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- Eight Independent RS232 Ports: Provides eight fully functional asynchronous serial interfaces for simultaneous communication with multiple devices.
- 16550 UART Chipset: Each port is equipped with a 16550 UART featuring a 16-byte FIFO buffer, ensuring smooth data transmission and reception even under high-load conditions.
- High-Speed Serial Communication: Supports standard baud rates up to 115.2 kbps or higher, depending on system configuration and cable quality.
- Asynchronous Operation: Designed for asynchronous serial data transfer, suitable for a wide range of industrial and commercial applications.
- Multi-Card Support: Allows installation of up to two C128+ cards per PC, expanding the total number of available RS232 ports to sixteen.
- Plug-and-Play Configuration: Simplified installation with automatic resource allocation in compatible systems.
- Industrial-Grade Reliability: Built for continuous operation in demanding environments, ensuring stable performance and long service life.
- Compatibility: Works with standard PC operating systems and supports a wide range of serial communication protocols.
- Compact Design: Optimized for space efficiency in industrial PCs, servers, and embedded systems.
- Flexible Integration: Suitable for control systems, data acquisition, instrumentation, and communication gateways.
- 16550 UART Chipset: Each port is equipped with a 16550 UART featuring a 16-byte FIFO buffer, ensuring smooth data transmission and reception even under high-load conditions.
- High-Speed Serial Communication: Supports standard baud rates up to 115.2 kbps or higher, depending on system configuration and cable quality.
- Asynchronous Operation: Designed for asynchronous serial data transfer, suitable for a wide range of industrial and commercial applications.
- Multi-Card Support: Allows installation of up to two C128+ cards per PC, expanding the total number of available RS232 ports to sixteen.
- Plug-and-Play Configuration: Simplified installation with automatic resource allocation in compatible systems.
- Industrial-Grade Reliability: Built for continuous operation in demanding environments, ensuring stable performance and long service life.
- Compatibility: Works with standard PC operating systems and supports a wide range of serial communication protocols.
- Compact Design: Optimized for space efficiency in industrial PCs, servers, and embedded systems.
- Flexible Integration: Suitable for control systems, data acquisition, instrumentation, and communication gateways.
1. Product Overview
Product Name: 8-Port RS232 Card 16550
Model: C128+
Series: C-Series Industrial Communication Interfaces
Article Number: C128+
Manufacturer: [Manufacturer not specified; typically used in industrial PC communication systems]
The C128+ 8-Port RS232 Card 16550 is a high-performance asynchronous serial communication interface designed for industrial and commercial PC-based systems requiring multiple RS232 ports. It provides eight independent serial channels on a single expansion card, each equipped with a 16550 UART (Universal Asynchronous Receiver/Transmitter) for reliable, buffered communication. The card is engineered for robust data exchange between PCs and serial devices such as modems, barcode scanners, PLCs, sensors, and other RS232-compatible equipment. Supporting up to two cards per PC, the C128+ enables expansion to a total of sixteen serial ports, making it ideal for multi-device environments and automation systems.
2. Key Features
- Eight Independent RS232 Ports: Provides eight fully functional asynchronous serial interfaces for simultaneous communication with multiple devices.
- 16550 UART Chipset: Each port is equipped with a 16550 UART featuring a 16-byte FIFO buffer, ensuring smooth data transmission and reception even under high-load conditions.
- High-Speed Serial Communication: Supports standard baud rates up to 115.2 kbps or higher, depending on system configuration and cable quality.
- Asynchronous Operation: Designed for asynchronous serial data transfer, suitable for a wide range of industrial and commercial applications.
- Multi-Card Support: Allows installation of up to two C128+ cards per PC, expanding the total number of available RS232 ports to sixteen.
- Plug-and-Play Configuration: Simplified installation with automatic resource allocation in compatible systems.
- Industrial-Grade Reliability: Built for continuous operation in demanding environments, ensuring stable performance and long service life.
- Compatibility: Works with standard PC operating systems and supports a wide range of serial communication protocols.
- Compact Design: Optimized for space efficiency in industrial PCs, servers, and embedded systems.
- Flexible Integration: Suitable for control systems, data acquisition, instrumentation, and communication gateways.
3. Technical Specifications
- Model: C128+
- Interface Type: RS232 (EIA/TIA-232 standard)
- Number of Ports: 8 independent asynchronous serial ports
- UART Type: 16550 UART with 16-byte FIFO buffer per channel
- Maximum Cards per System: 2 (for a total of 16 ports)
- Baud Rate: Up to 115.2 kbps (typical), depending on system configuration
- Data Bits: 5, 6, 7, or 8 bits
- Stop Bits: 1 or 2
- Parity: None, Even, Odd, Mark, or Space
- Flow Control: Hardware (RTS/CTS), Software (XON/XOFF)
- Connector Type: Typically DB9 or DB25 (depending on configuration or breakout cable)
- Bus Interface: Standard PC expansion bus (ISA, PCI, or PCIe depending on variant; C128+ typically ISA/PCI)
- Power Requirements: +5V DC from system bus (exact current draw dependent on configuration)
- Operating Temperature: 0°C to +55°C (typical industrial range)
- Storage Temperature: -20°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Dimensions: Approx. 170 mm x 100 mm (standard half-length expansion card format)
- Weight: Approx. 150–200 g (depending on connector configuration)
- Material: Multi-layer PCB with gold-plated contacts and industrial-grade components
- Indicators: Optional LED indicators for TX/RX activity per port (depending on configuration)
4. Functionality
The C128+ 8-Port RS232 Card 16550 functions as a multi-channel serial communication interface for PCs and industrial controllers. Each of the eight ports operates independently, allowing simultaneous data exchange with multiple RS232 devices. The integrated 16550 UARTs provide hardware buffering, reducing CPU load and preventing data loss during high-speed communication.
Use Cases and Applications:
- Industrial automation systems connecting PLCs, sensors, and actuators
- Data acquisition and monitoring systems
- Point-of-sale (POS) terminals and retail automation
- Laboratory instrumentation and test equipment interfaces
- Communication with legacy serial devices in modern PC environments
- Multi-modem communication servers
- Serial console management for network and server equipment
Compatibility:
The card is compatible with standard PC architectures and supports major operating systems such as Windows, Linux, and DOS (depending on driver availability). It integrates seamlessly with serial communication software, SCADA systems, and custom industrial control applications.
5. Components & Accessories
Included Items:
- C128+ 8-Port RS232 Card
- Driver and utility software (on CD or downloadable package)
- Installation manual and quick-start guide
- Optional breakout cable or panel (depending on configuration)
Optional Accessories:
- DB9 or DB25 breakout cables for port access
- Rack-mount or panel-mount brackets for industrial enclosures
- Serial extension cables and adapters
- Surge protection modules for RS232 lines
- Additional C128+ card for system expansion (up to two per PC)
Connectors:
Each port is typically accessible via a high-density connector (e.g., DB62 or DB78) on the card, which connects to a breakout cable providing eight individual DB9 or DB25 connectors. This design minimizes space usage on the card while maintaining full RS232 functionality.
6. Installation & Setup
System Requirements:
- Compatible PC with available expansion slot (ISA, PCI, or PCIe depending on variant)
- Operating system supporting serial communication drivers
- Available IRQ and I/O address resources (automatically assigned in Plug-and-Play systems)
Installation Steps:
1. Power off the PC and disconnect it from the power source.
2. Insert the C128+ card into an available expansion slot.
3. Secure the card with the mounting screw.
4. Connect the breakout cable to the card’s high-density connector.
5. Attach RS232 devices to the breakout cable’s DB9/DB25 connectors.
6. Power on the PC and install the provided drivers.
7. Configure COM port assignments and communication parameters via the operating system or driver utility.
Mounting Options:
- Internal installation in desktop or industrial PC chassis
- Optional external breakout panel for easy access to serial ports
Configuration:
- Software-based configuration for COM port numbering and interrupt assignment
- Adjustable communication parameters (baud rate, parity, stop bits, flow control) through driver settings or application software
7. Performance & Capabilities
The C128+ delivers stable, high-speed serial communication across eight channels simultaneously. The 16550 UART’s 16-byte FIFO buffer minimizes CPU overhead and ensures reliable data transfer even under heavy communication loads.
Performance Highlights:
- Data Throughput: Up to 115.2 kbps per port (aggregate throughput up to 921.6 kbps across all ports)
- Low Latency: Hardware buffering reduces transmission delays
- High Reliability: Error-free communication with parity and flow control options
- Scalability: Two cards per PC allow up to 16 serial ports
- Efficiency: Optimized for continuous operation in industrial environments
Limitations:
- RS232 communication distance limited to approximately 15 meters (50 feet) at standard baud rates
- Not suitable for RS422/RS485 differential signaling without additional converters
- Requires available system resources (IRQ, I/O address) for each port
8. Standards & Compliance
- Electrical Standard: EIA/TIA-232 (RS232)
- UART Standard: 16550-compatible
- Bus Interface Compliance: ISA/PCI/PCIe (depending on variant)
- EMC Compliance: Designed to meet CE and FCC Class A requirements for electromagnetic compatibility
- RoHS Compliance: Manufactured using lead-free, RoHS-compliant components
- Safety Standards: Conforms to applicable IEC and EN safety directives for electronic equipment
- Operating System Support: Compatible with Windows, Linux, and DOS environments (driver-dependent)
These compliance features ensure that the C128+ meets industrial and commercial regulatory requirements for safe and reliable operation in diverse environments.
9. Additional Information
Warranty:
Typically supplied with a 2-year limited warranty covering manufacturing defects and component failures under normal operating conditions. Extended warranty options may be available through the manufacturer or distributor.
Technical Support:
Comprehensive technical support is available, including driver updates, installation assistance, and troubleshooting guidance. Support channels may include online documentation, email support, and telephone assistance.
Maintenance:
The C128+ requires minimal maintenance. Periodic inspection of connectors and cables is recommended to ensure reliable electrical contact. Firmware or driver updates should be applied as released to maintain compatibility with new operating systems.
Software & Driver Updates:
Driver packages are provided for major operating systems and can be downloaded from the manufacturer’s website. Updates may include performance enhancements, bug fixes, and expanded OS compatibility.
Service & Replacement:
In the event of hardware failure, the card can be replaced under warranty or serviced by authorized repair centers. Replacement parts and accessories are typically available for long-term product support.
Lifecycle & Availability:
The C128+ is part of a long-term industrial product line, ensuring extended availability and consistent form factor for system integrators and OEMs. This stability makes it suitable for long-term deployment in industrial automation and embedded systems.
### Summary
The C128+ 8-Port RS232 Card 16550 is a robust, industrial-grade serial communication interface designed for systems requiring multiple asynchronous RS232 connections. With eight independent ports, each powered by a 16550 UART, it delivers reliable, high-speed data transfer for a wide range of industrial, commercial, and laboratory applications. Supporting up to two cards per PC, the C128+ offers scalability, flexibility, and long-term reliability. Its compliance with RS232 and industry standards, combined with ease of installation and broad OS compatibility, makes it an ideal solution for multi-device communication environments, automation systems, and legacy equipment integration.
Product Name: 8-Port RS232 Card 16550
Model: C128+
Series: C-Series Industrial Communication Interfaces
Article Number: C128+
Manufacturer: [Manufacturer not specified; typically used in industrial PC communication systems]
The C128+ 8-Port RS232 Card 16550 is a high-performance asynchronous serial communication interface designed for industrial and commercial PC-based systems requiring multiple RS232 ports. It provides eight independent serial channels on a single expansion card, each equipped with a 16550 UART (Universal Asynchronous Receiver/Transmitter) for reliable, buffered communication. The card is engineered for robust data exchange between PCs and serial devices such as modems, barcode scanners, PLCs, sensors, and other RS232-compatible equipment. Supporting up to two cards per PC, the C128+ enables expansion to a total of sixteen serial ports, making it ideal for multi-device environments and automation systems.
2. Key Features
- Eight Independent RS232 Ports: Provides eight fully functional asynchronous serial interfaces for simultaneous communication with multiple devices.
- 16550 UART Chipset: Each port is equipped with a 16550 UART featuring a 16-byte FIFO buffer, ensuring smooth data transmission and reception even under high-load conditions.
- High-Speed Serial Communication: Supports standard baud rates up to 115.2 kbps or higher, depending on system configuration and cable quality.
- Asynchronous Operation: Designed for asynchronous serial data transfer, suitable for a wide range of industrial and commercial applications.
- Multi-Card Support: Allows installation of up to two C128+ cards per PC, expanding the total number of available RS232 ports to sixteen.
- Plug-and-Play Configuration: Simplified installation with automatic resource allocation in compatible systems.
- Industrial-Grade Reliability: Built for continuous operation in demanding environments, ensuring stable performance and long service life.
- Compatibility: Works with standard PC operating systems and supports a wide range of serial communication protocols.
- Compact Design: Optimized for space efficiency in industrial PCs, servers, and embedded systems.
- Flexible Integration: Suitable for control systems, data acquisition, instrumentation, and communication gateways.
3. Technical Specifications
- Model: C128+
- Interface Type: RS232 (EIA/TIA-232 standard)
- Number of Ports: 8 independent asynchronous serial ports
- UART Type: 16550 UART with 16-byte FIFO buffer per channel
- Maximum Cards per System: 2 (for a total of 16 ports)
- Baud Rate: Up to 115.2 kbps (typical), depending on system configuration
- Data Bits: 5, 6, 7, or 8 bits
- Stop Bits: 1 or 2
- Parity: None, Even, Odd, Mark, or Space
- Flow Control: Hardware (RTS/CTS), Software (XON/XOFF)
- Connector Type: Typically DB9 or DB25 (depending on configuration or breakout cable)
- Bus Interface: Standard PC expansion bus (ISA, PCI, or PCIe depending on variant; C128+ typically ISA/PCI)
- Power Requirements: +5V DC from system bus (exact current draw dependent on configuration)
- Operating Temperature: 0°C to +55°C (typical industrial range)
- Storage Temperature: -20°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Dimensions: Approx. 170 mm x 100 mm (standard half-length expansion card format)
- Weight: Approx. 150–200 g (depending on connector configuration)
- Material: Multi-layer PCB with gold-plated contacts and industrial-grade components
- Indicators: Optional LED indicators for TX/RX activity per port (depending on configuration)
4. Functionality
The C128+ 8-Port RS232 Card 16550 functions as a multi-channel serial communication interface for PCs and industrial controllers. Each of the eight ports operates independently, allowing simultaneous data exchange with multiple RS232 devices. The integrated 16550 UARTs provide hardware buffering, reducing CPU load and preventing data loss during high-speed communication.
Use Cases and Applications:
- Industrial automation systems connecting PLCs, sensors, and actuators
- Data acquisition and monitoring systems
- Point-of-sale (POS) terminals and retail automation
- Laboratory instrumentation and test equipment interfaces
- Communication with legacy serial devices in modern PC environments
- Multi-modem communication servers
- Serial console management for network and server equipment
Compatibility:
The card is compatible with standard PC architectures and supports major operating systems such as Windows, Linux, and DOS (depending on driver availability). It integrates seamlessly with serial communication software, SCADA systems, and custom industrial control applications.
5. Components & Accessories
Included Items:
- C128+ 8-Port RS232 Card
- Driver and utility software (on CD or downloadable package)
- Installation manual and quick-start guide
- Optional breakout cable or panel (depending on configuration)
Optional Accessories:
- DB9 or DB25 breakout cables for port access
- Rack-mount or panel-mount brackets for industrial enclosures
- Serial extension cables and adapters
- Surge protection modules for RS232 lines
- Additional C128+ card for system expansion (up to two per PC)
Connectors:
Each port is typically accessible via a high-density connector (e.g., DB62 or DB78) on the card, which connects to a breakout cable providing eight individual DB9 or DB25 connectors. This design minimizes space usage on the card while maintaining full RS232 functionality.
6. Installation & Setup
System Requirements:
- Compatible PC with available expansion slot (ISA, PCI, or PCIe depending on variant)
- Operating system supporting serial communication drivers
- Available IRQ and I/O address resources (automatically assigned in Plug-and-Play systems)
Installation Steps:
1. Power off the PC and disconnect it from the power source.
2. Insert the C128+ card into an available expansion slot.
3. Secure the card with the mounting screw.
4. Connect the breakout cable to the card’s high-density connector.
5. Attach RS232 devices to the breakout cable’s DB9/DB25 connectors.
6. Power on the PC and install the provided drivers.
7. Configure COM port assignments and communication parameters via the operating system or driver utility.
Mounting Options:
- Internal installation in desktop or industrial PC chassis
- Optional external breakout panel for easy access to serial ports
Configuration:
- Software-based configuration for COM port numbering and interrupt assignment
- Adjustable communication parameters (baud rate, parity, stop bits, flow control) through driver settings or application software
7. Performance & Capabilities
The C128+ delivers stable, high-speed serial communication across eight channels simultaneously. The 16550 UART’s 16-byte FIFO buffer minimizes CPU overhead and ensures reliable data transfer even under heavy communication loads.
Performance Highlights:
- Data Throughput: Up to 115.2 kbps per port (aggregate throughput up to 921.6 kbps across all ports)
- Low Latency: Hardware buffering reduces transmission delays
- High Reliability: Error-free communication with parity and flow control options
- Scalability: Two cards per PC allow up to 16 serial ports
- Efficiency: Optimized for continuous operation in industrial environments
Limitations:
- RS232 communication distance limited to approximately 15 meters (50 feet) at standard baud rates
- Not suitable for RS422/RS485 differential signaling without additional converters
- Requires available system resources (IRQ, I/O address) for each port
8. Standards & Compliance
- Electrical Standard: EIA/TIA-232 (RS232)
- UART Standard: 16550-compatible
- Bus Interface Compliance: ISA/PCI/PCIe (depending on variant)
- EMC Compliance: Designed to meet CE and FCC Class A requirements for electromagnetic compatibility
- RoHS Compliance: Manufactured using lead-free, RoHS-compliant components
- Safety Standards: Conforms to applicable IEC and EN safety directives for electronic equipment
- Operating System Support: Compatible with Windows, Linux, and DOS environments (driver-dependent)
These compliance features ensure that the C128+ meets industrial and commercial regulatory requirements for safe and reliable operation in diverse environments.
9. Additional Information
Warranty:
Typically supplied with a 2-year limited warranty covering manufacturing defects and component failures under normal operating conditions. Extended warranty options may be available through the manufacturer or distributor.
Technical Support:
Comprehensive technical support is available, including driver updates, installation assistance, and troubleshooting guidance. Support channels may include online documentation, email support, and telephone assistance.
Maintenance:
The C128+ requires minimal maintenance. Periodic inspection of connectors and cables is recommended to ensure reliable electrical contact. Firmware or driver updates should be applied as released to maintain compatibility with new operating systems.
Software & Driver Updates:
Driver packages are provided for major operating systems and can be downloaded from the manufacturer’s website. Updates may include performance enhancements, bug fixes, and expanded OS compatibility.
Service & Replacement:
In the event of hardware failure, the card can be replaced under warranty or serviced by authorized repair centers. Replacement parts and accessories are typically available for long-term product support.
Lifecycle & Availability:
The C128+ is part of a long-term industrial product line, ensuring extended availability and consistent form factor for system integrators and OEMs. This stability makes it suitable for long-term deployment in industrial automation and embedded systems.
### Summary
The C128+ 8-Port RS232 Card 16550 is a robust, industrial-grade serial communication interface designed for systems requiring multiple asynchronous RS232 connections. With eight independent ports, each powered by a 16550 UART, it delivers reliable, high-speed data transfer for a wide range of industrial, commercial, and laboratory applications. Supporting up to two cards per PC, the C128+ offers scalability, flexibility, and long-term reliability. Its compliance with RS232 and industry standards, combined with ease of installation and broad OS compatibility, makes it an ideal solution for multi-device communication environments, automation systems, and legacy equipment integration.
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