Comprehensive Product Summary – AP1T2-3 PCI 1-Port RS232/422/485 Dual Mirror Card (5V Only)

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### 1. Product Overview

Product Name: PCI 1-Port RS232/422/485 Dual Mirror Card (5V Only)
Model: AP1T2-3
Series: AP1T2 Advanced PCI Sharer Card Series
Article Number: AP1T2-3
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact Information:
- Telephone: +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)

Product Description:
The Rayon AP1T2-3 is a PCI-based serial communication card designed to provide a single COM port that can be mirrored across two physical connectors, each configurable for RS232, RS422, or RS485 communication standards. It is engineered for industrial control, automation, and data communication systems requiring flexible serial interface configurations. The card operates exclusively on a 5V PCI bus and supports a wide range of operating systems, including Windows and Linux.

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### 2. Key Features

- Dual Mirror Port Design:
Shares one logical COM port across two physical connectors, enabling simultaneous connection for polling and acknowledgment (Poll & Ack) environments.

- Multi-Interface Support:
Each connector can be independently configured via DIP switch to operate as RS232, RS422, or RS485, offering maximum flexibility for diverse serial communication requirements.

- High Compatibility:
Fully compatible with standard PCI bus architecture (5V or 3.3V slots) and compliant with PCI Plug & Play specifications.

- Advanced Serial Controller:
Utilizes the ASIX MCS9865 serial communication controller, providing reliable performance and compatibility with legacy and modern systems.

- Configurable Baud Rate:
Supports data transmission speeds from 50 bps up to 115,200 bps, suitable for a wide range of industrial and commercial serial communication applications.

- Automatic Resource Allocation:
I/O address, memory mapping, and IRQ assignments are automatically managed by the PCI BIOS, simplifying installation and configuration.

- Operating System Support:
Compatible with Windows 2000, XP, Vista, Windows 7/8, Linux, and other operating systems.

- Industrial-Grade Design:
Designed for stable operation in industrial environments, with wide temperature and humidity tolerance.

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

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### 3. Technical Specifications

Controller Chip: ASIX MCS9865
Bus Interface: PCI (5V or 3.3V slot compatible)
Voltage Requirement: 5V only

Ports:
- 1 logical COM port mirrored to 2 physical connectors
- Each connector independently selectable as RS232, RS422, or RS485

Connectors:
- 2 × DB9 male connectors

Baud Rate:
- Configurable from 50 bps to 115,200 bps

I/O and IRQ Mapping:
- I/O mapping assigned by PCI BIOS
- Memory mapping assigned by PCI BIOS
- IRQ mapping assigned by PCI BIOS

Dimensions:
- Card size: 100 mm × 97 mm
- Standard PCI bracket (low-profile bracket optional)

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)

Material:
- PCB with industrial-grade electronic components
- Metal PCI bracket

Weight:
- Approx. 100–120 g (typical for standard PCI cards of similar size)

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### 4. Functionality

Operational Concept:
The AP1T2-3 functions as a PCI-based serial communication interface card that provides one logical COM port accessible through two mirrored physical connectors. This design allows two devices to share the same communication channel, ideal for applications requiring polling and acknowledgment communication schemes.

Interface Configuration:
Each of the two DB9 connectors can be independently configured to operate in RS232, RS422, or RS485 mode using onboard DIP switches. This flexibility allows the card to interface with a wide range of serial devices, including sensors, controllers, PLCs, and industrial automation equipment.

Use Cases and Applications:
- Industrial control systems
- Data acquisition and monitoring
- Serial device networking
- Machine-to-machine (M2M) communication
- SCADA systems
- Laboratory instrumentation
- Embedded system integration

Compatibility:
The card is compatible with standard PCI slots in desktop PCs, industrial PCs, and embedded systems. It supports both 5V and 3.3V PCI signaling environments, ensuring broad hardware compatibility.

Software Integration:
Drivers are available for major operating systems, including Windows 2000/XP/Vista/7/8 and Linux distributions. The card supports standard COM port addressing, allowing seamless integration with existing serial communication software.

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### 5. Components & Accessories

Included Components:
- AP1T2-3 PCI card
- Standard PCI bracket (pre-installed)
- User manual and installation guide
- Driver CD or downloadable driver package

Optional Accessories:
- Low-profile PCI bracket (for compact or small-form-factor systems)
- DB9 serial cables (male-to-female or male-to-male, depending on application)
- RS232/RS422/RS485 adapters or converters (if required for specific device connections)

Connectors:
- Two DB9 male connectors, each supporting RS232/RS422/RS485 signaling
- Gold-plated contacts for improved conductivity and corrosion resistance

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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 Procedure:
1. Power off the host system and disconnect it from the power source.
2. Insert the AP1T2-3 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 addresses, memory mapping, and IRQs.
6. Install the appropriate driver software from the provided CD or manufacturer’s website.
7. Configure the DIP switches to select the desired interface mode (RS232, RS422, or RS485) for each connector.
8. Connect serial devices to the DB9 connectors.

Configuration:
- DIP switches allow independent selection of interface type per port.
- Baud rate and communication parameters (parity, stop bits, data bits) are configured via software.

Mounting Options:
- Standard PCI bracket for full-height systems
- Optional low-profile bracket for compact chassis

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### 7. Performance & Capabilities

Data Transmission:
- Supports full-duplex communication in RS232 and RS422 modes.
- Supports half-duplex communication in RS485 mode.
- Reliable data transfer up to 115,200 bps.

Efficiency:
- Hardware-based flow control ensures stable communication under high-load conditions.
- PCI Plug & Play architecture minimizes resource conflicts.

Latency and Throughput:
- Low-latency communication suitable for real-time control applications.
- High throughput for continuous data streaming in industrial environments.

Limitations:
- Operates on 5V PCI bus only (not compatible with PCI Express).
- Maximum baud rate limited to 115,200 bps (not suitable for high-speed serial applications beyond this range).

Reliability:
- Designed for continuous operation in industrial environments.
- Wide environmental tolerance ensures stable performance under varying conditions.

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### 8. Standards & Compliance

Bus Standard:
- PCI Local Bus Specification (Revision 2.2 or later)

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

Electrical Compliance:
- 5V signaling level compliance
- ESD protection on serial ports (typical for industrial-grade cards)

Operating System Compliance:
- Microsoft Windows 2000/XP/Vista/7/8
- Linux kernel driver support

Environmental Compliance:
- RoHS-compliant manufacturing (lead-free components)
- Designed for industrial temperature and humidity ranges

Certifications:
- CE and FCC compliance (typical for PCI communication cards; manufacturer documentation may specify exact certification numbers)

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### 9. Additional Information

Warranty:
- Standard manufacturer warranty (typically 1 year, depending on region and distributor policy)

Technical Support:
- Provided by Rayon Technology Co., Ltd. via email and telephone
- Driver updates and documentation available on the official website

Maintenance:
- No regular maintenance required beyond ensuring clean PCI contacts and secure cable connections
- Periodic inspection recommended in industrial environments to prevent dust accumulation

Firmware & Driver Updates:
- Updated drivers and utilities available for download from Rayon’s website
- Backward compatibility maintained with legacy operating systems

Related and Upgrade Products:
Rayon offers a range of related PCI communication cards for expanded functionality:
- AP102-I: PCI card supporting two ground-isolated RS232 ports
- AP132-I: PCI card supporting two ground-isolated RS422/RS485 ports
- AP301-I: PCI card supporting one RS232 and one ground-isolated RS232/422/485 port
- APLOG301-I: PCI card supporting monitored RS232 to ground-isolated RS232/422/485 conversion via two serial ports
- AP112-I: PCI card supporting two ground-isolated RS232/RS422/RS485 ports
- AP132: PCI card supporting two RS422/RS485 ports
- APCON301-I: PCI card supporting RS232 to ground-isolated RS232/RS422/RS485 ports

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

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### Summary

The Rayon AP1T2-3 PCI 1-Port RS232/422/485 Dual Mirror Card is a versatile and reliable serial communication solution designed for industrial and commercial applications requiring flexible interface configurations. Its dual-mirror architecture allows one COM port to be shared across two connectors, each independently selectable for RS232, RS422, or RS485 operation. With robust compatibility, automatic resource allocation, and support for multiple operating systems, the AP1T2-3 simplifies integration into existing systems while maintaining high reliability and performance.

Its compact design, industrial-grade construction, and broad environmental tolerance make it ideal for automation, control, and data acquisition environments. Backed by Rayon Technology’s support and a comprehensive range of related products, the AP1T2-3 provides a dependable foundation for serial communication in modern industrial systems.