- **Eight RS-232 Ports:** Provides eight independent RS-232 serial ports, each terminated with a **male DB9 connector**, allowing simultaneous connection of up to eight serial devices. - **High-Density Connector Interface:** Utilizes a **DB62 (62-pin D-sub)** connector to interface with compatible Moxa multiport serial boards, simplifying cabling and reducing clutter. - **Bundled Cable:** Supplied with a **1.5-meter DB62-to-DB62 shielded cable**, ensuring secure and interference-free communication between the host card and the connector box. - **Compatibility:** Fully compatible with **Moxa C168 and C218 series** multiport serial boards, ensuring seamless integration and plug-and-play operation. - **Industrial-Grade Design:** Built with durable materials suitable for continuous operation in industrial, laboratory, and commercial environments. - **Standard RS-232 Signaling:** Supports standard RS-232 signal levels and pin assignments, ensuring interoperability with a wide range of serial devices such as modems, sensors, PLCs, and terminals. - **Compact and Organized Layout:** The 8-port configuration consolidates multiple serial connections into a single, easily managed enclosure, reducing cable management complexity. - **Ease of Installation:** Designed for quick setup with minimal configuration, using standard D-sub connectors and pre-terminated cables. - **Reliable Signal Transmission:** Shielded cable and robust connectors minimize signal degradation and electromagnetic interference (EMI).

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight RS-232 Ports:** Provides eight independent RS-232 male RJ45 connectors for simultaneous serial connections. - **Compact Distribution Box:** Combines multiple serial interfaces into a single enclosure, reducing cable clutter and simplifying installation. - **RJ45 Connector Interface:** Uses standard RJ45 connectors for RS-232 signals, enabling easy integration with existing cabling infrastructure. - **High-Quality Signal Transmission:** Ensures stable and reliable RS-232 communication with minimal signal loss or interference. - **Industrial-Grade Design:** Built for durability and consistent performance in demanding environments such as automation, manufacturing, and data communication systems. - **Plug-and-Play Operation:** No configuration or software setup required; functions as a passive connection interface. - **Compatibility:** Works seamlessly with Moxa serial device servers, terminal servers, and other RS-232 communication equipment. - **Flexible Mounting Options:** Suitable for desktop, panel, or DIN-rail mounting depending on installation requirements. - **Maintenance-Free Operation:** Passive design eliminates the need for power supply or firmware updates.

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight RS-232 Ports:** Provides eight independent RS-232 (DCE) communication ports, each equipped with a **female DB25 connector** for direct connection to serial devices. - **DCE Configuration:** Configured as Data Communication Equipment (DCE), allowing direct connection to Data Terminal Equipment (DTE) such as PCs, terminals, or controllers without the need for null-modem adapters. - **High-Quality Connectivity:** Ensures stable signal transmission and minimal interference across all ports, suitable for demanding industrial communication environments. - **Integrated Connection Cable:** Supplied with a **1.5-meter DB62-to-DB62 cable**, enabling direct connection between the Opt8A box and compatible Moxa serial boards (C168/C218). - **Compact and Durable Design:** The enclosure measures **247 × 108 × 35 mm**, providing a compact footprint for desktop or rack-mounted installations while maintaining mechanical robustness. - **Plug-and-Play Integration:** Designed for seamless integration with Moxa’s C168 and C218 multiport serial boards, ensuring quick setup and reliable operation. - **Industrial-Grade Reliability:** Built with high-quality materials and connectors to ensure long-term durability and consistent performance in continuous operation environments. - **Ease of Maintenance:** Modular design allows easy access to connectors and cables for maintenance or replacement.

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight RS-232 Ports:** Provides eight independent RS-232 (DTE) ports, each with a male DB25 connector, enabling simultaneous connection of multiple serial devices. - **High Compatibility:** Specifically designed for Moxa’s C168 and C218 series multiport serial boards, ensuring seamless integration and optimal performance. - **Bundled Connection Cable:** Includes a 1.5-meter DB62-to-DB62 cable for direct connection between the Opt8B box and the compatible Moxa serial board. - **Compact and Durable Design:** The enclosure measures 247 × 108 × 35 mm, offering a space-efficient form factor suitable for rack shelves, control panels, or desktop setups. - **Industrial-Grade Reliability:** Built with Moxa’s quality standards for stable signal transmission, low interference, and long-term durability in demanding environments. - **Plug-and-Play Operation:** Simplifies installation and configuration, requiring no additional power supply or complex setup. - **Standardized Connectors:** Uses standard DB25 male connectors for broad compatibility with RS-232 devices, cables, and adapters. - **Optimized Signal Integrity:** Designed to maintain signal quality across all eight ports, minimizing crosstalk and ensuring consistent communication performance.

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight-Port RS-232 Connectivity:** Provides eight independent RS-232 (DTE) ports from a single DB62 connector, simplifying multi-device serial communication setups. - **Octopus Cable Design:** The “octopus” configuration allows flexible routing and organized cable management, reducing clutter and improving accessibility in dense installations. - **High Compatibility:** Specifically designed for Moxa C168 and C218 series multiport serial boards, ensuring seamless electrical and mechanical integration. - **Standard DB25 Male Connectors:** Each of the eight output connectors is a standard DB25 male interface, compatible with a wide range of RS-232 devices and accessories. - **1-Meter Cable Length:** Provides sufficient reach for rack-mounted or desktop configurations while minimizing signal degradation and maintaining a clean installation layout. - **Durable Construction:** Built with industrial-grade materials to ensure long-term reliability, signal stability, and resistance to mechanical stress. - **Plug-and-Play Integration:** No additional configuration required; simply connect the DB62 end to the host board and the DB25 connectors to the target devices. - **Optimized Signal Integrity:** Shielded cable design minimizes electromagnetic interference (EMI) and crosstalk between channels, ensuring stable data transmission. - **Compact and Lightweight:** Designed for efficient space utilization in control cabinets, server racks, or workstation environments.

Manufacturer: Moxa

Category: RS232 8-Port

- **8-Port RS-232 Connectivity:** Provides eight independent RS-232 (DTE) channels from a single DB62 connector, allowing simultaneous communication with multiple serial devices. - **Optimized for Moxa C168/C218 Series:** Designed specifically for compatibility with Moxa’s multiport serial boards, ensuring seamless integration and reliable performance. - **High-Quality Construction:** Built with durable materials and precision-molded connectors to ensure signal integrity, mechanical stability, and long service life in industrial environments. - **Compact Octopus Design:** The “octopus” cable layout minimizes clutter and simplifies cable management by branching eight DB9 connectors from a single DB62 interface. - **Standard Male DB9 Connectors:** Each RS-232 port terminates in a male DB9 connector, compatible with standard serial devices such as modems, sensors, PLCs, and instrumentation. - **1-Meter Cable Length:** Provides sufficient reach for rack-mounted or desktop installations while minimizing signal degradation and cable congestion. - **Plug-and-Play Compatibility:** No additional configuration required; simply connect to the Moxa serial board and attach RS-232 devices. - **Industrial Reliability:** Engineered for stable operation in demanding industrial and commercial environments, with robust shielding and strain relief to prevent signal loss and mechanical wear.

Manufacturer: Moxa

Category: RS232 8-Port

- **Eight RS-232 Ports:** Provides eight independent RS-232 serial ports, each with a female DB25 connector, allowing simultaneous connection of multiple serial devices. - **Surge Protection:** Built-in surge protection safeguards connected equipment from transient voltage spikes, ensuring stable and reliable communication in electrically noisy environments. - **High Compatibility:** Designed for seamless integration with Moxa’s C168 and C218 multiport serial interface cards, ensuring plug-and-play operation. - **Compact and Durable Design:** The enclosure measures 247 × 108 × 35 mm, offering a space-efficient form factor suitable for rack, panel, or desktop installations. - **Preassembled Connection Cable:** Includes a 1.5-meter DB62-to-DB62 cable for direct connection between the Opt8S box and the host serial board, minimizing setup complexity. - **Industrial Reliability:** Engineered for continuous operation in industrial and commercial communication systems, supporting stable data transmission across multiple serial channels. - **Ease of Maintenance:** Modular design allows quick replacement or reconfiguration of serial connections without rewiring the entire system.

Manufacturer: Moxa

Category: RS232 8-Port

- **Embedded RISC Processor:** Equipped with a 133 MHz TMPR3927 RISC CPU capable of one instruction per cycle, delivering approximately 3927 MIPS of processing power. - **Large Local Memory:** Integrated 16 MB SDRAM dual-port memory accessible by both the local processor and host system. Each serial port can utilize up to 1 MB receive buffer and 512 KB transmit buffer. - **Universal PCI Compatibility:** Supports both 3.3 V and 5 V PCI bus standards at 33 MHz, ensuring compatibility with modern 64‑bit PCI slots. - **High-Speed Serial Communication:** Supports baud rates from 110 bps up to 230,400 bps (230 kBd). Software compatibility mapping allows legacy applications to use standard baud rate identifiers. - **Eight-Port RS‑232 Interface:** Provides eight independent serial channels via a DB‑62 connector and breakout cable (DB‑9 or DB‑25). Each port supports full modem control and hardware/software flow control. - **Flexible Interface Options:** Supports RS‑232, RS‑422, and RS‑485 modes through optional converter boxes (e.g., RS4232‑8 for ground-isolated RS‑422/485). - **Ground Isolation Capability:** When used with RS4232‑8 or IF‑series boxes, provides galvanic isolation for industrial environments to prevent ground loops and signal interference. - **Operating System Support:** Fully supported under Windows NT, 2000, XP, Vista, Windows 7, Linux (kernel 2.2–2.6+), and SCO UNIX/OpenServer. - **High Expandability:** Up to two cards per system, supporting a total of 128 serial ports/users. - **Compact Form Factor:** Dimensions 159 mm (L) × 109 mm (H), designed for standard PCI slots.

Manufacturer: Rayon

Category: RS232 8-Port

- **Eight Independent RS232 Ports:** Provides eight fully functional serial ports, each compliant with RS232C standards. - **16550A-Compatible UARTs:** Each port integrates a 16C550A-compatible UART with 16-byte transmit and receive FIFOs, minimizing CPU interrupts and improving data throughput. - **Plug & Play PCI Interface:** Fully compliant with PCI Local Bus Specification Rev. 2.1. Automatic resource assignment (I/O address, IRQ) by PCI BIOS—no manual configuration required. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115.2 kbps (standard 1.8432 MHz crystal) or up to 921.6 kbps with optional 14.7456 MHz crystal. - **Shared IRQ Support:** Multiple PCI cards can share a single interrupt line, optimizing system resource usage. - **Flexible Flow Control:** Supports both hardware (RTS/CTS) and software (XON/XOFF) flow control. - **Comprehensive OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP, Linux, SCO OpenServer, and QNX 6.0 (via built-in driver). - **Expandable and Scalable:** Up to two P588 cards can be installed in a single system, providing up to 16 serial ports. - **Optional Isolation and Conversion:** Compatible with RAYON RS4232-8 isolation box for conversion to isolated RS232/RS422/RS485 interfaces. - **Compact Design:** Board dimensions of 141 mm × 106 mm allow installation in standard PCI slots. - **Comprehensive Accessory Set:** Includes R804 cable (DB62 → 8 × DB9 M). Optional R801 (DB62 → 8 × DB25 M) and R803 (DB62 → DB62 M) cables available.

Manufacturer: Rayon

Category: RS232 8-Port

- **Eight Independent RS232 Ports:** Provides eight fully functional RS232 serial ports via a single PCI slot, ideal for multi-device communication environments. - **16550A-Compatible UARTs:** Each port integrates a 16C550A-compatible UART with 16-byte transmit and receive FIFOs, ensuring efficient data buffering and reduced CPU load. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115,200 bps (standard 1.8432 MHz crystal) or up to 921.6 kbps with an optional 14.7456 MHz crystal. - **Plug-and-Play PCI Interface:** Fully compliant with PCI Local Bus Specification Rev. 2.1. Automatic resource assignment (I/O address, IRQ) by PCI BIOS eliminates manual configuration. - **Universal PCI Voltage Support:** Operates in both 3.3V and 5V PCI slots at 33 MHz, ensuring compatibility with a wide range of motherboards. - **Shared Interrupt (IRQ) Capability:** Supports IRQ sharing across multiple PCI devices, allowing up to two P588U cards per system (16 ports total). - **Comprehensive OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP/7, Linux, and SCO OpenServer. Drivers are provided for all supported platforms. - **Flexible Connector Options:** Standard configuration includes DB62 female connector on the card and R804 cable (DB62M to 8×DB9M). Optional R801 cable (DB62M to 8×DB25M) available. - **Industrial-Grade Design:** Built with high-quality components and robust PCB layout for reliable operation in demanding environments. - **Optional Isolation and Conversion:** Can be paired with the RS4232-8 isolation box (via R803 cable) to convert RS232 signals to isolated RS232/RS422/RS485 interfaces.

Manufacturer: Rayon

Category: RS232 8-Port

- **Eight RS232 Ports:** Provides eight independent serial communication channels via a single PCI slot. - **16550A-Compatible UARTs:** Each port includes a 16C550A-compatible controller 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 (1.8432 MHz crystal) or up to 921,600 bps with optional 14.7456 MHz crystal. - **Plug-and-Play PCI Interface:** Fully compliant with PCI Local Bus Specification Rev. 2.1; automatic resource allocation (I/O address, IRQ) by PCI BIOS. - **IRQ Sharing:** Supports sharable interrupt mapping for multiple PCI cards in one system. - **Single 5V Power Operation:** Designed for 5V, 33 MHz PCI slots; universal card versions support 3.3V operation. - **Compact Design:** 141 mm × 106 mm PCB footprint. - **Comprehensive OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO OpenServer. - **Included Cable Assembly:** DB62 female connector on the card; includes R804 cable (DB62 male to 8×DB9 male). Optional R801 cable (DB62 to 8×DB25 male) available. - **Expandable System:** Supports up to two cards per system (16 ports total). - **Optional Isolation:** Can be connected to the RS4232-8 isolation box via R803 cable for isolated RS232/RS422/RS485 operation. - **Industrial Reliability:** Designed for continuous operation in PC/AT industrial environments.

Manufacturer: Rayon

Category: 8-Port 5V Single Mixed

- **Eight Independent Serial Ports:** Each port can be individually configured for RS232 or RS422 operation, supporting full-duplex communication. - **Universal PCI Interface:** Compatible with both 5V and 3.3V PCI slots (33 MHz), ensuring broad system compatibility. - **16550A-Compatible UARTs:** Each channel integrates a 16C550A-compatible UART with 16-byte transmit and receive FIFOs, minimizing CPU load and improving throughput. - **Automatic Plug & Play Configuration:** IRQ and I/O address mapping are automatically assigned by the PCI BIOS, eliminating manual configuration. - **Surge Protection:** Built-in surge protection on TXD/RXD lines enhances reliability in industrial environments. - **Flexible Power Design:** Operates on a single 5V power supply for both RS232 and RS422 modes. - **High-Speed Data Transmission:** Supports baud rates from 50 bps up to 115,200 bps (standard crystal 1.8432 MHz). - **Multi-OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP/2003/Vista, Linux, SCO OpenServer, and UNIX systems. - **Expandable System Integration:** Supports up to two P5188U cards per system, providing up to 16 serial ports. - **Comprehensive Driver Support:** Includes drivers and installation utilities for all major operating systems, with detailed configuration options for multi-card setups. - **Industrial-Grade Reliability:** Designed for continuous operation in demanding environments with wide temperature and humidity tolerance.

Manufacturer: Rayon

Category: 8-Port 5V Single Mixed

- **Eight Independent Serial Ports:** Each port can be configured as RS232 or RS485, providing maximum flexibility for mixed communication environments. - **Universal PCI Interface:** Supports both 5 V and 3.3 V PCI slots (33 MHz), ensuring compatibility with a wide range of motherboards. - **Auto Data Direction Control (ADDC):** Built-in automatic data direction management for RS485 communication eliminates the need for manual RTS control. - **Plug & Play Configuration:** IRQ and I/O address mapping are automatically assigned by the PCI BIOS, simplifying installation and avoiding resource conflicts. - **High-Speed Communication:** Each port supports baud rates from 50 bps up to 115,200 bps (standard), with optional support up to 921.6 kbps using a 14.7456 MHz crystal. - **16550A-Compatible UARTs:** Each port uses a 16550A-compatible UART with 16-byte transmit and receive FIFOs for efficient data buffering and reduced CPU load. - **Operating System Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP/2003/Vista, Linux, and SCO OpenServer. - **Multi-Card Support:** Up to two P5288U cards can be installed in a single system, providing up to 16 serial ports. - **Comprehensive Driver Package:** Includes drivers and installation utilities for multiple operating systems, with detailed configuration options for COM port numbering and IRQ sharing. - **Industrial-Grade Reliability:** Designed for continuous operation in demanding environments, with wide temperature and humidity tolerance.

Manufacturer: Rayon

Category: 8-Port 5V Single Mixed

- **Eight Independent Serial Ports:** Each port can be configured individually for RS422 or RS485 operation. - **Auto Data Direction Control (ADDC):** Built-in automatic data direction control for RS485 half-duplex communication eliminates the need for manual RTS signal handling. - **16550A-Compatible UARTs:** Each port uses a 16550A-compatible serial communication controller with 16-byte FIFO buffers for efficient data handling. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115,200 bps (standard 1.8432 MHz clock). - **Universal PCI Interface:** Compatible with both 5V and 3.3V PCI slots (33 MHz bus frequency). - **Plug & Play Configuration:** IRQ and I/O address mapping automatically assigned by PCI BIOS; no manual configuration required. - **Single 5V Power Supply:** Operates entirely from the PCI bus 5V supply—no external power required. - **Multi-OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP/2003/Vista, Linux, and SCO OpenServer. - **Compact Design:** 152 × 106 mm (6.0 × 4.2 inches) PCB form factor. - **Flexible Connector Options:** Supplied with DB62M-to-8×DB9M cable (R804) or optional DB62M-to-8×DB25M cable (R801). - **Shared IRQ Support:** Allows multiple cards to share a single IRQ line for efficient system resource utilization. - **Maximum Two Cards per System:** Supports up to 16 serial ports in a single system. - **Industrial-Grade Reliability:** Designed for continuous operation in demanding environments with wide temperature and humidity tolerance.

Manufacturer: Rayon

Category: 8-Port 5V Single Mixed

- **Eight Independent Serial Ports:** Provides 8 asynchronous serial communication channels per card. - **Mixed Interface Configuration:** - Ports A–D: Fixed RS232 interface. - Ports E–H: Independently selectable RS232, RS422, or RS485 interfaces. - **Universal PCI Compatibility:** Supports both **5V and 3.3V PCI slots** (33 MHz), ensuring compatibility with legacy and modern systems. - **Intelligent Serial Controller:** Each port uses a **16550A-compatible UART** with 16-byte FIFO buffers, reducing CPU load and improving throughput. - **Auto-Data-Direction-Control (ADDC):** Built-in automatic data direction control for RS485 half-duplex communication eliminates the need for manual RTS signal handling. - **Plug & Play Resource Allocation:** IRQ and I/O address mapping are automatically assigned by the PCI BIOS, simplifying installation and avoiding conflicts. - **High-Speed Communication:** Supports baud rates from **50 bps to 115,200 bps** (standard) and up to **921.6 kbps** with optional higher-frequency crystal. - **Comprehensive OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP/2003/Vista, Linux, and SCO OpenServer. - **Flexible Connector Options:** Ships with a **DB62 male to 8×DB9 male cable (R804)** or optional **DB62 to 8×DB25 male cable (R801)**. - **IRQ Sharing Capability:** Supports shared interrupt operation, allowing multiple PCI cards to coexist efficiently. - **Industrial-Grade Reliability:** Designed for continuous operation in environments from 0°C to 55°C with up to 95% relative humidity.

Manufacturer: Rayon

Category: 8-Port 5V Single Mixed

- **Eight Independent RS232 Ports:** Each port supports standard RS232C signaling with full modem control lines (TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND). - **16550A-Compatible UARTs:** Each channel includes a 16-byte FIFO buffer for efficient data handling and reduced CPU load. - **Universal PCI Interface:** Compatible with both 5V and 3.3V PCI bus slots (33 MHz), ensuring broad motherboard compatibility. - **Plug & Play Configuration:** Automatic IRQ and I/O address assignment by PCI BIOS; no manual configuration required. - **Single 5V Power Operation:** The card draws power directly from the PCI slot, simplifying installation and ensuring stable operation. - **High-Speed Communication:** Supports baud rates from 50 to 115,200 bps per port. - **Surge Protection:** Built-in surge protection on TXD and RXD lines enhances reliability in industrial environments. - **Flexible Connectivity:** Includes a DB62 female connector with an external breakout cable (DB62M to 8×DB9M or optional 8×DB25M). - **Multi-OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP/2003/Vista, Linux, and SCO OpenServer. - **IRQ Sharing:** Supports shared interrupt operation for multi-card systems. - **Scalable System Integration:** Up to two P5588U cards can be installed per system, providing up to 16 serial ports. - **Compact Design:** Optimized PCB layout for efficient airflow and minimal footprint in standard PC enclosures.

Manufacturer: Rayon

Category: 8-Port 5V Single Mixed

- **Eight Independent Serial Ports:** Six ports (A–F) selectable between RS232 and RS422; two ports (G–H) selectable between RS232 and RS485. - **Flexible Interface Configuration:** Each port can be independently configured for the desired serial standard, enabling mixed-mode operation. - **Auto Data Direction Control:** Built-in automatic data direction control for RS485 communication eliminates the need for manual RTS signal handling. - **Universal PCI Compatibility:** Supports both 5V and 3.3V PCI slots (33 MHz), ensuring compatibility with a wide range of PC architectures. - **Plug & Play Resource Allocation:** IRQ and I/O address mapping automatically assigned by PCI BIOS; supports shared IRQ operation. - **High-Speed Communication:** Programmable baud rates from 50 bps up to 115,200 bps (standard 1.8432 MHz clock). - **16550A-Compatible UARTs:** Each port uses a 16550A-compatible UART with 16-byte FIFO buffers for efficient data handling. - **Comprehensive OS Support:** Compatible with DOS, Windows 95/98/Me/NT/2000/XP/2003/Vista, Linux, and SCO OpenServer. - **Industrial-Grade Design:** Operating temperature range 0°C–55°C; humidity tolerance up to 95% RH. - **Expandable System Integration:** Supports up to two cards per system, providing a total of 16 serial ports. - **Single 5V Power Supply:** Simplified power requirements—no external power needed for serial operation. - **Included Connection Cable:** DB62 male to 8×DB9 male cable (DB25 version available on request).

Manufacturer: Rayon

Category: 8-Port 5V Single Mixed

- **Eight Independent Serial Ports:** Seven ports configurable as RS232 or RS422, and one port configurable as RS232 or RS485. - **Universal PCI Interface:** Compatible with both 5V and 3.3V PCI slots (33 MHz), ensuring broad system compatibility. - **Automatic Resource Allocation:** IRQ and I/O mapping automatically assigned by PCI BIOS through Plug & Play functionality. - **Auto Data Direction Control:** Built-in automatic data direction control for RS485 communication, eliminating the need for manual RTS signal handling. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115,200 bps per port (software programmable). - **16550A-Compatible UART:** Each port uses a 16550A-compatible UART with 16-byte FIFO buffers for efficient data handling. - **Flexible Connector Options:** Supports DB25 or DB9 male connectors via included expansion cable. - **Operating System Support:** Fully compatible with DOS, Windows 95/98/ME/NT/2000/XP/2003/Vista, Linux, and SCO OpenServer. - **Plug & Play Installation:** No manual configuration required; resources are automatically assigned by the PCI BIOS. - **Multi-Card Support:** Up to two P5788U cards can be installed per system, providing up to 16 serial ports. - **Industrial Reliability:** Designed for continuous operation in industrial environments with wide temperature and humidity tolerance.

Manufacturer: Rayon

Category: 8-Port 5V Single Mixed

- **Eight Independent Serial Ports:** Four ports (A–D) support RS485 only; four ports (E–H) are independently selectable for RS232, RS422, or RS485 operation. - **Universal PCI Interface:** Compatible with both 5V and 3.3V PCI slots (33 MHz), ensuring broad motherboard compatibility. - **5V Power-Only Design:** Operates solely from the 5V PCI rail, simplifying power requirements and improving stability. - **Auto-Data-Direction-Control for RS485:** Built-in automatic data direction control eliminates the need for manual RTS signal management in half-duplex RS485 communication. - **Plug & Play Resource Assignment:** IRQ and I/O address mapping are automatically assigned by the PCI BIOS, supporting shared IRQ configurations. - **High-Speed Serial Communication:** Each port supports baud rates from 50 to 115,200 bps (standard) and up to 921.6 kbps with optional higher-frequency crystal. - **16550A-Compatible UARTs:** Each port uses a 16550A-compatible UART with 16-byte FIFO buffers for efficient data handling and reduced CPU load. - **Comprehensive OS Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP/2003/Vista/7, Linux, SCO OpenServer, and UNIX systems. - **Flexible Connector Options:** Includes DB62M-to-8×DB9M cable (R804) or optional DB62M-to-8×DB25M cable (R801). - **Scalable System Integration:** Supports up to two P5888U cards per system, providing up to 16 serial ports. - **Industrial Reliability:** Designed for continuous operation in industrial environments with wide temperature and humidity tolerance.

Manufacturer: Rayon

Category: 8-Port 5V Single Mixed

- **Eight Independent Serial Ports:** Four dedicated RS422 ports (A–D) and four selectable RS232/RS422/RS485 ports (E–H), each configurable independently. - **Universal PCI Compatibility:** Supports both 5V and 3.3V PCI slots (33 MHz), ensuring compatibility with legacy and modern systems. - **5V Power Supply Only:** Operates exclusively on a single 5V power rail, simplifying system integration and ensuring stable operation. - **High-Speed Communication:** Each port supports baud rates from 50 to 115,200 bps, with 16550A-compatible UARTs and 16-byte FIFO buffers for efficient data handling. - **Auto-Data-Direction-Control (ADDC):** Built-in automatic data direction control for RS485 communication eliminates the need for manual RTS signal management. - **Plug & Play Configuration:** IRQ and I/O address mapping are automatically assigned by the PCI BIOS, supporting shared IRQ operation. - **Multi-OS Driver Support:** Compatible with DOS, Windows 95/98/ME/NT/2000/XP/2003/Vista, Linux, SCO OpenServer, and UNIX systems. - **Flexible Connector Options:** Includes DB62M-to-8×DB9M cable (R804) or optional DB62M-to-8×DB25M cable (R801). Optional TB485 terminal block adapter available for RS485 wiring. - **Scalable System Integration:** Supports installation of up to two P5988U cards per system, providing up to 16 serial ports. - **Industrial-Grade Design:** Designed for continuous operation in demanding environments with wide temperature and humidity tolerance.

Manufacturer: Rayon

Category: 8-Port 5V Single Mixed

- **Eight Independent Serial Ports:** Each port can be individually configured for RS422 or RS485 operation via DIP switches. - **High-Performance Controller:** Utilizes the Moschip MCS9900 serial communication controller, providing advanced buffering and efficient CPU utilization. - **PCI Express Interface:** Fully compliant with PCIe bus architecture, supporting plug-and-play installation and automatic resource allocation by the system BIOS. - **Flexible Configuration:** DIP switch selectable interface modes (RS422 or RS485) for each port. - **ADDC (Auto Data Direction Control):** Built-in automatic data direction control for RS485 mode, eliminating the need for manual RTS signal management. - **Industrial-Grade Design:** Suitable for industrial control environments with wide operating temperature and humidity ranges. - **Comprehensive OS Support:** Compatible with Windows 2000, XP, 2003, Vista, Windows 7, and Linux operating systems. - **High-Speed Communication:** Supports baud rates from 50 bps up to 115,200 bps (software programmable). - **Memory-Mapped I/O:** Efficient memory and I/O mapping assigned automatically by PCI BIOS. - **Expandable System Integration:** Supports up to two A138 cards per system, providing up to 16 serial ports. - **Standard Connectors:** DB62 female connector on the card, with included expansion cable (DB62 male to 8×DB9 male). Optional DB62 to 8×DB25 male cable available. - **Compact Form Factor:** Standard PCIe bracket with dimensions of 135 mm × 105 mm. - **Plug & Play Installation:** Fully automatic resource assignment for I/O, memory, and IRQ. - **Industrial Reliability:** Designed for continuous operation in demanding environments.

Manufacturer: Rayon

Category: RS485 / RS422 8-ports

- **Eight Isolated RS-422 Ports:** Provides eight independent RS-422 serial communication channels, each accessible via a female DB25 connector. - **Electrical Isolation:** Each port is galvanically isolated to protect connected devices and host systems from ground loops, voltage spikes, and electrical surges. - **Integrated Surge Protection:** Built-in surge suppression safeguards communication lines against transient voltage spikes, ensuring long-term reliability in industrial applications. - **DB25 Female Connectors:** Standardized 25-pin D-sub female connectors for secure and consistent serial connections. - **Compatibility with Moxa C168/C218 Series:** Designed for direct connection to Moxa’s C168 and C218 multiport serial boards via the included DB62-to-DB62 cable. - **External Power Supply (230V):** Operates from a 230V AC mains input, providing stable power for all isolated channels. - **Compact and Durable Enclosure:** Metal housing with dimensions of 247 × 108 × 35 mm, optimized for panel or desktop installation in industrial control cabinets. - **Plug-and-Play Integration:** Simplifies expansion of serial communication ports without complex configuration or additional interface cards. - **Enhanced Signal Integrity:** Isolation and shielding minimize signal degradation over long cable runs. - **Industrial-Grade Reliability:** Designed for continuous operation in demanding environments with high electromagnetic interference (EMI).

Manufacturer: Moxa

Category: RS485 / RS422 8-ports

- **Eight RS-422/485 Ports:** Provides eight independent serial communication ports, each equipped with a **female DB25 connector**, supporting both RS-422 and RS-485 signaling standards. - **High Compatibility:** Designed for direct use with **Moxa C168 and C218 series** multiport serial boards, ensuring plug-and-play integration. - **Industrial-Grade Design:** Built for durability and reliability in demanding environments, featuring robust connectors and a compact metal enclosure. - **DB62 Host Interface:** Utilizes a **DB62 connector** for connection to the host serial board, ensuring secure and stable data transmission. - **Included Cable:** Comes with a **1.5-meter DB62-to-DB62 cable**, simplifying installation and providing flexibility in equipment layout. - **Standard Power Input:** Operates on **230V AC**, suitable for global industrial power systems. - **Compact Form Factor:** Space-efficient design with dimensions of **247 × 108 × 35 mm**, allowing easy installation in control cabinets or on workbenches. - **Ease of Maintenance:** Modular port design allows quick replacement or reconfiguration of serial connections without system downtime. - **Signal Integrity:** Optimized internal wiring and shielding minimize signal interference and crosstalk, ensuring stable communication across all ports.

Manufacturer: Moxa

Category: RS485 / RS422 8-ports

- **Eight Independent Serial Ports:** Provides eight RS-422/485 ports via female DB25 connectors, allowing simultaneous connection of multiple serial devices. - **ADDC (Automatic Data Direction Control):** Enables automatic switching between transmit and receive modes in RS-485 communication, eliminating the need for manual control and ensuring efficient half-duplex operation. - **Flexible RS-485 Configuration:** Supports both 4-wire (full-duplex) and 2-wire (half-duplex) RS-485 modes, allowing compatibility with a wide range of serial communication devices and network topologies. - **High-Speed Data Transmission:** Supports baud rates from **50 bps up to 230.4 kbps**, ensuring reliable data throughput for industrial automation, instrumentation, and control systems. - **Industrial-Grade Design:** Built for durability and long-term operation in industrial environments, with robust connectors and stable electrical performance. - **Dedicated Connectivity for Moxa Boards:** Designed specifically for use with **Moxa C168 and C218 series** multiport serial interface cards, ensuring seamless integration and optimal performance. - **Included Connection Cable:** Supplied with a **1.5-meter DB62-to-DB62 cable**, providing a direct and secure connection between the connector box and the host interface card. - **Compact and Efficient Form Factor:** The enclosure measures **247 × 108 × 35 mm**, allowing easy installation in control cabinets, racks, or equipment panels. - **AC Power Supply:** Operates from a **230 V AC** power source, suitable for standard industrial and laboratory power systems. - **Independent Port Configuration:** Each port can be configured independently for RS-422 or RS-485 operation, providing flexibility for mixed-device environments.

Manufacturer: Moxa

Category: RS485 / RS422 8-ports

- **Eight RS-422 Ports:** Provides eight independent RS-422 serial communication channels, each accessible via a **female DB25 connector**, allowing simultaneous multi-device connectivity. - **High Compatibility:** Designed for seamless integration with **Moxa C168 and C218 series** multiport serial boards, ensuring plug-and-play operation and consistent signal integrity. - **Integrated Connection Cable:** Supplied with a **1.5-meter DB62-to-DB62 cable**, enabling direct connection between the connector box and the host interface card without additional adapters. - **Industrial-Grade Power Supply:** Operates on **230V AC input**, suitable for standard industrial and office power environments. - **Compact and Durable Design:** Enclosure dimensions of **247 × 108 × 35 mm** provide a compact footprint for desktop or rack-mounted installations, while the robust construction ensures long-term reliability. - **Standardized Connectors:** Each port uses a **female DB25 connector**, ensuring compatibility with a wide range of RS-422 devices and cables. - **Optimized Signal Integrity:** The internal wiring and shielding are designed to minimize crosstalk and electromagnetic interference (EMI), ensuring stable data transmission over extended distances. - **Ease of Installation:** Pre-configured pin assignments and labeled ports simplify setup and maintenance. - **Reliable Communication:** Supports full-duplex differential signaling as per RS-422 standards, providing high noise immunity and long-distance communication capability.

Manufacturer: Moxa

Category: RS485 / RS422 8-ports