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COM-8544
PCIe 4-port RS232/485 free selectable Card
108,00 EUR
including VAT 128.52 EUR
- Four Independent Serial Ports: Each of the four ports can be freely configured as RS-232, RS-422, or RS-485, offering maximum flexibility for mixed serial communication environments.
- PCI Express Interface: Utilizes the PCIe bus for high-speed data throughput and low latency, ensuring compatibility with modern PC architectures.
- High-Speed Communication: Supports data rates up to 921.6 kBd, suitable for demanding industrial and instrumentation applications.
- Advanced UART Controller: Equipped with 16550-compatible UARTs featuring 128-byte FIFO buffers per channel, minimizing CPU load and ensuring smooth data transmission even under heavy traffic.
- Flexible Connectivity: Includes two DB9 male D-sub connectors on the main bracket and an additional SM23410 bracket providing two more DB9 male connectors for COM2 and COM3.
- Multi-Board Support: Up to four COM-8544 cards can be installed in a single PC system, enabling expansion to 16 serial ports.
- Low Power Requirement: Operates solely on 3.3V DC supplied through the PCIe slot, eliminating the need for external power sources.
- Compact Design: Small form factor (114 mm × 104 mm) suitable for standard and compact PC enclosures.
- Industrial Reliability: Designed for continuous operation in industrial environments, ensuring stable communication and long-term durability.
- PCI Express Interface: Utilizes the PCIe bus for high-speed data throughput and low latency, ensuring compatibility with modern PC architectures.
- High-Speed Communication: Supports data rates up to 921.6 kBd, suitable for demanding industrial and instrumentation applications.
- Advanced UART Controller: Equipped with 16550-compatible UARTs featuring 128-byte FIFO buffers per channel, minimizing CPU load and ensuring smooth data transmission even under heavy traffic.
- Flexible Connectivity: Includes two DB9 male D-sub connectors on the main bracket and an additional SM23410 bracket providing two more DB9 male connectors for COM2 and COM3.
- Multi-Board Support: Up to four COM-8544 cards can be installed in a single PC system, enabling expansion to 16 serial ports.
- Low Power Requirement: Operates solely on 3.3V DC supplied through the PCIe slot, eliminating the need for external power sources.
- Compact Design: Small form factor (114 mm × 104 mm) suitable for standard and compact PC enclosures.
- Industrial Reliability: Designed for continuous operation in industrial environments, ensuring stable communication and long-term durability.
1. Product Overview
Product Name: PCIe 4-Port RS232/485 Free Selectable Card
Model: COM-8544
Series: COM Series Industrial Communication Interfaces
Article Number: COM-8544
Manufacturer: JS Automation
The JS Automation COM-8544 is a high-performance, multi-port serial communication interface card designed for industrial and embedded computing environments. It provides four independent serial ports that can be configured individually for RS-232, RS-422, or RS-485 communication modes. Built on the PCI Express (PCIe) architecture, the COM-8544 delivers reliable, high-speed data transfer and flexible connectivity for a wide range of serial devices. Its robust design, compact form factor, and selectable communication modes make it ideal for industrial automation, control systems, instrumentation, and data acquisition applications.
2. Key Features
- Four Independent Serial Ports: Each of the four ports can be freely configured as RS-232, RS-422, or RS-485, offering maximum flexibility for mixed serial communication environments.
- PCI Express Interface: Utilizes the PCIe bus for high-speed data throughput and low latency, ensuring compatibility with modern PC architectures.
- High-Speed Communication: Supports data rates up to 921.6 kBd, suitable for demanding industrial and instrumentation applications.
- Advanced UART Controller: Equipped with 16550-compatible UARTs featuring 128-byte FIFO buffers per channel, minimizing CPU load and ensuring smooth data transmission even under heavy traffic.
- Flexible Connectivity: Includes two DB9 male D-sub connectors on the main bracket and an additional SM23410 bracket providing two more DB9 male connectors for COM2 and COM3.
- Multi-Board Support: Up to four COM-8544 cards can be installed in a single PC system, enabling expansion to 16 serial ports.
- Low Power Requirement: Operates solely on 3.3V DC supplied through the PCIe slot, eliminating the need for external power sources.
- Compact Design: Small form factor (114 mm × 104 mm) suitable for standard and compact PC enclosures.
- Industrial Reliability: Designed for continuous operation in industrial environments, ensuring stable communication and long-term durability.
3. Technical Specifications
- Bus Interface: PCI Express (PCIe)
- Number of Ports: 4 independent serial ports
- Communication Modes: RS-232 / RS-422 / RS-485 (free selectable per channel)
- UART Type: 16550-compatible with 128-byte FIFO per channel
- Maximum Baud Rate: 921.6 kBd
- Connectors:
- 2 × DB9 male D-sub connectors on main bracket
- 1 × SM23410 auxiliary bracket providing 2 × DB9 male connectors for COM2 and COM3
- Maximum Number of Boards per System: 4
- Power Requirement: 3.3V DC (supplied via PCIe slot)
- Dimensions: 114 mm (L) × 104 mm (W)
- Weight: Approx. 120–150 g (typical, depending on bracket configuration)
- Operating Temperature: Typically 0°C to +60°C (industrial range may vary by configuration)
- Storage Temperature: -20°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Material: High-quality PCB with gold-plated edge connector; metal mounting brackets
- Form Factor: Standard PCI Express half-height compatible design
4. Functionality
The COM-8544 functions as a multi-protocol serial communication interface card that allows a host PC to communicate with a wide range of serial devices. Each of the four ports can be configured independently for RS-232, RS-422, or RS-485 operation, enabling simultaneous communication with devices using different serial standards.
- RS-232 Mode: Supports standard asynchronous serial communication for devices such as modems, barcode scanners, and legacy control equipment.
- RS-422 Mode: Provides differential signaling for long-distance, high-speed communication with industrial controllers, sensors, and data acquisition systems.
- RS-485 Mode: Enables multi-drop communication networks, allowing multiple devices to share a single communication bus, ideal for distributed control systems and automation networks.
Use Cases and Applications:
- Industrial automation and process control
- Machine-to-machine (M2M) communication
- SCADA (Supervisory Control and Data Acquisition) systems
- Laboratory instrumentation and test equipment
- POS (Point of Sale) and kiosk systems
- Embedded computing and industrial PCs
- Serial device integration in modern PCIe-based systems
Compatibility:
- Compatible with standard PCI Express slots (x1, x4, x8, x16)
- Supports major operating systems (Windows, Linux, and other OSs with appropriate drivers)
- Backward compatible with legacy serial communication protocols through software configuration
5. Components & Accessories
Included Items:
- COM-8544 PCIe 4-Port RS232/422/485 Card
- SM23410 auxiliary bracket with 2 × DB9 male connectors (for COM2 and COM3)
- Driver and utility software (on CD or downloadable package)
- Installation guide and documentation
Optional Accessories:
- DB9-to-terminal block adapters for field wiring
- DB9 extension cables
- Low-profile bracket (for compact PC cases)
- RS-485 termination resistors and biasing kits (for network optimization)
Connectors and Pinouts:
Each DB9 male connector provides standard pin assignments for RS-232, RS-422, or RS-485 operation. Configuration is typically managed via onboard jumpers or software settings, depending on the system design.
6. Installation & Setup
Requirements:
- Available PCI Express slot (x1 or higher)
- 3.3V DC power supplied through the PCIe interface
- Compatible operating system with driver support
Installation Steps:
1. Power off the host PC and disconnect it from the power source.
2. Insert the COM-8544 card into an available PCIe slot, ensuring a secure connection.
3. Attach the SM23410 bracket to an adjacent slot opening to provide access to COM2 and COM3 connectors.
4. Secure the card and bracket using the provided screws.
5. Power on the system and install the appropriate drivers.
6. Configure each port for RS-232, RS-422, or RS-485 operation as required.
7. Verify communication using the included diagnostic utilities or terminal software.
Mounting Options:
- Standard PCIe slot mounting with full-height bracket
- Optional low-profile bracket for compact or embedded systems
Configuration:
- Port mode selection (RS-232/422/485) via software or onboard jumpers
- Baud rate, parity, stop bits, and flow control configurable through driver settings
- Supports interrupt-driven and polled operation modes
7. Performance & Capabilities
Data Throughput:
- Up to 921.6 kBd per channel, supporting high-speed serial communication for demanding applications.
FIFO Buffering:
- 128-byte transmit and receive FIFOs per UART minimize data loss and reduce CPU overhead.
Latency and Efficiency:
- PCIe architecture ensures low-latency communication and efficient data handling.
- Multi-threaded driver support allows simultaneous operation of all four ports without performance degradation.
Capacity and Scalability:
- Up to four COM-8544 cards can be installed in a single system, providing up to 16 serial ports.
- Each port operates independently, allowing mixed protocol configurations.
Limitations:
- Requires 3.3V PCIe slot (not compatible with legacy 5V PCI slots).
- Maximum baud rate limited to 921.6 kBd (not suitable for ultra-high-speed serial applications beyond this threshold).
Reliability:
- Designed for continuous 24/7 operation in industrial environments.
- Robust electrical isolation and surge protection (depending on configuration) ensure stable communication.
8. Standards & Compliance
Electrical and Interface Standards:
- PCI Express Base Specification compliant
- RS-232 (EIA/TIA-232), RS-422 (EIA/TIA-422), and RS-485 (EIA/TIA-485) compliant
Regulatory Compliance:
- CE (Conformité Européenne) marking for electromagnetic compatibility and safety
- RoHS (Restriction of Hazardous Substances) compliant
- FCC Class B (for electromagnetic emissions)
- WEEE (Waste Electrical and Electronic Equipment) directive compliant
Industry Standards:
- UART 16550 compatibility ensures interoperability with standard serial communication software and drivers
- Compatible with industrial communication protocols such as Modbus RTU, ASCII, and proprietary serial protocols
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 2 years, depending on region and distributor) covering defects in materials and workmanship.
Technical Support:
- Comprehensive technical documentation, driver downloads, and configuration guides available from JS Automation’s support portal.
- Email and phone-based technical assistance for installation and troubleshooting.
Maintenance:
- No routine maintenance required beyond standard system care.
- Periodic inspection of connectors and cabling recommended for industrial environments.
Firmware and Software Updates:
- Driver and firmware updates provided periodically to ensure compatibility with new operating systems and hardware platforms.
- Backward-compatible driver architecture ensures long-term product support.
Environmental Considerations:
- Designed for energy-efficient operation with minimal power consumption (3.3V DC).
- Compliant with environmental directives for reduced hazardous materials.
Product Lifecycle and Availability:
- Long-term availability guaranteed for industrial customers, ensuring continuity in production and system integration.
- Replacement and upgrade options available within the JS Automation COM series product line.
Summary
The JS Automation COM-8544 PCIe 4-Port RS232/422/485 Free Selectable Card is a versatile, high-performance serial communication solution engineered for industrial and embedded applications. With four independently configurable ports, advanced UART buffering, and PCIe-based high-speed connectivity, it provides a reliable interface for a wide range of serial devices. Its compact design, low power requirement, and multi-board scalability make it an ideal choice for system integrators, OEMs, and industrial automation professionals seeking robust and flexible serial communication capabilities in modern computing environments.
Product Name: PCIe 4-Port RS232/485 Free Selectable Card
Model: COM-8544
Series: COM Series Industrial Communication Interfaces
Article Number: COM-8544
Manufacturer: JS Automation
The JS Automation COM-8544 is a high-performance, multi-port serial communication interface card designed for industrial and embedded computing environments. It provides four independent serial ports that can be configured individually for RS-232, RS-422, or RS-485 communication modes. Built on the PCI Express (PCIe) architecture, the COM-8544 delivers reliable, high-speed data transfer and flexible connectivity for a wide range of serial devices. Its robust design, compact form factor, and selectable communication modes make it ideal for industrial automation, control systems, instrumentation, and data acquisition applications.
2. Key Features
- Four Independent Serial Ports: Each of the four ports can be freely configured as RS-232, RS-422, or RS-485, offering maximum flexibility for mixed serial communication environments.
- PCI Express Interface: Utilizes the PCIe bus for high-speed data throughput and low latency, ensuring compatibility with modern PC architectures.
- High-Speed Communication: Supports data rates up to 921.6 kBd, suitable for demanding industrial and instrumentation applications.
- Advanced UART Controller: Equipped with 16550-compatible UARTs featuring 128-byte FIFO buffers per channel, minimizing CPU load and ensuring smooth data transmission even under heavy traffic.
- Flexible Connectivity: Includes two DB9 male D-sub connectors on the main bracket and an additional SM23410 bracket providing two more DB9 male connectors for COM2 and COM3.
- Multi-Board Support: Up to four COM-8544 cards can be installed in a single PC system, enabling expansion to 16 serial ports.
- Low Power Requirement: Operates solely on 3.3V DC supplied through the PCIe slot, eliminating the need for external power sources.
- Compact Design: Small form factor (114 mm × 104 mm) suitable for standard and compact PC enclosures.
- Industrial Reliability: Designed for continuous operation in industrial environments, ensuring stable communication and long-term durability.
3. Technical Specifications
- Bus Interface: PCI Express (PCIe)
- Number of Ports: 4 independent serial ports
- Communication Modes: RS-232 / RS-422 / RS-485 (free selectable per channel)
- UART Type: 16550-compatible with 128-byte FIFO per channel
- Maximum Baud Rate: 921.6 kBd
- Connectors:
- 2 × DB9 male D-sub connectors on main bracket
- 1 × SM23410 auxiliary bracket providing 2 × DB9 male connectors for COM2 and COM3
- Maximum Number of Boards per System: 4
- Power Requirement: 3.3V DC (supplied via PCIe slot)
- Dimensions: 114 mm (L) × 104 mm (W)
- Weight: Approx. 120–150 g (typical, depending on bracket configuration)
- Operating Temperature: Typically 0°C to +60°C (industrial range may vary by configuration)
- Storage Temperature: -20°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Material: High-quality PCB with gold-plated edge connector; metal mounting brackets
- Form Factor: Standard PCI Express half-height compatible design
4. Functionality
The COM-8544 functions as a multi-protocol serial communication interface card that allows a host PC to communicate with a wide range of serial devices. Each of the four ports can be configured independently for RS-232, RS-422, or RS-485 operation, enabling simultaneous communication with devices using different serial standards.
- RS-232 Mode: Supports standard asynchronous serial communication for devices such as modems, barcode scanners, and legacy control equipment.
- RS-422 Mode: Provides differential signaling for long-distance, high-speed communication with industrial controllers, sensors, and data acquisition systems.
- RS-485 Mode: Enables multi-drop communication networks, allowing multiple devices to share a single communication bus, ideal for distributed control systems and automation networks.
Use Cases and Applications:
- Industrial automation and process control
- Machine-to-machine (M2M) communication
- SCADA (Supervisory Control and Data Acquisition) systems
- Laboratory instrumentation and test equipment
- POS (Point of Sale) and kiosk systems
- Embedded computing and industrial PCs
- Serial device integration in modern PCIe-based systems
Compatibility:
- Compatible with standard PCI Express slots (x1, x4, x8, x16)
- Supports major operating systems (Windows, Linux, and other OSs with appropriate drivers)
- Backward compatible with legacy serial communication protocols through software configuration
5. Components & Accessories
Included Items:
- COM-8544 PCIe 4-Port RS232/422/485 Card
- SM23410 auxiliary bracket with 2 × DB9 male connectors (for COM2 and COM3)
- Driver and utility software (on CD or downloadable package)
- Installation guide and documentation
Optional Accessories:
- DB9-to-terminal block adapters for field wiring
- DB9 extension cables
- Low-profile bracket (for compact PC cases)
- RS-485 termination resistors and biasing kits (for network optimization)
Connectors and Pinouts:
Each DB9 male connector provides standard pin assignments for RS-232, RS-422, or RS-485 operation. Configuration is typically managed via onboard jumpers or software settings, depending on the system design.
6. Installation & Setup
Requirements:
- Available PCI Express slot (x1 or higher)
- 3.3V DC power supplied through the PCIe interface
- Compatible operating system with driver support
Installation Steps:
1. Power off the host PC and disconnect it from the power source.
2. Insert the COM-8544 card into an available PCIe slot, ensuring a secure connection.
3. Attach the SM23410 bracket to an adjacent slot opening to provide access to COM2 and COM3 connectors.
4. Secure the card and bracket using the provided screws.
5. Power on the system and install the appropriate drivers.
6. Configure each port for RS-232, RS-422, or RS-485 operation as required.
7. Verify communication using the included diagnostic utilities or terminal software.
Mounting Options:
- Standard PCIe slot mounting with full-height bracket
- Optional low-profile bracket for compact or embedded systems
Configuration:
- Port mode selection (RS-232/422/485) via software or onboard jumpers
- Baud rate, parity, stop bits, and flow control configurable through driver settings
- Supports interrupt-driven and polled operation modes
7. Performance & Capabilities
Data Throughput:
- Up to 921.6 kBd per channel, supporting high-speed serial communication for demanding applications.
FIFO Buffering:
- 128-byte transmit and receive FIFOs per UART minimize data loss and reduce CPU overhead.
Latency and Efficiency:
- PCIe architecture ensures low-latency communication and efficient data handling.
- Multi-threaded driver support allows simultaneous operation of all four ports without performance degradation.
Capacity and Scalability:
- Up to four COM-8544 cards can be installed in a single system, providing up to 16 serial ports.
- Each port operates independently, allowing mixed protocol configurations.
Limitations:
- Requires 3.3V PCIe slot (not compatible with legacy 5V PCI slots).
- Maximum baud rate limited to 921.6 kBd (not suitable for ultra-high-speed serial applications beyond this threshold).
Reliability:
- Designed for continuous 24/7 operation in industrial environments.
- Robust electrical isolation and surge protection (depending on configuration) ensure stable communication.
8. Standards & Compliance
Electrical and Interface Standards:
- PCI Express Base Specification compliant
- RS-232 (EIA/TIA-232), RS-422 (EIA/TIA-422), and RS-485 (EIA/TIA-485) compliant
Regulatory Compliance:
- CE (Conformité Européenne) marking for electromagnetic compatibility and safety
- RoHS (Restriction of Hazardous Substances) compliant
- FCC Class B (for electromagnetic emissions)
- WEEE (Waste Electrical and Electronic Equipment) directive compliant
Industry Standards:
- UART 16550 compatibility ensures interoperability with standard serial communication software and drivers
- Compatible with industrial communication protocols such as Modbus RTU, ASCII, and proprietary serial protocols
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 2 years, depending on region and distributor) covering defects in materials and workmanship.
Technical Support:
- Comprehensive technical documentation, driver downloads, and configuration guides available from JS Automation’s support portal.
- Email and phone-based technical assistance for installation and troubleshooting.
Maintenance:
- No routine maintenance required beyond standard system care.
- Periodic inspection of connectors and cabling recommended for industrial environments.
Firmware and Software Updates:
- Driver and firmware updates provided periodically to ensure compatibility with new operating systems and hardware platforms.
- Backward-compatible driver architecture ensures long-term product support.
Environmental Considerations:
- Designed for energy-efficient operation with minimal power consumption (3.3V DC).
- Compliant with environmental directives for reduced hazardous materials.
Product Lifecycle and Availability:
- Long-term availability guaranteed for industrial customers, ensuring continuity in production and system integration.
- Replacement and upgrade options available within the JS Automation COM series product line.
Summary
The JS Automation COM-8544 PCIe 4-Port RS232/422/485 Free Selectable Card is a versatile, high-performance serial communication solution engineered for industrial and embedded applications. With four independently configurable ports, advanced UART buffering, and PCIe-based high-speed connectivity, it provides a reliable interface for a wide range of serial devices. Its compact design, low power requirement, and multi-board scalability make it an ideal choice for system integrators, OEMs, and industrial automation professionals seeking robust and flexible serial communication capabilities in modern computing environments.
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com85xx.pdf
PDF Catalog
- SM23410 - bracket 2*10pin flat 2*DB9m
