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- Four Independent RS232 Ports: Each port supports asynchronous serial communication with full modem control signals.
- 16550A-Compatible UARTs: Each channel includes a 16-byte transmit and receive FIFO buffer for efficient data handling and reduced CPU load.
- Plug & Play PCI Interface: Fully compliant with PCI Local Bus Specification Rev. 2.1; automatic resource allocation (I/O address, IRQ) by BIOS.
- Shared IRQ Support: Multiple PCI cards can share a single interrupt line, simplifying system integration.
- High-Speed Communication: Supports baud rates up to 115.2 kbps (1.8432 MHz crystal) or up to 921.6 kbps (14.7456 MHz crystal).
- Flexible Flow Control: Supports both hardware (RTS/CTS) and software (XON/XOFF) flow control.
- Comprehensive OS Support: Compatible with legacy and modern operating systems, including Windows 2000/XP/7, Linux, DOS, and SCO.
- Expandable System Design: Up to two P584 cards can be installed in a single system, providing up to eight serial ports.
- Universal PCI Compatibility: Operates in both 5 V and 3.3 V PCI slots (universal version P584U).
- Optional Isolation and Conversion: Compatible with the RS4232-4 isolation box for converting RS232 signals to isolated RS232/RS422/RS485 interfaces.
- Compact Form Factor: Designed for standard PCI slots with a small footprint suitable for industrial and embedded applications.
- 16550A-Compatible UARTs: Each channel includes a 16-byte transmit and receive FIFO buffer for efficient data handling and reduced CPU load.
- Plug & Play PCI Interface: Fully compliant with PCI Local Bus Specification Rev. 2.1; automatic resource allocation (I/O address, IRQ) by BIOS.
- Shared IRQ Support: Multiple PCI cards can share a single interrupt line, simplifying system integration.
- High-Speed Communication: Supports baud rates up to 115.2 kbps (1.8432 MHz crystal) or up to 921.6 kbps (14.7456 MHz crystal).
- Flexible Flow Control: Supports both hardware (RTS/CTS) and software (XON/XOFF) flow control.
- Comprehensive OS Support: Compatible with legacy and modern operating systems, including Windows 2000/XP/7, Linux, DOS, and SCO.
- Expandable System Design: Up to two P584 cards can be installed in a single system, providing up to eight serial ports.
- Universal PCI Compatibility: Operates in both 5 V and 3.3 V PCI slots (universal version P584U).
- Optional Isolation and Conversion: Compatible with the RS4232-4 isolation box for converting RS232 signals to isolated RS232/RS422/RS485 interfaces.
- Compact Form Factor: Designed for standard PCI slots with a small footprint suitable for industrial and embedded applications.
Comprehensive Product Summary – Rayon Technology P584 PCI 4-Port RS232 Card
### 1. Product Overview
Product Name: PCI 4-Port RS232 Card
Model: P584
Series: RAYON PCIPORT Series
Article Number: P584
Manufacturer: Rayon Technology Inc.
Manufacturer Locations:
- Headquarters: 2F, No. 177, Chung-Shan 2 Road, Lu-Chou City, Taipei Hsien, Taiwan, R.O.C.
- European Support: Acceed GmbH, Arnoldstraße 19, 40479 Düsseldorf, Germany
Product Description:
The Rayon P584 is an intelligent PCI-based 4-port serial communication controller card designed for PC/AT systems with a 5V or 3.3V 33 MHz PCI bus. It provides four independent RS232 serial ports, each fully compatible with the 16550A UART standard, supporting baud rates from 50 bps up to 115,200 bps. The card is plug-and-play compliant, automatically configured by the PCI BIOS, and supports multiple operating systems including DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO OpenServer.
### 2. Key Features
- Four Independent RS232 Ports: Each port supports asynchronous serial communication with full modem control signals.
- 16550A-Compatible UARTs: Each channel includes a 16-byte transmit and receive FIFO buffer for efficient data handling and reduced CPU load.
- Plug & Play PCI Interface: Fully compliant with PCI Local Bus Specification Rev. 2.1; automatic resource allocation (I/O address, IRQ) by BIOS.
- Shared IRQ Support: Multiple PCI cards can share a single interrupt line, simplifying system integration.
- High-Speed Communication: Supports baud rates up to 115.2 kbps (1.8432 MHz crystal) or up to 921.6 kbps (14.7456 MHz crystal).
- Flexible Flow Control: Supports both hardware (RTS/CTS) and software (XON/XOFF) flow control.
- Comprehensive OS Support: Compatible with legacy and modern operating systems, including Windows 2000/XP/7, Linux, DOS, and SCO.
- Expandable System Design: Up to two P584 cards can be installed in a single system, providing up to eight serial ports.
- Universal PCI Compatibility: Operates in both 5 V and 3.3 V PCI slots (universal version P584U).
- Optional Isolation and Conversion: Compatible with the RS4232-4 isolation box for converting RS232 signals to isolated RS232/RS422/RS485 interfaces.
- Compact Form Factor: Designed for standard PCI slots with a small footprint suitable for industrial and embedded applications.
### 3. Technical Specifications
Electrical & Interface Characteristics:
- Bus Interface: PCI Local Bus, 32-bit, 33 MHz, 5 V or 3.3 V signaling
- Controller: 16C550A-compatible UART with 16-byte FIFO
- Clock Frequency: 1.8432 MHz (standard), optional 14.7456 MHz for high-speed operation
- Communication Standard: RS232C
- Baud Rate Range: 50 bps to 115,200 bps (standard), up to 921,600 bps (optional crystal)
- Flow Control: RTS/CTS hardware or XON/XOFF software
- Interrupt Control: PCI BIOS-assigned, IRQ shareable
- I/O Mapping: Automatically assigned by PCI BIOS (Plug & Play)
- Maximum Cards per System: 2 (8 ports total)
Physical Characteristics:
- Dimensions: 122 mm × 99 mm (PCB size)
- Weight: Approx. 120 g (card only)
- Connector Type: DB37 female on card; expansion cable to 4 × DB9 male or 4 × DB25 male connectors
- Material: Multi-layer PCB with gold-plated edge connector
Environmental Requirements:
- Operating Temperature: 0 °C to 55 °C
- Storage Temperature: –20 °C to 85 °C
- Humidity: 5 % to 95 % non-condensing
- Power Requirements: 5 V DC from PCI bus (typical consumption < 500 mA)
### 4. Functionality
Operation Principle:
The P584 card provides four independent asynchronous serial communication channels. Each port uses a 16550A-compatible UART with FIFO buffering to minimize CPU interrupts. The card interfaces directly with the PCI bus through an ASIC controller that implements the PCI Local Bus Specification Rev. 2.1. All configuration parameters—such as I/O base address, memory mapping, and interrupt assignment—are automatically managed by the system BIOS, eliminating manual jumper or DIP switch configuration.
Use Cases and Applications:
- Industrial automation and control systems
- Data acquisition and instrumentation
- POS (Point-of-Sale) terminals and kiosks
- Serial device networking (modems, barcode scanners, PLCs)
- Embedded systems requiring multiple serial interfaces
- Communication servers and multi-user systems
Compatibility:
- Operating Systems: DOS, Windows 95/98/ME/NT/2000/XP/7, Linux, SCO OpenServer, QNX (via built-in driver `devc-ser8250`)
- Hardware Platforms: PC/AT-compatible systems with available PCI slot
- Software Drivers: Provided for all supported OS; plug-and-play detection under Windows and Linux
### 5. Components & Accessories
Included in Standard Package:
- One P584 PCI interface card
- One 37-pin expansion cable (DB37 female to 4 × DB9 male or 4 × DB25 male connectors)
- One A640 cable (DB37 male-to-female) for optional RS4232-4 isolation box connection
- User manual and driver diskette
Optional Accessories:
- RS4232-4 Isolation Box: Converts RS232 signals to isolated RS232/RS422/RS485; provides galvanic isolation and surge protection.
- A400 Cable: DB37 to 4 × DB25 male connectors for RS232 applications.
- P485 Cable: DB37 to 4 × DB9 male connectors for RS232/RS422/RS485.
- TB485 Converter: DB9 to 3-pin terminal block for RS485 wiring.
- RS4232-8 Box (for 8-port models): Not applicable to P584 but compatible with P588 series.
### 6. Installation & Setup
System Requirements:
- IBM PC/AT or compatible system with one available PCI slot
- 5 V or 3.3 V PCI bus (universal PCI supported)
- Supported operating system installed
Installation Procedure:
1. Power off the system and disconnect AC power.
2. Insert the P584 card into an available PCI slot.
3. Connect the 37-pin expansion cable to the card’s DB37 connector.
4. Attach the DB9 or DB25 connectors to external serial devices.
5. Power on the system; the PCI BIOS will automatically detect and configure the card.
6. Install the appropriate driver for your operating system.
Driver Installation:
- Windows 95/98/ME: Plug & Play detection; specify driver path `A:\WIN95`.
- Windows NT4: Manual installation via *Control Panel → Network → Add Adapter → Other*; specify `A:\P584\NT4`.
- Windows 2000/XP/7: Automatic detection; specify driver path `A:\WIN2000` or `CD:\UPCI_card\P584\WIN7_2000_XP_2003_Vista\Win32`.
- DOS: Run `PCIPORT.EXE` from the driver diskette.
- Linux: Copy driver source to `/etc/rayon`, run `./Install`, rebuild kernel modules.
- SCO OpenServer: Use `/etc/custom` or manual `tar` and `build` procedure.
- QNX: Use built-in `devc-ser8250` driver; configure I/O base and IRQ via `pci -v` command.
Jumper Configuration:
- JP1: Card number selection (ON = first card, OFF = second card).
This setting ensures consistent COM port numbering across multiple cards.
Caution:
Do not insert or remove the card while the system is powered on. Handle the card using anti-static precautions.
### 7. Performance & Capabilities
- Baud Rate: 50 bps to 115.2 kbps (standard), up to 921.6 kbps with optional crystal.
- FIFO Buffer: 16-byte transmit and receive per port.
- Interrupt Sharing: Supported; multiple cards can share a single IRQ.
- Maximum Cards per System: 2 (8 total ports).
- Data Integrity: Hardware and software flow control prevent data loss.
- Latency Reduction: FIFO buffering minimizes CPU interrupts, improving throughput.
- Isolation (optional): When used with RS4232-4 box, provides galvanic isolation and surge protection for industrial environments.
- Reliability: ASIC-based PCI controller ensures stable operation and compliance with PCI 2.1.
Limitations:
- RS232 interface only (no native RS422/RS485 without external converter).
- Requires available IRQ and I/O resources; some legacy systems may need manual BIOS adjustments.
- Maximum of two cards per system due to IRQ and resource constraints.
### 8. Standards & Compliance
- PCI Local Bus Specification: Revision 2.1 compliant
- UART Compatibility: 16550A standard
- Electrical Interface: RS232C (EIA/TIA-232)
- Operating System Drivers: Certified for Windows 95/98/ME/NT/2000/XP/7, Linux, SCO OpenServer
- Environmental Compliance: Designed for industrial temperature and humidity ranges
- EMC/ESD Protection: Meets standard PC peripheral requirements; optional isolation box provides enhanced surge protection
- RoHS Compliance: Applicable to later production batches (post-2006)
- Safety: Designed for use in grounded PC systems; static protection recommended during installation
### 9. Additional Information
Warranty:
- One-year limited warranty covering defects in materials and workmanship.
- Excludes damage from misuse, electrical surges, or unauthorized servicing.
- Out-of-warranty repairs available at a flat-rate service charge.
Support & Service Contacts:
- Rayon Technology Co., Ltd. (Taiwan):
- Tel: +886 2 8285 8362
- Fax: +886 2 8285 7065
- Email: [rayon@ms1.hinet.net](mailto:rayon@ms1.hinet.net)
- Acceed GmbH (Europe):
- Tel: +49 211 938898 0
- Email: [rayon@acceed.com](mailto:rayon@acceed.com)
- Web: [www.acceed.com/rayon](http://www.acceed.com/rayon)
Maintenance:
- Periodically inspect connectors and cables for wear or oxidation.
- Keep card contacts clean and free of dust.
- Use anti-static precautions during handling.
- Firmware and driver updates available via Rayon support.
Repair Procedure (RMA):
1. Contact Rayon support to obtain an RMA number.
2. Provide model number, serial number, purchase order, and fault description.
3. Return the product to the designated service center with RMA documentation.
Driver Updates:
- Latest drivers for Windows 7/XP/2000/Vista available on installation CD or via Rayon’s website.
- Linux source drivers provided for kernel integration; updates available upon request.
Product Lifecycle & Compatibility:
The P584 remains compatible with legacy PCI systems and continues to be supported for industrial and embedded applications requiring reliable multi-port serial communication.
### Summary
The Rayon P584 PCI 4-Port RS232 Card is a robust, industrial-grade communication interface designed to expand a PC’s serial connectivity. With four independent RS232 ports, 16550A-compatible UARTs, and full plug-and-play PCI compliance, it provides reliable, high-speed serial communication for a wide range of applications. Its universal PCI design ensures compatibility with both 5 V and 3.3 V systems, while optional accessories such as the RS4232-4 isolation box extend its functionality to isolated RS422/RS485 environments. Comprehensive driver support across multiple operating systems and straightforward installation make the P584 a versatile and dependable solution for industrial, commercial, and embedded serial communication needs.
### 1. Product Overview
Product Name: PCI 4-Port RS232 Card
Model: P584
Series: RAYON PCIPORT Series
Article Number: P584
Manufacturer: Rayon Technology Inc.
Manufacturer Locations:
- Headquarters: 2F, No. 177, Chung-Shan 2 Road, Lu-Chou City, Taipei Hsien, Taiwan, R.O.C.
- European Support: Acceed GmbH, Arnoldstraße 19, 40479 Düsseldorf, Germany
Product Description:
The Rayon P584 is an intelligent PCI-based 4-port serial communication controller card designed for PC/AT systems with a 5V or 3.3V 33 MHz PCI bus. It provides four independent RS232 serial ports, each fully compatible with the 16550A UART standard, supporting baud rates from 50 bps up to 115,200 bps. The card is plug-and-play compliant, automatically configured by the PCI BIOS, and supports multiple operating systems including DOS, Windows 95/98/ME/NT/2000/XP, Linux, and SCO OpenServer.
### 2. Key Features
- Four Independent RS232 Ports: Each port supports asynchronous serial communication with full modem control signals.
- 16550A-Compatible UARTs: Each channel includes a 16-byte transmit and receive FIFO buffer for efficient data handling and reduced CPU load.
- Plug & Play PCI Interface: Fully compliant with PCI Local Bus Specification Rev. 2.1; automatic resource allocation (I/O address, IRQ) by BIOS.
- Shared IRQ Support: Multiple PCI cards can share a single interrupt line, simplifying system integration.
- High-Speed Communication: Supports baud rates up to 115.2 kbps (1.8432 MHz crystal) or up to 921.6 kbps (14.7456 MHz crystal).
- Flexible Flow Control: Supports both hardware (RTS/CTS) and software (XON/XOFF) flow control.
- Comprehensive OS Support: Compatible with legacy and modern operating systems, including Windows 2000/XP/7, Linux, DOS, and SCO.
- Expandable System Design: Up to two P584 cards can be installed in a single system, providing up to eight serial ports.
- Universal PCI Compatibility: Operates in both 5 V and 3.3 V PCI slots (universal version P584U).
- Optional Isolation and Conversion: Compatible with the RS4232-4 isolation box for converting RS232 signals to isolated RS232/RS422/RS485 interfaces.
- Compact Form Factor: Designed for standard PCI slots with a small footprint suitable for industrial and embedded applications.
### 3. Technical Specifications
Electrical & Interface Characteristics:
- Bus Interface: PCI Local Bus, 32-bit, 33 MHz, 5 V or 3.3 V signaling
- Controller: 16C550A-compatible UART with 16-byte FIFO
- Clock Frequency: 1.8432 MHz (standard), optional 14.7456 MHz for high-speed operation
- Communication Standard: RS232C
- Baud Rate Range: 50 bps to 115,200 bps (standard), up to 921,600 bps (optional crystal)
- Flow Control: RTS/CTS hardware or XON/XOFF software
- Interrupt Control: PCI BIOS-assigned, IRQ shareable
- I/O Mapping: Automatically assigned by PCI BIOS (Plug & Play)
- Maximum Cards per System: 2 (8 ports total)
Physical Characteristics:
- Dimensions: 122 mm × 99 mm (PCB size)
- Weight: Approx. 120 g (card only)
- Connector Type: DB37 female on card; expansion cable to 4 × DB9 male or 4 × DB25 male connectors
- Material: Multi-layer PCB with gold-plated edge connector
Environmental Requirements:
- Operating Temperature: 0 °C to 55 °C
- Storage Temperature: –20 °C to 85 °C
- Humidity: 5 % to 95 % non-condensing
- Power Requirements: 5 V DC from PCI bus (typical consumption < 500 mA)
### 4. Functionality
Operation Principle:
The P584 card provides four independent asynchronous serial communication channels. Each port uses a 16550A-compatible UART with FIFO buffering to minimize CPU interrupts. The card interfaces directly with the PCI bus through an ASIC controller that implements the PCI Local Bus Specification Rev. 2.1. All configuration parameters—such as I/O base address, memory mapping, and interrupt assignment—are automatically managed by the system BIOS, eliminating manual jumper or DIP switch configuration.
Use Cases and Applications:
- Industrial automation and control systems
- Data acquisition and instrumentation
- POS (Point-of-Sale) terminals and kiosks
- Serial device networking (modems, barcode scanners, PLCs)
- Embedded systems requiring multiple serial interfaces
- Communication servers and multi-user systems
Compatibility:
- Operating Systems: DOS, Windows 95/98/ME/NT/2000/XP/7, Linux, SCO OpenServer, QNX (via built-in driver `devc-ser8250`)
- Hardware Platforms: PC/AT-compatible systems with available PCI slot
- Software Drivers: Provided for all supported OS; plug-and-play detection under Windows and Linux
### 5. Components & Accessories
Included in Standard Package:
- One P584 PCI interface card
- One 37-pin expansion cable (DB37 female to 4 × DB9 male or 4 × DB25 male connectors)
- One A640 cable (DB37 male-to-female) for optional RS4232-4 isolation box connection
- User manual and driver diskette
Optional Accessories:
- RS4232-4 Isolation Box: Converts RS232 signals to isolated RS232/RS422/RS485; provides galvanic isolation and surge protection.
- A400 Cable: DB37 to 4 × DB25 male connectors for RS232 applications.
- P485 Cable: DB37 to 4 × DB9 male connectors for RS232/RS422/RS485.
- TB485 Converter: DB9 to 3-pin terminal block for RS485 wiring.
- RS4232-8 Box (for 8-port models): Not applicable to P584 but compatible with P588 series.
### 6. Installation & Setup
System Requirements:
- IBM PC/AT or compatible system with one available PCI slot
- 5 V or 3.3 V PCI bus (universal PCI supported)
- Supported operating system installed
Installation Procedure:
1. Power off the system and disconnect AC power.
2. Insert the P584 card into an available PCI slot.
3. Connect the 37-pin expansion cable to the card’s DB37 connector.
4. Attach the DB9 or DB25 connectors to external serial devices.
5. Power on the system; the PCI BIOS will automatically detect and configure the card.
6. Install the appropriate driver for your operating system.
Driver Installation:
- Windows 95/98/ME: Plug & Play detection; specify driver path `A:\WIN95`.
- Windows NT4: Manual installation via *Control Panel → Network → Add Adapter → Other*; specify `A:\P584\NT4`.
- Windows 2000/XP/7: Automatic detection; specify driver path `A:\WIN2000` or `CD:\UPCI_card\P584\WIN7_2000_XP_2003_Vista\Win32`.
- DOS: Run `PCIPORT.EXE` from the driver diskette.
- Linux: Copy driver source to `/etc/rayon`, run `./Install`, rebuild kernel modules.
- SCO OpenServer: Use `/etc/custom` or manual `tar` and `build` procedure.
- QNX: Use built-in `devc-ser8250` driver; configure I/O base and IRQ via `pci -v` command.
Jumper Configuration:
- JP1: Card number selection (ON = first card, OFF = second card).
This setting ensures consistent COM port numbering across multiple cards.
Caution:
Do not insert or remove the card while the system is powered on. Handle the card using anti-static precautions.
### 7. Performance & Capabilities
- Baud Rate: 50 bps to 115.2 kbps (standard), up to 921.6 kbps with optional crystal.
- FIFO Buffer: 16-byte transmit and receive per port.
- Interrupt Sharing: Supported; multiple cards can share a single IRQ.
- Maximum Cards per System: 2 (8 total ports).
- Data Integrity: Hardware and software flow control prevent data loss.
- Latency Reduction: FIFO buffering minimizes CPU interrupts, improving throughput.
- Isolation (optional): When used with RS4232-4 box, provides galvanic isolation and surge protection for industrial environments.
- Reliability: ASIC-based PCI controller ensures stable operation and compliance with PCI 2.1.
Limitations:
- RS232 interface only (no native RS422/RS485 without external converter).
- Requires available IRQ and I/O resources; some legacy systems may need manual BIOS adjustments.
- Maximum of two cards per system due to IRQ and resource constraints.
### 8. Standards & Compliance
- PCI Local Bus Specification: Revision 2.1 compliant
- UART Compatibility: 16550A standard
- Electrical Interface: RS232C (EIA/TIA-232)
- Operating System Drivers: Certified for Windows 95/98/ME/NT/2000/XP/7, Linux, SCO OpenServer
- Environmental Compliance: Designed for industrial temperature and humidity ranges
- EMC/ESD Protection: Meets standard PC peripheral requirements; optional isolation box provides enhanced surge protection
- RoHS Compliance: Applicable to later production batches (post-2006)
- Safety: Designed for use in grounded PC systems; static protection recommended during installation
### 9. Additional Information
Warranty:
- One-year limited warranty covering defects in materials and workmanship.
- Excludes damage from misuse, electrical surges, or unauthorized servicing.
- Out-of-warranty repairs available at a flat-rate service charge.
Support & Service Contacts:
- Rayon Technology Co., Ltd. (Taiwan):
- Tel: +886 2 8285 8362
- Fax: +886 2 8285 7065
- Email: [rayon@ms1.hinet.net](mailto:rayon@ms1.hinet.net)
- Acceed GmbH (Europe):
- Tel: +49 211 938898 0
- Email: [rayon@acceed.com](mailto:rayon@acceed.com)
- Web: [www.acceed.com/rayon](http://www.acceed.com/rayon)
Maintenance:
- Periodically inspect connectors and cables for wear or oxidation.
- Keep card contacts clean and free of dust.
- Use anti-static precautions during handling.
- Firmware and driver updates available via Rayon support.
Repair Procedure (RMA):
1. Contact Rayon support to obtain an RMA number.
2. Provide model number, serial number, purchase order, and fault description.
3. Return the product to the designated service center with RMA documentation.
Driver Updates:
- Latest drivers for Windows 7/XP/2000/Vista available on installation CD or via Rayon’s website.
- Linux source drivers provided for kernel integration; updates available upon request.
Product Lifecycle & Compatibility:
The P584 remains compatible with legacy PCI systems and continues to be supported for industrial and embedded applications requiring reliable multi-port serial communication.
### Summary
The Rayon P584 PCI 4-Port RS232 Card is a robust, industrial-grade communication interface designed to expand a PC’s serial connectivity. With four independent RS232 ports, 16550A-compatible UARTs, and full plug-and-play PCI compliance, it provides reliable, high-speed serial communication for a wide range of applications. Its universal PCI design ensures compatibility with both 5 V and 3.3 V systems, while optional accessories such as the RS4232-4 isolation box extend its functionality to isolated RS422/RS485 environments. Comprehensive driver support across multiple operating systems and straightforward installation make the P584 a versatile and dependable solution for industrial, commercial, and embedded serial communication needs.
-
PCI-Port-015.pdf
Manual
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QNX use of Rayon Cards.pdf
Manual
