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- Dual RS-232 Ports: Provides two independent serial communication channels via standard DB9 male connectors.
- PCMCIA Type II Interface: Fully compliant with PCMCIA Type II standards, enabling plug-and-play installation in compatible laptops and embedded systems.
- High-Performance UART: Equipped with 16550C UARTs featuring 16-byte FIFO buffers for each transmit and receive channel, minimizing CPU load and improving data throughput.
- Reliable Data Transmission: Hardware and software flow control support ensures stable communication even under high data rates.
- Compact and Portable Design: Slim Type II form factor ideal for mobile computing and field service applications.
- Industrial-Grade Build Quality: Designed by Moxa for long-term reliability in demanding environments.
- Compatibility: Supports a wide range of operating systems and legacy serial devices.
- Plug-and-Play Operation: Automatic resource allocation and configuration through PCMCIA interface standards.
- DB9 Male Connectors: Standardized connectors for easy integration with existing RS-232 equipment.
- Low Power Consumption: Optimized for battery-powered systems such as laptops and portable terminals.
- PCMCIA Type II Interface: Fully compliant with PCMCIA Type II standards, enabling plug-and-play installation in compatible laptops and embedded systems.
- High-Performance UART: Equipped with 16550C UARTs featuring 16-byte FIFO buffers for each transmit and receive channel, minimizing CPU load and improving data throughput.
- Reliable Data Transmission: Hardware and software flow control support ensures stable communication even under high data rates.
- Compact and Portable Design: Slim Type II form factor ideal for mobile computing and field service applications.
- Industrial-Grade Build Quality: Designed by Moxa for long-term reliability in demanding environments.
- Compatibility: Supports a wide range of operating systems and legacy serial devices.
- Plug-and-Play Operation: Automatic resource allocation and configuration through PCMCIA interface standards.
- DB9 Male Connectors: Standardized connectors for easy integration with existing RS-232 equipment.
- Low Power Consumption: Optimized for battery-powered systems such as laptops and portable terminals.
1. Product Overview
Product Name: COMpad-32B-2
Model: COMpad-32B-2
Series: COMpad Series – PCMCIA Serial Communication Adapters
Article Number: COMpad-32B-2
Manufacturer: Moxa Technologies Co., Ltd.
The Moxa COMpad-32B-2 is a compact, high-performance PCMCIA Type II serial communication interface card designed to provide two independent RS-232 serial ports for notebook and embedded computing systems. It is engineered for industrial, commercial, and mobile computing environments where reliable serial connectivity is required through a PCMCIA slot. The device integrates dual UART channels with advanced buffering and flow control, ensuring stable and efficient data transmission for serial peripherals such as modems, barcode scanners, instrumentation devices, and industrial controllers.
2. Key Features
- Dual RS-232 Ports: Provides two independent serial communication channels via standard DB9 male connectors.
- PCMCIA Type II Interface: Fully compliant with PCMCIA Type II standards, enabling plug-and-play installation in compatible laptops and embedded systems.
- High-Performance UART: Equipped with 16550C UARTs featuring 16-byte FIFO buffers for each transmit and receive channel, minimizing CPU load and improving data throughput.
- Reliable Data Transmission: Hardware and software flow control support ensures stable communication even under high data rates.
- Compact and Portable Design: Slim Type II form factor ideal for mobile computing and field service applications.
- Industrial-Grade Build Quality: Designed by Moxa for long-term reliability in demanding environments.
- Compatibility: Supports a wide range of operating systems and legacy serial devices.
- Plug-and-Play Operation: Automatic resource allocation and configuration through PCMCIA interface standards.
- DB9 Male Connectors: Standardized connectors for easy integration with existing RS-232 equipment.
- Low Power Consumption: Optimized for battery-powered systems such as laptops and portable terminals.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Interface Type | PCMCIA Type II |
| Serial Ports | 2 × RS-232 |
| UART Type | 16550C-compatible UART with 16-byte FIFO |
| Connector Type | 2 × DB9 male |
| Baud Rate | Up to 115.2 kbps (typical for RS-232) |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Mark, Space |
| Flow Control | RTS/CTS, XON/XOFF |
| Signal Lines (per port) | TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND |
| Bus Interface | PCMCIA 68-pin connector |
| Form Factor | Type II PC Card (Credit card-sized) |
| Dimensions | Approx. 85.6 mm (L) × 54.0 mm (W) × 5.0 mm (H) |
| Weight | Approx. 50–70 g (depending on cable assembly) |
| Power Supply | 5 V DC supplied via PCMCIA slot |
| Power Consumption | Typically < 500 mW |
| Operating Temperature | 0°C to 55°C (standard) |
| Storage Temperature | -20°C to 85°C |
| Humidity | 5% to 95% RH, non-condensing |
| Material | Aluminum alloy housing with reinforced plastic end caps |
| Compliance | PCMCIA 2.1, RS-232C standard |
4. Functionality
The COMpad-32B-2 functions as a dual-port serial communication adapter that expands a computer’s connectivity through the PCMCIA interface. Once inserted into a compatible PCMCIA slot, the card automatically registers as two independent COM ports within the operating system. Each port operates as a fully functional RS-232 interface, capable of asynchronous serial communication with external devices.
Use Cases and Applications:
- Industrial Automation: Connecting PLCs, sensors, and control modules to portable computers for configuration and monitoring.
- Field Service and Maintenance: Providing serial connectivity for diagnostic tools, data loggers, and test instruments.
- Point-of-Sale (POS) Systems: Linking barcode scanners, receipt printers, and card readers.
- Networking and Communication: Interfacing with modems, GPS receivers, and serial-based communication modules.
- Embedded Systems: Adding serial ports to compact embedded controllers or legacy systems requiring RS-232 communication.
Compatibility:
- Compatible with standard PCMCIA Type II slots found in laptops, industrial PCs, and embedded controllers.
- Supports major operating systems such as Windows, Linux, and DOS (driver-dependent).
- Works with legacy and modern serial devices adhering to RS-232 standards.
5. Components & Accessories
Included Items:
- COMpad-32B-2 PCMCIA Type II card
- Detachable cable assembly with dual DB9 male connectors
- Driver and utility software (on CD or downloadable from Moxa website)
- Quick installation guide and documentation
Optional Accessories:
- DB9-to-DB25 adapter cables for legacy equipment
- Extension cables for remote device placement
- Protective carrying case for field use
- Replacement cable assemblies
Connectors:
- PCMCIA Edge Connector: 68-pin interface for host connection
- DB9 Male Connectors (x2): Standard RS-232 pinout for peripheral connection
6. Installation & Setup
Requirements:
- Host system with an available PCMCIA Type II slot
- Supported operating system with appropriate driver support
- Administrative privileges for driver installation
Installation Steps:
1. Insert the COMpad-32B-2 card into the PCMCIA slot of the host computer.
2. The system automatically detects the card and prompts for driver installation.
3. Install the Moxa-provided driver software from the included media or download it from the official Moxa support site.
4. Once installed, two new COM ports appear in the system’s device manager.
5. Connect RS-232 devices to the DB9 connectors and configure communication parameters (baud rate, parity, stop bits) as required.
Mounting Options:
- Direct insertion into PCMCIA slot (flush fit)
- Optional cable strain relief or clip for secure connection in mobile environments
Configuration:
- Software-configurable COM port numbers and communication parameters
- Supports standard serial communication APIs and terminal software
7. Performance & Capabilities
Speed and Throughput:
- Supports standard RS-232 data rates up to 115.2 kbps per port.
- 16-byte FIFO buffers in each UART reduce CPU overhead and prevent data loss during high-speed transfers.
Capacity:
- Two independent serial channels operating simultaneously without interference.
- Each port can handle full-duplex communication.
Efficiency:
- Hardware flow control (RTS/CTS) ensures efficient data exchange and prevents buffer overruns.
- Low power consumption design suitable for battery-powered systems.
Latency and Reliability:
- Optimized driver architecture minimizes latency between host and peripheral devices.
- Stable operation under continuous data transmission conditions.
Limitations:
- Restricted to RS-232 signaling levels (±12 V typical); not compatible with RS-422/485 without external converters.
- Requires PCMCIA slot (not compatible with ExpressCard or USB without adapters).
8. Standards & Compliance
Electrical and Interface Standards:
- PCMCIA 2.1 / JEIDA 4.2 compliant
- RS-232C / EIA/TIA-232 compliant signaling
- UART 16550C compatible
Regulatory Compliance:
- CE (Conformité Européenne) for electromagnetic compatibility
- FCC Class B for home and office use
- RoHS compliant (Restriction of Hazardous Substances)
- WEEE compliant for environmental responsibility
Industry Standards:
- Compatible with standard serial communication protocols and terminal emulation software
- Meets industrial-grade reliability and performance benchmarks established by Moxa
9. Additional Information
Warranty:
- Standard 3-year limited warranty from Moxa covering manufacturing defects and hardware failures under normal use.
Technical Support:
- Comprehensive online support including driver downloads, firmware updates, and technical documentation.
- Access to Moxa’s global support network for troubleshooting and configuration assistance.
Maintenance:
- No routine maintenance required; periodic inspection of connectors and cables recommended.
- Firmware and driver updates available to maintain compatibility with new operating systems.
Software Updates:
- Moxa provides updated drivers for Windows and Linux platforms to ensure long-term usability.
- Configuration utilities allow easy port management and diagnostic testing.
Service Life and Reliability:
- Designed for extended operational life in industrial and mobile environments.
- Tested for mechanical durability and electrical stability under vibration and temperature variations.
Environmental Considerations:
- RoHS-compliant materials ensure minimal environmental impact.
- Compact design reduces material usage and supports sustainable product lifecycle management.
### Summary
The Moxa COMpad-32B-2 PCMCIA Type II Serial Interface is a robust, dual-port RS-232 communication adapter engineered for professionals requiring reliable serial connectivity in portable or embedded computing environments. Featuring two independent RS-232 channels, 16550C UARTs with 16-byte FIFOs, and standard DB9 male connectors, it delivers stable, high-performance serial communication for a wide range of industrial and commercial applications. Its compliance with PCMCIA 2.1 and RS-232C standards ensures broad compatibility, while Moxa’s industrial-grade design guarantees durability and long-term reliability.
Ideal for engineers, technicians, and system integrators, the COMpad-32B-2 provides a dependable solution for extending serial communication capabilities to modern and legacy systems alike.
Product Name: COMpad-32B-2
Model: COMpad-32B-2
Series: COMpad Series – PCMCIA Serial Communication Adapters
Article Number: COMpad-32B-2
Manufacturer: Moxa Technologies Co., Ltd.
The Moxa COMpad-32B-2 is a compact, high-performance PCMCIA Type II serial communication interface card designed to provide two independent RS-232 serial ports for notebook and embedded computing systems. It is engineered for industrial, commercial, and mobile computing environments where reliable serial connectivity is required through a PCMCIA slot. The device integrates dual UART channels with advanced buffering and flow control, ensuring stable and efficient data transmission for serial peripherals such as modems, barcode scanners, instrumentation devices, and industrial controllers.
2. Key Features
- Dual RS-232 Ports: Provides two independent serial communication channels via standard DB9 male connectors.
- PCMCIA Type II Interface: Fully compliant with PCMCIA Type II standards, enabling plug-and-play installation in compatible laptops and embedded systems.
- High-Performance UART: Equipped with 16550C UARTs featuring 16-byte FIFO buffers for each transmit and receive channel, minimizing CPU load and improving data throughput.
- Reliable Data Transmission: Hardware and software flow control support ensures stable communication even under high data rates.
- Compact and Portable Design: Slim Type II form factor ideal for mobile computing and field service applications.
- Industrial-Grade Build Quality: Designed by Moxa for long-term reliability in demanding environments.
- Compatibility: Supports a wide range of operating systems and legacy serial devices.
- Plug-and-Play Operation: Automatic resource allocation and configuration through PCMCIA interface standards.
- DB9 Male Connectors: Standardized connectors for easy integration with existing RS-232 equipment.
- Low Power Consumption: Optimized for battery-powered systems such as laptops and portable terminals.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Interface Type | PCMCIA Type II |
| Serial Ports | 2 × RS-232 |
| UART Type | 16550C-compatible UART with 16-byte FIFO |
| Connector Type | 2 × DB9 male |
| Baud Rate | Up to 115.2 kbps (typical for RS-232) |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Mark, Space |
| Flow Control | RTS/CTS, XON/XOFF |
| Signal Lines (per port) | TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND |
| Bus Interface | PCMCIA 68-pin connector |
| Form Factor | Type II PC Card (Credit card-sized) |
| Dimensions | Approx. 85.6 mm (L) × 54.0 mm (W) × 5.0 mm (H) |
| Weight | Approx. 50–70 g (depending on cable assembly) |
| Power Supply | 5 V DC supplied via PCMCIA slot |
| Power Consumption | Typically < 500 mW |
| Operating Temperature | 0°C to 55°C (standard) |
| Storage Temperature | -20°C to 85°C |
| Humidity | 5% to 95% RH, non-condensing |
| Material | Aluminum alloy housing with reinforced plastic end caps |
| Compliance | PCMCIA 2.1, RS-232C standard |
4. Functionality
The COMpad-32B-2 functions as a dual-port serial communication adapter that expands a computer’s connectivity through the PCMCIA interface. Once inserted into a compatible PCMCIA slot, the card automatically registers as two independent COM ports within the operating system. Each port operates as a fully functional RS-232 interface, capable of asynchronous serial communication with external devices.
Use Cases and Applications:
- Industrial Automation: Connecting PLCs, sensors, and control modules to portable computers for configuration and monitoring.
- Field Service and Maintenance: Providing serial connectivity for diagnostic tools, data loggers, and test instruments.
- Point-of-Sale (POS) Systems: Linking barcode scanners, receipt printers, and card readers.
- Networking and Communication: Interfacing with modems, GPS receivers, and serial-based communication modules.
- Embedded Systems: Adding serial ports to compact embedded controllers or legacy systems requiring RS-232 communication.
Compatibility:
- Compatible with standard PCMCIA Type II slots found in laptops, industrial PCs, and embedded controllers.
- Supports major operating systems such as Windows, Linux, and DOS (driver-dependent).
- Works with legacy and modern serial devices adhering to RS-232 standards.
5. Components & Accessories
Included Items:
- COMpad-32B-2 PCMCIA Type II card
- Detachable cable assembly with dual DB9 male connectors
- Driver and utility software (on CD or downloadable from Moxa website)
- Quick installation guide and documentation
Optional Accessories:
- DB9-to-DB25 adapter cables for legacy equipment
- Extension cables for remote device placement
- Protective carrying case for field use
- Replacement cable assemblies
Connectors:
- PCMCIA Edge Connector: 68-pin interface for host connection
- DB9 Male Connectors (x2): Standard RS-232 pinout for peripheral connection
6. Installation & Setup
Requirements:
- Host system with an available PCMCIA Type II slot
- Supported operating system with appropriate driver support
- Administrative privileges for driver installation
Installation Steps:
1. Insert the COMpad-32B-2 card into the PCMCIA slot of the host computer.
2. The system automatically detects the card and prompts for driver installation.
3. Install the Moxa-provided driver software from the included media or download it from the official Moxa support site.
4. Once installed, two new COM ports appear in the system’s device manager.
5. Connect RS-232 devices to the DB9 connectors and configure communication parameters (baud rate, parity, stop bits) as required.
Mounting Options:
- Direct insertion into PCMCIA slot (flush fit)
- Optional cable strain relief or clip for secure connection in mobile environments
Configuration:
- Software-configurable COM port numbers and communication parameters
- Supports standard serial communication APIs and terminal software
7. Performance & Capabilities
Speed and Throughput:
- Supports standard RS-232 data rates up to 115.2 kbps per port.
- 16-byte FIFO buffers in each UART reduce CPU overhead and prevent data loss during high-speed transfers.
Capacity:
- Two independent serial channels operating simultaneously without interference.
- Each port can handle full-duplex communication.
Efficiency:
- Hardware flow control (RTS/CTS) ensures efficient data exchange and prevents buffer overruns.
- Low power consumption design suitable for battery-powered systems.
Latency and Reliability:
- Optimized driver architecture minimizes latency between host and peripheral devices.
- Stable operation under continuous data transmission conditions.
Limitations:
- Restricted to RS-232 signaling levels (±12 V typical); not compatible with RS-422/485 without external converters.
- Requires PCMCIA slot (not compatible with ExpressCard or USB without adapters).
8. Standards & Compliance
Electrical and Interface Standards:
- PCMCIA 2.1 / JEIDA 4.2 compliant
- RS-232C / EIA/TIA-232 compliant signaling
- UART 16550C compatible
Regulatory Compliance:
- CE (Conformité Européenne) for electromagnetic compatibility
- FCC Class B for home and office use
- RoHS compliant (Restriction of Hazardous Substances)
- WEEE compliant for environmental responsibility
Industry Standards:
- Compatible with standard serial communication protocols and terminal emulation software
- Meets industrial-grade reliability and performance benchmarks established by Moxa
9. Additional Information
Warranty:
- Standard 3-year limited warranty from Moxa covering manufacturing defects and hardware failures under normal use.
Technical Support:
- Comprehensive online support including driver downloads, firmware updates, and technical documentation.
- Access to Moxa’s global support network for troubleshooting and configuration assistance.
Maintenance:
- No routine maintenance required; periodic inspection of connectors and cables recommended.
- Firmware and driver updates available to maintain compatibility with new operating systems.
Software Updates:
- Moxa provides updated drivers for Windows and Linux platforms to ensure long-term usability.
- Configuration utilities allow easy port management and diagnostic testing.
Service Life and Reliability:
- Designed for extended operational life in industrial and mobile environments.
- Tested for mechanical durability and electrical stability under vibration and temperature variations.
Environmental Considerations:
- RoHS-compliant materials ensure minimal environmental impact.
- Compact design reduces material usage and supports sustainable product lifecycle management.
### Summary
The Moxa COMpad-32B-2 PCMCIA Type II Serial Interface is a robust, dual-port RS-232 communication adapter engineered for professionals requiring reliable serial connectivity in portable or embedded computing environments. Featuring two independent RS-232 channels, 16550C UARTs with 16-byte FIFOs, and standard DB9 male connectors, it delivers stable, high-performance serial communication for a wide range of industrial and commercial applications. Its compliance with PCMCIA 2.1 and RS-232C standards ensures broad compatibility, while Moxa’s industrial-grade design guarantees durability and long-term reliability.
Ideal for engineers, technicians, and system integrators, the COMpad-32B-2 provides a dependable solution for extending serial communication capabilities to modern and legacy systems alike.
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