Comprehensive Product Summary – AP2T1-1 PCI 1-Port RS232 Shared Port Card (5V Only)

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### 1. Product Overview

Product Name: PCI 1-Port RS232 Shared Port Card (5V Only)
Model: AP2T1-1
Series: AP2T1 Advanced PCI Sharer Card
Article Number: AP2T1-1
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact:
- Tel: +886-2-82858362
- Fax: +886-2-82857065
- Email: rayon@ms1.hinet.net / info@rayontech.com.tw
- Websites: [www.computex.com.tw/rayon](http://www.computex.com.tw/rayon), [www.rayontech.com.tw](http://www.rayontech.com.tw)

The AP2T1-1 is a high-performance PCI serial communication card designed for industrial and embedded applications requiring flexible serial connectivity. It provides two COM ports that share a single RS232 interface, allowing one port to function as the primary communication channel and the other as a monitoring port. The card is engineered for reliability, configurability, and compatibility with multiple operating systems, making it suitable for industrial control, automation, and data acquisition systems.

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### 2. Key Features

- Dual-Port Shared Design: Two COM ports share a single RS232 interface, enabling one port to operate as the main communication channel while the second port monitors the same data stream.
- Configurable Interface: Each port can be independently configured via DIP switches to operate as RS232, RS422, or RS485 (depending on model variant: AP2T1-I/1, AP2T1-I/2, or AP2T1-I/3).
- High Compatibility: Fully compatible with 5V or 3.3V PCI bus slots, ensuring broad system integration across legacy and modern PCs.
- Plug & Play Operation: Automatic I/O, memory, and IRQ mapping assigned by the PCI BIOS simplifies installation and configuration.
- Flexible Baud Rate: Supports communication speeds from 50 to 115,200 bps, suitable for a wide range of serial devices.
- Industrial-Grade Reliability: Designed for continuous operation in industrial environments with wide temperature and humidity tolerance.
- Operating System Support: Compatible with Windows 2000, XP, Vista, Windows 7/8, Linux, and other operating systems.
- Compact Form Factor: Standard PCI bracket with optional low-profile bracket available upon request.
- Single Voltage Operation: Operates exclusively on 5V PCI power, ensuring stable performance in standard PCI slots.
- ASIX MCS9865 Controller: Utilizes the reliable ASIX MCS9865 serial communication controller for stable and efficient data handling.

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### 3. Technical Specifications

Controller Chip: ASIX MCS9865 (16950A compatible)
Bus Interface: PCI (5V or 3.3V slot compatible)
Voltage Requirement: 5V only
Number of Ports: 2 COM ports (shared on one connector)
Interface Type: RS232 (AP2T1-I/1), RS422/RS485 (AP2T1-I/2), or RS232/RS422/RS485 (AP2T1-I/3)
Baud Rate: 50 to 115,200 bps per port
Connector Type: 1 × DB9 male connector
Dimensions:
- Card size: 100 mm × 97 mm
- Standard PCI bracket (low-profile bracket optional)
Material: High-quality PCB with metal bracket
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)
I/O Mapping: Assigned automatically by PCI BIOS
Memory Mapping: Assigned automatically by PCI BIOS
IRQ Mapping: Assigned automatically by PCI BIOS
Form Factor: Standard PCI card (optional low-profile version available)
Weight: Approx. 80–100 g (typical for PCI card of this size)

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### 4. Functionality

The AP2T1-1 PCI Shared Port Card functions as a dual-port serial communication interface that allows two COM ports to share a single RS232 connection. This design enables one port to act as the primary communication port while the second port serves as a monitoring port, receiving the same data stream for diagnostic or logging purposes.

Each port’s interface type (RS232, RS422, or RS485) can be configured via onboard DIP switches, providing flexibility for various communication standards. The card’s plug-and-play architecture allows the system BIOS to automatically assign I/O addresses, memory ranges, and IRQs, eliminating manual configuration.

Typical Use Cases:
- Industrial control systems and automation equipment
- Serial data acquisition and monitoring
- Communication between PLCs, sensors, and controllers
- Diagnostic monitoring of serial communication lines
- Integration with legacy RS232/RS422/RS485 devices
- Embedded systems requiring dual-port serial connectivity

Compatibility:
The AP2T1-1 is compatible with a wide range of operating systems, including Windows 2000, XP, Vista, Windows 7/8, and Linux distributions. It supports both 5V and 3.3V PCI slots, ensuring compatibility with older and newer PC architectures.

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### 5. Components & Accessories

Included Items:
- AP2T1-1 PCI card
- Standard PCI bracket (pre-installed)
- User manual or quick installation guide
- Driver CD or downloadable driver package (depending on distribution)

Optional Accessories:
- Low-profile PCI bracket (for compact or small-form-factor PCs)
- RS232/RS422/RS485 adapter cables (depending on model variant)
- Additional serial communication cables or extension harnesses

Connectors:
- 1 × DB9 male connector (shared by two COM ports)
- Internal DIP switch block for interface configuration

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### 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 disconnect it from the power source.
2. Insert the AP2T1-1 card into an available PCI slot.
3. Secure the card using the bracket screw.
4. Reconnect power and boot the system.
5. The PCI BIOS automatically assigns I/O, memory, and IRQ resources.
6. Install the appropriate driver from the provided CD or download from Rayon’s website.
7. Configure the interface type (RS232/RS422/RS485) using the onboard DIP switches as required.
8. Verify installation through the operating system’s device manager or serial port utility.

Mounting Options:
- Standard PCI bracket for desktop or industrial PC chassis
- Optional low-profile bracket for compact enclosures

Configuration:
- DIP switches allow selection of interface type per port.
- Baud rate and communication parameters are configured via software or device driver.

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### 7. Performance & Capabilities

Data Rate: 50–115,200 bps per port
Signal Integrity: High-quality PCB design ensures stable signal transmission with minimal interference.
Port Sharing Function: Both COM ports can receive identical data streams, enabling real-time monitoring or redundancy.
Latency: Low-latency communication suitable for time-sensitive industrial applications.
Efficiency: Hardware-based serial controller (ASIX MCS9865) offloads processing from the host CPU, improving system performance.
Reliability: Designed for continuous 24/7 operation in industrial environments.
Limitations:
- Single DB9 connector limits simultaneous independent communication; both ports share the same physical interface.
- Operates only on 5V PCI power (not compatible with 12V-only or PCIe slots).

Performance Upgrade Options:
Rayon offers several related models for expanded functionality:
- AP102-I: PCI card with two ground-isolated RS232 ports.
- AP132-I: PCI card with two ground-isolated RS422/RS485 ports.
- AP301-I: PCI card with one RS232 and one ground-isolated RS232/422/485 port.
- APLOG301-I: PCI card supporting monitored RS232 to ground-isolated RS232/422/485 conversion.
- AP112: PCI card with two RS232/RS422/RS485 ports.
- AP132: PCI card with two RS422/RS485 ports.
- APCON301-I: PCI card supporting RS232 to ground-isolated RS232/RS422/RS485 ports.

These models provide scalability and enhanced isolation for more demanding industrial applications.

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### 8. Standards & Compliance

Bus Standard: PCI Local Bus Specification (5V/3.3V compatible)
Serial Standards Supported: RS232, RS422, RS485 (depending on model variant)
Controller Compliance: ASIX MCS9865 compliant with 16950A UART standard
Operating System Compatibility:
- Microsoft Windows 2000 / XP / Vista / 7 / 8
- Linux (kernel-level driver support)
- SCO UNIX and other compatible systems
Environmental Compliance:
- Operating temperature and humidity within industrial-grade limits
- RoHS compliance (based on manufacturer’s standard production process)
Regulatory Compliance:
- Designed to meet CE and FCC Class B requirements for electromagnetic compatibility (typical for PCI communication cards)

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### 9. Additional Information

Warranty:
Standard manufacturer warranty (typically 1 year, depending on region and distributor). Covers defects in materials and workmanship under normal use conditions.

Technical Support:
Rayon Technology provides technical support via email and telephone. Updated drivers, manuals, and product documentation are available on the company’s official website.

Maintenance:
- Periodic inspection of connectors and contacts recommended to ensure reliable communication.
- Keep the card free from dust and moisture.
- Avoid exposure to extreme temperatures or humidity beyond specified limits.

Firmware & Driver Updates:
- Updated drivers and firmware (if applicable) can be downloaded from [www.rayontech.com.tw](http://www.rayontech.com.tw).
- Driver updates ensure compatibility with newer operating systems and improve performance stability.

Product Lifecycle & Availability:
The AP2T1-1 remains part of Rayon’s industrial communication product line, designed for long-term availability and support. Its compatibility with both legacy and modern PCI systems ensures continued usability in industrial and embedded environments.

Trademark Notice:
All product names, trademarks, and registered trademarks are the property of their respective owners.

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### Summary

The Rayon AP2T1-1 PCI 1-Port RS232 Shared Port Card is a robust, configurable, and industrial-grade serial communication solution. It enables two COM ports to share a single RS232 interface, allowing simultaneous operation of a working and monitoring port. With support for multiple serial standards (RS232/RS422/RS485), flexible DIP switch configuration, and broad OS compatibility, it is ideal for industrial control, automation, and diagnostic applications.

Its use of the ASIX MCS9865 controller ensures reliable, high-speed communication up to 115,200 bps, while automatic PCI resource allocation simplifies installation. The card’s durable design, environmental tolerance, and optional low-profile bracket make it suitable for both standard and compact PC systems.

Backed by Rayon Technology’s support and a range of compatible models for expanded functionality, the AP2T1-1 offers a dependable and scalable solution for engineers and system integrators requiring flexible serial communication interfaces in PCI-based systems.

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End of Product Summary – AP2T1-1 PCI 1-Port RS232 Shared Port Card (5V Only)