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COM-8504
PCI Express 4-Port RS232 Card
69,00 EUR
inkl. Umsatzsteuer 82,11 EUR
- Four Independent RS232 Ports: Provides four fully functional RS232 serial interfaces for simultaneous communication with multiple serial devices.
- High-Speed Data Transfer: Supports baud rates up to 921.6 kBd, ensuring fast and reliable data transmission for demanding applications.
- Advanced UART Controller: Equipped with 16550-compatible UARTs featuring 128-byte FIFO buffers, minimizing CPU load and improving data throughput.
- PCI Express Interface: Utilizes the PCI Express bus standard for high-speed, low-latency communication with the host system.
- Compact Design: Compact PCB dimensions of 114 mm x 104 mm, suitable for standard and small form factor PCs.
- Low Power Requirement: Operates solely on 3.3V DC power supplied through the PCIe slot, eliminating the need for external power sources.
- 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.
- Scalable Configuration: Supports installation of up to four COM-8504 boards per PC, allowing expansion up to 16 serial ports in a single system.
- Industrial-Grade Reliability: Designed for continuous operation in industrial environments with robust electrical design and stable signal integrity.
- Plug-and-Play Compatibility: Fully compliant with PCI Express standards, ensuring easy installation and automatic resource allocation by the operating system.
- High-Speed Data Transfer: Supports baud rates up to 921.6 kBd, ensuring fast and reliable data transmission for demanding applications.
- Advanced UART Controller: Equipped with 16550-compatible UARTs featuring 128-byte FIFO buffers, minimizing CPU load and improving data throughput.
- PCI Express Interface: Utilizes the PCI Express bus standard for high-speed, low-latency communication with the host system.
- Compact Design: Compact PCB dimensions of 114 mm x 104 mm, suitable for standard and small form factor PCs.
- Low Power Requirement: Operates solely on 3.3V DC power supplied through the PCIe slot, eliminating the need for external power sources.
- 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.
- Scalable Configuration: Supports installation of up to four COM-8504 boards per PC, allowing expansion up to 16 serial ports in a single system.
- Industrial-Grade Reliability: Designed for continuous operation in industrial environments with robust electrical design and stable signal integrity.
- Plug-and-Play Compatibility: Fully compliant with PCI Express standards, ensuring easy installation and automatic resource allocation by the operating system.
1. Product Overview
Product Name: PCI Express 4-Port RS232 Card
Model: COM-8504
Series: COM Series – Industrial Communication Interface Cards
Article Number: COM-8504
Manufacturer: JS Automation
The JS Automation COM-8504 is a high-performance PCI Express (PCIe) communication interface card designed to provide four independent RS232 serial ports for industrial, commercial, and embedded computing applications. Engineered for reliability and efficiency, the COM-8504 enables seamless integration of multiple serial devices into modern computer systems that utilize PCI Express architecture. It is particularly suited for environments requiring stable, high-speed serial communication such as automation systems, data acquisition, instrumentation, and control systems.
2. Key Features
- Four Independent RS232 Ports: Provides four fully functional RS232 serial interfaces for simultaneous communication with multiple serial devices.
- High-Speed Data Transfer: Supports baud rates up to 921.6 kBd, ensuring fast and reliable data transmission for demanding applications.
- Advanced UART Controller: Equipped with 16550-compatible UARTs featuring 128-byte FIFO buffers, minimizing CPU load and improving data throughput.
- PCI Express Interface: Utilizes the PCI Express bus standard for high-speed, low-latency communication with the host system.
- Compact Design: Compact PCB dimensions of 114 mm x 104 mm, suitable for standard and small form factor PCs.
- Low Power Requirement: Operates solely on 3.3V DC power supplied through the PCIe slot, eliminating the need for external power sources.
- 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.
- Scalable Configuration: Supports installation of up to four COM-8504 boards per PC, allowing expansion up to 16 serial ports in a single system.
- Industrial-Grade Reliability: Designed for continuous operation in industrial environments with robust electrical design and stable signal integrity.
- Plug-and-Play Compatibility: Fully compliant with PCI Express standards, ensuring easy installation and automatic resource allocation by the operating system.
3. Technical Specifications
- Model: COM-8504
- Bus Interface: PCI Express (x1 lane, compatible with x1/x4/x8/x16 slots)
- Number of Ports: 4 independent RS232 serial ports
- UART Type: 16550-compatible UART with 128-byte FIFO buffer per channel
- Maximum Baud Rate: 921.6 kBd (configurable per port)
- Connector Type:
- 2 × DB9 male D-sub connectors on main bracket
- 2 × DB9 male D-sub connectors via SM23410 auxiliary bracket (for COM2 and COM3)
- Power Requirement: 3.3V DC (supplied via PCIe slot)
- Power Consumption: Low-power design (exact current draw dependent on system configuration)
- Dimensions: 114 mm (L) × 104 mm (H)
- Weight: Approx. 100–120 g (typical, including bracket)
- Operating Temperature: 0°C to +60°C (typical industrial range)
- Storage Temperature: -20°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Maximum Boards per System: 4
- Signal Levels: RS232 standard voltage levels (±12V typical)
- Material: Multi-layer PCB with gold-plated edge connector; metal mounting brackets (nickel-plated steel)
- Indicators: May include onboard status LEDs for port activity (depending on revision)
4. Functionality
The COM-8504 functions as a multi-port serial communication interface card that allows a host computer to communicate with up to four RS232-compatible devices simultaneously. Each port operates independently, supporting full-duplex asynchronous serial communication. The card’s 16550 UARTs with 128-byte FIFO buffers ensure smooth data flow even at high baud rates, reducing CPU overhead and preventing data loss during intensive communication tasks.
Use Cases and Applications:
- Industrial automation systems connecting PLCs, sensors, and controllers
- Data acquisition and monitoring systems
- Point-of-sale (POS) terminals and kiosks
- Laboratory instrumentation and test equipment
- Serial console access for servers, routers, and embedded systems
- Legacy device integration in modern PCs without native serial ports
Compatibility:
- Compatible with PCI Express slots (x1 and above) on desktop PCs, industrial PCs, and workstations.
- Supports major operating systems including Windows, Linux, and other OSs with standard serial port drivers.
- Backward compatible with legacy RS232 devices such as modems, barcode scanners, and serial printers.
5. Components & Accessories
Included Items:
- COM-8504 PCI Express 4-Port RS232 Card (main board)
- SM23410 auxiliary bracket providing two additional DB9 male connectors (for COM2 and COM3)
- Standard mounting bracket (pre-installed)
- Driver CD or downloadable driver package (depending on distribution)
- Quick installation guide or datasheet
Optional Accessories:
- Low-profile bracket (for small form factor PCs)
- DB9-to-DB25 adapter cables (for legacy equipment)
- RS232 extension cables
- Additional SM23410 brackets (for replacement or multi-board setups)
Connectors:
- DB9 male D-sub connectors (x4 total)
- PCI Express edge connector (x1 lane)
- Internal header for auxiliary bracket connection
6. Installation & Setup
Requirements:
- Available PCI Express slot (x1, x4, x8, or x16)
- Operating system with serial port driver support
- Basic screwdriver for bracket installation
Installation Steps:
1. Power off the computer and disconnect it from the power source.
2. Remove the system cover and locate an available PCI Express slot.
3. Insert the COM-8504 card firmly into the slot, ensuring proper alignment.
4. Secure the card with the bracket screw.
5. If using the auxiliary SM23410 bracket, connect the internal cable from the main card to the bracket header and mount the bracket in an adjacent slot opening.
6. Replace the system cover and power on the computer.
7. The operating system should automatically detect the new hardware. Install drivers if required.
8. Verify port functionality through the device manager or terminal software.
Configuration:
- Each port can be configured independently for baud rate, parity, data bits, and stop bits.
- COM port numbers are automatically assigned by the operating system but can be manually adjusted.
- Supports standard serial communication protocols and control signals (RTS, CTS, DTR, DSR, DCD, RI).
7. Performance & Capabilities
Speed:
- Supports baud rates from 50 bps up to 921.6 kBd, configurable per port.
- High-speed data transfer suitable for demanding industrial and communication applications.
Capacity:
- Four independent RS232 channels per card.
- Up to four cards per PC, enabling a total of 16 serial ports.
Efficiency:
- 128-byte FIFO buffers per UART minimize CPU load and prevent data overflow.
- PCI Express interface ensures high bandwidth and low latency communication.
Limitations:
- RS232 only (no RS422/RS485 support).
- Limited to 3.3V PCIe slots (not compatible with legacy 5V PCI slots).
- External power not supported; relies solely on PCIe power.
Reliability:
- Designed for continuous operation in industrial environments.
- Stable signal integrity and noise immunity for long cable runs (up to 15 meters typical for RS232).
8. Standards & Compliance
Interface Standards:
- PCI Express Base Specification Revision 1.1 or later
- RS232 (EIA/TIA-232-F) standard compliant
Electrical & Safety Compliance:
- CE (Conformité Européenne) compliant
- FCC Class B compliant (for electromagnetic compatibility)
- RoHS (Restriction of Hazardous Substances) compliant
- WEEE (Waste Electrical and Electronic Equipment) directive compliant
Industry Standards:
- UART 16550 compatibility ensures interoperability with standard serial communication software and drivers.
- Designed according to industrial-grade PCB and component standards for durability and longevity.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1–2 years, depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical support available through JS Automation’s customer service portal.
- Driver downloads, firmware updates, and documentation accessible online.
- Email and phone support for installation and troubleshooting assistance.
Maintenance:
- No regular maintenance required beyond standard dust cleaning and inspection.
- Ensure proper ventilation and avoid exposure to excessive heat or moisture.
- Periodic verification of connector integrity recommended for industrial environments.
Firmware & Software Updates:
- Drivers and firmware updates provided by JS Automation to ensure compatibility with new operating systems and hardware platforms.
- Backward compatibility maintained with previous driver versions.
Lifecycle & Availability:
- Long-term availability guaranteed for industrial customers requiring extended product lifecycle support.
- Replacement parts and accessories available through authorized distributors.
Summary
The JS Automation COM-8504 PCI Express 4-Port RS232 Card is a robust, high-speed serial communication solution designed for industrial and commercial applications requiring multiple RS232 interfaces. With four independent ports, 16550 UARTs, and 128-byte FIFOs, it delivers reliable, low-latency data transfer up to 921.6 kBd. Its PCI Express interface ensures compatibility with modern computer architectures, while its compact 114 × 104 mm design and 3.3V-only power requirement make it efficient and easy to integrate. The inclusion of the SM23410 auxiliary bracket expands connectivity, and support for up to four cards per system provides exceptional scalability. Fully compliant with PCIe and RS232 standards, and backed by JS Automation’s quality assurance, the COM-8504 is an ideal choice for industrial automation, data acquisition, and legacy device integration where dependable serial communication is essential.
Product Name: PCI Express 4-Port RS232 Card
Model: COM-8504
Series: COM Series – Industrial Communication Interface Cards
Article Number: COM-8504
Manufacturer: JS Automation
The JS Automation COM-8504 is a high-performance PCI Express (PCIe) communication interface card designed to provide four independent RS232 serial ports for industrial, commercial, and embedded computing applications. Engineered for reliability and efficiency, the COM-8504 enables seamless integration of multiple serial devices into modern computer systems that utilize PCI Express architecture. It is particularly suited for environments requiring stable, high-speed serial communication such as automation systems, data acquisition, instrumentation, and control systems.
2. Key Features
- Four Independent RS232 Ports: Provides four fully functional RS232 serial interfaces for simultaneous communication with multiple serial devices.
- High-Speed Data Transfer: Supports baud rates up to 921.6 kBd, ensuring fast and reliable data transmission for demanding applications.
- Advanced UART Controller: Equipped with 16550-compatible UARTs featuring 128-byte FIFO buffers, minimizing CPU load and improving data throughput.
- PCI Express Interface: Utilizes the PCI Express bus standard for high-speed, low-latency communication with the host system.
- Compact Design: Compact PCB dimensions of 114 mm x 104 mm, suitable for standard and small form factor PCs.
- Low Power Requirement: Operates solely on 3.3V DC power supplied through the PCIe slot, eliminating the need for external power sources.
- 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.
- Scalable Configuration: Supports installation of up to four COM-8504 boards per PC, allowing expansion up to 16 serial ports in a single system.
- Industrial-Grade Reliability: Designed for continuous operation in industrial environments with robust electrical design and stable signal integrity.
- Plug-and-Play Compatibility: Fully compliant with PCI Express standards, ensuring easy installation and automatic resource allocation by the operating system.
3. Technical Specifications
- Model: COM-8504
- Bus Interface: PCI Express (x1 lane, compatible with x1/x4/x8/x16 slots)
- Number of Ports: 4 independent RS232 serial ports
- UART Type: 16550-compatible UART with 128-byte FIFO buffer per channel
- Maximum Baud Rate: 921.6 kBd (configurable per port)
- Connector Type:
- 2 × DB9 male D-sub connectors on main bracket
- 2 × DB9 male D-sub connectors via SM23410 auxiliary bracket (for COM2 and COM3)
- Power Requirement: 3.3V DC (supplied via PCIe slot)
- Power Consumption: Low-power design (exact current draw dependent on system configuration)
- Dimensions: 114 mm (L) × 104 mm (H)
- Weight: Approx. 100–120 g (typical, including bracket)
- Operating Temperature: 0°C to +60°C (typical industrial range)
- Storage Temperature: -20°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Maximum Boards per System: 4
- Signal Levels: RS232 standard voltage levels (±12V typical)
- Material: Multi-layer PCB with gold-plated edge connector; metal mounting brackets (nickel-plated steel)
- Indicators: May include onboard status LEDs for port activity (depending on revision)
4. Functionality
The COM-8504 functions as a multi-port serial communication interface card that allows a host computer to communicate with up to four RS232-compatible devices simultaneously. Each port operates independently, supporting full-duplex asynchronous serial communication. The card’s 16550 UARTs with 128-byte FIFO buffers ensure smooth data flow even at high baud rates, reducing CPU overhead and preventing data loss during intensive communication tasks.
Use Cases and Applications:
- Industrial automation systems connecting PLCs, sensors, and controllers
- Data acquisition and monitoring systems
- Point-of-sale (POS) terminals and kiosks
- Laboratory instrumentation and test equipment
- Serial console access for servers, routers, and embedded systems
- Legacy device integration in modern PCs without native serial ports
Compatibility:
- Compatible with PCI Express slots (x1 and above) on desktop PCs, industrial PCs, and workstations.
- Supports major operating systems including Windows, Linux, and other OSs with standard serial port drivers.
- Backward compatible with legacy RS232 devices such as modems, barcode scanners, and serial printers.
5. Components & Accessories
Included Items:
- COM-8504 PCI Express 4-Port RS232 Card (main board)
- SM23410 auxiliary bracket providing two additional DB9 male connectors (for COM2 and COM3)
- Standard mounting bracket (pre-installed)
- Driver CD or downloadable driver package (depending on distribution)
- Quick installation guide or datasheet
Optional Accessories:
- Low-profile bracket (for small form factor PCs)
- DB9-to-DB25 adapter cables (for legacy equipment)
- RS232 extension cables
- Additional SM23410 brackets (for replacement or multi-board setups)
Connectors:
- DB9 male D-sub connectors (x4 total)
- PCI Express edge connector (x1 lane)
- Internal header for auxiliary bracket connection
6. Installation & Setup
Requirements:
- Available PCI Express slot (x1, x4, x8, or x16)
- Operating system with serial port driver support
- Basic screwdriver for bracket installation
Installation Steps:
1. Power off the computer and disconnect it from the power source.
2. Remove the system cover and locate an available PCI Express slot.
3. Insert the COM-8504 card firmly into the slot, ensuring proper alignment.
4. Secure the card with the bracket screw.
5. If using the auxiliary SM23410 bracket, connect the internal cable from the main card to the bracket header and mount the bracket in an adjacent slot opening.
6. Replace the system cover and power on the computer.
7. The operating system should automatically detect the new hardware. Install drivers if required.
8. Verify port functionality through the device manager or terminal software.
Configuration:
- Each port can be configured independently for baud rate, parity, data bits, and stop bits.
- COM port numbers are automatically assigned by the operating system but can be manually adjusted.
- Supports standard serial communication protocols and control signals (RTS, CTS, DTR, DSR, DCD, RI).
7. Performance & Capabilities
Speed:
- Supports baud rates from 50 bps up to 921.6 kBd, configurable per port.
- High-speed data transfer suitable for demanding industrial and communication applications.
Capacity:
- Four independent RS232 channels per card.
- Up to four cards per PC, enabling a total of 16 serial ports.
Efficiency:
- 128-byte FIFO buffers per UART minimize CPU load and prevent data overflow.
- PCI Express interface ensures high bandwidth and low latency communication.
Limitations:
- RS232 only (no RS422/RS485 support).
- Limited to 3.3V PCIe slots (not compatible with legacy 5V PCI slots).
- External power not supported; relies solely on PCIe power.
Reliability:
- Designed for continuous operation in industrial environments.
- Stable signal integrity and noise immunity for long cable runs (up to 15 meters typical for RS232).
8. Standards & Compliance
Interface Standards:
- PCI Express Base Specification Revision 1.1 or later
- RS232 (EIA/TIA-232-F) standard compliant
Electrical & Safety Compliance:
- CE (Conformité Européenne) compliant
- FCC Class B compliant (for electromagnetic compatibility)
- RoHS (Restriction of Hazardous Substances) compliant
- WEEE (Waste Electrical and Electronic Equipment) directive compliant
Industry Standards:
- UART 16550 compatibility ensures interoperability with standard serial communication software and drivers.
- Designed according to industrial-grade PCB and component standards for durability and longevity.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1–2 years, depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical support available through JS Automation’s customer service portal.
- Driver downloads, firmware updates, and documentation accessible online.
- Email and phone support for installation and troubleshooting assistance.
Maintenance:
- No regular maintenance required beyond standard dust cleaning and inspection.
- Ensure proper ventilation and avoid exposure to excessive heat or moisture.
- Periodic verification of connector integrity recommended for industrial environments.
Firmware & Software Updates:
- Drivers and firmware updates provided by JS Automation to ensure compatibility with new operating systems and hardware platforms.
- Backward compatibility maintained with previous driver versions.
Lifecycle & Availability:
- Long-term availability guaranteed for industrial customers requiring extended product lifecycle support.
- Replacement parts and accessories available through authorized distributors.
Summary
The JS Automation COM-8504 PCI Express 4-Port RS232 Card is a robust, high-speed serial communication solution designed for industrial and commercial applications requiring multiple RS232 interfaces. With four independent ports, 16550 UARTs, and 128-byte FIFOs, it delivers reliable, low-latency data transfer up to 921.6 kBd. Its PCI Express interface ensures compatibility with modern computer architectures, while its compact 114 × 104 mm design and 3.3V-only power requirement make it efficient and easy to integrate. The inclusion of the SM23410 auxiliary bracket expands connectivity, and support for up to four cards per system provides exceptional scalability. Fully compliant with PCIe and RS232 standards, and backed by JS Automation’s quality assurance, the COM-8504 is an ideal choice for industrial automation, data acquisition, and legacy device integration where dependable serial communication is essential.
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