- **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 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

- **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 Independent RS-232 Ports:** Provides four asynchronous serial communication channels for connecting multiple serial devices simultaneously. - **Intelligent Onboard Processing:** Equipped with a **TMS320C203 RISC processor**, enabling intelligent data handling and reducing host CPU load. - **High-Performance UART:** Utilizes **TI 16550C UARTs** with **32-byte FIFO buffers** per port for efficient data buffering and reduced interrupt overhead. - **Large Onboard Memory:** Integrated **512 kB memory** for buffering and intelligent data management, ensuring smooth communication even under heavy data loads. - **Wide Baud Rate Range:** Supports data rates from **50 bps up to 921,600 bps**, accommodating both legacy and high-speed serial applications. - **Compact PCI Form Factor:** Designed as a **space-saving PCI card (160 × 95 mm)** suitable for embedded systems and compact industrial PCs. - **RJ45 Connectors:** Each port uses an **RJ45 interface**, simplifying cabling and reducing space requirements compared to traditional DB9 connectors. - **Software-Based Configuration:** No jumpers or DIP switches required; all port parameters and IRQ/DMA settings are configured via software utilities. - **Industrial Reliability:** Built for continuous operation in industrial environments, offering stable performance and long-term durability. - **Compatibility:** Fully compatible with standard PCI bus interfaces and supports major operating systems through Moxa’s driver suite.

Manufacturer: Moxa

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 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 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-Performance Network Switching** - 8 Ethernet ports supporting 10/100BaseT(X) (RJ45) or 100BaseFX (fiber) connections. - IEEE 802.3, 802.3u, 802.3x, and 802.1D compliant for full interoperability. - Store-and-forward switching architecture with a 4K MAC address table. - Auto-negotiation for 10/100 Mbps and full/half-duplex operation. - Auto MDI/MDI-X crossover detection for simplified cabling. **Redundant Ethernet Ring Technology** - MOXA’s patented **Turbo Ring** redundancy protocol with recovery time < 300 ms under full load (up to 120 nodes). - **Line-Swap Fast Recovery** feature (< 1 second) for rapid reconnection when devices are relocated. - **Ring coupling** capability for complex network topologies. **Industrial Reliability** - Dual redundant DC power inputs for uninterrupted operation. - Automatic e-mail and relay alarms triggered by user-defined events (e.g., power failure, link loss, configuration change). - IP30-rated aluminum housing for mechanical durability. - Extended operating temperature models (-40 to 75°C) for extreme environments. - Designed for hazardous locations (UL/cUL Class 1 Div. 2, ATEX Zone 2). **Advanced Management and Diagnostics** - SNMP v1/v2c, DHCP Server/Client, BOOTP, RARP, and SMTP support. - Web browser, Telnet, serial console, and Windows utility configuration. - Port mirroring for real-time traffic analysis and debugging. - Ping utility for network integrity verification. - Integration with **EDS-SNMP OPC Server Pro** for SCADA/OPC-based network management. **Ease of Use** - Batch configuration utility for simultaneous setup of multiple switches. - Automatic IP address recovery for connected devices. - Compact DIN-rail or wall-mountable design for flexible installation.

Manufacturer: Moxa

Category: RS232

- **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

- **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-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-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 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 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

- **High-Speed Serial Communication:** Supports data transfer rates up to **460.8 Kbps** per port. - **8-Port RS-232 Interface:** Provides eight independent RS-232 serial ports via RJ45 connectors. - **Modular Expandability:** Designed as an **Extensive Module** for rackmount configurations; can be cascaded with Basic Modules to expand port count. - **Dual RISC Processor Architecture:** Utilizes **TMS320C52** processors for intelligent offloading of communication tasks from the host CPU. - **On-Chip Hardware Flow Control:** Integrated 16550C UARTs with 32-byte FIFO buffers ensure reliable, loss-free data transmission. - **Diagnostic LED Indicators:** Front-panel LEDs display per-port line status (TxD, RxD, DTR, DSR, RTS, CTS, DCD). - **Rackmount Design:** Fits standard **19-inch industrial racks**, suitable for data centers and control rooms. - **Long-Distance Connectivity:** Supports cable lengths up to **100 meters (328 ft)** between the control board and external modules using long-range extension kits. - **Surge and Isolation Protection:** Optional transient voltage surge suppression (TVSS) and high-potential isolation for harsh environments. - **Cross-Platform Driver Support:** Compatible with **Windows NT/95/98/3.x, DOS, UNIX (SCO, SVR4.2, XENIX, Solaris), Linux, OS/2, and QNX**. - **Comprehensive Software Tools:** Bundled with **PComm** (Windows) and **API-232** (DOS/Windows 3.x) libraries for application development. - **Easy Installation and Configuration:** Plug-and-play hardware setup with intuitive driver utilities and configuration panels.

Manufacturer: Moxa

Category: PCI max 128 Serial

- **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

- **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

- **High-Speed Serial Communication:** Supports data rates up to **460.8 Kbps** per port. - **8-Port RS-232 Interface:** Each port uses a **DB25 female connector** with full modem control signals (TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND). - **Intelligent Dual-CPU Architecture:** Utilizes dual TMS320 processors (one on the control board and one on the CPU/Basic module) to offload host CPU workload. - **Modular Expandability:** Supports expansion from 8 to 32 ports per control board, and up to 128 ports per PC using four boards. - **Low Host Processor Overhead:** On-board processors and 512 KB dual-ported RAM handle data buffering and I/O operations independently. - **Custom ASIC Design:** Moxa’s proprietary ASIC reduces component count, increases reliability, and minimizes board size. - **Distance Extensibility:** Standard 2 m DB25-to-DB25 cable; optional long-range extension up to **100 m (328 ft)** using 10-signal-pin cable and external power. - **Status Indicators:** Front-panel LEDs for TxD, RxD, DTR, DSR, RTS, CTS, and DCD provide real-time communication diagnostics. - **Surge/Isolation Protection:** Optional transient voltage surge suppression (TVSS) and isolation for harsh environments. - **Versatile Mounting Options:** Available in **desktop** and **rackmount** configurations. - **Comprehensive OS Support:** Drivers for Windows NT/95/98, UNIX (SCO, SVR4.2, Solaris), DOS, Windows 3.x, Linux, OS/2, and QNX. - **Powerful Software Tools:** Includes **PComm** (Windows) and **API-232** (DOS/Windows 3.x) libraries for application development. - **Ease of Installation:** Plug-and-play hardware setup with intuitive driver configuration utilities. - **Industrial Applications:** Ideal for automation, telecommunications, POS systems, remote access, and multi-user environments.

Manufacturer: Moxa

Category: PCI max 128 Serial