Comprehensive Product Summary – Rayon Technology PCIe 64-Port RS232 Solution (Model A1064)

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### 1. Product Overview

Product Name: PCIe 64-Port RS232 Solution
Model Number: A1064
Article Number: A1064
Series: A320 Intelligent Multiport Series
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
Website: [www.rayontech.com](http://www.rayontech.com)

The Rayon A1064 is a high-density PCI Express (PCIe) serial communication solution designed for industrial and enterprise systems requiring large-scale serial connectivity. It supports up to 64 RS232 ports through modular expansion boxes, providing a scalable, intelligent, and efficient interface for multi-user or multi-device environments.

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### 2. Key Features

- High Port Density: Supports up to 64 serial ports via a single PCIe slot.
- Single IRQ Operation: All 64 ports share one interrupt request line, minimizing system resource usage.
- Flexible Expansion: Modular design allows expansion from 8 to 64 ports in seconds using connector boxes (NF116/NF216/NF316 or IF108/IF208/IF308).
- Intelligent Processor Architecture: Integrated intelligent processor manages data flow, reducing CPU load and improving system performance.
- Broad OS Compatibility: Supports DOS, Windows 95/98/Me/NT/2000/XP/Vista/7, Linux, and SCO OpenServer.
- Multiple Interface Options: RS232, RS422, and RS485 selectable per port via DIP switches on connector boxes.
- Ground Isolation: Optional isolated interface boxes (IF series) provide electrical isolation for industrial environments.
- High Reliability: FIFO-type UART controllers ensure stable data transmission and reduced latency.
- Plug-and-Play PCIe Interface: Fully compliant with PCI Express 3.3V and 5V 33MHz slots.
- Compact Design: Card dimensions of 122 × 86 mm (approx. 10.0 × 9.5 cm).
- Included Cable: Supplied with A640 0.7 m DB37 male cable for connection to external boxes.

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### 3. Technical Specifications

Card Specifications (A320 Intelligent Multiport Card):
- Bus Interface: PCI Express (PCIe) 3.3V / 5V, 33 MHz
- Memory Map:
- 128 bytes for PCI controller
- Two 4 KB blocks for UART controller
- I/O Map:
- 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 by PCI BIOS
- Dimensions: 122 × 86 mm (10.0 × 9.5 cm)
- Weight: Approx. 100 g (card only)
- Material: Multi-layer PCB with gold-plated edge connector
- Connector: DB37 male (to A640 cable)

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

Electrical Requirements:
- PCIe slot power: 3.3V and 5V
- Maximum 2 cards per system

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### 4. Functionality

The A1064 functions as an intelligent multiport serial communication controller. It connects to external multiport connector boxes via the A640 cable, each box providing 8 or 16 serial ports depending on model. The card’s onboard processor and UART controllers handle serial communication tasks, offloading the host CPU.

Use Cases:
- Industrial automation systems requiring multiple serial device connections
- Data acquisition and control systems
- Multi-terminal server environments
- POS and kiosk networks
- Communication hubs for RS232/RS422/RS485 devices

Compatibility:
- Operating Systems: DOS, Windows 95/98/Me/NT/2000/XP/Vista/7, Linux, SCO OpenServer
- Hardware: Standard PCIe slots in PC/AT or compatible systems

Communication Interfaces:
- RS232C, RS422, RS485 (selectable per port)
- Baud Rate: 110–115,200 bps (configurable per port)
- Flow Control: XON/XOFF (software), RTS/CTS (hardware)

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### 5. Components & Accessories

Included Components:
- A320 PCIe intelligent multiport card
- A640 0.7 m DB37 male cable
- Driver and installation media (supports multiple OS)
- Documentation and setup guide

Compatible Connector Boxes:
- NF116: 16-port RS232C compatible (DB9 male)
- NF216: 16-port RS422/RS485 selectable (DB9 male)
- NF316: 16-port RS232/RS422/RS485 selectable (DB9 male)
- IF108: 8-port ground-isolated RS232C (DB9 male)
- IF208: 8-port ground-isolated RS422/RS485 selectable (DB9 male)
- IF308: 8-port ground-isolated RS232/RS422/RS485 selectable (DB9 male)

Optional Accessories:
- P640NU PCI card (compatible with same connector boxes)
- P990F card (with Intel 80960JF local processor)
- IOP3927F card (with 133 MHz MIPS processor)
- Daisy-chain brackets for multi-box mounting (up to 8 boxes)

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### 6. Installation & Setup

System Requirements:
- PC/AT or compatible system with available PCIe slot
- Supported OS installed
- Adequate power supply for card and external boxes

Installation Steps:
1. Power off the system and insert the A320 card into an available PCIe slot.
2. Connect the A640 cable from the card’s DB37 connector to the first external box.
3. Daisy-chain additional boxes (up to 8 total) using 37-pin connectors.
4. Power on the system; the PCI BIOS assigns resources automatically.
5. Install the appropriate driver for your operating system.
6. Configure COM port assignments and verify operation using diagnostic utilities.

Mounting Options:
- Internal PCIe slot installation
- External boxes can be rack-mounted or chained using supplied brackets

Configuration:
- DIP switches on connector boxes select RS232/RS422/RS485 modes
- Software utilities allow COM port numbering and baud rate configuration

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### 7. Performance & Capabilities

Port Capacity:
- Up to 64 serial ports per card
- Maximum of 2 cards per system (128 ports total)

Baud Rate:
- 110 to 115,200 bps per port (configurable)
- UNIX/Linux systems support extended rates (50, 75, 150 bps mapped to 57,600, 76,800, 115,200 bps)

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

Data Handling:
- FIFO-type UART controllers (16C554) for each port
- Intelligent processor manages data buffering and flow control
- Dual 4 KB memory maps for UART control

Efficiency:
- Single IRQ for all ports reduces CPU overhead
- Intelligent local processing minimizes host CPU load
- Supports simultaneous multi-port communication without performance degradation

Limitations:
- Maximum 2 cards per system
- Operating temperature limited to 40°C
- Requires proper driver installation for full functionality

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### 8. Standards & Compliance

Bus Interface Standards:
- PCI Express 3.3V / 5V, 33 MHz compliant

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

Electrical Isolation (IF Series):
- Ground isolation between ports and system
- Protection against ground loops and electrical noise

Regulatory Compliance:
- CE and FCC Class A (industrial environment)
- RoHS compliant materials
- Designed for industrial-grade reliability

Software Driver Standards:
- Windows-certified drivers for NT/2000/XP/Vista/7
- Linux kernel module source provided for 2.2, 2.4, and 2.6 kernels
- SCO OpenServer driver integration supported

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### 9. Additional Information

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

Support & Maintenance:
- Technical support via email (rayon@ms1.hinet.net)
- Firmware and driver updates available from Rayon’s website
- RMA (Return Material Authorization) process for repairs
- Out-of-warranty repairs available at flat-rate service charge

Maintenance Recommendations:
- Ensure proper ventilation and ambient temperature
- Avoid hot-swapping connector boxes while powered
- Periodically check cable connections and DIP switch settings

Software Utilities:
- “etty” utility for port testing and data transmission verification
- “om” utility for monitoring data flow across multiple ports
- Setup utilities for COM port configuration under Windows

Expansion & Scalability:
- Daisy-chain up to 8 connector boxes per card
- Mix and match RS232, RS422, and RS485 interfaces as needed
- Supports hybrid configurations (e.g., local RS232 + remote RS485)

Example Configurations:
- One A320 card + four IF108 boxes = 32 isolated RS232 ports
- One A320 card + four NF316 boxes = 64 mixed RS232/RS422/RS485 ports
- Two A320 cards + eight IF308 boxes = 128 isolated multi-interface ports

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### Summary

The Rayon A1064 PCIe 64-Port RS232 Solution is a robust, modular, and intelligent serial communication platform engineered for high-density industrial and enterprise applications. Its architecture combines intelligent local processing, flexible interface selection, and broad OS compatibility, making it ideal for environments requiring reliable, large-scale serial connectivity.

With support for up to 64 ports per card, ground isolation options, and seamless integration across multiple operating systems, the A1064 delivers exceptional scalability and performance. Its single-IRQ design, intelligent UART management, and modular connector boxes ensure efficient resource utilization and simplified system expansion.

In essence, the A1064 provides a complete, industrial-grade multiport serial communication solution—optimized for performance, flexibility, and reliability in demanding data communication environments.