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P5688U

UPCI 8-port 6*RS232/422 2*RS232/485 5V only Card
  • Hersteller Rayon
  • Kategorie: 8-Port 5V Single Mixed
  • The Rayon P5688U is a high-performance Universal PCI (UPCI) serial communication card designed for industrial and commercial applications requiring multiple serial interfaces. It provides eight independent serial ports configurable as RS232, RS422, or RS485, supporting both full-duplex and half-duplex communication modes. The card is engineered for 5V PCI bus systems and offers automatic Plug & Play configuration through the PCI BIOS.
- Eight Independent Serial Ports:
Six ports (A–F) selectable between RS232 and RS422; two ports (G–H) selectable between RS232 and RS485.
- Flexible Interface Configuration:
Each port can be independently configured for the desired serial standard, enabling mixed-mode operation.
- Auto Data Direction Control:
Built-in automatic data direction control for RS485 communication eliminates the need for manual RTS signal handling.
- Universal PCI Compatibility:
Supports both 5V and 3.3V PCI slots (33 MHz), ensuring compatibility with a wide range of PC architectures.
- Plug & Play Resource Allocation:
IRQ and I/O address mapping automatically assigned by PCI BIOS; supports shared IRQ operation.
- High-Speed Communication:
Programmable baud rates from 50 bps up to 115,200 bps (standard 1.8432 MHz clock).
- 16550A-Compatible UARTs:
Each port uses a 16550A-compatible UART with 16-byte FIFO buffers for efficient data handling.
- Comprehensive OS Support:
Compatible with DOS, Windows 95/98/Me/NT/2000/XP/2003/Vista, Linux, and SCO OpenServer.
- Industrial-Grade Design:
Operating temperature range 0°C–55°C; humidity tolerance up to 95% RH.
- Expandable System Integration:
Supports up to two cards per system, providing a total of 16 serial ports.
- Single 5V Power Supply:
Simplified power requirements—no external power needed for serial operation.
- Included Connection Cable:
DB62 male to 8×DB9 male cable (DB25 version available on request).

Ursprungsland: Taiwan R.O.C.

Zolltarifnummer: 8473 3020 000

Comprehensive Product Summary – Rayon Technology P5688U Universal PCI 8-Port Serial Communication Card




### 1. Product Overview

Product Name: UPCI 8-Port 6×RS232/422 + 2×RS232/485 5V Only Card
Model Number: P5688U
Series: PCIPORT Universal PCI Serial Communication Cards
Article Number: P5688U
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung-Shan 2nd Rd., Lu-Chou City, Taipei Hsien, Taiwan, R.O.C.
Contact: Tel: +886-2-82858362 | Fax: +886-2-82857065
Website: [www.rayontech.com](http://www.rayontech.com) | [www.acceed.com/rayon](http://www.acceed.com/rayon)
Support Email: rayon@ms1.hinet.net | rayon@acceed.com

The Rayon P5688U is a high-performance Universal PCI (UPCI) serial communication card designed for industrial and commercial applications requiring multiple serial interfaces. It provides eight independent serial ports configurable as RS232, RS422, or RS485, supporting both full-duplex and half-duplex communication modes. The card is engineered for 5V PCI bus systems and offers automatic Plug & Play configuration through the PCI BIOS.




### 2. Key Features

- Eight Independent Serial Ports:
Six ports (A–F) selectable between RS232 and RS422; two ports (G–H) selectable between RS232 and RS485.
- Flexible Interface Configuration:
Each port can be independently configured for the desired serial standard, enabling mixed-mode operation.
- Auto Data Direction Control:
Built-in automatic data direction control for RS485 communication eliminates the need for manual RTS signal handling.
- Universal PCI Compatibility:
Supports both 5V and 3.3V PCI slots (33 MHz), ensuring compatibility with a wide range of PC architectures.
- Plug & Play Resource Allocation:
IRQ and I/O address mapping automatically assigned by PCI BIOS; supports shared IRQ operation.
- High-Speed Communication:
Programmable baud rates from 50 bps up to 115,200 bps (standard 1.8432 MHz clock).
- 16550A-Compatible UARTs:
Each port uses a 16550A-compatible UART with 16-byte FIFO buffers for efficient data handling.
- Comprehensive OS Support:
Compatible with DOS, Windows 95/98/Me/NT/2000/XP/2003/Vista, Linux, and SCO OpenServer.
- Industrial-Grade Design:
Operating temperature range 0°C–55°C; humidity tolerance up to 95% RH.
- Expandable System Integration:
Supports up to two cards per system, providing a total of 16 serial ports.
- Single 5V Power Supply:
Simplified power requirements—no external power needed for serial operation.
- Included Connection Cable:
DB62 male to 8×DB9 male cable (DB25 version available on request).




### 3. Technical Specifications

System Architecture:
- Intelligent PCI multi-port serial controller card.
- External expansion cable with eight DB9 or DB25 connectors.

Serial Communication Controller:
- Type: 16550A-compatible UART (PGA package).
- Clock Frequency: 1.8432 MHz (supports up to 14.7456 MHz for higher baud rates).
- FIFO Buffer: 16 bytes transmit/receive per port.

Port Configuration:
- Total Ports: 8
- Port A–F: RS232 or RS422 selectable.
- Port G–H: RS232 or RS485 selectable.
- Baud Rate: 50–115,200 bps (software programmable).
- Connector Type: DB25 male (R801 cable) or DB9 male (R804 cable).

Electrical & Bus Interface:
- PCI Bus: 32-bit, 33 MHz, 5V signaling (Universal PCI supports 3.3V).
- Power Requirement: 5V only.
- IRQ: One shared interrupt assigned by PCI BIOS.
- I/O Mapping: One 64-byte and one 8-byte I/O region assigned by BIOS.

Physical Dimensions:
- Card Size: 6.0 × 4.2 inches (152 × 107 mm).
- Weight: Approx. 120 g (card only).

Environmental Conditions:
- Operating Temperature: 0°C to 55°C
- Storage Temperature: 0°C to 65°C
- Operating Humidity: 10%–95% RH (non-condensing)
- Storage Humidity: 5%–95% RH

Materials:
- PCB: Multi-layer FR-4 industrial-grade board.
- Connectors: Gold-plated contacts for high reliability.




### 4. Functionality

The P5688U functions as an intelligent serial communication interface card for PCI-based systems. It provides eight independent serial channels that can be configured for RS232, RS422, or RS485 operation. Each port is managed by a 16550A-compatible UART, ensuring compatibility with standard serial communication software and drivers.

Operation Principle:
The card interfaces with the host system via the PCI bus. The onboard ASIC controller manages communication between the PCI bus and the UARTs, offloading serial I/O processing from the CPU. This reduces interrupt overhead and enhances system performance, particularly in multi-port configurations.

Use Cases and Applications:
- Industrial automation and control systems.
- Data acquisition and instrumentation.
- Point-of-sale (POS) and kiosk systems.
- SCADA and telemetry networks.
- Serial device networking (modems, sensors, PLCs).
- Multi-terminal communication servers.

Compatibility:
- Fully Plug & Play compliant with PCI BIOS.
- Supports up to two cards per system (16 ports total).
- Compatible with standard serial communication protocols and software.




### 5. Components & Accessories

Included Components:
- One P5688U PCI interface card.
- One DB62 male to 8×DB9 male expansion cable (R804).
- User manual and driver diskette.

Optional Accessories:
- R801 Cable: DB62 to 8×DB25 male connectors.
- R802 Cable: DB62 to 8×DB25 female connectors.
- R803 Cable: DB62 male-to-male cable for connection to RS4232-8 isolation box.
- TB485 Kit: DB9 female to RS485 terminal block converter.
- RS4232-8 Box: External isolation module for converting RS232 to isolated RS422/RS485.

Connector Pinouts:
- DB62 (card interface): 62-pin female connector.
- DB9/DB25 (expansion): Standard serial pin assignments per RS232/422/485 specifications.




### 6. Installation & Setup

System Requirements:
- PC/AT compatible system with available 5V or 3.3V PCI slot (33 MHz).
- Supported operating systems: DOS, Windows 95/98/Me/NT/2000/XP/2003/Vista, Linux, SCO OpenServer.

Installation Procedure:
1. Power off the system and remove the cover.
2. Insert the P5688U card into an available PCI slot.
3. Connect the DB62 expansion cable to the card.
4. Attach the external DB9/DB25 connectors to serial devices.
5. Power on the system.
6. Install the appropriate driver for your operating system.

Jumper Configuration:
- JP1: Card number selection.
- ON = First card.
- OFF = Second card.
This setting ensures correct COM port numbering when multiple cards are installed.

Driver Installation:
- Windows 2000/XP/Vista/7: Plug & Play detection; specify driver path (A:\WIN2000 or CD:\UPCI_card\P588U\WIN7_2000_XP_2003_Vista).
- Windows NT4: Manual installation via Control Panel → Network → Add Adapter → “Other” → specify driver directory.
- Windows 95/98/Me: Automatic detection; specify A:\WIN95 driver path.
- DOS: Run `PCIPORT.EXE` from driver diskette.
- Linux: Extract driver package (`tar xvf /dev/fd0`), run `./Install`, rebuild kernel module.
- SCO OpenServer: Use `/etc/custom` or manual `build` command to install driver.

Multi-Card Installation:
- Maximum two P5688U cards per system.
- Assign one card as “first” (JP1 ON) and the other as “second” (JP1 OFF).
- Cards can share IRQs if supported by the operating system.




### 7. Performance & Capabilities

Data Throughput:
- Baud Rate: 50–115,200 bps (standard); up to 921,600 bps with optional 14.7456 MHz crystal.
- Full-duplex operation for RS232/RS422; half-duplex for RS485.
- FIFO buffering minimizes CPU interrupts and data loss.

Capacity:
- 8 independent serial channels per card.
- Up to 16 channels with two cards installed.

Efficiency:
- Reduced CPU load through intelligent buffering and shared IRQ operation.
- Automatic resource allocation via PCI BIOS.

Limitations:
- RS485 supports half-duplex only.
- Maximum two cards per system.
- Requires 5V PCI slot (Universal PCI supports 3.3V).




### 8. Standards & Compliance

Bus Interface:
- PCI Local Bus Specification Revision 2.1 compliant.
- Plug & Play and IRQ sharing supported.

Electrical Standards:
- RS232C (EIA/TIA-232-F)
- RS422 (EIA/TIA-422-B)
- RS485 (EIA/TIA-485-A)

Software & OS Compliance:
- Microsoft Windows certified drivers (95 through Vista).
- Linux kernel module source provided (compatible with kernel 2.4.x and later).
- SCO OpenServer driver support.
- QNX 6.0 compatible via built-in `devc-ser8250` driver.

Environmental & Safety:
- Designed for industrial temperature and humidity ranges.
- Conforms to CE and FCC Class A emission standards (typical for industrial PCI cards).




### 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 flat-rate service charge.

Support & Service:
- Taiwan Service Center:
Rayon Technology Co., Ltd.
Email: rayon@ms1.hinet.net
- European Service Center:
Acceed GmbH, Düsseldorf, Germany
Email: rayon@acceed.com

Maintenance:
- No periodic maintenance required.
- Ensure anti-static handling during installation.
- Keep connectors clean and free of oxidation.

Software Updates:
- Updated drivers available for Windows 7 and later (use same driver as Windows 2000/XP/Vista).
- Linux source drivers maintained for kernel compatibility.

Troubleshooting Highlights:
- Verify PCI BIOS detects the card (Vendor ID 10B5h or 144Ah, Device ID 9050h).
- Ensure unique IRQ assignment or shared IRQ compatibility.
- Use “rayontty.exe” utility for COM port testing under DOS/Windows.
- For Linux, confirm kernel source path `/usr/src/linux` before building driver.

Related Models (5V Power Only 8-Port Series):
| Model | RS232 | RS422 | RS485 |
|--------|--------|--------|--------|
| P5188U | 8 | 8 | 0 |
| P5288U | 8 | 0 | 8 |
| P5388U | 0 | 8 | 8 |
| P5488U | 8 | 4 | 4 |
| P5588U | 8 | 0 | 0 |
| P5688U | 8 | 6 | 2 |
| P5788U | 8 | 7 | 1 |
| P5888U | 4 | 4 | 8 |
| P5988U | 4 | 8 | 4 |

Manufacturer’s Note:
Specifications are subject to change without notice to improve reliability and performance. Rayon Technology assumes no liability for incidental or consequential damages arising from product use.




### Summary

The Rayon P5688U Universal PCI 8-Port Serial Communication Card is a robust, industrial-grade solution for expanding serial connectivity in PCI-based systems. With flexible port configuration supporting RS232, RS422, and RS485 standards, automatic Plug & Play setup, and broad operating system compatibility, it is ideal for demanding multi-port communication environments. Its intelligent design minimizes CPU load, supports shared IRQs, and ensures stable, high-speed serial communication across diverse industrial and commercial applications.
  • RS4232-8 - 8*RS232/RS422/RS485 (mixed use) isolated converter box
  • R801 - Cable DB62m to 8*DB25m 1m
  • R802 - Cable DB62m to 8*DB25f 1m
  • R803 - Cable DB62m to DB62M 1m
  • R804 - Cable DB62m to 8*DB9m 1,20m