Comprehensive Product Summary – Rayon Technology PCIe 64-Port Serial Communication Solution (Model A3064 / A320 Series)

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### 1. Product Overview

Product Name: PCIe 64-Port Serial Communication Solution
Model: A3064 (based on A320 Intelligent Multiport Card architecture)
Series: A320 / A1032I / IF-Series Connector Box Family
Article Number: A3064
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 / info@rayontech.com.tw
Websites: [www.rayontech.com](http://www.rayontech.com) | [www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)

The Rayon A3064 is a high-density PCI Express (PCIe) multiport serial communication card designed for industrial and enterprise environments requiring large-scale serial connectivity. It supports up to 64 independent RS232/RS422/RS485 ports through modular connector boxes, providing a scalable and intelligent serial I/O expansion platform for PCs and servers.

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### 2. Key Features

- High Port Density: Supports up to 64 serial ports via a single PCIe slot using modular connector boxes (NF116/NF216/NF316 or IF108/IF208/IF308).
- Single IRQ Operation: All 64 ports share one interrupt request line, minimizing system resource usage.
- Flexible Interface Configuration: Each port can be configured as RS232, RS422, or RS485, with ground isolation options.
- Intelligent Processor Architecture: Built-in intelligent processor for efficient data handling and reduced CPU load.
- Broad OS Compatibility: Drivers available for DOS, Windows 95/98/Me/NT/2000/XP/Vista/7, Linux, and SCO OpenServer.
- Plug-and-Play PCIe Interface: Fully compliant with PCI Express bus standards, supporting both 3.3V and 5V signaling.
- Expandable Modular Design: Daisy-chain up to eight external connector boxes for flexible port expansion.
- High-Speed Communication: Supports baud rates from 110 to 115,200 bps per port.
- Comprehensive Flow Control: Supports both software (XON/XOFF) and hardware (RTS/CTS) handshaking.
- Industrial Reliability: Ground-isolated models available for noise immunity and protection in harsh environments.
- Compact Form Factor: Card dimensions of 122 × 86 mm (approx. 10 × 9.5 cm).
- Included Accessories: Supplied with A640 0.7 m cable and DB37 male connector interface.

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### 3. Technical Specifications

Card Type: PCIe Intelligent Multiport Serial Card
Bus Interface: PCI Express (3.3V / 5V compatible, 33 MHz)
Maximum Cards per System: 2

Memory and I/O Mapping:
- Memory Map Mode:
- 128 bytes for PCI controller
- Two 4 KB blocks 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 Assignment: One free IRQ assigned automatically by PCI BIOS

Dimensions:
- Card: 122 × 86 mm (approx. 10.0 × 9.5 cm)
- Connector Boxes: 268 × 128 × 38 mm

Weight: Approx. 150 g (card only)

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

Material: Multi-layer PCB with industrial-grade components and EMI shielding

Connector Type: DB37 male on card; DB9 male on connector boxes

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### 4. Functionality

The A3064 system operates as an intelligent serial expansion platform. The PCIe card (A320) interfaces with external connector boxes via the A640 cable. Each connector box houses multiple UART controllers and provides 8 or 16 serial ports, depending on the model.

Supported Connector Boxes:
- NF116: 16 × RS232C ports
- NF216: 16 × RS422/RS485 configurable ports
- NF316: 16 × RS232/RS422/RS485 configurable ports
- IF108: 8 × Ground-Isolated RS232 ports
- IF208: 8 × Ground-Isolated RS422/RS485 ports
- IF308: 8 × Ground-Isolated RS232/RS422/RS485 ports

Use Cases:
- 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 console management

Compatibility:
- Fully compatible with standard PCIe slots
- Supports legacy and modern operating systems
- Compatible with Rayon’s P640NU, P990F, and IOP3927F intelligent cards

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### 5. Components & Accessories

Included Items:
- A320 PCIe intelligent multiport card
- A640 0.7 m connection cable (DB37 male)
- Driver and utility software package
- Documentation and installation guide

Optional Accessories:
- NF116/NF216/NF316 16-port connector boxes
- IF108/IF208/IF308 8-port ground-isolated connector boxes
- Daisy-chain brackets for multi-box mounting
- Extended A640 cables for remote box placement

Connector Details:
- DB9 male connectors on all boxes
- DIP switches for interface selection (RS232/RS422/RS485)
- LED indicators for data transmission and power status

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### 6. Installation & Setup

Hardware Installation:
1. Power off the host system.
2. Insert the A320 card into an available PCIe slot.
3. Connect the A640 cable between the card’s DB37 connector and the first connector box.
4. Daisy-chain additional boxes if required (up to 8 total).
5. Secure boxes using provided brackets for stable mounting.

Software Installation:
- Windows: Plug-and-play detection; specify driver path (A:\WIN2000 or equivalent).
- Linux: Install source-based driver via `/etc/rayon/Install` script; supports kernel 2.2–2.6+.
- SCO UNIX: Use `/etc/custom` or `tar` installation method; rebuild kernel after driver installation.
- DOS: Supported in I/O map mode only.

Configuration:
- COM port numbering configurable via driver setup utility.
- DIP switches on connector boxes select interface type and RS485 enable timing.
- Supports daisy-chained expansion with automatic port enumeration.

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### 7. Performance & Capabilities

Baud Rate: 110 to 115,200 bps per port (software-selectable)
Flow Control:
- Software: XON/XOFF
- Hardware: RTS/CTS

Data Handling:
- FIFO-type UART controllers (16C554)
- Intelligent local processor for offloading host CPU
- Dual-port RAM architecture for high-speed data exchange

Capacity:
- Up to 64 ports per card
- Up to 128 ports per system (two cards)

Efficiency:
- Single IRQ for all ports reduces CPU overhead
- Memory-mapped or I/O-mapped operation selectable for optimal performance
- Ground isolation prevents signal interference and ground loops

Limitations:
- Maximum two cards per system
- I/O map mode limited to 32 ports in some OS environments
- RS485 mode requires proper DIP switch configuration

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### 8. Standards & Compliance

Bus Interface: PCI Express (3.3V/5V, 33 MHz)
Electrical Standards:
- RS232C (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)

Controller Chips:
- FIFO type 16C554 UART
- Optional intelligent processors (80960JF or 133 MHz MIPS in advanced models)

Certifications:
- CE and FCC Class A (industrial environment)
- RoHS compliant components
- ISO 9001 manufacturing process

Regulatory Compliance:
- Meets PCI-SIG electrical and mechanical specifications
- Compatible with major OS driver certification standards

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### 9. Additional Information

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

Support & Maintenance:
- Technical support via email and web resources.
- Firmware and driver updates available from Rayon’s website.
- RMA (Return Material Authorization) process available for repairs.

Maintenance Recommendations:
- Ensure proper grounding and shielding in industrial environments.
- Avoid hot-swapping connector boxes while powered.
- Periodically check cable integrity and connector seating.

Related Products:
- P640NU PCI card: Compatible with same connector boxes.
- P990F card: Features built-in Intel 80960JF processor.
- IOP3927F card: Incorporates 133 MHz MIPS processor for advanced applications.
- TWIN232/TWIN485 converters: Provide RS232/RS422/RS485 isolation and bridging.

Software Utilities:
- ETTY: Port testing and data transmission verification tool.
- OM: Real-time port monitoring utility (supports up to 64 ports).
- Setup Utility: Configures COM port numbering and interface parameters.

Driver Availability:
- Windows 95/98/Me/NT/2000/XP/Vista/7
- Linux (RedHat, Slackware, kernel 2.2–2.6+)
- SCO OpenServer 5.x
- DOS (I/O map mode only)

Documentation:
- Comprehensive installation manuals for each OS
- Hardware schematics and DIP switch configuration tables
- Example applications and source code for UNIX/Linux environments

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### Summary

The Rayon A3064 PCIe 64-Port Serial Solution is a robust, scalable, and intelligent communication interface designed for high-density serial connectivity in industrial and enterprise systems. Its modular architecture, intelligent processor design, and extensive OS support make it ideal for applications requiring reliable, high-speed, and flexible serial communication. With support for RS232, RS422, and RS485 standards, ground isolation, and up to 64 ports per card, the A3064 delivers exceptional performance and integration flexibility for multi-user, automation, and data acquisition environments.