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- Four Independent RS232 Ports: Provides four fully functional RS232 serial channels through RJ45 connectors, enabling simultaneous multi-device communication.
- PCI Plug & Play Interface: Fully compliant with PCI Local Bus Specification Rev. 2.1, supporting automatic resource allocation (I/O address and IRQ) by the system BIOS.
- Intelligent Serial Controller: Incorporates a 16C550A-compatible UART with 16-byte transmit and receive FIFOs, reducing CPU load and improving throughput.
- High-Speed Communication: Supports baud rates up to 115.2 Kbps with a 1.8432 MHz crystal or up to 921.6 Kbps with a 14.7456 MHz crystal.
- Flexible Flow Control: Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control.
- Universal PCI Compatibility: Operates in both 5V and 3.3V PCI slots, ensuring compatibility with a wide range of PC architectures.
- Multi-OS Driver Support: Compatible with Windows 95/98/Me, Windows NT, Windows 2000/XP, DOS, Linux, and SCO OpenServer.
- Expandable and Configurable: Supports multiple card installations (up to two per system) with jumper-based card numbering for consistent COM port assignment.
- Industrial-Grade Reliability: Designed for continuous operation in industrial environments with robust electrical design and optional isolation via external RS4232 converter boxes.
- RJ45 Connectivity: Compact RJ45 connectors simplify cabling and integration in structured wiring environments.
- PCI Plug & Play Interface: Fully compliant with PCI Local Bus Specification Rev. 2.1, supporting automatic resource allocation (I/O address and IRQ) by the system BIOS.
- Intelligent Serial Controller: Incorporates a 16C550A-compatible UART with 16-byte transmit and receive FIFOs, reducing CPU load and improving throughput.
- High-Speed Communication: Supports baud rates up to 115.2 Kbps with a 1.8432 MHz crystal or up to 921.6 Kbps with a 14.7456 MHz crystal.
- Flexible Flow Control: Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control.
- Universal PCI Compatibility: Operates in both 5V and 3.3V PCI slots, ensuring compatibility with a wide range of PC architectures.
- Multi-OS Driver Support: Compatible with Windows 95/98/Me, Windows NT, Windows 2000/XP, DOS, Linux, and SCO OpenServer.
- Expandable and Configurable: Supports multiple card installations (up to two per system) with jumper-based card numbering for consistent COM port assignment.
- Industrial-Grade Reliability: Designed for continuous operation in industrial environments with robust electrical design and optional isolation via external RS4232 converter boxes.
- RJ45 Connectivity: Compact RJ45 connectors simplify cabling and integration in structured wiring environments.
Comprehensive Product Summary – Rayon Technology RJ584 PCI 4-Port RS232 RJ45 Card
### 1. Product Overview
Product Name: RJ584 PCI 4-Port RS232 RJ45 Card
Model Number: RJ584
Series: RAYON PCIPORT Series
Article Number: RJ584
Manufacturer: Rayon Technology Inc.
Manufacturer Address:
2F, No. 177, Chung-Shan 2 Road, Lu-Chou City, Taipei Hsien, Taiwan R.O.C.
European Support Partner: Acceed GmbH, Arnoldstraße 19, 40479 Düsseldorf, Germany
Support Contacts:
- Taiwan: rayon@ms1.hinet.net
- Europe: rayon@acceed.com
Website: [www.acceed.com/rayon](http://www.acceed.com/rayon)
The RJ584 is a PCI-based intelligent serial communication card designed to provide four independent RS232 serial ports via RJ45 connectors. It belongs to Rayon’s PCIPORT family of multi-port serial interface cards, engineered for high-performance, low-interrupt serial communication in industrial, automation, and data acquisition systems.
### 2. Key Features
- Four Independent RS232 Ports: Provides four fully functional RS232 serial channels through RJ45 connectors, enabling simultaneous multi-device communication.
- PCI Plug & Play Interface: Fully compliant with PCI Local Bus Specification Rev. 2.1, supporting automatic resource allocation (I/O address and IRQ) by the system BIOS.
- Intelligent Serial Controller: Incorporates a 16C550A-compatible UART with 16-byte transmit and receive FIFOs, reducing CPU load and improving throughput.
- High-Speed Communication: Supports baud rates up to 115.2 Kbps with a 1.8432 MHz crystal or up to 921.6 Kbps with a 14.7456 MHz crystal.
- Flexible Flow Control: Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control.
- Universal PCI Compatibility: Operates in both 5V and 3.3V PCI slots, ensuring compatibility with a wide range of PC architectures.
- Multi-OS Driver Support: Compatible with Windows 95/98/Me, Windows NT, Windows 2000/XP, DOS, Linux, and SCO OpenServer.
- Expandable and Configurable: Supports multiple card installations (up to two per system) with jumper-based card numbering for consistent COM port assignment.
- Industrial-Grade Reliability: Designed for continuous operation in industrial environments with robust electrical design and optional isolation via external RS4232 converter boxes.
- RJ45 Connectivity: Compact RJ45 connectors simplify cabling and integration in structured wiring environments.
### 3. Technical Specifications
Bus Interface:
- PCI Local Bus Specification Rev. 2.1 compliant
- 33 MHz PCI clock
- 32-bit data bus
- Supports both 5V and 3.3V signaling (Universal PCI)
Serial Communication Controller:
- 16C550A compatible UART
- 16-byte transmit and receive FIFOs
- Clock frequency: 1.8432 MHz (standard), optional 14.7456 MHz for high-speed operation
Ports and Connectors:
- 4 × RS232 serial ports via RJ45 connectors
- RJ45 pin assignment (RS232 mode):
1 – TXD (Transmit Data)
2 – RXD (Receive Data)
3 – RTS (Request to Send)
4 – CTS (Clear to Send)
5 – DSR (Data Set Ready)
6 – GND (Signal Ground)
7 – DTR (Data Terminal Ready)
8 – DCD (Data Carrier Detect)
Baud Rate:
- Up to 115.2 Kbps (1.8432 MHz)
- Up to 921.6 Kbps (14.7456 MHz)
Flow Control:
- Hardware: RTS/CTS
- Software: Xon/Xoff
Interrupt Control:
- Plug & Play IRQ assignment by PCI BIOS
- IRQ sharing supported
I/O Mapping:
- Automatically assigned by PCI BIOS
- Fully Plug & Play configurable
Electrical & Environmental:
- Operating voltage: 5V or 3.3V PCI slot
- Operating temperature: 0°C to 55°C (typical)
- Storage temperature: -20°C to 85°C
- Relative humidity: 5%–95% non-condensing
Physical Dimensions:
- Standard PCI half-length card (approx. 120 mm × 100 mm × 20 mm)
- Weight: ~120 g (card only)
Materials:
- Multi-layer PCB with gold-plated PCI edge connector
- High-quality RJ45 connectors with nickel-plated shielding
### 4. Functionality
The RJ584 card functions as a multi-port serial communication interface for PCs equipped with PCI slots. Each of the four ports operates independently, allowing simultaneous data transmission and reception across multiple RS232 devices such as modems, barcode scanners, PLCs, and industrial controllers.
Operation Principle:
The onboard 16C550A UART manages serial data buffering, reducing CPU interrupts by handling multiple bytes per interrupt. This design enhances system performance, particularly in multitasking environments.
Use Cases and Applications:
- Industrial automation and control systems
- Data acquisition and instrumentation
- POS (Point-of-Sale) terminals
- Networking and communication gateways
- Serial device servers and console management
- Laboratory and test equipment interfacing
Compatibility:
- Compatible with standard RS232 devices
- Supports RJ45-to-DB9 or RJ45-to-DB25 adapter cables
- Works with Rayon’s RS4232-4 isolation box for galvanic isolation and RS422/RS485 conversion
### 5. Components & Accessories
Included Items:
- RJ584 PCI interface card
- User manual and driver diskette
- Optional RJ45-to-DB9 or RJ45-to-DB25 adapter cables
Optional Accessories:
- RS4232-4 Box: Converts RS232 signals to isolated RS232/RS422/RS485 interfaces (4-port model)
- RS4232-8 Box: 8-port isolated converter for use with 8-port cards
- Cables:
- A400 (DB37 to 4 × DB25)
- P485 (DB37 to 4 × DB9)
- A640 (DB37 to DB37 extension cable)
- TB485 Converter: DB9 to 3-pin terminal block for RS485 wiring
Connectors:
- RJ45 female connectors on the card
- Optional breakout cables for DB9/DB25 compatibility
### 6. Installation & Setup
System Requirements:
- IBM PC/AT compatible system with available PCI slot
- 5V or 3.3V PCI bus
- Supported operating system (Windows, DOS, Linux, SCO)
Installation Steps:
1. Power off the PC and unplug it.
2. Insert the RJ584 card into an available PCI slot.
3. Secure the card and connect the RJ45 cables or adapters.
4. Power on the system.
5. The BIOS automatically assigns I/O and IRQ resources.
6. Install the appropriate driver for your operating system.
Driver Installation:
- Windows 2000/XP: Automatic Plug & Play detection; specify driver path (A:\WIN2000).
- Windows NT4: Manual installation via Control Panel → Network → Add Adapter → “Other” → specify A:\P584\NT4.
- Windows 95/98/Me: Plug & Play detection; specify A:\WIN95.
- DOS: Copy driver files to C:\RAYON and run `PCIPORT`.
- Linux: Copy driver source to `/etc/rayon`, run `./Install`, rebuild kernel modules.
- SCO OpenServer: Use `/etc/custom` or manual `tar` and `build` commands.
Jumper Configuration:
- JP1: Card number selection
- ON = First card
- OFF = Second card
This ensures consistent COM port numbering across multiple cards.
Mounting Options:
- Standard PCI bracket for internal installation
- RJ45 ports accessible from the rear panel
### 7. Performance & Capabilities
Data Throughput:
- Up to 921.6 Kbps per port (with high-speed crystal)
- 16-byte FIFO buffers minimize CPU overhead
Capacity:
- Four independent serial channels per card
- Up to two cards per system (8 total ports)
Efficiency:
- Intelligent buffering reduces interrupt frequency
- Supports IRQ sharing for optimized resource usage
Limitations:
- RS232-only interface (no native RS422/RS485 without external converter)
- No galvanic isolation on the base card (requires RS4232 box for isolation)
- Limited to two cards per system for stable operation
### 8. Standards & Compliance
Bus Standard:
- PCI Local Bus Specification Revision 2.1
Serial Communication Standards:
- EIA/TIA RS232C compliant
- Optional RS422/RS485 via external converter
Electrical Compliance:
- CE and FCC Class B (typical for Rayon PCIPORT series)
- RoHS-compliant materials (lead-free PCB and connectors)
Software & Driver Standards:
- Microsoft WHQL-compatible drivers for Windows
- Linux kernel module source provided for open-source integration
- SCO OpenServer certified driver package
Industry Standards Supported:
- UART 16C550A compatibility
- Plug & Play resource management
- IRQ sharing per PCI specification
### 9. Additional Information
Warranty:
- One-year limited warranty covering defects in materials and workmanship
- Excludes damage from misuse, electrical surges, or unauthorized servicing
Repair & RMA Procedure:
- Obtain RMA number from Rayon or Acceed support
- Provide model number, serial number, and failure description
- Products under warranty repaired free of charge; out-of-warranty repairs subject to flat-rate service fee
Maintenance:
- Keep card free from dust and static discharge
- Use anti-static precautions during handling
- Periodically verify cable connections and port functionality
Technical Support:
- Email support available for all regions
- Linux driver support via rayon@acceed.com or rayon@ms1.hinet.net
- Troubleshooting utilities (e.g., RAYONTTY.EXE) provided for DOS/Windows testing
Software Updates:
- Updated drivers and documentation available from Rayon’s support website
- Source-level Linux drivers provided for kernel integration
Documentation:
- Comprehensive user manual (Rev. 1.00, October 19, 2003)
- Appendices include pin assignments, DIP switch settings, and troubleshooting guides
### Summary
The Rayon RJ584 PCI 4-Port RS232 RJ45 Card is a robust, industrial-grade serial communication interface designed for high-performance multi-port applications. It integrates four RS232 channels into a single PCI card, offering reliable connectivity for legacy and industrial serial devices. With intelligent buffering, universal PCI compatibility, and broad OS driver support, the RJ584 provides a cost-effective and scalable solution for expanding serial communication capabilities in modern PC-based systems.
Its modular RJ45 interface simplifies cabling in structured environments, while optional accessories such as the RS4232-4 isolation box extend its functionality to RS422/RS485 and isolated communication. The RJ584 exemplifies Rayon Technology’s commitment to connectivity, reliability, and cross-platform support in industrial communication hardware.
### 1. Product Overview
Product Name: RJ584 PCI 4-Port RS232 RJ45 Card
Model Number: RJ584
Series: RAYON PCIPORT Series
Article Number: RJ584
Manufacturer: Rayon Technology Inc.
Manufacturer Address:
2F, No. 177, Chung-Shan 2 Road, Lu-Chou City, Taipei Hsien, Taiwan R.O.C.
European Support Partner: Acceed GmbH, Arnoldstraße 19, 40479 Düsseldorf, Germany
Support Contacts:
- Taiwan: rayon@ms1.hinet.net
- Europe: rayon@acceed.com
Website: [www.acceed.com/rayon](http://www.acceed.com/rayon)
The RJ584 is a PCI-based intelligent serial communication card designed to provide four independent RS232 serial ports via RJ45 connectors. It belongs to Rayon’s PCIPORT family of multi-port serial interface cards, engineered for high-performance, low-interrupt serial communication in industrial, automation, and data acquisition systems.
### 2. Key Features
- Four Independent RS232 Ports: Provides four fully functional RS232 serial channels through RJ45 connectors, enabling simultaneous multi-device communication.
- PCI Plug & Play Interface: Fully compliant with PCI Local Bus Specification Rev. 2.1, supporting automatic resource allocation (I/O address and IRQ) by the system BIOS.
- Intelligent Serial Controller: Incorporates a 16C550A-compatible UART with 16-byte transmit and receive FIFOs, reducing CPU load and improving throughput.
- High-Speed Communication: Supports baud rates up to 115.2 Kbps with a 1.8432 MHz crystal or up to 921.6 Kbps with a 14.7456 MHz crystal.
- Flexible Flow Control: Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control.
- Universal PCI Compatibility: Operates in both 5V and 3.3V PCI slots, ensuring compatibility with a wide range of PC architectures.
- Multi-OS Driver Support: Compatible with Windows 95/98/Me, Windows NT, Windows 2000/XP, DOS, Linux, and SCO OpenServer.
- Expandable and Configurable: Supports multiple card installations (up to two per system) with jumper-based card numbering for consistent COM port assignment.
- Industrial-Grade Reliability: Designed for continuous operation in industrial environments with robust electrical design and optional isolation via external RS4232 converter boxes.
- RJ45 Connectivity: Compact RJ45 connectors simplify cabling and integration in structured wiring environments.
### 3. Technical Specifications
Bus Interface:
- PCI Local Bus Specification Rev. 2.1 compliant
- 33 MHz PCI clock
- 32-bit data bus
- Supports both 5V and 3.3V signaling (Universal PCI)
Serial Communication Controller:
- 16C550A compatible UART
- 16-byte transmit and receive FIFOs
- Clock frequency: 1.8432 MHz (standard), optional 14.7456 MHz for high-speed operation
Ports and Connectors:
- 4 × RS232 serial ports via RJ45 connectors
- RJ45 pin assignment (RS232 mode):
1 – TXD (Transmit Data)
2 – RXD (Receive Data)
3 – RTS (Request to Send)
4 – CTS (Clear to Send)
5 – DSR (Data Set Ready)
6 – GND (Signal Ground)
7 – DTR (Data Terminal Ready)
8 – DCD (Data Carrier Detect)
Baud Rate:
- Up to 115.2 Kbps (1.8432 MHz)
- Up to 921.6 Kbps (14.7456 MHz)
Flow Control:
- Hardware: RTS/CTS
- Software: Xon/Xoff
Interrupt Control:
- Plug & Play IRQ assignment by PCI BIOS
- IRQ sharing supported
I/O Mapping:
- Automatically assigned by PCI BIOS
- Fully Plug & Play configurable
Electrical & Environmental:
- Operating voltage: 5V or 3.3V PCI slot
- Operating temperature: 0°C to 55°C (typical)
- Storage temperature: -20°C to 85°C
- Relative humidity: 5%–95% non-condensing
Physical Dimensions:
- Standard PCI half-length card (approx. 120 mm × 100 mm × 20 mm)
- Weight: ~120 g (card only)
Materials:
- Multi-layer PCB with gold-plated PCI edge connector
- High-quality RJ45 connectors with nickel-plated shielding
### 4. Functionality
The RJ584 card functions as a multi-port serial communication interface for PCs equipped with PCI slots. Each of the four ports operates independently, allowing simultaneous data transmission and reception across multiple RS232 devices such as modems, barcode scanners, PLCs, and industrial controllers.
Operation Principle:
The onboard 16C550A UART manages serial data buffering, reducing CPU interrupts by handling multiple bytes per interrupt. This design enhances system performance, particularly in multitasking environments.
Use Cases and Applications:
- Industrial automation and control systems
- Data acquisition and instrumentation
- POS (Point-of-Sale) terminals
- Networking and communication gateways
- Serial device servers and console management
- Laboratory and test equipment interfacing
Compatibility:
- Compatible with standard RS232 devices
- Supports RJ45-to-DB9 or RJ45-to-DB25 adapter cables
- Works with Rayon’s RS4232-4 isolation box for galvanic isolation and RS422/RS485 conversion
### 5. Components & Accessories
Included Items:
- RJ584 PCI interface card
- User manual and driver diskette
- Optional RJ45-to-DB9 or RJ45-to-DB25 adapter cables
Optional Accessories:
- RS4232-4 Box: Converts RS232 signals to isolated RS232/RS422/RS485 interfaces (4-port model)
- RS4232-8 Box: 8-port isolated converter for use with 8-port cards
- Cables:
- A400 (DB37 to 4 × DB25)
- P485 (DB37 to 4 × DB9)
- A640 (DB37 to DB37 extension cable)
- TB485 Converter: DB9 to 3-pin terminal block for RS485 wiring
Connectors:
- RJ45 female connectors on the card
- Optional breakout cables for DB9/DB25 compatibility
### 6. Installation & Setup
System Requirements:
- IBM PC/AT compatible system with available PCI slot
- 5V or 3.3V PCI bus
- Supported operating system (Windows, DOS, Linux, SCO)
Installation Steps:
1. Power off the PC and unplug it.
2. Insert the RJ584 card into an available PCI slot.
3. Secure the card and connect the RJ45 cables or adapters.
4. Power on the system.
5. The BIOS automatically assigns I/O and IRQ resources.
6. Install the appropriate driver for your operating system.
Driver Installation:
- Windows 2000/XP: Automatic Plug & Play detection; specify driver path (A:\WIN2000).
- Windows NT4: Manual installation via Control Panel → Network → Add Adapter → “Other” → specify A:\P584\NT4.
- Windows 95/98/Me: Plug & Play detection; specify A:\WIN95.
- DOS: Copy driver files to C:\RAYON and run `PCIPORT`.
- Linux: Copy driver source to `/etc/rayon`, run `./Install`, rebuild kernel modules.
- SCO OpenServer: Use `/etc/custom` or manual `tar` and `build` commands.
Jumper Configuration:
- JP1: Card number selection
- ON = First card
- OFF = Second card
This ensures consistent COM port numbering across multiple cards.
Mounting Options:
- Standard PCI bracket for internal installation
- RJ45 ports accessible from the rear panel
### 7. Performance & Capabilities
Data Throughput:
- Up to 921.6 Kbps per port (with high-speed crystal)
- 16-byte FIFO buffers minimize CPU overhead
Capacity:
- Four independent serial channels per card
- Up to two cards per system (8 total ports)
Efficiency:
- Intelligent buffering reduces interrupt frequency
- Supports IRQ sharing for optimized resource usage
Limitations:
- RS232-only interface (no native RS422/RS485 without external converter)
- No galvanic isolation on the base card (requires RS4232 box for isolation)
- Limited to two cards per system for stable operation
### 8. Standards & Compliance
Bus Standard:
- PCI Local Bus Specification Revision 2.1
Serial Communication Standards:
- EIA/TIA RS232C compliant
- Optional RS422/RS485 via external converter
Electrical Compliance:
- CE and FCC Class B (typical for Rayon PCIPORT series)
- RoHS-compliant materials (lead-free PCB and connectors)
Software & Driver Standards:
- Microsoft WHQL-compatible drivers for Windows
- Linux kernel module source provided for open-source integration
- SCO OpenServer certified driver package
Industry Standards Supported:
- UART 16C550A compatibility
- Plug & Play resource management
- IRQ sharing per PCI specification
### 9. Additional Information
Warranty:
- One-year limited warranty covering defects in materials and workmanship
- Excludes damage from misuse, electrical surges, or unauthorized servicing
Repair & RMA Procedure:
- Obtain RMA number from Rayon or Acceed support
- Provide model number, serial number, and failure description
- Products under warranty repaired free of charge; out-of-warranty repairs subject to flat-rate service fee
Maintenance:
- Keep card free from dust and static discharge
- Use anti-static precautions during handling
- Periodically verify cable connections and port functionality
Technical Support:
- Email support available for all regions
- Linux driver support via rayon@acceed.com or rayon@ms1.hinet.net
- Troubleshooting utilities (e.g., RAYONTTY.EXE) provided for DOS/Windows testing
Software Updates:
- Updated drivers and documentation available from Rayon’s support website
- Source-level Linux drivers provided for kernel integration
Documentation:
- Comprehensive user manual (Rev. 1.00, October 19, 2003)
- Appendices include pin assignments, DIP switch settings, and troubleshooting guides
### Summary
The Rayon RJ584 PCI 4-Port RS232 RJ45 Card is a robust, industrial-grade serial communication interface designed for high-performance multi-port applications. It integrates four RS232 channels into a single PCI card, offering reliable connectivity for legacy and industrial serial devices. With intelligent buffering, universal PCI compatibility, and broad OS driver support, the RJ584 provides a cost-effective and scalable solution for expanding serial communication capabilities in modern PC-based systems.
Its modular RJ45 interface simplifies cabling in structured environments, while optional accessories such as the RS4232-4 isolation box extend its functionality to RS422/RS485 and isolated communication. The RJ584 exemplifies Rayon Technology’s commitment to connectivity, reliability, and cross-platform support in industrial communication hardware.
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PCI-Port-015.pdf
Manual
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