Comprehensive Product Summary – Rayon Technology UP3024I Universal PCI Multi-Port Serial Card

---

### 1. Product Overview

Product Name: UP3024I
Model: UP3024I
Series: UPCI Intelligent Serial Communication Series
Article Number: UP3024I
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 UP3024I is a universal PCI intelligent serial communication card designed to provide 24 isolated RS232/RS422/RS485 ports within a single PCI slot. It is part of Rayon’s UPCI intelligent multi-port communication solution, engineered for industrial and multi-user computing environments requiring high-density, isolated serial connectivity. The card supports both 3.3V and 5V PCI 33MHz slots, ensuring compatibility with a wide range of PC architectures.

---

### 2. Key Features

- 24 Ground-Isolated Serial Ports: Supports 24 individually isolated RS232/RS422/RS485 ports through three IF308 connector boxes (8 ports per box).
- Universal PCI Compatibility: Operates in both 3.3V and 5V PCI 33MHz slots, suitable for modern and legacy systems.
- Single IRQ Resource: All 24 ports share one IRQ, minimizing system resource usage.
- Flexible Interface Configuration: Each port can be independently configured as RS232, RS422, or RS485 via DIP switches.
- High-Speed Communication: Supports baud rates from 110 to 115,200 bps (software-selectable).
- Hardware and Software Flow Control: Supports both RTS/CTS hardware and XON/XOFF software handshaking.
- Ground Isolation: Each port is galvanically isolated to prevent ground loops and electrical interference.
- Cross-Platform Driver Support: Compatible with DOS, Windows 95/98/Me/NT/2000/XP/Vista/7, Linux, and SCO OpenServer.
- Intelligent Architecture: Based on the P640NU intelligent multi-port card architecture, with optional upgrade to PCIIOP series for local CPU processing.
- Compact Design: Fits a single PCI slot, with external connector boxes for modular expansion.
- Industrial Reliability: Designed for continuous operation in industrial environments with wide temperature and humidity tolerance.

---

### 3. Technical Specifications

System Structure:
- P640NU intelligent multi-port PCI card
- Three IF308 connector boxes (8 ports each)
- A640 cable (0.7 m length)

Bus Interface:
- PCI 2.2 compliant
- 33 MHz, 32-bit PCI bus
- Supports both 3.3V and 5V signaling
- Maximum two cards per system

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

Port Configuration:
- 24 ports total (3 × 8-port IF308 boxes)
- Each port selectable as RS232, RS422, or RS485
- DIP switch configuration per port
- DB9 male connectors on each IF308 box

Baud Rate:
- 110 to 115,200 bps (standard)
- UNIX compatibility mapping: 50, 75, 150 bps correspond to 57,600, 76,800, and 115,200 bps

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

Physical Dimensions:
- Card: 5.0 × 3.4 inches (127 × 86 mm)
- IF308 Box: 8-port metal enclosure with DB9 connectors

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

---

### 4. Functionality

The UP3024I functions as a high-density, isolated serial communication interface for PCs and industrial controllers. It connects to external devices such as PLCs, sensors, modems, and serial terminals through three IF308 boxes. Each box provides eight configurable ports, allowing mixed RS232, RS422, and RS485 operation.

Operation Principle:
- The P640NU card interfaces with the host system via the PCI bus.
- Data is transmitted through the A640 cable to the IF308 boxes.
- Each IF308 box provides galvanic isolation and signal conversion.
- DIP switches on each port determine the communication standard.
- The system uses a single IRQ and shared memory/I/O mapping for efficient resource management.

Typical Applications:
- Industrial automation and control systems
- Multi-terminal communication servers
- Data acquisition and monitoring systems
- SCADA and process control
- POS and kiosk systems
- Serial device networking under Linux or UNIX environments

Compatibility:
- Fully compatible with DOS, Windows (95 through 7), Linux, and SCO UNIX.
- Supports both I/O-mapped and memory-mapped operation modes depending on OS requirements.

---

### 5. Components & Accessories

Included Components:
- 1 × P640NU PCI intelligent multi-port card
- 3 × IF308 isolated connector boxes (8 ports each)
- 1 × A640 cable (0.7 m, 37-pin D-type connector)
- Driver and utility software (DOS, Windows, Linux, SCO)
- Documentation and installation guide

Optional Accessories:
- Additional IF308 boxes for expansion
- PCIIOP upgrade cards (e.g., P990F with Intel 80960JF CPU, IOP3927F with 133 MHz MIPS CPU)
- Extended A640 cables for remote mounting
- Mounting brackets for multi-box daisy-chain installation

Connectors:
- PCI edge connector (3.3V/5V)
- 37-pin D-type male connector (card to box)
- DB9 male connectors (on IF308 boxes)

---

### 6. Installation & Setup

Hardware Installation:
1. Power off the PC and disconnect AC power.
2. Insert the UP3024I card into an available PCI slot (3.3V or 5V).
3. Connect the A640 cable between the card and the first IF308 box.
4. Daisy-chain additional IF308 boxes as needed (up to three for 24 ports).
5. Secure boxes using provided 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; install via provided INF files.
- Windows NT/2000/XP/Vista/7: Plug & Play detection; specify driver path (A:\WIN2000).
- Linux: Install source-based driver; compile against kernel source (supports 2.2–2.6 kernels).
- SCO OpenServer: Install via `/etc/custom` or `tar` method; rebuild kernel after installation.

Configuration:
- Set port mode (RS232/RS422/RS485) via DIP switches on each IF308 port.
- Assign COM port numbers through driver setup utilities in Windows.
- Verify operation using “HyperTerminal” (Windows) or “etty”/“om” utilities (Linux).

---

### 7. Performance & Capabilities

Communication Performance:
- Baud Rate: 110–115,200 bps per port
- Data Bits: 5, 6, 7, or 8
- Stop Bits: 1 or 2
- Parity: None, Even, Odd
- Flow Control: RTS/CTS, XON/XOFF
- Isolation: Ground isolation per port (prevents cross-interference)

Capacity:
- 24 independent serial channels per card
- Up to 2 cards per system (48 ports total)
- Each port configurable independently

Efficiency:
- Single IRQ for all ports reduces CPU overhead
- Intelligent buffering (4 KB per UART controller) ensures stable high-speed communication
- Compatible with multi-threaded and multi-user environments

Limitations:
- Maximum of two cards per system
- Operating temperature limited to 40°C
- Baud rate limited to 115,200 bps (standard UART limitation)

---

### 8. Standards & Compliance

Electrical and Interface Standards:
- RS232C (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)
- PCI Local Bus Specification 2.2 compliant
- Supports 3.3V and 5V signaling environments

Software and OS Compliance:
- Microsoft Windows certified drivers (95 through 7)
- Linux kernel module source (2.2–2.6)
- SCO OpenServer 5.0.x compatible
- DOS driver support for legacy systems

Regulatory Compliance:
- CE and FCC Class A (industrial environment)
- RoHS compliant (lead-free manufacturing)
- ISO 9001:2000 certified production facility

---

### 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)
- Driver updates and documentation available on [www.rayontech.com](http://www.rayontech.com)
- RMA (Return Material Authorization) procedure available for defective units.
- Repair service available for out-of-warranty products at a flat-rate charge.

Maintenance Recommendations:
- Ensure proper grounding and isolation when connecting external devices.
- Avoid hot-plugging IF308 boxes while the system is powered.
- Periodically check DIP switch settings and cable connections.
- Keep firmware and drivers updated for optimal performance.

Upgrade Path:
- The P640NU card can be upgraded to intelligent PCIIOP series cards (e.g., IOP3927F) for onboard CPU processing.
- Compatible with existing IF308 connector boxes, ensuring investment protection.

---

### Summary

The Rayon UP3024I is a robust, industrial-grade, 24-port isolated serial communication card designed for high-density, multi-protocol serial connectivity. Its universal PCI interface, ground isolation, and broad OS support make it ideal for industrial automation, data acquisition, and multi-terminal applications. With flexible configuration, single IRQ resource sharing, and comprehensive driver support, the UP3024I delivers a scalable and reliable solution for complex serial communication environments.

---

Keywords for Technical Search:
UP3024I, P640NU, IF308, A640 cable, 24-port PCI serial card, isolated RS232 RS422 RS485, universal PCI 3.3V 5V, Rayon Technology, industrial serial communication, multi-port PCI card, Linux serial driver, Windows multi-serial adapter, intelligent serial solution.