Comprehensive Product Summary – RAYON TECHNOLOGY P3032 Universal PCIPORT Card

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### 1. Product Overview

Product Name: UPCI 32×RS232/RS422/RS485 Intelligent Serial Solution
Model: P3032
Series: Universal PCIPORT Intelligent Multi-Port Serial Card
Article Number: P3032
Manufacturer: RAYON TECHNOLOGY CO., LTD.
Manufacturer Address: 2F, No. 177, Chung-Shan 2 Rd., Lu-Chou City, Taipei Hsien, Taiwan
Contact:
TEL: +886-2-82858362 FAX: +886-2-82857065
Email: rayon@ms1.hinet.net Web: [www.rayontech.com](http://www.rayontech.com)

The P3032 is a high-density, intelligent PCI serial communication card designed to provide 32 configurable serial ports supporting RS232, RS422, or RS485 interfaces. It is part of Rayon’s Universal PCIPORT series, engineered for industrial, server, and multi-user communication environments requiring robust, flexible, and high-performance serial connectivity.

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### 2. Key Features

- High Port Density: Supports 32 independent serial ports in a single PCI slot.
- Multi-Protocol Support: Each port can be configured individually for RS232, RS422, or RS485 operation via DIP switches.
- Universal PCI Compatibility: Operates in both 5V and 3.3V PCI 33MHz bus slots, ensuring compatibility with a wide range of systems.
- Single IRQ Operation: All 32 ports share one IRQ assigned automatically by the PCI BIOS, minimizing system resource usage.
- Intelligent Architecture: Based on the P640NU intelligent multi-port controller card, providing efficient data handling and reduced CPU load.
- Comprehensive OS Support: Drivers available for DOS, Windows 95/98/Me, Windows NT/2000/XP/Vista/7, Linux, and SCO OpenServer.
- Flexible System Integration: Modular design with detachable NF316 connector boxes and A640 interconnect cable.
- Industrial-Grade Design: Rugged construction with wide operating temperature and humidity range.
- Upgradeable Platform: Compatible with RAYON’s PCIIOP intelligent series cards (e.g., P990F, IOP3927F) for enhanced processing capability.
- Flow Control Options: Supports both hardware (RTS/CTS) and software (XON/XOFF) handshaking.
- High-Speed Communication: Configurable baud rates from 110 to 115,200 bps per port.
- Compact Form Factor: 5.0 × 3.4 inch PCI card footprint for efficient space utilization.

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### 3. Technical Specifications

System Structure:
- Controller Card: P640NU intelligent multi-port card
- Connector Boxes: Two NF316 boxes (each providing 16 ports)
- Cable: A640 interconnect cable (0.7 m standard length)

Electrical & Bus Interface:
- PCI Bus: 33MHz, 32-bit, 3.3V/5V universal PCI slot
- Maximum Cards per System: 2
- IRQ: Single shared IRQ assigned by PCI BIOS
- Memory Map Mode:
- 128 bytes for PCI controller
- Two 4KB blocks for UART controllers
- I/O Map Mode:
- 128 bytes I/O for PCI controller
- 256 bytes I/O for UART controller
- 64 bytes I/O for status register

Port Configuration:
- Total Ports: 32
- Interface Type: RS232 / RS422 / RS485 selectable per port
- Connector Type: DB9 male connectors on NF316 boxes
- Configuration: DIP switch selectable for each port
- One bit selects RS232 or RS422/RS485
- One bit selects RS422 or RS485

Baud Rate:
- 110 to 115,200 bps (standard)
- UNIX compatibility mapping:
- 50 bps → 57,600 bps
- 75 bps → 76,800 bps
- 150 bps → 115,200 bps

Flow Control:
- Software: XON/XOFF
- Hardware: RTS/CTS

Physical Dimensions:
- Card: 5.0 × 3.4 inches (127 × 86 mm)
- Connector Box: 16 ports per NF316 box
- Cable: A640, 37-pin D-type male/female connectors

Environmental Conditions:
- Operating Temperature: 5°C to 40°C
- Storage Temperature: 0°C to 65°C
- Operating Humidity: 10% to 90% RH (non-condensing)
- Storage Humidity: 5% to 90% RH

Materials & Construction:
- PCB: Industrial-grade multilayer board
- Enclosure: Metal box structure for NF316 units
- Connectors: Gold-plated contacts for durability

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### 4. Functionality

The P3032 functions as a high-performance serial expansion card for PCI-based systems. It provides 32 independent serial communication channels that can be configured for RS232, RS422, or RS485 signaling. Each port’s mode is selectable via DIP switches on the NF316 connector boxes, allowing mixed-protocol operation within the same system.

Operation Principle:
- The P640NU controller card interfaces with the host system through the PCI bus.
- Two NF316 connector boxes are linked via the A640 cable, each providing 16 serial ports.
- The card’s intelligent design offloads serial communication tasks from the host CPU, improving system efficiency.
- The PCI BIOS automatically assigns memory and I/O resources, simplifying installation.

Use Cases & Applications:
- Industrial automation and control systems
- Data acquisition and instrumentation
- Multi-terminal communication servers
- POS and kiosk systems
- SCADA and telemetry networks
- Serial device networking and monitoring
- Legacy equipment integration in modern PCs

Compatibility:
- Fully compatible with standard PCI 2.2 slots (3.3V/5V)
- Supports up to two cards per system for a total of 64 ports
- Works with a wide range of operating systems and drivers provided by RAYON

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### 5. Components & Accessories

Included Components:
- 1 × P640NU intelligent PCI controller card
- 2 × NF316 connector boxes (each with 16 DB9 male ports)
- 1 × A640 interconnect cable (0.7 m)
- Driver and documentation package

Optional Accessories:
- Extended A640 cables for remote box placement
- Mounting brackets for multi-box daisy-chain configurations
- Alternative connector boxes (NF116, NF216) for RS232-only or RS422/RS485-only configurations
- Upgrade options:
- P990F card with built-in Intel 80960JF processor
- IOP3927F card with 133MHz MIPS processor

Connectors:
- PCI edge connector (gold-plated)
- 37-pin D-type male/female connectors between card and boxes
- DB9 male connectors for serial ports

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### 6. Installation & Setup

System Requirements:
- IBM PC/AT or compatible system
- Available 3.3V or 5V PCI slot (33MHz)
- Supported operating system (DOS, Windows, Linux, SCO)

Installation Steps:
1. Power off the system and insert the P640NU card into an available PCI slot.
2. Connect the A640 cable between the card and the first NF316 box.
3. Daisy-chain the second NF316 box using the provided connectors.
4. Secure the boxes using the optional bracket system if multiple boxes are mounted.
5. Power on the system; the PCI BIOS will assign resources automatically.
6. Install the appropriate driver for your operating system.
7. Configure port modes (RS232/RS422/RS485) using DIP switches on each NF316 box.
8. Verify installation using diagnostic utilities or OS device manager.

Driver Installation:
- DOS / Windows 95/98/Me: I/O map mode only
- Windows NT/2000/XP/Vista/7: Memory map or I/O map supported
- Linux / SCO OpenServer: Source-level drivers provided; kernel module compilation required

Mounting Options:
- Desktop or rack-mountable NF316 boxes
- Daisy-chain up to 8 boxes using standard brackets

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### 7. Performance & Capabilities

Speed & Throughput:
- Each port supports up to 115,200 bps
- Full-duplex communication on all ports
- Efficient interrupt sharing (single IRQ)
- Low CPU utilization due to intelligent buffering

Capacity:
- 32 simultaneous serial connections per card
- Expandable to 64 ports with two cards per system

Efficiency:
- Intelligent UART controllers with 4KB buffer memory per channel
- Optimized for multi-threaded serial communication environments

Limitations:
- DOS and Windows 9x limited to I/O map mode
- Maximum of two cards per system (64 ports total)
- Baud rate limited to 115,200 bps per port (standard configuration)

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### 8. Standards & Compliance

Hardware Standards:
- PCI Local Bus Specification Revision 2.2
- RS232C, RS422, and RS485 electrical interface standards
- DB9 connector pinouts compliant with EIA/TIA specifications

Software & Driver Compliance:
- Microsoft WHQL-compatible driver architecture
- Linux kernel module source compatible with major distributions (RedHat, Slackware)
- SCO OpenServer 5.0.x driver support

Regulatory & Safety:
- Designed for CE and FCC Class A compliance (industrial environment)
- RoHS-compliant manufacturing process
- Operating voltage and current within PCI specification limits

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### 9. Additional Information

Warranty & Support:
- Standard 1-year limited hardware warranty
- Covers defects in materials and workmanship
- Excludes damage from misuse, modification, or electrical faults
- RMA (Return Material Authorization) procedure available via RAYON support

Maintenance:
- Periodic inspection of connectors and cables recommended
- Firmware and driver updates available from RAYON’s website
- Compatible with future PCIIOP intelligent upgrades

Technical Support:
- Email: rayon@ms1.hinet.net
- Web resources: [www.rayontech.com](http://www.rayontech.com)
- Documentation includes installation guides for all supported OS platforms

Upgrade Path:
- The P3032 system can be upgraded to intelligent PCIIOP series cards (P990F or IOP3927F) using the same NF316 connector boxes, preserving investment in cabling and infrastructure.

Environmental & Reliability Notes:
- Designed for continuous 24/7 operation in industrial environments
- Tested for vibration and thermal stability
- Supports daisy-chaining up to 8 external boxes for extended configurations

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### Summary

The RAYON P3032 Universal PCIPORT Card is a robust, high-density serial communication solution engineered for industrial and enterprise applications requiring flexible, multi-protocol serial connectivity. With 32 configurable RS232/RS422/RS485 ports, universal PCI compatibility, and comprehensive driver support across multiple operating systems, the P3032 delivers exceptional performance, scalability, and reliability. Its modular architecture, intelligent resource management, and upgradeable design make it an ideal choice for system integrators, OEMs, and industrial automation professionals seeking a long-term, high-performance serial interface solution.