Comprehensive Product Summary – Rayon Technology P2032 Universal PCIPORT Card

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### 1. Product Overview

Product Name: UPCI 32x RS422/RS485 Intelligent Serial Solution
Model: P2032
Series: Universal PCIPORT Intelligent Multi-Port Serial Card Series
Article Number: P2032
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
Websites: [www.rayontech.com](http://www.rayontech.com), [www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)

The Rayon P2032 is a high-density, intelligent PCI serial communication card designed for industrial and multi-user systems requiring multiple RS422/RS485 serial interfaces. It integrates advanced UART control, flexible configuration, and broad OS compatibility, providing up to 32 independent RS422/RS485 ports in a single PCI slot.

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### 2. Key Features

- High Port Density: Supports 32 RS422/RS485 serial ports via two NF216 connector boxes (16 ports per box).
- Universal PCI Compatibility: Operates in both 5V and 3.3V PCI 33MHz bus slots.
- Single IRQ Resource: All 32 ports share one IRQ assigned automatically by the PCI BIOS, minimizing system resource usage.
- Flexible Configuration: Each port can be independently configured as RS422 or RS485 using DIP switches.
- Wide Baud Rate Range: Supports 110 to 115,200 bps per port; UNIX systems can map 50/75/150 bps to 57,600/76,800/115,200 bps.
- Flow Control Options: Supports both XON/XOFF software flow control and RTS/CTS hardware handshaking.
- Comprehensive OS Support: Compatible with DOS, Windows 95/98/Me, Windows NT/2000/XP/Vista/7, Linux, and SCO OpenServer.
- Compact Design: 5.0 x 3.4 inch PCI card form factor.
- Industrial Reliability: Operating temperature 5°C–40°C, humidity 10–90% RH.
- Upgradeable Architecture: Can be upgraded to the intelligent PCIIOP series (e.g., P990F or IOP3927F) using the same connector boxes.
- Plug-and-Play Resource Allocation: PCI BIOS automatically assigns memory and I/O resources.
- Metal Box Structure: Rugged external connector boxes for industrial environments.

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### 3. Technical Specifications

Card Dimensions: 5.0 × 3.4 inches (127 × 86 mm)
Weight: Approx. 120 g (card only)
Material: Multi-layer PCB with industrial-grade components
Operating Voltage: 3.3V / 5V PCI bus powered
Bus Interface: PCI 33MHz, 32-bit universal slot
Maximum Cards per System: 2 cards (up to 64 ports total)

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

Performance Metrics:
- Baud Rate: 110–115,200 bps per port
- Flow Control: XON/XOFF (software), RTS/CTS (hardware)
- Data Bits: 5, 6, 7, or 8 bits
- Stop Bits: 1 or 2
- Parity: None, Even, Odd, Mark, Space
- Signal Isolation: Provided by external NF216 boxes
- Connector Type: DB9 male connectors (on NF216 boxes)

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### 4. Functionality

The P2032 functions as a high-performance serial communication interface card for PCs and industrial controllers. It connects to two NF216 connector boxes via an A640 cable, providing 32 independent RS422/RS485 serial channels. Each port can be configured for full-duplex RS422 or half-duplex RS485 operation through DIP switches.

Use Cases and Applications:
- Industrial automation and process control systems
- Multi-terminal communication servers
- Data acquisition and instrumentation networks
- SCADA and PLC communication interfaces
- POS and kiosk systems requiring multiple serial links
- Serial device networking for Linux or UNIX servers

Compatibility:
- PCI 33MHz 32-bit bus (3.3V/5V)
- Compatible with legacy and modern PC architectures
- Supports up to two cards per system (64 total ports)

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### 5. Components & Accessories

Included Components:
- 1 × P640NU intelligent multi-port PCI card
- 2 × NF216 connector boxes (each with 16 RS422/RS485 ports)
- 1 × A640 interconnection cable (0.7 m length)

Connector Box Specifications (NF216):
- Interface: RS422 or RS485 selectable per port
- Ports per Box: 16
- Connector Type: DB9 male
- Configuration: DIP switch selectable for RS422/RS485 mode
- Baud Rate: 110–115,200 bps
- Flow Control: XON/XOFF, RTS/CTS
- Daisy-Chain Capability: Up to 4 boxes per card (for higher models)

Optional Accessories:
- Extended A640 cables (custom lengths)
- Mounting brackets for rack or panel installation
- Ground-isolated IF208/IF308 boxes for noise-sensitive environments

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### 6. Installation & Setup

Hardware Installation:
1. Power off the PC and disconnect AC power.
2. Insert the P2032 card into an available PCI slot (3.3V or 5V).
3. Connect the A640 cable from the card’s DB37 male connector to the first NF216 box.
4. Daisy-chain the second NF216 box using the provided inter-box connector.
5. Secure boxes using mounting brackets if required.
6. Power on the system and allow the BIOS to assign resources.

Software Installation:
- DOS / Windows 95/98/Me: Use I/O map mode drivers.
- Windows NT/2000/XP/Vista/7: Use memory map mode drivers from the provided diskette (A:\WIN2000).
- Linux / SCO OpenServer: Install source-based drivers via `/etc/rayon` directory using `./Install` script.
- Driver Configuration:
- COM port numbering can be adjusted via Device Manager → Multi-Port Serial Adapter → Setup.
- Each port can be tested using HyperTerminal or the “etty” utility under Linux.

Mounting Options:
- Desktop or rack-mountable NF216 boxes
- Daisy-chain up to 8 boxes for extended configurations (using brackets for mechanical stability)

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### 7. Performance & Capabilities

Speed and Throughput:
- Each port supports up to 115.2 kbps data rate.
- Simultaneous operation across all 32 ports with minimal CPU overhead.
- Efficient interrupt sharing (single IRQ for all ports).

Capacity:
- 32 independent serial channels per card.
- Expandable to 64 ports with two cards per system.

Efficiency:
- Intelligent UART buffering (FIFO 16C554) reduces CPU load.
- PCI BIOS resource mapping ensures optimal performance.
- Supports both memory-mapped and I/O-mapped operation modes.

Limitations:
- DOS and Windows 9x systems limited to I/O map mode.
- Maximum of two cards per system due to IRQ and resource constraints.
- Baud rate limited to 115.2 kbps per port (standard UART limitation).

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### 8. Standards & Compliance

Electrical and Interface Standards:
- RS422 and RS485 compliant (TIA/EIA-422-B, TIA/EIA-485-A)
- PCI Local Bus Specification Revision 2.2 compliant
- Universal PCI (3.3V/5V) compatibility

Software and OS Compliance:
- Microsoft Windows Hardware Compatibility (legacy)
- Linux kernel 2.2–2.6 source-level driver support
- SCO OpenServer 5.0.x driver integration

Safety and Environmental:
- Designed for industrial temperature and humidity ranges
- Fully RoHS-compliant manufacturing process
- CE and FCC Class A (industrial) compliance (manufacturer standard)

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### 9. Additional Information

Warranty:
- 1-year limited warranty covering defects in materials and workmanship.
- Excludes damage from misuse, electrical surges, or unauthorized servicing.

Support & Maintenance:
- Technical support via email (rayon@ms1.hinet.net).
- Driver updates and documentation available on [www.rayontech.com](http://www.rayontech.com).
- RMA (Return Material Authorization) process available for defective units.

Upgrade Path:
- Compatible with Rayon’s intelligent PCIIOP series (e.g., P990F with Intel 80960JF processor or IOP3927F with 133MHz MIPS CPU).
- Existing NF216 connector boxes can be reused with upgraded intelligent cards.

Maintenance Recommendations:
- Ensure proper grounding and shielding for RS485 networks.
- Avoid hot-swapping connector boxes; always power down before reconfiguration.
- Periodically inspect cables and connectors for wear or oxidation.

Software Utilities:
- “etty” – Linux utility for port testing and data transmission verification.
- “om” – Linux utility for monitoring multi-port data activity.
- Windows Device Manager setup utility for COM port configuration.

Documentation & Driver Media:
- Installation guides for DOS, Windows, Linux, and SCO UNIX included.
- Driver diskette directories:
- `A:\WIN95` for Windows 95/98/Me
- `A:\WIN2000` for Windows 2000/XP/Vista/7
- `A:\NT4` for Windows NT4
- `/etc/rayon` for Linux source driver

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### Summary

The Rayon P2032 Universal PCIPORT Card is a robust, high-density serial communication solution engineered for industrial and multi-user computing environments. By integrating 32 RS422/RS485 ports into a single PCI slot, it provides exceptional scalability and flexibility for serial device networking. Its universal PCI interface, broad OS support, and intelligent resource management make it ideal for system integrators, automation engineers, and network administrators seeking reliable multi-port serial connectivity.

With its modular NF216 connector boxes, configurable port modes, and upgradeable architecture, the P2032 ensures long-term adaptability and compatibility with evolving industrial communication standards. Combined with Rayon’s comprehensive driver support and industrial-grade design, it delivers a dependable platform for high-performance serial communication applications.