Comprehensive Product Summary – Rayon Technology A1316I PCIe 16-Port Ground-Isolated Serial Communication Card

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### 1. Product Overview

Product Name: PCIe 16-Port Ground Isolated Serial Communication Card
Model: A1316I
Article Number: A1316I
Series: A320 Intelligent Multiport PCIe 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
Web: [www.rayontech.com](http://www.rayontech.com)

The Rayon A1316I is a high-performance PCI Express (PCIe) intelligent multiport serial communication card designed for industrial and commercial applications requiring multiple isolated serial interfaces. It integrates advanced ground isolation, supports mixed RS232, RS422, and RS485 communication standards, and provides up to 16 independent serial ports in a single PCIe slot.

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### 2. Key Features

- High-Density Serial Expansion:
Provides 16 ground-isolated serial ports in one PCIe slot, combining 8 × RS232 and 8 × configurable RS232/RS422/RS485 interfaces.

- Intelligent Multiport Architecture:
Built on the A320 intelligent multiport card platform, supporting up to 64 serial ports per system using daisy-chained connector boxes.

- Ground Isolation:
Each port is galvanically isolated to prevent ground loops and electrical interference, ensuring reliable operation in industrial environments.

- Flexible Interface Configuration:
Supports RS232, RS422, and RS485 modes selectable via DIP switches on the connector boxes (IF108, IF208, IF308).

- Single IRQ Resource Allocation:
Utilizes only one IRQ for all ports, minimizing system resource usage and simplifying configuration.

- Broad OS Compatibility:
Supports DOS, Windows 95/98/Me, NT, 2000, XP, Vista, Windows 7, Linux, and SCO OpenServer.

- High-Speed Communication:
Each port supports baud rates from 110 to 115,200 bps with both hardware (RTS/CTS) and software (XON/XOFF) flow control.

- Industrial-Grade Design:
Engineered for continuous operation in environments with temperature ranges from 5°C to 40°C and humidity up to 90% RH.

- Expandable System:
Compatible with NF and IF series connector boxes, allowing expansion up to 64 ports per card.

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### 3. Technical Specifications

Card Specifications:
- Bus Interface: PCI Express (PCIe) 3.3V, 33 MHz
- Form Factor: 122 mm × 86 mm (approx. 10.0 × 9.5 cm)
- Power Requirements: 3.3V and 5V PCI slot compatible
- Maximum Cards per System: 2
- Connector: DB37 male connector
- Included Cable: A640 cable, 0.7 m length
- Material: Industrial-grade PCB with reinforced insulation (Rayon proprietary design)

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

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

Dimensions and Weight:
- Card: 122 × 86 mm (approx. 10 × 9.5 cm)
- Connector Box (IF108/IF208/IF308): 268 × 128 × 38 mm
- Weight: Approx. 0.3 kg (card only)

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### 4. Functionality

The A1316I functions as a multiport serial communication controller, enabling simultaneous data exchange across multiple isolated serial channels. It connects to external IF-series connector boxes via the A640 cable, each box providing 8 isolated serial ports. The card’s intelligent processor manages data flow between the host CPU and serial devices, reducing CPU load and improving system throughput.

Use Cases and Applications:
- Industrial automation and control systems
- Data acquisition and monitoring
- SCADA and PLC communication
- POS and kiosk systems
- Multi-terminal serial device management
- Remote serial communication over RS422/RS485 networks

Compatibility:
- Operating Systems: DOS, Windows 95/98/Me, NT, 2000, XP, Vista, Windows 7, Linux, SCO OpenServer
- Hardware: Compatible with PC/AT and x86-based systems supporting PCIe slots
- Software Drivers: Provided for all supported OS platforms, including source-level drivers for Linux

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### 5. Components & Accessories

Included Components:
- A1316I PCIe intelligent multiport card
- A640 0.7 m connection cable
- IF108 and IF308 connector boxes (8 ports each)

Optional Accessories:
- IF108 Box: 8-port ground-isolated RS232C interface
- IF208 Box: 8-port ground-isolated RS422/RS485 interface
- IF308 Box: 8-port ground-isolated RS232/RS422/RS485 selectable interface
- NF116/NF216/NF316 Boxes: 16-port non-isolated RS232/RS422/RS485 options
- P640NU Card: PCI version compatible with same connector boxes
- P990F / IOP3927F Cards: Advanced models with built-in local processors (Intel 80960JF or 133 MHz MIPS)

Connector Types:
- DB9 male connectors on all IF/NF boxes
- DB37 male connector on the A1316I card
- Daisy-chain connectors (37-pin D-type) for multi-box expansion

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### 6. Installation & Setup

Hardware Installation:
1. Power off the PC and disconnect AC power.
2. Insert the A1316I card into an available PCIe slot.
3. Connect the A640 cable between the card’s DB37 connector and the IF-series box.
4. Daisy-chain additional boxes if required (up to 8 per card).
5. Secure boxes using provided brackets for multi-box configurations.
6. Power on the system and verify LED indicators on the boxes.

Software Installation:
- Windows: Plug-and-play detection with driver installation via Control Panel → Device Manager → Multi-port Serial Adapter → Setup.
- Linux: Install source driver via `/etc/rayon/Install` script; supports kernel versions 2.2, 2.4, and 2.6+.
- SCO UNIX: Install via `/etc/custom` or `tar` command; rebuild kernel after installation.
- DOS/Legacy Windows: Use I/O map mode drivers provided on installation diskette.

Configuration:
- DIP switches on IF boxes select RS232/RS422/RS485 modes.
- COM port numbering configurable via driver setup utility.
- Supports daisy-chained expansion up to 64 ports per system.

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### 7. Performance & Capabilities

Communication Performance:
- Baud Rate: 110 to 115,200 bps (configurable per port)
- Flow Control:
- Software: XON/XOFF
- Hardware: RTS/CTS
- FIFO Buffer: 16C554 UART with advanced FIFO buffering
- Isolation: Full ground isolation per port (IF-series boxes)
- Signal Integrity: Supports long-distance RS422/RS485 communication up to several hundred meters

Capacity and Scalability:
- Per Card: 16 ports (8 RS232 + 8 RS232/422/485)
- Per System: Up to 2 cards (32 ports total)
- Expandable Architecture: Supports up to 64 ports using additional connector boxes

Efficiency:
- Intelligent local processor offloads host CPU
- Single IRQ for all ports reduces system overhead
- Memory-mapped and I/O-mapped operation modes for flexible resource allocation

Limitations:
- Maximum of two cards per system
- RS485 mode requires proper DIP switch configuration
- Some legacy OS versions limited to I/O map mode only

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### 8. Standards & Compliance

Electrical and Interface Standards:
- RS232C, RS422, RS485 compliant
- Ground isolation per IEC industrial standards
- PCI Express 3.3V, 33 MHz bus compliance

Certifications and Regulatory Compliance:
- CE and FCC Class A (industrial environment)
- RoHS compliant materials
- Designed and manufactured under ISO 9001 quality management standards

Software and Driver Standards:
- Fully compliant with Microsoft Windows driver model (WDM)
- Linux open-source driver support (source code provided)
- SCO UNIX kernel integration via Link Kit

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### 9. Additional Information

Warranty and Support:
- Warranty Period: 1 year limited hardware warranty
- Coverage: Defects in materials and workmanship
- Exclusions: Damage from misuse, unauthorized servicing, or electrical faults
- Repair Policy:
- RMA (Return Material Authorization) required
- Free repair for in-warranty defects
- Flat-rate repair service for out-of-warranty units

Maintenance:
- Periodic inspection of connectors and cables recommended
- Ensure proper grounding and isolation in industrial environments
- Firmware and driver updates available from Rayon Technology’s website

Technical Support:
- Email: rayon@ms1.hinet.net / info@rayontech.com.tw
- Web resources: [www.rayontech.com](http://www.rayontech.com)
- Documentation includes detailed installation guides for Windows, Linux, and UNIX systems

Product Family Compatibility:
- Fully interoperable with Rayon’s A320, A1032I, P640NU, and IOP3927 series
- Supports IF108/IF208/IF308 connector boxes for isolated communication
- Compatible with NF116/NF216/NF316 boxes for non-isolated high-density applications

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### Summary

The Rayon A1316I PCIe 16-Port Ground-Isolated Serial Communication Card is a robust, industrial-grade solution for multiport serial communication in demanding environments. Combining intelligent processing, flexible interface configuration, and full electrical isolation, it provides reliable connectivity for a wide range of serial devices. Its modular architecture allows seamless expansion, while comprehensive driver support ensures compatibility across legacy and modern operating systems. Designed for performance, stability, and scalability, the A1316I is ideal for system integrators, industrial automation engineers, and network administrators managing complex serial communication infrastructures.