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- Universal PCI Interface: Supports both 3.3V and 5V PCI slots, ensuring compatibility with a wide range of motherboards and industrial PCs.
- Four Independent Serial Ports: Each port can be individually configured as RS232, RS422, or RS485, providing maximum flexibility for mixed communication environments.
- Intelligent Plug & Play Configuration: Fully compliant with PCI Plug & Play standards. The system automatically assigns IRQ and I/O mapping through the PCI BIOS, simplifying installation and configuration.
- High-Speed Communication: Each port supports baud rates from 50 bps to 115,200 bps, suitable for a wide range of serial devices and applications.
- 16550A-Compatible UARTs: Each port uses a 16550A-compatible UART with integrated FIFO buffers, ensuring stable data transmission and reduced CPU overhead.
- Auto Data Direction Control (RS485): Built-in automatic data direction control for RS485 mode eliminates the need for manual RTS signal handling, improving communication efficiency in half-duplex networks.
- Flexible Power Design: Operates using 5V power supply only, simplifying system integration and ensuring stable operation across all supported serial modes.
- Broad Operating System Support: Compatible with DOS, Windows 95/98/Me, Windows NT, Windows 2000/XP, Windows Vista/7 (32-bit), Linux, and SCO OpenServer.
- Compact Form Factor: Small PCB footprint (120 mm × 100 mm) suitable for space-constrained industrial systems.
- Industrial-Grade Reliability: Designed for continuous operation in environments with wide temperature and humidity ranges.
- Four Independent Serial Ports: Each port can be individually configured as RS232, RS422, or RS485, providing maximum flexibility for mixed communication environments.
- Intelligent Plug & Play Configuration: Fully compliant with PCI Plug & Play standards. The system automatically assigns IRQ and I/O mapping through the PCI BIOS, simplifying installation and configuration.
- High-Speed Communication: Each port supports baud rates from 50 bps to 115,200 bps, suitable for a wide range of serial devices and applications.
- 16550A-Compatible UARTs: Each port uses a 16550A-compatible UART with integrated FIFO buffers, ensuring stable data transmission and reduced CPU overhead.
- Auto Data Direction Control (RS485): Built-in automatic data direction control for RS485 mode eliminates the need for manual RTS signal handling, improving communication efficiency in half-duplex networks.
- Flexible Power Design: Operates using 5V power supply only, simplifying system integration and ensuring stable operation across all supported serial modes.
- Broad Operating System Support: Compatible with DOS, Windows 95/98/Me, Windows NT, Windows 2000/XP, Windows Vista/7 (32-bit), Linux, and SCO OpenServer.
- Compact Form Factor: Small PCB footprint (120 mm × 100 mm) suitable for space-constrained industrial systems.
- Industrial-Grade Reliability: Designed for continuous operation in environments with wide temperature and humidity ranges.
Comprehensive Product Summary – Rayon Technology P114U Universal PCI 4-Port Serial Communication Card
### 1. Product Overview
Product Name: P114U Universal PCI 4-Port Serial Communication Card
Model: P114U
Series: UPCI (Universal PCI Intelligent Serial Communication Series)
Article Number: P114U
Manufacturer: Rayon Technology Co., Ltd.
Product Type: Intelligent 4-port serial communication interface card for PCI bus systems
Product Category: Industrial communication interface / serial expansion card
The Rayon Technology P114U is a high-performance, intelligent 4-port serial communication card designed for universal PCI bus systems. It provides flexible, software-selectable serial interfaces supporting RS232, RS422, and RS485 communication standards. Each of the four ports can be configured independently, allowing mixed-mode operation across multiple serial protocols. The P114U is engineered for industrial, commercial, and embedded computing environments that require reliable multi-port serial connectivity with full compatibility across legacy and modern operating systems.
### 2. Key Features
- Universal PCI Interface: Supports both 3.3V and 5V PCI slots, ensuring compatibility with a wide range of motherboards and industrial PCs.
- Four Independent Serial Ports: Each port can be individually configured as RS232, RS422, or RS485, providing maximum flexibility for mixed communication environments.
- Intelligent Plug & Play Configuration: Fully compliant with PCI Plug & Play standards. The system automatically assigns IRQ and I/O mapping through the PCI BIOS, simplifying installation and configuration.
- High-Speed Communication: Each port supports baud rates from 50 bps to 115,200 bps, suitable for a wide range of serial devices and applications.
- 16550A-Compatible UARTs: Each port uses a 16550A-compatible UART with integrated FIFO buffers, ensuring stable data transmission and reduced CPU overhead.
- Auto Data Direction Control (RS485): Built-in automatic data direction control for RS485 mode eliminates the need for manual RTS signal handling, improving communication efficiency in half-duplex networks.
- Flexible Power Design: Operates using 5V power supply only, simplifying system integration and ensuring stable operation across all supported serial modes.
- Broad Operating System Support: Compatible with DOS, Windows 95/98/Me, Windows NT, Windows 2000/XP, Windows Vista/7 (32-bit), Linux, and SCO OpenServer.
- Compact Form Factor: Small PCB footprint (120 mm × 100 mm) suitable for space-constrained industrial systems.
- Industrial-Grade Reliability: Designed for continuous operation in environments with wide temperature and humidity ranges.
### 3. Technical Specifications
Physical Characteristics:
- Dimensions: 120 mm (L) × 100 mm (W)
- Weight: Approx. 100–150 g (typical, without cable)
- Material: Multi-layer PCB with industrial-grade components
- Form Factor: Standard PCI card
Electrical Characteristics:
- Bus Interface: Universal PCI (3.3V / 5V, 33 MHz)
- Power Requirement: 5V DC (single voltage operation)
- Controller Chipset: Broadcom PCI9030 PCI interface controller
- UART Type: 16550A-compatible UART with FIFO buffer
- Clock Frequency: 1.8432 MHz
Serial Port Configuration:
- Number of Ports: 4 independent serial ports
- Interface Standards: RS232 / RS422 / RS485 (software-selectable per port)
- Baud Rate Range: 50 bps to 115,200 bps
- Connector Type:
- DB25 male (via A400 cable)
- DB9 male (via P485 cable)
- Optional Accessory: TB485 (DB9 female to RS485 terminal block kit)
Environmental Conditions:
- Operating Temperature: 0°C to 55°C
- Storage Temperature: 0°C to 65°C
- Operating Humidity: 10% to 95% RH (non-condensing)
- Storage Humidity: 5% to 95% RH (non-condensing)
System Resources:
- I/O Mapping: One 32-byte and one 8-byte I/O range assigned by PCI BIOS
- IRQ Mapping: Single shared IRQ assigned by PCI BIOS
### 4. Functionality
The P114U functions as a universal serial communication interface card that expands a host system’s connectivity by providing four independent serial ports. Each port can be configured to operate in RS232, RS422, or RS485 mode, allowing the card to interface with a wide variety of serial devices such as industrial controllers, sensors, modems, barcode scanners, and data acquisition systems.
Operational Modes:
- RS232 Mode: Standard asynchronous serial communication for point-to-point connections.
- RS422 Mode: Differential signaling for long-distance, high-speed, full-duplex communication.
- RS485 Mode: Differential signaling for multi-drop, half-duplex communication networks, with automatic data direction control.
Use Cases and Applications:
- Industrial automation and process control
- Data acquisition and monitoring systems
- POS (Point of Sale) terminals and kiosks
- Embedded systems and industrial PCs
- Communication gateways and protocol converters
- Laboratory instrumentation and test equipment
Compatibility:
The card is compatible with a wide range of operating systems and supports both legacy and modern environments. It integrates seamlessly with standard serial communication software and drivers, ensuring broad interoperability.
### 5. Components & Accessories
Included Components:
- P114U PCI card (main board)
- External connector cable:
- DB37 female to 4 × DB9 male (standard configuration)
- DB37 female to 4 × DB25 male (available upon request)
- User documentation and driver support (depending on distribution package)
Optional Accessories:
- TB485: DB9 female to RS485 terminal block kit for direct wiring to RS485 networks.
- A400 Cable: DB37 to 4 × DB25 male connector cable.
- P485 Cable: DB37 to 4 × DB9 male connector cable.
Connectors and Interfaces:
- On-board DB37 connector for external breakout cable.
- Each port accessible via DB9 or DB25 connectors depending on cable type.
### 6. Installation & Setup
System Requirements:
- Available PCI slot (3.3V or 5V, 33 MHz)
- Compatible operating system (DOS, Windows, Linux, UNIX variants)
- Administrative privileges for driver installation
Installation Procedure:
1. Power off the host system and insert the P114U card into an available PCI slot.
2. Secure the card using the chassis screw to ensure proper grounding.
3. Connect the external DB37 cable to the card’s connector.
4. Attach the desired DB9 or DB25 connectors to the serial devices.
5. Power on the system; the PCI BIOS will automatically assign IRQ and I/O addresses.
6. Install the appropriate driver for the operating system.
7. Configure each port’s communication mode (RS232/RS422/RS485) as required.
Mounting Options:
- Standard PCI slot mounting within desktop or industrial PC chassis.
- Compatible with rackmount and embedded systems supporting PCI expansion.
Configuration:
- Fully Plug & Play compliant; no manual jumper or DIP switch settings required.
- Port mode selection and communication parameters configured via software utilities or driver settings.
### 7. Performance & Capabilities
Data Throughput:
- Supports baud rates from 50 bps up to 115,200 bps per port.
- Reliable data transfer with 16550A FIFO buffering to minimize data loss.
Processing Efficiency:
- Intelligent design offloads serial communication tasks from the CPU.
- Shared IRQ and efficient I/O mapping reduce system resource usage.
Capacity:
- Four independent serial channels per card.
- Multiple cards can be installed in a single system for expanded port capacity.
Signal Integrity:
- Differential signaling in RS422/RS485 modes ensures noise immunity and long-distance communication.
- Stable operation across industrial environments with high EMI/RFI exposure.
Limitations:
- Maximum baud rate limited to 115,200 bps (standard UART limitation).
- RS485 mode supports half-duplex communication only.
- Requires 5V power supply for operation (not suitable for 3.3V-only systems).
### 8. Standards & Compliance
Bus Interface Standards:
- PCI Local Bus Specification Revision 2.2 compliant
- Universal PCI (3.3V / 5V signaling)
Serial Communication Standards:
- RS232 (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)
Electrical and Safety Compliance:
- Designed to meet industrial-grade EMI/EMC standards (specific certifications may vary by region).
- RoHS-compliant manufacturing process (lead-free components).
Software and Driver Compliance:
- Compatible with standard serial communication APIs and driver models across supported operating systems.
Industry Standards:
- 16550A UART compatibility ensures interoperability with legacy serial software and hardware.
### 9. Additional Information
Manufacturer:
Rayon Technology Co., Ltd.
2F, No. 177, Chung Shan 2nd Rd., Lu Chou City, Taipei Hsien, Taiwan
Tel: +886-2-82858362
Fax: +886-2-82857065
Email: rayon@ms1.hinet.net
Websites:
- [http://www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)
- [http://www.rayontech.com](http://www.rayontech.com)
Warranty & Support:
- Standard manufacturer warranty (duration subject to regional policy).
- Technical support available via email and online resources.
- Driver updates and documentation downloadable from the manufacturer’s website.
Maintenance:
- No periodic maintenance required beyond standard system care.
- Ensure proper ventilation and avoid exposure to excessive humidity or temperature extremes.
- Firmware and driver updates recommended for optimal performance and compatibility.
Related Products (5V Power Supply Only Series):
| Model | RS232 Ports | RS422 Ports | RS485 Ports |
|--------|--------------|--------------|--------------|
| P5584U | 4 | 0 | 0 |
| P104UP | 4 | 0 | 0 |
| P134U | 0 | 4 | 4 |
| P114U | 4 | 4 | 4 |
These models provide varying combinations of serial interface types to suit different industrial communication requirements.
### Summary
The Rayon Technology P114U is a robust, intelligent, and flexible 4-port Universal PCI serial communication card designed for industrial and commercial applications requiring reliable multi-protocol serial connectivity. With support for RS232, RS422, and RS485 interfaces, each port can be independently configured to meet diverse communication needs. The card’s 16550A-compatible UARTs, auto data direction control, and Plug & Play PCI configuration ensure efficient, stable, and user-friendly operation.
Its universal PCI interface supports both 3.3V and 5V slots, making it compatible with a wide range of legacy and modern systems. The P114U’s broad OS compatibility, industrial-grade design, and comprehensive accessory options make it an ideal solution for system integrators, OEMs, and industrial automation professionals seeking a reliable and versatile serial communication platform.
End of Product Summary – Rayon Technology P114U Universal PCI 4-Port RS232/RS422/RS485 Selectable Board
### 1. Product Overview
Product Name: P114U Universal PCI 4-Port Serial Communication Card
Model: P114U
Series: UPCI (Universal PCI Intelligent Serial Communication Series)
Article Number: P114U
Manufacturer: Rayon Technology Co., Ltd.
Product Type: Intelligent 4-port serial communication interface card for PCI bus systems
Product Category: Industrial communication interface / serial expansion card
The Rayon Technology P114U is a high-performance, intelligent 4-port serial communication card designed for universal PCI bus systems. It provides flexible, software-selectable serial interfaces supporting RS232, RS422, and RS485 communication standards. Each of the four ports can be configured independently, allowing mixed-mode operation across multiple serial protocols. The P114U is engineered for industrial, commercial, and embedded computing environments that require reliable multi-port serial connectivity with full compatibility across legacy and modern operating systems.
### 2. Key Features
- Universal PCI Interface: Supports both 3.3V and 5V PCI slots, ensuring compatibility with a wide range of motherboards and industrial PCs.
- Four Independent Serial Ports: Each port can be individually configured as RS232, RS422, or RS485, providing maximum flexibility for mixed communication environments.
- Intelligent Plug & Play Configuration: Fully compliant with PCI Plug & Play standards. The system automatically assigns IRQ and I/O mapping through the PCI BIOS, simplifying installation and configuration.
- High-Speed Communication: Each port supports baud rates from 50 bps to 115,200 bps, suitable for a wide range of serial devices and applications.
- 16550A-Compatible UARTs: Each port uses a 16550A-compatible UART with integrated FIFO buffers, ensuring stable data transmission and reduced CPU overhead.
- Auto Data Direction Control (RS485): Built-in automatic data direction control for RS485 mode eliminates the need for manual RTS signal handling, improving communication efficiency in half-duplex networks.
- Flexible Power Design: Operates using 5V power supply only, simplifying system integration and ensuring stable operation across all supported serial modes.
- Broad Operating System Support: Compatible with DOS, Windows 95/98/Me, Windows NT, Windows 2000/XP, Windows Vista/7 (32-bit), Linux, and SCO OpenServer.
- Compact Form Factor: Small PCB footprint (120 mm × 100 mm) suitable for space-constrained industrial systems.
- Industrial-Grade Reliability: Designed for continuous operation in environments with wide temperature and humidity ranges.
### 3. Technical Specifications
Physical Characteristics:
- Dimensions: 120 mm (L) × 100 mm (W)
- Weight: Approx. 100–150 g (typical, without cable)
- Material: Multi-layer PCB with industrial-grade components
- Form Factor: Standard PCI card
Electrical Characteristics:
- Bus Interface: Universal PCI (3.3V / 5V, 33 MHz)
- Power Requirement: 5V DC (single voltage operation)
- Controller Chipset: Broadcom PCI9030 PCI interface controller
- UART Type: 16550A-compatible UART with FIFO buffer
- Clock Frequency: 1.8432 MHz
Serial Port Configuration:
- Number of Ports: 4 independent serial ports
- Interface Standards: RS232 / RS422 / RS485 (software-selectable per port)
- Baud Rate Range: 50 bps to 115,200 bps
- Connector Type:
- DB25 male (via A400 cable)
- DB9 male (via P485 cable)
- Optional Accessory: TB485 (DB9 female to RS485 terminal block kit)
Environmental Conditions:
- Operating Temperature: 0°C to 55°C
- Storage Temperature: 0°C to 65°C
- Operating Humidity: 10% to 95% RH (non-condensing)
- Storage Humidity: 5% to 95% RH (non-condensing)
System Resources:
- I/O Mapping: One 32-byte and one 8-byte I/O range assigned by PCI BIOS
- IRQ Mapping: Single shared IRQ assigned by PCI BIOS
### 4. Functionality
The P114U functions as a universal serial communication interface card that expands a host system’s connectivity by providing four independent serial ports. Each port can be configured to operate in RS232, RS422, or RS485 mode, allowing the card to interface with a wide variety of serial devices such as industrial controllers, sensors, modems, barcode scanners, and data acquisition systems.
Operational Modes:
- RS232 Mode: Standard asynchronous serial communication for point-to-point connections.
- RS422 Mode: Differential signaling for long-distance, high-speed, full-duplex communication.
- RS485 Mode: Differential signaling for multi-drop, half-duplex communication networks, with automatic data direction control.
Use Cases and Applications:
- Industrial automation and process control
- Data acquisition and monitoring systems
- POS (Point of Sale) terminals and kiosks
- Embedded systems and industrial PCs
- Communication gateways and protocol converters
- Laboratory instrumentation and test equipment
Compatibility:
The card is compatible with a wide range of operating systems and supports both legacy and modern environments. It integrates seamlessly with standard serial communication software and drivers, ensuring broad interoperability.
### 5. Components & Accessories
Included Components:
- P114U PCI card (main board)
- External connector cable:
- DB37 female to 4 × DB9 male (standard configuration)
- DB37 female to 4 × DB25 male (available upon request)
- User documentation and driver support (depending on distribution package)
Optional Accessories:
- TB485: DB9 female to RS485 terminal block kit for direct wiring to RS485 networks.
- A400 Cable: DB37 to 4 × DB25 male connector cable.
- P485 Cable: DB37 to 4 × DB9 male connector cable.
Connectors and Interfaces:
- On-board DB37 connector for external breakout cable.
- Each port accessible via DB9 or DB25 connectors depending on cable type.
### 6. Installation & Setup
System Requirements:
- Available PCI slot (3.3V or 5V, 33 MHz)
- Compatible operating system (DOS, Windows, Linux, UNIX variants)
- Administrative privileges for driver installation
Installation Procedure:
1. Power off the host system and insert the P114U card into an available PCI slot.
2. Secure the card using the chassis screw to ensure proper grounding.
3. Connect the external DB37 cable to the card’s connector.
4. Attach the desired DB9 or DB25 connectors to the serial devices.
5. Power on the system; the PCI BIOS will automatically assign IRQ and I/O addresses.
6. Install the appropriate driver for the operating system.
7. Configure each port’s communication mode (RS232/RS422/RS485) as required.
Mounting Options:
- Standard PCI slot mounting within desktop or industrial PC chassis.
- Compatible with rackmount and embedded systems supporting PCI expansion.
Configuration:
- Fully Plug & Play compliant; no manual jumper or DIP switch settings required.
- Port mode selection and communication parameters configured via software utilities or driver settings.
### 7. Performance & Capabilities
Data Throughput:
- Supports baud rates from 50 bps up to 115,200 bps per port.
- Reliable data transfer with 16550A FIFO buffering to minimize data loss.
Processing Efficiency:
- Intelligent design offloads serial communication tasks from the CPU.
- Shared IRQ and efficient I/O mapping reduce system resource usage.
Capacity:
- Four independent serial channels per card.
- Multiple cards can be installed in a single system for expanded port capacity.
Signal Integrity:
- Differential signaling in RS422/RS485 modes ensures noise immunity and long-distance communication.
- Stable operation across industrial environments with high EMI/RFI exposure.
Limitations:
- Maximum baud rate limited to 115,200 bps (standard UART limitation).
- RS485 mode supports half-duplex communication only.
- Requires 5V power supply for operation (not suitable for 3.3V-only systems).
### 8. Standards & Compliance
Bus Interface Standards:
- PCI Local Bus Specification Revision 2.2 compliant
- Universal PCI (3.3V / 5V signaling)
Serial Communication Standards:
- RS232 (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)
Electrical and Safety Compliance:
- Designed to meet industrial-grade EMI/EMC standards (specific certifications may vary by region).
- RoHS-compliant manufacturing process (lead-free components).
Software and Driver Compliance:
- Compatible with standard serial communication APIs and driver models across supported operating systems.
Industry Standards:
- 16550A UART compatibility ensures interoperability with legacy serial software and hardware.
### 9. Additional Information
Manufacturer:
Rayon Technology Co., Ltd.
2F, No. 177, Chung Shan 2nd Rd., Lu Chou City, Taipei Hsien, Taiwan
Tel: +886-2-82858362
Fax: +886-2-82857065
Email: rayon@ms1.hinet.net
Websites:
- [http://www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)
- [http://www.rayontech.com](http://www.rayontech.com)
Warranty & Support:
- Standard manufacturer warranty (duration subject to regional policy).
- Technical support available via email and online resources.
- Driver updates and documentation downloadable from the manufacturer’s website.
Maintenance:
- No periodic maintenance required beyond standard system care.
- Ensure proper ventilation and avoid exposure to excessive humidity or temperature extremes.
- Firmware and driver updates recommended for optimal performance and compatibility.
Related Products (5V Power Supply Only Series):
| Model | RS232 Ports | RS422 Ports | RS485 Ports |
|--------|--------------|--------------|--------------|
| P5584U | 4 | 0 | 0 |
| P104UP | 4 | 0 | 0 |
| P134U | 0 | 4 | 4 |
| P114U | 4 | 4 | 4 |
These models provide varying combinations of serial interface types to suit different industrial communication requirements.
### Summary
The Rayon Technology P114U is a robust, intelligent, and flexible 4-port Universal PCI serial communication card designed for industrial and commercial applications requiring reliable multi-protocol serial connectivity. With support for RS232, RS422, and RS485 interfaces, each port can be independently configured to meet diverse communication needs. The card’s 16550A-compatible UARTs, auto data direction control, and Plug & Play PCI configuration ensure efficient, stable, and user-friendly operation.
Its universal PCI interface supports both 3.3V and 5V slots, making it compatible with a wide range of legacy and modern systems. The P114U’s broad OS compatibility, industrial-grade design, and comprehensive accessory options make it an ideal solution for system integrators, OEMs, and industrial automation professionals seeking a reliable and versatile serial communication platform.
End of Product Summary – Rayon Technology P114U Universal PCI 4-Port RS232/RS422/RS485 Selectable Board
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P114U_Catalog.pdf
PDF Catalog
