Comprehensive Product Summary – UP1024I Universal PCIPORT Card

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### 1. Product Overview

Product Name: UP1024I Universal PCIPORT Card
Model: UP1024I
Series: UPCI Intelligent Serial Solution
Article Number: UP1024I
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 UP1024I is a high-density, intelligent PCI serial communication card designed to provide 24 ground-isolated RS232 ports through a single PCI slot. It is part of Rayon’s UPCI series, engineered for industrial and multi-user environments requiring robust, isolated serial connectivity. The card integrates intelligent resource management, supports both 3.3V and 5V PCI slots, and is compatible with a wide range of operating systems including DOS, Windows (95 through 7), Linux, and SCO UNIX.

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### 2. Key Features

- 24 Ground-Isolated RS232 Ports: Provides 24 independent, galvanically isolated RS232 serial interfaces via three IF108 connector boxes (8 ports each).
- Universal PCI Compatibility: Supports both 3.3V and 5V, 33MHz PCI bus slots, ensuring compatibility with modern and legacy systems.
- Single IRQ Resource Allocation: All 24 ports share a single IRQ assigned automatically by the PCI BIOS, minimizing system resource usage.
- Intelligent Serial Architecture: Incorporates the P640NU intelligent multi-port card with dedicated memory mapping and I/O mapping modes.
- Flexible Memory Mapping: Supports either 2×4KB memory-mapped UART controllers or 256B/64B I/O-mapped configurations.
- High-Speed Communication: Each port supports baud rates from 110 to 115,200 bps (software-configurable).
- Comprehensive OS Support: Drivers available for DOS, Windows 95/98/Me/NT/2000/XP/Vista/7, Linux, and SCO OpenServer.
- Hardware Flow Control: Supports both XON/XOFF software flow control and RTS/CTS hardware handshaking.
- Industrial Isolation: Each port is ground-isolated to prevent ground loops and electrical interference in industrial environments.
- Compact Design: Occupies a single PCI slot while providing 24 ports through external connector boxes.
- Upgradeable Architecture: Compatible with Rayon’s PCIIOP series and other intelligent processor-based cards (e.g., P990F, IOP3927F).

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### 3. Technical Specifications

System Structure:
- P640NU intelligent multi-port PCI card
- Three IF108 connector boxes (8 ports each)
- A640 0.7m connecting cable (DB9 male connectors)

Bus Interface:
- PCI 2.2 compliant, 33MHz
- 3.3V and 5V signaling supported
- 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 Assignment:
- Single IRQ dynamically assigned by PCI BIOS

Port Specifications:
- Interface: RS232C (ground-isolated)
- Connector Type: DB9 male (via IF108 boxes)
- Baud Rate: 110–115,200 bps (configurable)
- Flow Control: XON/XOFF (software), RTS/CTS (hardware)
- Isolation: Ground isolation per port

Physical Dimensions:
- Card: 5.0 × 3.4 inches (127 × 86 mm)
- Cable: 0.7 meters (A640 cable)

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

Materials:
- Multi-layer PCB with gold-plated PCI edge connector
- Metal shielding enclosure for connector boxes

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### 4. Functionality

The UP1024I functions as an intelligent, multi-port serial communication interface for PCs and industrial systems. It connects to the host via a PCI slot and expands serial connectivity through three external IF108 boxes, each providing eight isolated RS232 ports. The card’s intelligent controller manages data flow between the host CPU and serial devices, reducing CPU load and improving system performance.

Use Cases and Applications:
- Industrial automation and control systems
- Multi-terminal communication servers
- Data acquisition and instrumentation
- POS and kiosk systems
- Serial device networking and monitoring
- SCADA and process control environments

Compatibility:
- Fully compatible with standard RS232 devices (modems, sensors, PLCs, terminals)
- Supports both legacy and modern PCI-based PCs
- Works with multiple operating systems and driver models

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### 5. Components & Accessories

Included Components:
- 1 × P640NU PCI intelligent multi-port card
- 3 × IF108 ground-isolated RS232 connector boxes (8 ports each)
- 1 × A640 0.7m cable (DB9 male connectors)
- Driver and utility software (DOS, Windows, Linux, SCO)

Optional Accessories:
- Additional IF108 boxes for expansion
- PCIIOP upgrade kits (P990F, IOP3927F intelligent cards)
- Extended-length cables for remote mounting
- Rack-mount brackets for multi-box installations

Connectors:
- DB9 male connectors on IF108 boxes
- 37-pin D-type connectors between card and boxes

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### 6. Installation & Setup

Hardware Installation:
1. Power off the PC and disconnect AC power.
2. Insert the UP1024I card into an available PCI slot (3.3V or 5V).
3. Connect the A640 cable from the card to the first IF108 box.
4. Daisy-chain additional IF108 boxes using the provided connectors.
5. Secure boxes using the supplied brackets if multiple units are mounted.
6. Power on the system and verify BIOS detection.

Software Installation:
- DOS/Windows 95/98/Me: Use I/O map mode drivers.
- Windows NT/2000/XP/Vista/7: Use memory map mode drivers (A:\WIN2000 directory).
- Linux: Install source-based driver from /etc/rayon directory using `./Install`.
- SCO UNIX: Install via `/etc/custom` or `tar` command, rebuild kernel as required.

Configuration:
- COM port numbering is automatically assigned but can be modified via driver setup utilities.
- For Linux, device names follow `/dev/tty[6–7][1–8][a–h]` convention.
- For Windows, COM port start numbers can be adjusted in Device Manager → Multi-port Serial Adapter → Setup.

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### 7. Performance & Capabilities

Communication Speed:
- 110 to 115,200 bps per port (software selectable)
- UNIX systems support 50, 75, 150 bps settings for compatibility with 57,600–115,200 bps targets

Throughput:
- 24 simultaneous full-duplex RS232 channels
- Optimized interrupt sharing for minimal CPU overhead

Capacity:
- Up to 24 ports per card, 48 ports per system (two cards maximum)

Efficiency:
- Intelligent buffering and memory mapping reduce host CPU load
- Supports both memory-mapped and I/O-mapped operation modes

Limitations:
- Maximum of two UP1024I cards per system
- RS232 only (no RS422/485 support on this model)
- Operating temperature limited to 40°C

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### 8. Standards & Compliance

Electrical and Interface Standards:
- RS232C (EIA/TIA-232) compliant
- PCI Local Bus Specification 2.2 compliant
- Supports 33MHz PCI signaling at 3.3V/5V

Software and OS Compliance:
- Certified drivers for DOS, Windows (95–7), Linux, and SCO UNIX
- Compatible with major Linux distributions (RedHat, Slackware)

Safety and Environmental:
- Ground isolation per port for electrical safety
- Designed for industrial EMI/ESD resilience

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

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### 9. Additional Information

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

Support & Maintenance:
- Technical support via email (rayon@ms1.hinet.net)
- Firmware and driver updates available from [www.rayontech.com](http://www.rayontech.com)
- RMA procedure available for defective units (requires model, serial number, and issue description).

Repair Policy:
- Warranty repairs free of charge for covered defects.
- Out-of-warranty repairs available at a flat-rate service fee.

Upgrade Path:
- Compatible with Rayon’s intelligent PCIIOP series (P990F, IOP3927F) for enhanced processing power.
- Supports expansion to 64 ports using additional connector boxes and intelligent controllers.

Maintenance Recommendations:
- Ensure proper grounding and isolation when connecting industrial equipment.
- Avoid hot-swapping connector boxes; always power down before reconfiguration.
- Periodically inspect cables and connectors for wear or oxidation.

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### Summary

The Rayon UP1024I Universal PCIPORT Card is a robust, industrial-grade multi-port serial communication solution designed for high-density RS232 connectivity. With 24 ground-isolated ports, universal PCI compatibility, and comprehensive driver support across multiple operating systems, it is ideal for industrial automation, data acquisition, and multi-terminal communication environments. Its intelligent architecture minimizes CPU load, while its modular design allows flexible expansion and integration with other Rayon intelligent I/O systems.

The UP1024I exemplifies Rayon’s engineering focus on reliability, scalability, and cross-platform compatibility—making it a preferred choice for system integrators and industrial communication specialists seeking a stable, high-performance serial interface solution.