Comprehensive Product Summary – Rayon Technology P3064 Universal PCIPORT Card

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### 1. Product Overview

Product Name: UPCI 64×RS232/RS422/RS485 Intelligent Serial Solution
Model: P3064
Series: Universal PCIPORT Intelligent Multi-Port Serial Card Series
Article Number: P3064
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 P3064 is a high-density, intelligent PCI serial communication card designed for industrial and enterprise-level multi-port serial connectivity. It supports up to 64 configurable RS232/RS422/RS485 ports through modular connector boxes, providing a flexible and scalable solution for data acquisition, automation, and communication systems. The card is part of Rayon’s Universal PCIPORT family, engineered for compatibility with both 3.3V and 5V PCI 33MHz slots, ensuring broad system integration across legacy and modern platforms.

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### 2. Key Features

- High Port Density: Supports up to 64 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 3.3V and 5V PCI 33MHz bus environments.
- Single IRQ Resource: All 64 ports share a single IRQ assigned by the PCI BIOS, optimizing system resource allocation.
- Intelligent Architecture: Based on the P640NU intelligent multi-port controller card, providing efficient data handling and reduced CPU load.
- Flexible Expansion: Utilizes four NF316 connector boxes, each providing 16 ports, daisy-chained via the A640 cable.
- Comprehensive OS Support: Compatible with DOS, Windows 95/98/Me/NT/2000/XP/Vista/7, Linux, and SCO OpenServer.
- High-Speed Communication: Supports baud rates from 110 to 115,200 bps, with UNIX-compatible mappings for 57,600, 76,800, and 115,200 bps.
- Flow Control Options: Supports both XON/XOFF software and RTS/CTS hardware handshaking.
- Industrial Reliability: Designed for continuous operation in environments from 5°C to 40°C, with humidity tolerance up to 90% RH.
- Upgradeable Platform: Compatible with PCIIOP intelligent series cards such as P990F (Intel 80960JF) and IOP3927F (133MHz MIPS) for enhanced processing power.

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### 3. Technical Specifications

Card Type: Universal PCI Intelligent Multi-Port Serial Card
Model: P3064
Bus Interface: PCI 33MHz, 3.3V/5V compatible
Maximum Cards per System: 2

System Structure:
- P640NU intelligent multi-port controller card
- Four NF316 connector boxes (each 16 ports)
- One A640 interconnect cable (0.7 m standard length)

Memory and I/O Mapping:
- Memory Map Mode:
- 128 Bytes for PCI controller
- Two 4 KBytes for UART controller
- 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
- IRQ: One free IRQ assigned automatically by PCI BIOS

Physical Dimensions:
- Card: 5.0 × 3.4 inches (127 × 86 mm)
- Connector Box: 16-port NF316, DB9 male connectors

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

Material: Industrial-grade PCB with EMI shielding and reinforced connectors
Weight: Approx. 200–250 g (card only, excluding boxes)

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### 4. Functionality

The P3064 functions as a high-performance serial communication interface for PCs requiring multiple asynchronous serial connections. It integrates seamlessly into PCI-based systems, providing a unified platform for connecting serial devices such as modems, sensors, controllers, and industrial automation equipment.

Operational Overview:
- The P640NU controller card interfaces with the host system via the PCI bus.
- Four NF316 connector boxes are daisy-chained using the A640 cable, each providing 16 configurable ports.
- Each port’s electrical standard (RS232/RS422/RS485) is selectable via DIP switches.
- The card’s intelligent design allows all ports to share a single IRQ, minimizing system overhead.
- Data transmission and reception are managed by onboard UART controllers with FIFO buffering, ensuring stable high-speed communication.

Use Cases:
- Industrial automation and control systems
- Data acquisition and SCADA networks
- Multi-terminal communication servers
- POS and kiosk systems
- Telecommunication and networking equipment
- Embedded Linux or UNIX-based serial communication servers

Compatibility:
- Fully compatible with standard PCI 33MHz slots (3.3V/5V)
- Supports up to two cards per system for a total of 128 ports
- Backward compatible with existing Rayon connector boxes and cables

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### 5. Components & Accessories

Included Components:
- 1 × P640NU PCI intelligent controller card
- 4 × NF316 connector boxes (16 ports each)
- 1 × A640 interconnect cable (0.7 m)

Connector Box (NF316) Specifications:
- Interface: RS232, RS422, or RS485 (selectable per port)
- Ports per Box: 16
- Connector Type: DB9 male
- Configuration: DIP switch selectable
- One bit for RS232 or RS422/RS485 mode
- One bit for RS422 or RS485 selection
- Baud Rate: 110–115,200 bps
- Flow Control: XON/XOFF (software), RTS/CTS (hardware)

Optional Accessories:
- Extended A640 cables (custom lengths)
- Mounting brackets for multi-box daisy-chain installations
- PCIIOP upgrade cards (P990F, IOP3927F)
- Ground-isolated connector boxes (IF308 series)

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### 6. Installation & Setup

Hardware Installation:
1. Power off the PC and disconnect AC power.
2. Insert the P640NU card into an available PCI slot (3.3V or 5V).
3. Connect the A640 cable to the card’s DB37 male connector.
4. Daisy-chain up to four NF316 boxes using the provided cable.
5. Secure boxes using the optional bracket system for multi-box configurations.
6. Power on the system; the PCI BIOS will automatically assign resources.

Software Installation:
- DOS / Windows 95/98/Me: Use I/O map mode drivers.
- Windows NT/2000/XP/Vista/7: Plug & Play installation; specify driver path (A:\WIN2000).
- Linux: Source-based driver installation via `/etc/rayon/Install` script; supports RedHat and Slackware distributions.
- SCO OpenServer: Install via `/etc/custom` or `tar` command; rebuild kernel after installation.

Configuration:
- Each port’s mode (RS232/RS422/RS485) is set via DIP switches on the NF316 box.
- COM port numbering can be adjusted in Windows Device Manager under “Multi-port Serial Adapter → Setup.”
- Linux device naming convention: `/dev/tty6[1–8][a–h]` for first card, `/dev/tty7[1–8][a–h]` for second card.

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### 7. Performance & Capabilities

Port Count: 64
Baud Rate Range: 110–115,200 bps (supports 50/75/150 bps mapping for UNIX compatibility)
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
FIFO Buffer: 16C554 UART with 16-byte FIFO per channel
IRQ Usage: Single shared IRQ for all ports
Throughput: Optimized for high-speed multi-port communication with minimal CPU load
Limitations:
- DOS and Windows 9x limited to I/O map mode
- Maximum of two cards per system (128 ports total)
- Baud rate limited to 115,200 bps per port (standard configuration)

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### 8. Standards & Compliance

Electrical Standards:
- RS232C (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)

Bus Interface: PCI Local Bus Specification Revision 2.2 compliant
Operating Voltage: 3.3V / 5V PCI signaling
EMC Compliance: Designed for industrial EMI/EMC standards
Software Drivers: Certified for major operating systems (Windows, Linux, SCO)
Hardware Compatibility: Backward compatible with Rayon NF116, NF216, and NF316 connector boxes
Safety: Fully isolated signal paths when used with IF-series boxes
Environmental Compliance: RoHS-compliant manufacturing process

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### 9. Additional Information

Warranty:
- Standard Warranty: 1 year limited warranty covering defects in materials and workmanship.
- Exclusions: Damage due to 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) required for repairs; contact Rayon Service Center for authorization and shipping instructions.

Upgrade Options:
- P990F Card: Incorporates Intel 80960JF local processor for enhanced intelligent I/O processing.
- IOP3927F Card: Features a 133MHz MIPS RISC processor with 16MB dual-port SDRAM for advanced offloading and multi-user environments.
- PCIIOP Series: Fully compatible with existing NF316 connector boxes for seamless upgrade paths.

Maintenance Recommendations:
- Ensure adequate ventilation and stable power supply.
- Avoid hot-swapping connector boxes while powered.
- Periodically inspect cables and connectors for wear or oxidation.
- Use proper grounding when operating in high-noise industrial environments.

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### Summary

The Rayon P3064 Universal PCIPORT Card represents a robust, scalable, and intelligent serial communication platform for industrial and enterprise applications. With support for 64 configurable RS232/RS422/RS485 ports, universal PCI compatibility, and comprehensive driver support across multiple operating systems, it provides a cost-effective and high-performance solution for multi-port serial connectivity. Its modular architecture, intelligent resource management, and industrial-grade reliability make it ideal for demanding environments such as automation, data acquisition, and networked control systems.

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