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- Dual RS-232C Channels: Provides two independent asynchronous serial communication ports compliant with the RS-232C standard.
- PCMCIA Type II Interface: Fully compliant with PCMCIA Release 2.0 and JEIDA 4.1 standards, ensuring compatibility with a wide range of notebook and industrial PCs.
- High-Speed Communication: Supports data transfer rates from 2 to 115,200 bps, suitable for most industrial and instrumentation applications.
- 16550 UART Controller: Each channel is equipped with a 16550-compatible UART featuring a 16-byte FIFO buffer for both transmission and reception, ensuring stable data flow and reduced CPU load.
- Standard COM Port Emulation: Appears as standard COM ports (COM1–COM4) under Windows or Linux, allowing use with existing serial communication software without modification.
- Cross-Platform Driver Support: Includes standard COM drivers for Windows (XP/2000/Me/98) and Linux, along with the CONTEC COM Setup Disk for easy installation.
- Compact and Portable: Designed for mobile computing environments, the card fits into any PCMCIA Type II slot without external power requirements.
- Industrial Reliability: Built for industrial automation, measurement, and control systems requiring stable serial communication in portable or embedded form factors.
- Plug-and-Play Configuration: Automatically recognized by the operating system; IRQ and I/O address assignments are handled dynamically.
- Wide Compatibility: Works with a variety of serial devices such as modems, barcode readers, PLCs, sensors, and measurement instruments.
- PCMCIA Type II Interface: Fully compliant with PCMCIA Release 2.0 and JEIDA 4.1 standards, ensuring compatibility with a wide range of notebook and industrial PCs.
- High-Speed Communication: Supports data transfer rates from 2 to 115,200 bps, suitable for most industrial and instrumentation applications.
- 16550 UART Controller: Each channel is equipped with a 16550-compatible UART featuring a 16-byte FIFO buffer for both transmission and reception, ensuring stable data flow and reduced CPU load.
- Standard COM Port Emulation: Appears as standard COM ports (COM1–COM4) under Windows or Linux, allowing use with existing serial communication software without modification.
- Cross-Platform Driver Support: Includes standard COM drivers for Windows (XP/2000/Me/98) and Linux, along with the CONTEC COM Setup Disk for easy installation.
- Compact and Portable: Designed for mobile computing environments, the card fits into any PCMCIA Type II slot without external power requirements.
- Industrial Reliability: Built for industrial automation, measurement, and control systems requiring stable serial communication in portable or embedded form factors.
- Plug-and-Play Configuration: Automatically recognized by the operating system; IRQ and I/O address assignments are handled dynamically.
- Wide Compatibility: Works with a variety of serial devices such as modems, barcode readers, PLCs, sensors, and measurement instruments.
1. Product Overview
Product Name: PCMCIA II Serial 2×RS-232C Card
Model: COM-2(PM)
Series: COM Series – PCMCIA/PC Card Interface Boards
Article Number: COM-2(PM)
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Communication Interface Board
Product Type: Dual-channel RS-232C serial communication card for PCMCIA Type II slot
The CONTEC COM-2(PM) is a compact, high-reliability PCMCIA Type II serial communication card designed to provide two independent RS-232C asynchronous serial ports for notebook and embedded systems. It is part of CONTEC’s extensive COM series of communication interface products, which include PCI, Low Profile PCI, USB, and PC Card variants. The COM-2(PM) model specifically targets mobile and embedded applications requiring stable, dual-channel serial connectivity through the PCMCIA bus standard.
2. Key Features
- Dual RS-232C Channels: Provides two independent asynchronous serial communication ports compliant with the RS-232C standard.
- PCMCIA Type II Interface: Fully compliant with PCMCIA Release 2.0 and JEIDA 4.1 standards, ensuring compatibility with a wide range of notebook and industrial PCs.
- High-Speed Communication: Supports data transfer rates from 2 to 115,200 bps, suitable for most industrial and instrumentation applications.
- 16550 UART Controller: Each channel is equipped with a 16550-compatible UART featuring a 16-byte FIFO buffer for both transmission and reception, ensuring stable data flow and reduced CPU load.
- Standard COM Port Emulation: Appears as standard COM ports (COM1–COM4) under Windows or Linux, allowing use with existing serial communication software without modification.
- Cross-Platform Driver Support: Includes standard COM drivers for Windows (XP/2000/Me/98) and Linux, along with the CONTEC COM Setup Disk for easy installation.
- Compact and Portable: Designed for mobile computing environments, the card fits into any PCMCIA Type II slot without external power requirements.
- Industrial Reliability: Built for industrial automation, measurement, and control systems requiring stable serial communication in portable or embedded form factors.
- Plug-and-Play Configuration: Automatically recognized by the operating system; IRQ and I/O address assignments are handled dynamically.
- Wide Compatibility: Works with a variety of serial devices such as modems, barcode readers, PLCs, sensors, and measurement instruments.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Interface Type | RS-232C (Asynchronous) |
| Number of Channels | 2 independent channels |
| Communication Speed | 2 to 115,200 bps |
| Data Length | 5, 6, 7, or 8 bits |
| Stop Bits | 1, 1.5, or 2 stop bits |
| Parity Check | Even, Odd, or None |
| Controller | 16550-compatible UART (16-byte FIFO buffer per channel) |
| Interrupts | Selectable from IRQ3–7, 9–12, or 15 |
| Wiring Distance | Up to 15 meters (maximum) |
| I/O Address | Any 16-byte boundary |
| Power Consumption | 5 VDC, 170 mA (maximum) |
| Bus Standard | PCMCIA Release 2.0 / JEIDA 4.1 Type II |
| Connector Type | 9-pin D-sub male × 2 (DELC-J9PAF-20L9 [JAE] or equivalent) |
| Dimensions | PCMCIA Type II form factor (approx. 85.6 mm × 54.0 mm × 5.0 mm) |
| Operating Temperature | 0°C to +50°C (typical) |
| Storage Temperature | -20°C to +60°C |
| Relative Humidity | 10% to 90% RH (non-condensing) |
| Weight | Approx. 50 g |
| Compliance | PCMCIA Rel. 2.0, JEIDA 4.1 |
4. Functionality
The COM-2(PM) operates as a dual-channel asynchronous serial communication interface. Each channel functions independently, allowing simultaneous communication with two RS-232C devices. The card uses a 16550 UART controller with FIFO buffering to manage data efficiently, minimizing CPU overhead and preventing data loss during high-speed transfers.
When installed, the COM-2(PM) is recognized by the operating system as two standard COM ports. This allows any application that communicates through standard serial ports to use the card without modification. The included drivers for Windows and Linux ensure seamless integration into both legacy and modern systems.
Typical Use Cases:
- Industrial automation systems requiring serial communication with PLCs or sensors.
- Data acquisition and measurement systems using RS-232C instruments.
- Portable diagnostic or configuration tools for field engineers.
- Communication with modems, barcode scanners, or serial printers.
- Embedded systems requiring dual serial interfaces in a compact form factor.
Compatibility:
- Compatible with Windows XP, 2000, Me, 98, and Linux distributions supporting PCMCIA.
- Works with standard serial communication software and terminal emulators.
- Supports integration with CONTEC’s API-PAC(W32) software library for custom application development.
5. Components & Accessories
Included Items:
- COM-2(PM) PCMCIA II Serial Card
- Standard COM Driver / COM Setup Disk (Windows and Linux)
- User Manual and Installation Guide
Optional Accessories:
- Cables and Connectors:
- RSS-9M/F (9-pin male/female RS-232C cable)
- RSC-9F (9-pin female cable)
- RSS-25M/9F (25-pin to 9-pin conversion cable)
- RSC-25F/9F (25-pin female to 9-pin female cable)
- CN5-D9F (9-pin D-sub connector)
These accessories allow flexible connection to various RS-232C devices and configurations.
6. Installation & Setup
Requirements:
- PC or notebook computer equipped with a PCMCIA Type II slot.
- Operating system: Windows XP/2000/Me/98 or Linux.
- Available IRQ and I/O address space (automatically assigned by the system).
Installation Steps:
1. Insert the COM-2(PM) card into the PCMCIA slot while the system is powered on.
2. The operating system detects the card automatically and prompts for driver installation.
3. Insert the COM Setup Disk and follow on-screen instructions to install the standard COM driver.
4. After installation, two new COM ports (e.g., COM3 and COM4) appear in the system device manager.
5. Connect RS-232C devices to the 9-pin D-sub connectors.
6. Configure communication parameters (baud rate, parity, stop bits) through the application software or system settings.
Configuration:
- Communication parameters can be set via the operating system’s device manager or through CONTEC’s API-PAC(W32) library.
- IRQ and I/O address assignments are handled automatically by the PCMCIA controller.
- No external power supply or jumper settings are required.
7. Performance & Capabilities
The COM-2(PM) delivers stable and reliable serial communication performance suitable for industrial and laboratory environments. Each channel supports up to 115.2 kbps, sufficient for most RS-232C applications. The 16550 UART with 16-byte FIFO buffers ensures smooth data transmission and reception even under high CPU load conditions.
Performance Highlights:
- Speed Range: 2–115,200 bps (selectable).
- FIFO Buffer: 16 bytes per channel for both transmit and receive.
- Interrupt Handling: Independent interrupt lines for each channel, minimizing latency.
- Distance Capability: Up to 15 meters per channel (standard RS-232C limit).
- Power Efficiency: Low power consumption (5V, 170 mA), ideal for battery-powered notebooks.
- Reliability: Designed for continuous operation in industrial environments.
Limitations:
- Maximum baud rate limited to 115.2 kbps (unlike PCI or USB models supporting up to 921.6 kbps).
- RS-232C only (no RS-422/485 support).
- No galvanic isolation or surge protection (available in other COM series models such as COM-2PD or COM-1D).
8. Standards & Compliance
- Bus Standard: PCMCIA Release 2.0 / JEIDA 4.1 Type II
- Communication Standard: RS-232C (EIA/TIA-232-E compliant)
- Controller Standard: 16550 UART compatible
- Software Compliance: Recognized as standard COM ports under Windows and Linux
- Electrical Safety: Designed to meet industrial-grade reliability standards
- Environmental Compliance: RoHS-compliant manufacturing (per CONTEC’s environmental policy)
- EMC/EMI: Meets general PCMCIA device electromagnetic compatibility requirements
The COM-2(PM) adheres to international standards for PCMCIA and RS-232C communication, ensuring interoperability with a wide range of computing platforms and serial devices.
9. Additional Information
Warranty:
CONTEC provides a standard manufacturer’s warranty covering defects in materials and workmanship. Warranty terms vary by region but typically include one year of coverage from the date of purchase.
Technical Support:
Comprehensive technical support is available through CONTEC’s global portal (www.contec.com). Support includes driver updates, FAQs, and downloadable documentation.
Maintenance:
The COM-2(PM) requires minimal maintenance. Users should ensure connectors remain clean and free of dust. No internal adjustments or calibration are necessary.
Software Updates:
Updated drivers and utilities are periodically released by CONTEC to maintain compatibility with new operating systems and hardware platforms. Users can download the latest versions from the CONTEC website.
Related Models in the COM Series:
- COM-1(PM): Single-channel RS-232C PCMCIA card (115.2 kbps).
- COM-1D(PM): Single-channel isolated RS-422A/RS-485 PCMCIA card (115.2 kbps).
- COM-1(CB)H / COM-2(CB)H / COM-4(CB)H: CardBus versions supporting up to 921.6 kbps.
- COM-2(PCI)H / COM-4(PCI)H / COM-8(PCI)H: PCI bus versions with higher speed and channel count.
- COM-1(USB)H / COM-1P(USB)H / COM-4(USB): USB 2.0 versions for plug-and-play serial expansion.
Applications Summary:
- Industrial automation and control systems
- Data logging and measurement instrumentation
- Communication with legacy serial devices
- Portable field service and diagnostic tools
- Laboratory and test equipment interfacing
Manufacturer Contact:
CONTEC Co., Ltd.
Industrial Automation Products Division
Website: [www.contec.com](https://www.contec.com)
Category: Measurement and Control Products – Communication Interfaces
Summary
The CONTEC COM-2(PM) is a robust, dual-channel RS-232C serial communication card designed for PCMCIA Type II slots. It provides reliable, high-quality serial connectivity for portable and embedded systems, supporting standard COM port operation under Windows and Linux. With its 16550 UART controller, 16-byte FIFO buffers, and low power consumption, the COM-2(PM) is ideal for industrial, laboratory, and field applications requiring dependable serial communication in a compact form factor.
Its compliance with PCMCIA Rel. 2.0 and JEIDA 4.1 ensures broad compatibility, while the inclusion of standard drivers and setup utilities simplifies integration. Although limited to 115.2 kbps and lacking isolation, it remains a cost-effective and efficient solution for dual-port RS-232C communication in mobile or embedded environments.
Product Name: PCMCIA II Serial 2×RS-232C Card
Model: COM-2(PM)
Series: COM Series – PCMCIA/PC Card Interface Boards
Article Number: COM-2(PM)
Manufacturer: CONTEC Co., Ltd. (Japan)
Product Category: Industrial Communication Interface Board
Product Type: Dual-channel RS-232C serial communication card for PCMCIA Type II slot
The CONTEC COM-2(PM) is a compact, high-reliability PCMCIA Type II serial communication card designed to provide two independent RS-232C asynchronous serial ports for notebook and embedded systems. It is part of CONTEC’s extensive COM series of communication interface products, which include PCI, Low Profile PCI, USB, and PC Card variants. The COM-2(PM) model specifically targets mobile and embedded applications requiring stable, dual-channel serial connectivity through the PCMCIA bus standard.
2. Key Features
- Dual RS-232C Channels: Provides two independent asynchronous serial communication ports compliant with the RS-232C standard.
- PCMCIA Type II Interface: Fully compliant with PCMCIA Release 2.0 and JEIDA 4.1 standards, ensuring compatibility with a wide range of notebook and industrial PCs.
- High-Speed Communication: Supports data transfer rates from 2 to 115,200 bps, suitable for most industrial and instrumentation applications.
- 16550 UART Controller: Each channel is equipped with a 16550-compatible UART featuring a 16-byte FIFO buffer for both transmission and reception, ensuring stable data flow and reduced CPU load.
- Standard COM Port Emulation: Appears as standard COM ports (COM1–COM4) under Windows or Linux, allowing use with existing serial communication software without modification.
- Cross-Platform Driver Support: Includes standard COM drivers for Windows (XP/2000/Me/98) and Linux, along with the CONTEC COM Setup Disk for easy installation.
- Compact and Portable: Designed for mobile computing environments, the card fits into any PCMCIA Type II slot without external power requirements.
- Industrial Reliability: Built for industrial automation, measurement, and control systems requiring stable serial communication in portable or embedded form factors.
- Plug-and-Play Configuration: Automatically recognized by the operating system; IRQ and I/O address assignments are handled dynamically.
- Wide Compatibility: Works with a variety of serial devices such as modems, barcode readers, PLCs, sensors, and measurement instruments.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Interface Type | RS-232C (Asynchronous) |
| Number of Channels | 2 independent channels |
| Communication Speed | 2 to 115,200 bps |
| Data Length | 5, 6, 7, or 8 bits |
| Stop Bits | 1, 1.5, or 2 stop bits |
| Parity Check | Even, Odd, or None |
| Controller | 16550-compatible UART (16-byte FIFO buffer per channel) |
| Interrupts | Selectable from IRQ3–7, 9–12, or 15 |
| Wiring Distance | Up to 15 meters (maximum) |
| I/O Address | Any 16-byte boundary |
| Power Consumption | 5 VDC, 170 mA (maximum) |
| Bus Standard | PCMCIA Release 2.0 / JEIDA 4.1 Type II |
| Connector Type | 9-pin D-sub male × 2 (DELC-J9PAF-20L9 [JAE] or equivalent) |
| Dimensions | PCMCIA Type II form factor (approx. 85.6 mm × 54.0 mm × 5.0 mm) |
| Operating Temperature | 0°C to +50°C (typical) |
| Storage Temperature | -20°C to +60°C |
| Relative Humidity | 10% to 90% RH (non-condensing) |
| Weight | Approx. 50 g |
| Compliance | PCMCIA Rel. 2.0, JEIDA 4.1 |
4. Functionality
The COM-2(PM) operates as a dual-channel asynchronous serial communication interface. Each channel functions independently, allowing simultaneous communication with two RS-232C devices. The card uses a 16550 UART controller with FIFO buffering to manage data efficiently, minimizing CPU overhead and preventing data loss during high-speed transfers.
When installed, the COM-2(PM) is recognized by the operating system as two standard COM ports. This allows any application that communicates through standard serial ports to use the card without modification. The included drivers for Windows and Linux ensure seamless integration into both legacy and modern systems.
Typical Use Cases:
- Industrial automation systems requiring serial communication with PLCs or sensors.
- Data acquisition and measurement systems using RS-232C instruments.
- Portable diagnostic or configuration tools for field engineers.
- Communication with modems, barcode scanners, or serial printers.
- Embedded systems requiring dual serial interfaces in a compact form factor.
Compatibility:
- Compatible with Windows XP, 2000, Me, 98, and Linux distributions supporting PCMCIA.
- Works with standard serial communication software and terminal emulators.
- Supports integration with CONTEC’s API-PAC(W32) software library for custom application development.
5. Components & Accessories
Included Items:
- COM-2(PM) PCMCIA II Serial Card
- Standard COM Driver / COM Setup Disk (Windows and Linux)
- User Manual and Installation Guide
Optional Accessories:
- Cables and Connectors:
- RSS-9M/F (9-pin male/female RS-232C cable)
- RSC-9F (9-pin female cable)
- RSS-25M/9F (25-pin to 9-pin conversion cable)
- RSC-25F/9F (25-pin female to 9-pin female cable)
- CN5-D9F (9-pin D-sub connector)
These accessories allow flexible connection to various RS-232C devices and configurations.
6. Installation & Setup
Requirements:
- PC or notebook computer equipped with a PCMCIA Type II slot.
- Operating system: Windows XP/2000/Me/98 or Linux.
- Available IRQ and I/O address space (automatically assigned by the system).
Installation Steps:
1. Insert the COM-2(PM) card into the PCMCIA slot while the system is powered on.
2. The operating system detects the card automatically and prompts for driver installation.
3. Insert the COM Setup Disk and follow on-screen instructions to install the standard COM driver.
4. After installation, two new COM ports (e.g., COM3 and COM4) appear in the system device manager.
5. Connect RS-232C devices to the 9-pin D-sub connectors.
6. Configure communication parameters (baud rate, parity, stop bits) through the application software or system settings.
Configuration:
- Communication parameters can be set via the operating system’s device manager or through CONTEC’s API-PAC(W32) library.
- IRQ and I/O address assignments are handled automatically by the PCMCIA controller.
- No external power supply or jumper settings are required.
7. Performance & Capabilities
The COM-2(PM) delivers stable and reliable serial communication performance suitable for industrial and laboratory environments. Each channel supports up to 115.2 kbps, sufficient for most RS-232C applications. The 16550 UART with 16-byte FIFO buffers ensures smooth data transmission and reception even under high CPU load conditions.
Performance Highlights:
- Speed Range: 2–115,200 bps (selectable).
- FIFO Buffer: 16 bytes per channel for both transmit and receive.
- Interrupt Handling: Independent interrupt lines for each channel, minimizing latency.
- Distance Capability: Up to 15 meters per channel (standard RS-232C limit).
- Power Efficiency: Low power consumption (5V, 170 mA), ideal for battery-powered notebooks.
- Reliability: Designed for continuous operation in industrial environments.
Limitations:
- Maximum baud rate limited to 115.2 kbps (unlike PCI or USB models supporting up to 921.6 kbps).
- RS-232C only (no RS-422/485 support).
- No galvanic isolation or surge protection (available in other COM series models such as COM-2PD or COM-1D).
8. Standards & Compliance
- Bus Standard: PCMCIA Release 2.0 / JEIDA 4.1 Type II
- Communication Standard: RS-232C (EIA/TIA-232-E compliant)
- Controller Standard: 16550 UART compatible
- Software Compliance: Recognized as standard COM ports under Windows and Linux
- Electrical Safety: Designed to meet industrial-grade reliability standards
- Environmental Compliance: RoHS-compliant manufacturing (per CONTEC’s environmental policy)
- EMC/EMI: Meets general PCMCIA device electromagnetic compatibility requirements
The COM-2(PM) adheres to international standards for PCMCIA and RS-232C communication, ensuring interoperability with a wide range of computing platforms and serial devices.
9. Additional Information
Warranty:
CONTEC provides a standard manufacturer’s warranty covering defects in materials and workmanship. Warranty terms vary by region but typically include one year of coverage from the date of purchase.
Technical Support:
Comprehensive technical support is available through CONTEC’s global portal (www.contec.com). Support includes driver updates, FAQs, and downloadable documentation.
Maintenance:
The COM-2(PM) requires minimal maintenance. Users should ensure connectors remain clean and free of dust. No internal adjustments or calibration are necessary.
Software Updates:
Updated drivers and utilities are periodically released by CONTEC to maintain compatibility with new operating systems and hardware platforms. Users can download the latest versions from the CONTEC website.
Related Models in the COM Series:
- COM-1(PM): Single-channel RS-232C PCMCIA card (115.2 kbps).
- COM-1D(PM): Single-channel isolated RS-422A/RS-485 PCMCIA card (115.2 kbps).
- COM-1(CB)H / COM-2(CB)H / COM-4(CB)H: CardBus versions supporting up to 921.6 kbps.
- COM-2(PCI)H / COM-4(PCI)H / COM-8(PCI)H: PCI bus versions with higher speed and channel count.
- COM-1(USB)H / COM-1P(USB)H / COM-4(USB): USB 2.0 versions for plug-and-play serial expansion.
Applications Summary:
- Industrial automation and control systems
- Data logging and measurement instrumentation
- Communication with legacy serial devices
- Portable field service and diagnostic tools
- Laboratory and test equipment interfacing
Manufacturer Contact:
CONTEC Co., Ltd.
Industrial Automation Products Division
Website: [www.contec.com](https://www.contec.com)
Category: Measurement and Control Products – Communication Interfaces
Summary
The CONTEC COM-2(PM) is a robust, dual-channel RS-232C serial communication card designed for PCMCIA Type II slots. It provides reliable, high-quality serial connectivity for portable and embedded systems, supporting standard COM port operation under Windows and Linux. With its 16550 UART controller, 16-byte FIFO buffers, and low power consumption, the COM-2(PM) is ideal for industrial, laboratory, and field applications requiring dependable serial communication in a compact form factor.
Its compliance with PCMCIA Rel. 2.0 and JEIDA 4.1 ensures broad compatibility, while the inclusion of standard drivers and setup utilities simplifies integration. Although limited to 115.2 kbps and lacking isolation, it remains a cost-effective and efficient solution for dual-port RS-232C communication in mobile or embedded environments.
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