Comprehensive Product Summary – RAYON UP2316I Intelligent Multi-Port PCI Serial Solution

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### 1. Product Overview

Product Name: UP2316I Universal PCI Intelligent Serial Port Card
Model: UP2316I
Series: UPCI Intelligent Serial Communication Series
Article Number: UP2316I
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
Website: [www.rayontech.com](http://www.rayontech.com)

The UP2316I is a high-performance, ground-isolated, intelligent PCI serial communication card designed for industrial and multi-user environments. It integrates 8 isolated RS422/RS485 ports and 8 RS232/RS422/RS485 configurable ports within a single PCI slot, providing a total of 16 serial channels. The card is part of RAYON’s UPCI intelligent I/O family, engineered for robust data communication, system scalability, and cross-platform compatibility.

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### 2. Key Features

- Dual-Port Configuration:
Supports 8 ground-isolated RS422/RS485 ports and 8 configurable RS232/RS422/RS485 ports simultaneously.

- Universal PCI Compatibility:
Operates in both 3.3V and 5V 33MHz PCI slots, ensuring compatibility with legacy and modern PC architectures.

- Intelligent Serial Processing:
Incorporates the P640NU intelligent multi-port card architecture, enabling efficient data handling and reduced CPU load.

- Ground Isolation:
Each port is galvanically isolated to prevent ground loops and electrical interference, ideal for industrial automation and communication systems.

- Flexible Interface Selection:
Each port can be independently configured via DIP switches for RS232, RS422, or RS485 operation.

- High-Speed Communication:
Supports baud rates from 110 bps up to 115,200 bps (software-selectable), with UNIX compatibility mappings for 50, 75, 150 bps to achieve 57,600, 76,800, and 115,200 bps.

- Comprehensive OS Support:
Compatible with DOS, Windows 95/98/Me/NT/2000/XP/Vista/7, Linux, and SCO OpenServer.

- Single IRQ Resource:
Utilizes one IRQ for all 16 ports, optimizing system resource allocation.

- Industrial-Grade Design:
Ruggedized metal box structure with DB9 male connectors and optional A640 0.7m cable for reliable connectivity.

- Upgradeable Architecture:
The P640NU card can be upgraded to PCIIOP series intelligent cards (e.g., P990F with Intel 80960JF or IOP3927F with 133MHz MIPS processor) using the same connector boxes.

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### 3. Technical Specifications

System Structure:
- P640NU intelligent multi-port PCI card
- IF208 connector box (8 isolated RS422/RS485 ports)
- IF308 connector box (8 isolated RS232/RS422/RS485 ports)
- A640 interconnection cable (0.7m)

Bus Interface:
- PCI 2.2 compliant, 33MHz
- 3.3V and 5V universal PCI slot support
- Maximum of two cards per system

Memory and I/O Mapping:
- Memory Map Mode:
- 128 bytes for PCI controller
- Two 4KB blocks for UART controllers
- I/O Map Mode:
- 128 bytes for PCI controller
- 256 bytes for UART controller
- 64 bytes for status registers
- IRQ: Single IRQ assigned by PCI BIOS

Port Configuration:
- IF208 Box: 8 isolated RS422/RS485 ports
- IF308 Box: 8 isolated RS232/RS422/RS485 ports
- Each port selectable via DIP switch

Baud Rate:
110, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 76800, 115200 bps
(UNIX mapping: 50, 75, 150 bps for 57.6k, 76.8k, 115.2k bps)

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

Connectors:
- DB9 male connectors on both IF208 and IF308 boxes

Physical Dimensions:
- Card: 5.0 × 3.4 inches (127 × 86 mm)

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

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### 4. Functionality

The UP2316I functions as an intelligent serial communication interface for PCs and industrial systems. It offloads serial data processing from the host CPU, improving overall system performance. The card’s dual-port configuration allows simultaneous operation of isolated and non-isolated serial channels, making it suitable for mixed-environment applications.

Typical Use Cases:
- Industrial automation and control systems
- SCADA and data acquisition networks
- Multi-terminal communication servers
- POS and kiosk systems
- Serial device networking and monitoring
- Laboratory instrumentation and test systems

Compatibility:
- Fully compatible with standard RS232, RS422, and RS485 devices
- Supports daisy-chained connector boxes for expansion
- Works with RAYON’s intelligent IOP3927 and PCIIOP series for scalable multi-port configurations

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### 5. Components & Accessories

Included Components:
- UP2316I PCI card (P640NU architecture)
- IF208 isolated RS422/RS485 connector box
- IF308 isolated RS232/RS422/RS485 connector box
- A640 0.7m interconnection cable
- Driver and utility software package (DOS, Windows, Linux, SCO)

Optional Accessories:
- Extended cables for remote box placement
- Additional IF208/IF308 boxes for expansion
- PCIIOP upgrade cards (P990F, IOP3927F)
- Mounting brackets for multi-box daisy chaining

Connector Type:
DB9 male connectors per port; 8 ports per box.

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### 6. Installation & Setup

Hardware Installation:
1. Power off the PC and disconnect AC power.
2. Insert the UP2316I card into an available PCI slot (3.3V or 5V).
3. Connect the IF208 and IF308 boxes using the A640 cable.
4. Secure boxes using the provided brackets if multiple boxes are daisy-chained.
5. Power on the system and verify BIOS detection.

Software Installation:
- DOS/Windows 95/98/Me: Use I/O map mode; install via Plug & Play or manual driver setup.
- Windows NT/2000/XP/Vista/7: Use memory map mode; install via Device Manager or Add Hardware Wizard.
- Linux: Install source-based driver from /etc/rayon; compile against kernel source.
- SCO OpenServer: Install via `/etc/custom` or `tar` method; rebuild kernel after installation.

Configuration:
- DIP switches on IF208/IF308 boxes select RS232/RS422/RS485 mode per port.
- COM port numbering configurable via driver setup utility.
- IRQ and memory mapping automatically assigned by PCI BIOS.

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### 7. Performance & Capabilities

Data Throughput:
Up to 115.2 kbps per port (aggregate throughput dependent on system bus and driver configuration).

Capacity:
- 16 total serial ports per card (8 isolated + 8 configurable)
- Up to 2 cards per system (32 ports total)

Efficiency:
- Intelligent UART buffering reduces CPU overhead.
- Single IRQ servicing for all ports enhances multitasking performance.
- Ground isolation ensures signal integrity in electrically noisy environments.

Limitations:
- DOS and Windows 9x limited to I/O map mode (no memory mapping).
- Maximum of two cards per system due to IRQ and PCI resource constraints.
- Baud rate limited to 115.2 kbps per port (standard UART limitation).

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### 8. Standards & Compliance

Electrical & Interface Standards:
- RS232C (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)
- PCI 2.2 Bus Specification (33MHz, 32-bit)

Software & OS Compliance:
- Microsoft Windows certified drivers (NT/2000/XP/Vista/7)
- Linux kernel 2.2–2.6 compatible source drivers
- SCO OpenServer 5.x supported
- DOS legacy driver support

Safety & Isolation:
- Ground isolation per port for RS422/RS485 channels
- Designed for industrial EMC environments

Regulatory Compliance:
- CE and FCC Class A (industrial environment)
- RoHS compliant manufacturing process

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### 9. Additional Information

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

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

Maintenance Recommendations:
- Ensure proper grounding and isolation when connecting industrial equipment.
- Avoid hot-swapping connector boxes; always power down before reconfiguration.
- Periodically check DIP switch settings and cable integrity.

Upgrade Path:
- Compatible with RAYON’s PCIIOP intelligent series for higher performance and local CPU processing.
- Supports expansion to 64 ports per card using daisy-chained connector boxes.

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### Summary

The RAYON UP2316I is a robust, intelligent, and flexible PCI serial communication solution tailored for industrial and multi-user applications. Its dual isolated and configurable port architecture, universal PCI compatibility, and comprehensive OS driver support make it ideal for system integrators and industrial automation engineers. With ground isolation, high reliability, and scalable design, the UP2316I ensures stable, interference-free serial communication across diverse environments, from legacy DOS systems to modern Windows and Linux platforms.