes a **DB37 female connector** on the card with a breakout cable to **four DB9 male** connectors (or optional **four DB25 male** connectors on request). - **Multi‑Operating System Support:** Compatible with **DOS**, **Windows 95/98/ME/NT/2000/XP**, **Linux**, and **SCO OpenServer**. - **Dual‑Card System Support:** Up to **two A402 cards per system**, enabling up to eight serial ports in a single PC. - **Robust Design for Industrial and Embedded Use:** Engineered for reliability in industrial automation, instrumentation, and communication control systems. - **Flow Control Options:** Supports both **hardware (RTS/CTS)** and **software (XON/XOFF)** flow control mechanisms. - **Comprehensive Driver Package:** Includes drivers and installation utilities for multiple operating systems, ensuring broad compatibility and ease of deployment.

Manufacturer: Rayon

Category: RS232 4-Ports

- **Eight Independent RS232 Ports:** Provides eight fully functional serial ports for simultaneous communication with multiple RS232 devices. - **16550A UART Compatibility:** Each port integrates a 16550A-compatible UART, ensuring hardware buffering and efficient interrupt handling for high-speed data transmission. - **High-Speed Data Transfer:** Supports baud rates from 50 bps up to 115,200 bps, suitable for a wide range of serial communication requirements. - **ISA Bus Interface:** Designed for standard 16-bit ISA bus architecture, ensuring compatibility with legacy industrial PCs and embedded systems. - **Comprehensive OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO UNIX, providing flexibility across diverse system environments. - **Compact Design:** Small PCB footprint (122 mm × 101 mm) allows installation in space-constrained systems. - **Flexible Connector Options:** Includes a DB37 female to 8 × DB9 male breakout cable; optional DB25 male cable available upon request. - **Multi-Card Support:** Up to two A480 cards can be installed in a single system, expanding the total number of available serial ports to sixteen. - **Industrial Reliability:** Built with high-quality components and designed for continuous operation in demanding environments.

Manufacturer: Rayon

Category: RS232 4-Ports

- **Four Independent RS232 Ports:** Provides four fully functional RS232 serial ports on a single PCIe card, each capable of independent configuration and operation. - **Low Profile PCIe Form Factor:** Compact 92 × 69 mm PCB with a low-profile bracket suitable for small form factor and industrial PCs. - **High-Performance Controller:** Built around the **Moschip MCS9904** serial communication controller, offering advanced buffering and efficient interrupt handling. - **Flexible Baud Rate Configuration:** Each port supports baud rates from **50 to 115,200 bps**, suitable for a wide range of serial devices. - **Plug & Play PCIe Interface:** Automatic I/O, memory, and IRQ mapping assigned by the PCI BIOS, eliminating manual configuration. - **Comprehensive OS Support:** Compatible with **Windows 2000, XP, Vista, Windows 7**, and **Linux** operating systems. - **Industrial-Grade Reliability:** Designed for continuous operation in industrial environments with wide temperature and humidity tolerance. - **Included Multi-Port Cable:** Ships with a **DB44 male to 4 × DB9 male** breakout cable for easy connection to standard serial devices. - **Optional Cable Configurations:** Supports optional **DB44 male to 4 × DB25 male** cable for alternate connector requirements. - **Compatible with APCIe Family Drivers:** Uses the same driver architecture as other Rayon APCIe cards, simplifying multi-card installations. - **Ideal for Industrial Control Applications:** Optimized for SCADA systems, PLC communication, CNC machinery, and serial instrumentation.

Manufacturer: Rayon

Category: RS232 4-Ports

- **Four Independent RS-232 Ports:** Each port operates independently with its own I/O address and IRQ configuration. - **High-Speed Data Transfer:** Supports baud rates up to **921.6 kbps**, ensuring fast and reliable communication for demanding serial applications. - **TI550C UART with 32-Byte FIFO:** Provides efficient buffering and minimizes CPU overhead, preventing data loss during high-speed transmission. - **Custom ASIC Design:** Integrates multiple discrete components into a single chip, reducing board size to half-length and improving reliability. - **Software-Configurable Hardware:** No jumpers or DIP switches required; configuration is stored in onboard EEPROM and managed via software utilities. - **Flexible IRQ and I/O Addressing:** Supports IRQ 2–5, 7, 10–12, and 15, with full 16-bit AT bus architecture. - **Hardware Flow Control:** On-chip RTS/CTS and DTR/DSR flow control ensures stable communication with modems and other serial devices. - **Comprehensive OS Support:** Compatible with Windows NT, Windows 95/98, DOS, Windows 3.x, Linux, SCO UNIX/XENIX/OpenServer, QNX, FreeBSD, and OS/2. - **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:** Dimensions of 157 mm × 83 mm allow installation in space-constrained systems. - **High Reliability:** ASIC design and FIFO buffering eliminate data loss even under heavy load. - **Connector Options:** Includes DB37-to-4×DB9 male cable (Opt4D) or optional DB37-to-4×DB25 male cable (Opt4C).

Manufacturer: Moxa

Category: RS232 4-Ports

- **Four RS-232 Ports:** Provides four independent asynchronous serial ports for multi-device connectivity. - **High-Speed Communication:** Supports data transfer rates from 50 bps up to 921.6 Kbps. - **TI 16C550C UART:** Each port uses a high-performance 16C550C or compatible UART with 32-byte transmit/receive FIFO buffers for efficient data handling. - **Plug and Play PCI Interface:** Fully compliant with PCI Specification 2.1; IRQ and I/O addresses are automatically assigned by the PCI BIOS—no jumpers or switches required. - **On-Chip Hardware Flow Control:** Ensures no data loss during high-speed transmission. - **Compact Half-Size Design:** Board dimensions of 120 mm × 100 mm allow installation in standard PCI slots without occupying excessive space. - **Optional Surge Protection:** The C104HS/PCI variant includes 2 kV surge protection for harsh industrial environments. - **Comprehensive OS Support:** Compatible with Windows NT, Windows 95/98, and DOS. - **Powerful Software Tools:** Bundled with Moxa’s _PComm_ Lite communication library and utilities for diagnostics, monitoring, and terminal emulation. - **Flexible Connectivity:** Includes a DB37-to-4×DB9 male fan-out cable (DB25 male option available). - **Reliable ASIC Design:** Ensures stable operation and long-term reliability in industrial and commercial applications.

Manufacturer: Moxa

Category: RS232 4-Ports

- **High-Speed Serial Communication:** Supports baud rates up to **921.6 kbps**, enabling fast and reliable data transfer for industrial and commercial applications. - **4 Independent RS-232 Ports:** Each port operates independently with its own I/O address and IRQ configuration. - **Surge Protection:** Built-in **2 kV isolation** for each port ensures protection against electrical surges and transient voltages. - **Advanced ASIC Design:** Custom-designed ASIC replaces multiple discrete ICs, reducing board size and improving reliability. - **16550 UART Compatibility:** Each port uses a 16550 or compatible UART with 16-byte FIFO buffers for efficient data handling and reduced CPU load. - **Software-Configurable Hardware:** No jumpers or DIP switches required; configuration is stored in on-board EEPROM and managed via software utility (Io-irq.exe). - **Flexible IRQ and I/O Addressing:** Supports IRQs 2, 3, 4, 5, 7, 10, 11, 12, and 15, and I/O address range from 0x0000 to 0xFFFF. - **Hardware Flow Control:** On-chip RTS/CTS flow control prevents data loss during high-speed transmission. - **Compact Half-Size ISA Board:** Dimensions of 157 mm × 83 mm allow installation in space-constrained systems. - **Multi-OS Support:** Compatible with Windows NT, Windows 95/98, DOS, Windows 3.x, Linux, SCO UNIX/XENIX/OpenServer, QNX, FreeBSD, and OS/2. - **Diagnostic and Programming Tools:** Bundled with Moxa’s PComm (Windows) and API-232 (DOS) libraries for application development and diagnostics. - **Comprehensive Surge and EMI Protection:** Designed for industrial environments with robust electrical protection.

Manufacturer: Moxa

Category: RS232 4-Ports

- **Four RS-232 Ports:** Provides four independent asynchronous serial communication channels. - **High-Speed Data Transfer:** Supports baud rates from 50 bps up to 921.6 Kbps. - **Advanced UART Controller:** Equipped with four 16C550C or compatible UARTs, each with 32-byte transmit and receive FIFOs for efficient data handling. - **Hardware Flow Control:** On-chip RTS/CTS flow control ensures no data loss during high-speed transmission. - **Surge Protection:** Integrated 2000 V surge protection on each port (C104HS/PCI model only) for enhanced reliability in harsh environments. - **Plug and Play PCI Interface:** Fully compliant with PCI Specification 2.1; IRQ and I/O addresses are automatically assigned by the system BIOS. - **Compact Half-Size Design:** Board dimensions of 120 mm × 100 mm allow installation in standard PCI slots. - **Operating System Support:** Compatible with Windows NT, Windows 95/98, and DOS. - **Software Tools:** Bundled with Moxa’s _PComm_ Lite communication library and utilities for diagnostics, monitoring, and terminal emulation. - **Flexible Connectivity:** Includes DB37-to-DB25 (Opt4C) or DB37-to-DB9 (Opt4D) fan-out cable options. - **Reliability and Stability:** ASIC-based design ensures consistent performance and long-term durability.

Manufacturer: Moxa

Category: RS232 4-Ports

- **Four Independent RS-232 Ports:** Each port operates independently with its own I/O address and IRQ configuration. - **Custom ASIC Design:** Reduces component count and board size to half-length ISA form factor. - **Software Configuration:** No jumpers or DIP switches; all settings are stored in onboard EEPROM and configured via software utility (Io-irq.exe). - **16550 UARTs:** Each port uses a TI 16550 UART with 16-byte FIFO buffers for efficient data handling. - **16-bit AT Bus Architecture:** Ensures compatibility with ISA and EISA systems and supports multiple IRQs. - **Operating System Support:** Drivers provided for Windows NT, Windows 95/98, DOS, and Windows 3.x; compatible with Linux, SCO UNIX/XENIX/OpenServer, QNX, FreeBSD, and OS/2. - **High Compatibility:** Fully compatible with other multiport boards using 16450/16550 UARTs. - **Quick Installation Mode:** Allows automatic configuration under Windows NT/95/98 without running DOS utilities. - **Comprehensive Software Tools:** Includes PComm (Windows) and API-232 (DOS/Windows 3.x) libraries for application development. - **Diagnostic and Monitoring Utilities:** Built-in tools for port testing, monitoring, and terminal emulation. - **Compact Half-Size Board:** Ideal for space-constrained industrial and commercial PC systems.

Manufacturer: Moxa

Category: RS232 4-Ports

- **Four Independent RS-232 Ports:** Provides four asynchronous serial communication channels for connecting multiple serial devices simultaneously. - **High-Speed Data Transmission:** Supports baud rates from **50 bps up to 921,600 bps**, ensuring compatibility with both legacy and high-speed serial devices. - **Advanced UART Controller:** Equipped with **Texas Instruments 16550C UART** featuring a **16-byte FIFO buffer** per port, reducing CPU load and improving data throughput. - **Surge and ESD Protection:** Built-in **25 kV ESD protection** on each port ensures reliable operation in electrically noisy industrial environments and safeguards connected equipment. - **Compact, Space-Saving Design:** Optimized for embedded systems with a **small footprint of 157 mm × 83 mm**, allowing installation in space-constrained enclosures. - **RJ45 Connectors:** Each serial port uses an **RJ45 interface**, simplifying cabling and enabling flexible connection options with RJ45-to-DB9 or RJ45-to-DB25 adapters. - **Software-Based Configuration:** No jumpers or DIP switches required; all port parameters (I/O address, IRQ, etc.) are configured via software utilities, simplifying setup and maintenance. - **AT Bus Interface:** Designed for **ISA/AT bus architecture**, ensuring compatibility with legacy industrial PCs and embedded controllers. - **Industrial-Grade Reliability:** Engineered for continuous operation in demanding environments, with robust electrical isolation and durable components.

Manufacturer: Moxa

Category: RS232 4-Ports

- **Four Independent RS-232 Ports:** Provides four fully functional serial communication channels for simultaneous data transmission and reception. - **High-Speed Data Transfer:** Supports baud rates from **50 bps up to 921,600 bps**, enabling compatibility with a wide range of serial devices and communication requirements. - **TI 16550C UART Chipset:** Each port is equipped with a **16-byte FIFO buffer**, ensuring efficient data handling, reduced CPU load, and minimized data loss during high-speed communication. - **Software-Based Configuration:** No jumpers or DIP switches are required; all port parameters (I/O address, IRQ, etc.) are configured via software utilities, simplifying installation and maintenance. - **Compact AT Form Factor:** Designed for embedded and industrial PC systems with limited space, measuring **157 mm x 83 mm**, allowing easy integration into standard AT slots. - **RJ45 Connectors:** Utilizes RJ45 connectors for serial port connections, offering a compact and secure interface that simplifies cabling and reduces clutter. - **Space-Saving Design:** Optimized for embedded systems and compact industrial PCs where board space is at a premium. - **Wide Baud Rate Range:** Supports both low-speed and high-speed serial communication, making it suitable for diverse industrial applications. - **Reliable Industrial-Grade Construction:** Engineered for continuous operation in demanding environments, ensuring long-term stability and durability. - **Moxa Software Support:** Compatible with Moxa’s configuration and diagnostic tools for easy setup, monitoring, and troubleshooting.

Manufacturer: Moxa

Category: RS232 4-Ports

- **Four Independent RS232 Ports:** Provides four fully functional RS232 serial interfaces for simultaneous communication with multiple serial devices. - **High-Speed Data Transfer:** Supports baud rates up to **921.6 kBd**, ensuring fast and reliable data transmission for demanding applications. - **Advanced UART Controller:** Equipped with **16550-compatible UARTs** featuring **128-byte FIFO buffers**, minimizing CPU load and improving data throughput. - **PCI Express Interface:** Utilizes the PCI Express bus standard for high-speed, low-latency communication with the host system. - **Compact Design:** Compact PCB dimensions of **114 mm x 104 mm**, suitable for standard and small form factor PCs. - **Low Power Requirement:** Operates solely on **3.3V DC** power supplied through the PCIe slot, eliminating the need for external power sources. - **Flexible Connectivity:** Includes **two DB9 male D-sub connectors** on the main bracket and an additional **SM23410 bracket** providing two more DB9 male connectors for COM2 and COM3. - **Scalable Configuration:** Supports installation of up to **four COM-8504 boards per PC**, allowing expansion up to 16 serial ports in a single system. - **Industrial-Grade Reliability:** Designed for continuous operation in industrial environments with robust electrical design and stable signal integrity. - **Plug-and-Play Compatibility:** Fully compliant with PCI Express standards, ensuring easy installation and automatic resource allocation by the operating system.

Manufacturer: JS Automation

Category: RS232 4-Ports

- **Four Independent RS-232 Ports:** Provides four fully functional RS-232 serial interfaces for connecting multiple serial devices simultaneously. - **PCI Express x1 Interface:** Fully compliant with PCI Express x1 specifications, ensuring compatibility with any PCIe slot (x1, x4, x8, x16). - **High-Speed Data Transmission:** Supports baud rates from 50 bps up to 921.6 Kbps for fast and stable data communication. - **Turbo Serial Engine™ Technology:** Incorporates Moxa’s proprietary high-performance serial communication chip (MU860) with 128-byte FIFO for optimized throughput and reduced CPU load. - **Comprehensive Flow Control:** Supports both hardware (RTS/CTS) and software (XON/XOFF) flow control for reliable data transfer. - **Full Modem Control Signals:** Ensures compatibility with a wide range of serial peripherals and legacy equipment. - **Low Profile Form Factor:** Compact 67.21 x 100 mm design suitable for small form factor PCs and embedded systems. - **15 kV ESD Protection:** On-board electrostatic discharge protection safeguards the board and connected devices from electrical surges. - **LED Indicators:** On-board transmit (red) and receive (green) LEDs for easy monitoring and maintenance. - **Wide OS Support:** Drivers available for Windows, Linux, Unix, DOS, and embedded operating systems. - **Flexible Cable Options:** Includes DB44-to-DB9 or DB44-to-DB25 breakout cables for versatile connectivity. - **Long-Term Reliability:** Backed by a 5-year manufacturer warranty and Moxa’s industrial-grade quality assurance.

Manufacturer: Moxa

Category: RS232 4-Ports

- **Universal PCI Compatibility:** Supports both 3.3V and 5V PCI slots, ensuring compatibility with virtually all modern PC servers and industrial computers. - **Four Independent RS-232 Ports:** Provides four fully independent serial communication channels for simultaneous data transmission and reception. - **High-Speed Data Transfer:** Supports baud rates from 50 bps up to 230.4 Kbps, suitable for a wide range of serial communication applications. - **Low-Profile Design:** Compact 65 × 120 mm form factor with an 80 mm low-profile bracket, ideal for space-constrained systems and rack-mounted servers. - **Embedded Surge Protection:** Integrated 16 kV ESD protection on all signal lines ensures robust operation in electrically noisy environments. - **Advanced UART Controller:** Equipped with MOXA’s proprietary UART (16C550C compatible) featuring a 64-byte FIFO for efficient data buffering and reduced CPU load. - **Flexible Connector Options:** Standard DB-44 female connector on the board, with included breakout cable to four DB9 male connectors (DB25 optional). - **Plug-and-Play Configuration:** BIOS automatically assigns I/O addresses and IRQs, simplifying installation and system integration. - **Comprehensive Software Support:** Includes MOXA Software CD with drivers and utilities for major operating systems. - **Regulatory Compliance:** Certified to CE and FCC standards for electromagnetic compatibility and safety.

Manufacturer: Moxa

Category: RS232 4-Ports