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AP301-I

PCI Isolated 1*RS232 and isol. RS232/422/485 Card 5V only
67,00 EUR

including VAT 79.73 EUR

  • Manufacturer Rayon
  • Category: RS485 / RS422 1-2-Port
  • The Rayon AP301-I is a high-performance, industrial-grade PCI serial communication card designed to provide reliable and flexible serial connectivity for PCs and embedded systems. It integrates two independent serial ports—one standard RS232 and one ground-isolated port configurable as RS232, RS422, or RS485—making it ideal for industrial control, automation, and data acquisition applications where electrical isolation and multi-protocol support are essential.
- Dual-Port PCI Serial Interface:
Provides two independent serial communication ports—one fixed RS232 and one configurable isolated port supporting RS232, RS422, or RS485 modes.

- Ground Isolation:
The first port features galvanic isolation to protect connected devices from ground loops, voltage spikes, and electrical noise, ensuring stable operation in industrial environments.

- Configurable Communication Modes:
Port 1 can be easily switched between RS232, RS422, and RS485 modes using an onboard DIP switch, allowing flexible deployment across various serial communication standards.

- High Compatibility:
Fully compatible with PCI 2.2 specifications and supports both 5V and 3.3V PCI bus slots, ensuring broad compatibility with legacy and modern PC architectures.

- ASIX MCS9865 Controller:
Each port is driven by an ASIX MCS9865 UART controller, providing advanced serial communication capabilities, high data integrity, and compatibility with standard 16950A UART features.

- Wide Baud Rate Range:
Supports baud rates from 50 bps up to 115,200 bps, suitable for a wide range of serial communication devices and protocols.

- Plug & Play Configuration:
I/O address, memory mapping, and IRQ assignments are automatically managed by the PCI BIOS, simplifying installation and eliminating resource conflicts.

- Operating System Support:
Compatible with major operating systems including Windows 2000, XP, Vista, Windows 7/8, and Linux distributions, ensuring broad software integration.

- Industrial-Grade Design:
Designed for industrial control and automation systems, featuring robust construction, wide operating temperature range, and high humidity tolerance.

- Compact Form Factor:
Standard PCI card dimensions (100 × 97 mm) with optional low-profile brackets available upon request for compact system integration.

Country of origin: Taiwan R.O.C.

Customs tariff number: 8473 3020 000

Comprehensive Product Summary – AP301-I PCI Isolated Serial Communication Card




### 1. Product Overview

Product Name: AP301-I
Model: AP301-I
Series: Advanced PCI Serial Communication Interface Series
Article Number: AP301-I
Manufacturer: Rayon Technology Co., Ltd.
Product Type: PCI Isolated Dual-Port Serial Communication Card (1×RS232 + 1×Isolated RS232/RS422/RS485)
Power Requirement: 5V only

The Rayon AP301-I is a high-performance, industrial-grade PCI serial communication card designed to provide reliable and flexible serial connectivity for PCs and embedded systems. It integrates two independent serial ports—one standard RS232 and one ground-isolated port configurable as RS232, RS422, or RS485—making it ideal for industrial control, automation, and data acquisition applications where electrical isolation and multi-protocol support are essential.




### 2. Key Features

- Dual-Port PCI Serial Interface:
Provides two independent serial communication ports—one fixed RS232 and one configurable isolated port supporting RS232, RS422, or RS485 modes.

- Ground Isolation:
The first port features galvanic isolation to protect connected devices from ground loops, voltage spikes, and electrical noise, ensuring stable operation in industrial environments.

- Configurable Communication Modes:
Port 1 can be easily switched between RS232, RS422, and RS485 modes using an onboard DIP switch, allowing flexible deployment across various serial communication standards.

- High Compatibility:
Fully compatible with PCI 2.2 specifications and supports both 5V and 3.3V PCI bus slots, ensuring broad compatibility with legacy and modern PC architectures.

- ASIX MCS9865 Controller:
Each port is driven by an ASIX MCS9865 UART controller, providing advanced serial communication capabilities, high data integrity, and compatibility with standard 16950A UART features.

- Wide Baud Rate Range:
Supports baud rates from 50 bps up to 115,200 bps, suitable for a wide range of serial communication devices and protocols.

- Plug & Play Configuration:
I/O address, memory mapping, and IRQ assignments are automatically managed by the PCI BIOS, simplifying installation and eliminating resource conflicts.

- Operating System Support:
Compatible with major operating systems including Windows 2000, XP, Vista, Windows 7/8, and Linux distributions, ensuring broad software integration.

- Industrial-Grade Design:
Designed for industrial control and automation systems, featuring robust construction, wide operating temperature range, and high humidity tolerance.

- Compact Form Factor:
Standard PCI card dimensions (100 × 97 mm) with optional low-profile brackets available upon request for compact system integration.




### 3. Technical Specifications

Controller Chip:
- ASIX MCS9865 (16950A compatible UART)

Bus Interface:
- PCI 2.2 compliant
- Supports 5V or 3.3V PCI bus slots
- Single voltage operation: 5V only

Ports:
- Total Ports: 2
- Port 1: Ground Isolated RS232/RS422/RS485 (selectable via DIP switch)
- Port 2: Standard RS232

Baud Rate:
- 50 to 115,200 bps (configurable per port)

Connectors:
- 2 × DB9 male connectors (one per port)

Dimensions:
- 100 mm (L) × 97 mm (W)

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 Resource Allocation:
- I/O Mapping: Assigned by PCI BIOS
- Memory Mapping: Assigned by PCI BIOS
- IRQ Mapping: Assigned by PCI BIOS

Material & Build:
- High-quality PCB with industrial-grade components
- Optional low-profile bracket for compact chassis installations




### 4. Functionality

The AP301-I functions as a dual-port serial communication interface card for PCI-based systems. It enables PCs to communicate with serial devices such as PLCs, sensors, industrial controllers, barcode scanners, and other RS232/RS422/RS485 peripherals.

Operational Modes:
- RS232 Mode: Standard asynchronous serial communication for short-distance, point-to-point connections.
- RS422 Mode: Differential signaling for long-distance, high-speed communication with improved noise immunity.
- RS485 Mode: Multi-drop communication supporting up to 32 devices on a single bus, ideal for industrial networks.

Isolation Function:
The isolated port (Port 1) provides galvanic isolation between the PC and connected devices, preventing ground potential differences and protecting against electrical surges.

Configuration:
Mode selection for Port 1 is achieved via DIP switches located on the card, allowing users to toggle between RS232, RS422, and RS485 modes without software intervention.

Use Cases & Applications:
- Industrial automation and process control
- Data acquisition systems
- SCADA and HMI interfaces
- Laboratory instrumentation
- Embedded system communication
- Serial device networking and monitoring

Compatibility:
The card is compatible with a wide range of operating systems and supports standard serial communication APIs, ensuring seamless integration with existing software and hardware infrastructures.




### 5. Components & Accessories

Included Components:
- AP301-I PCI card (standard bracket pre-installed)
- User documentation and installation guide
- Driver support (available for Windows and Linux)

Optional Accessories:
- Low-profile bracket (for small form factor PCs)
- Serial communication cables (DB9 male to DB9 female or terminal block adapters)
- External isolation modules (for additional protection in high-voltage environments)

Connectors:
- 2 × DB9 male connectors (one per port)
- DIP switch block for mode selection (RS232/RS422/RS485)




### 6. Installation & Setup

System Requirements:
- Available PCI slot (5V or 3.3V compatible)
- Supported operating system (Windows 2000/XP/Vista/7/8 or Linux)
- Administrative privileges for driver installation

Installation Steps:
1. Power off the computer and remove the cover.
2. Insert the AP301-I card into an available PCI slot.
3. Secure the card with the bracket screw.
4. Reassemble the system and power it on.
5. The PCI BIOS automatically assigns I/O, memory, and IRQ resources.
6. Install the appropriate driver for your operating system.
7. Configure Port 1 mode (RS232/RS422/RS485) using the onboard DIP switch.
8. Connect serial devices using the DB9 connectors.

Mounting Options:
- Standard PCI bracket (default)
- Optional low-profile bracket for compact enclosures

Configuration Tools:
- DIP switch for hardware mode selection
- Operating system device manager or terminal software for port configuration and testing




### 7. Performance & Capabilities

Data Transmission:
- Supports full-duplex communication in RS232 and RS422 modes
- Supports half-duplex communication in RS485 mode with ADDC (Automatic Data Direction Control) feature for simplified bus management

Speed & Throughput:
- Baud rate range: 50–115,200 bps
- Reliable data transfer with minimal latency and error correction via 16950A-compatible UART

Isolation & Protection:
- Ground isolation on Port 1 ensures protection against voltage surges and ground loops
- Enhanced signal integrity in electrically noisy environments

Efficiency:
- Plug & Play resource allocation reduces setup time
- Low power consumption due to single 5V operation

Limitations:
- Maximum baud rate limited to 115,200 bps
- No onboard surge suppression beyond isolation protection
- Requires PCI slot (not compatible with PCIe without adapter)




### 8. Standards & Compliance

Bus Interface Standards:
- PCI Local Bus Specification Revision 2.2 compliant
- Supports both 5V and 3.3V signaling environments

Communication Standards:
- RS232 (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)

Electrical Isolation:
- Ground isolation between PC and external devices on Port 1

Operating System Compliance:
- Microsoft Windows 2000, XP, Vista, Windows 7/8
- Linux kernel support (various distributions)
- SCO UNIX and other compatible systems

Regulatory & Safety:
- Designed and manufactured in compliance with industrial electronic standards
- Meets general EMC and safety requirements for industrial communication devices

Environmental Compliance:
- RoHS-compliant materials and lead-free manufacturing process (where applicable)




### 9. Additional Information

Manufacturer:
Rayon Technology Co., Ltd.
2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Telephone: +886-2-82858362
Fax: +886-2-82857065
Email: rayon@ms1.hinet.net / info@rayontech.com.tw
Websites:
- [http://www.rayontech.com.tw](http://www.rayontech.com.tw)
- [http://www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)

Warranty & Support:
- Standard manufacturer warranty (duration subject to region and distributor)
- Technical support via email and online resources
- Driver updates and documentation available on the manufacturer’s website

Maintenance:
- No periodic maintenance required beyond standard system care
- Ensure proper ventilation and avoid exposure to excessive humidity or dust
- Regularly check connector integrity and cable condition for optimal performance

Product Family & Related Models:
- AP102-I: PCI card with two ground-isolated RS232 ports
- AP132-I: PCI card with two ground-isolated RS422/RS485 ports
- AP112-I: PCI card with two ground-isolated RS232/RS422/RS485 ports
- APLOG301-I: PCI card supporting monitored RS232 to isolated RS232/RS422/RS485 conversion
- AP112: PCI card with two RS232/RS422/RS485 ports (non-isolated)
- AP132: PCI card with two RS422/RS485 ports (non-isolated)
- APCON301-I: PCI card supporting RS232 to isolated RS232/RS422/RS485 conversion

Trademarks:
All product names and trademarks are the property of their respective owners.




### Summary

The Rayon AP301-I PCI Isolated Serial Communication Card is a robust, versatile solution for industrial and commercial serial communication needs. With dual-port capability, galvanic isolation, and flexible RS232/RS422/RS485 support, it bridges the gap between legacy serial devices and modern computing platforms. Its plug-and-play PCI interface, wide OS compatibility, and industrial-grade design make it an excellent choice for automation, control, and data communication applications requiring reliability, safety, and configurability.

This card exemplifies Rayon Technology’s commitment to delivering high-quality, adaptable communication hardware for demanding industrial environments.