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- Single-Port RS-232 Interface: Provides one standard RS-232 serial communication port for connecting serial devices such as modems, sensors, controllers, and terminals.
- Advanced UART Controller: Equipped with a 16650 UART featuring a 32-byte FIFO buffer, enabling smooth data flow and minimizing CPU load during high-speed data transfers.
- High Data Rate Support: Supports baud rates up to 460.8 kbps, ensuring compatibility with both standard and high-speed serial communication requirements.
- Flexible Resource Configuration: Supports COM1–COM8 port addressing and selectable IRQ lines (IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, IRQ12, IRQ15) for flexible system integration.
- ISA Bus Interface: Designed for systems utilizing the ISA (Industry Standard Architecture) bus, ensuring compatibility with legacy industrial PCs and embedded systems.
- Compact Form Factor: With dimensions of 157 mm × 58 mm, the card fits easily into standard ISA slots without obstructing adjacent components.
- Industrial Reliability: Built with high-quality components for long-term operation in industrial environments, offering stable performance under continuous use.
- Plug-and-Play Configuration: Simplified setup through jumper or DIP switch configuration for port and IRQ selection.
- Broad Compatibility: Works with a wide range of operating systems and legacy software that support standard COM port communication.
- Advanced UART Controller: Equipped with a 16650 UART featuring a 32-byte FIFO buffer, enabling smooth data flow and minimizing CPU load during high-speed data transfers.
- High Data Rate Support: Supports baud rates up to 460.8 kbps, ensuring compatibility with both standard and high-speed serial communication requirements.
- Flexible Resource Configuration: Supports COM1–COM8 port addressing and selectable IRQ lines (IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, IRQ12, IRQ15) for flexible system integration.
- ISA Bus Interface: Designed for systems utilizing the ISA (Industry Standard Architecture) bus, ensuring compatibility with legacy industrial PCs and embedded systems.
- Compact Form Factor: With dimensions of 157 mm × 58 mm, the card fits easily into standard ISA slots without obstructing adjacent components.
- Industrial Reliability: Built with high-quality components for long-term operation in industrial environments, offering stable performance under continuous use.
- Plug-and-Play Configuration: Simplified setup through jumper or DIP switch configuration for port and IRQ selection.
- Broad Compatibility: Works with a wide range of operating systems and legacy software that support standard COM port communication.
1. Product Overview
Product Name: 1-Port RS232 ISA Card 16650 32 Byte
Model: SX-4022
Series: SX Series Industrial Communication Cards
Article Number: SX-4022
Manufacturer: Sunix
The Sunix SX-4022 is a high-performance industrial communication interface card designed to provide a single RS-232 serial port through the legacy ISA bus architecture. Engineered for compatibility with a wide range of industrial control systems, embedded PCs, and legacy computing environments, the SX-4022 integrates a 16650 UART controller with a 32-byte FIFO buffer to ensure reliable, high-speed serial data transmission. This card is optimized for applications requiring stable and efficient serial communication, such as automation systems, instrumentation, and data acquisition devices.
2. Key Features
- Single-Port RS-232 Interface: Provides one standard RS-232 serial communication port for connecting serial devices such as modems, sensors, controllers, and terminals.
- Advanced UART Controller: Equipped with a 16650 UART featuring a 32-byte FIFO buffer, enabling smooth data flow and minimizing CPU load during high-speed data transfers.
- High Data Rate Support: Supports baud rates up to 460.8 kbps, ensuring compatibility with both standard and high-speed serial communication requirements.
- Flexible Resource Configuration: Supports COM1–COM8 port addressing and selectable IRQ lines (IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, IRQ12, IRQ15) for flexible system integration.
- ISA Bus Interface: Designed for systems utilizing the ISA (Industry Standard Architecture) bus, ensuring compatibility with legacy industrial PCs and embedded systems.
- Compact Form Factor: With dimensions of 157 mm × 58 mm, the card fits easily into standard ISA slots without obstructing adjacent components.
- Industrial Reliability: Built with high-quality components for long-term operation in industrial environments, offering stable performance under continuous use.
- Plug-and-Play Configuration: Simplified setup through jumper or DIP switch configuration for port and IRQ selection.
- Broad Compatibility: Works with a wide range of operating systems and legacy software that support standard COM port communication.
3. Technical Specifications
- Bus Interface: ISA (Industry Standard Architecture)
- Number of Ports: 1
- Interface Type: RS-232 (asynchronous serial communication)
- UART Controller: 16650 UART with 32-byte FIFO buffer
- Baud Rate: Up to 460.8 kbps (460,800 bits per second)
- Port Address Range: COM1–COM8 selectable
- Interrupt Request Lines (IRQ): Selectable from IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, IRQ12, IRQ15
- Connector Type: Standard DB9 male connector (typical for RS-232 interface)
- Dimensions: 157 mm (length) × 58 mm (height)
- Weight: Approximately 80–100 g (typical for ISA cards of this size)
- Operating Voltage: +5 V DC (supplied via ISA bus)
- Power Consumption: Low power design, typically <1 W
- Operating Temperature: 0°C to 55°C (typical industrial operating range)
- Storage Temperature: -20°C to 85°C
- Relative Humidity: 5%–95% non-condensing
- Material: Multi-layer PCB with gold-plated edge connector and metal bracket
- Color: Green PCB with silver mounting bracket
4. Functionality
The Sunix SX-4022 functions as a serial communication interface card that allows a computer system equipped with an ISA bus to communicate with external RS-232 devices. The onboard 16650 UART controller manages serial data transmission and reception, using its 32-byte FIFO buffer to reduce CPU overhead and prevent data loss during high-speed communication.
Typical Use Cases:
- Industrial automation systems requiring serial communication with PLCs, sensors, or controllers.
- Legacy equipment integration where ISA-based systems are still in operation.
- Data acquisition systems that rely on RS-232 interfaces for sensor input.
- Laboratory instrumentation and test equipment communication.
- Embedded systems and control panels using serial devices.
Compatibility:
- Compatible with standard RS-232 devices and communication protocols.
- Works with operating systems that support ISA-based COM ports (e.g., DOS, Windows 95/98/NT/2000/XP, and certain Linux distributions with ISA support).
- Can be configured to emulate standard COM ports for software compatibility.
5. Components & Accessories
Included Items:
- Sunix SX-4022 ISA card (1-port RS-232)
- Metal mounting bracket (pre-installed)
- User manual or quick installation guide (depending on packaging)
Optional Accessories:
- RS-232 extension cable (DB9 male-to-female)
- Null modem adapter (for direct PC-to-PC communication)
- ISA slot mounting screws (if not included with chassis)
Connectors:
- External Connector: 1 × DB9 male connector for RS-232 interface
- Internal Connector: ISA edge connector for bus interface
- Configuration Interface: Jumper or DIP switch block for COM port and IRQ selection
6. Installation & Setup
System Requirements:
- Available ISA slot (8-bit or 16-bit compatible)
- Compatible motherboard supporting ISA bus
- Operating system with serial port driver support
Installation Steps:
1. Power off the computer and disconnect it from the power source.
2. Remove the system cover to access the ISA slots.
3. Insert the SX-4022 card into an available ISA slot, ensuring proper alignment of the edge connector.
4. Secure the card using the mounting screw on the bracket.
5. Configure the COM port address and IRQ settings using the onboard jumpers or DIP switches according to system requirements.
6. Replace the system cover and reconnect power.
7. Boot the system and verify that the new COM port is recognized.
8. Install any necessary drivers or configure the operating system to use the new serial port.
Mounting Options:
- Standard horizontal mounting in desktop or rackmount industrial PCs.
- Compatible with full-height ISA slots.
Configuration:
- Manual configuration via jumpers or DIP switches for port address and IRQ selection.
- Supports standard COM1–COM8 address mapping for compatibility with legacy software.
7. Performance & Capabilities
The SX-4022 delivers stable and efficient serial communication performance suitable for both low-speed and high-speed data transfer applications.
Performance Highlights:
- Data Rate: Up to 460.8 kbps, supporting both standard (e.g., 9600, 19200, 115200 bps) and extended baud rates.
- FIFO Buffer: 32-byte transmit and receive buffers reduce CPU interrupts and improve throughput.
- Signal Integrity: High-quality PCB design minimizes electrical noise and ensures reliable data transmission over long cable runs.
- Latency: Low interrupt latency due to efficient UART buffering and ISA bus timing.
- Compatibility: Fully compatible with standard RS-232 signaling levels (±12 V typical).
Limitations:
- Limited to one serial port per card.
- Requires ISA slot availability, which may not be present in modern systems.
- Manual configuration required (no automatic Plug-and-Play).
Efficiency:
- Optimized for low CPU utilization during serial communication.
- FIFO buffering minimizes data loss and improves multitasking performance.
8. Standards & Compliance
Electrical & Interface Standards:
- Complies with RS-232 (EIA/TIA-232) serial communication standard.
- ISA bus interface compliant with Industry Standard Architecture specifications.
Regulatory Compliance:
- CE compliant (Electromagnetic Compatibility Directive)
- FCC Class B compliant (for home and office use)
- RoHS compliant (Restriction of Hazardous Substances)
Industry Standards:
- UART 16650 compatible with standard serial communication protocols.
- Compatible with legacy COM port addressing conventions.
Safety & Environmental:
- Designed and manufactured in accordance with ISO 9001 quality management standards.
- Lead-free soldering and environmentally responsible materials.
9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically 1–2 years, depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Technical Support:
- Provided by Sunix through online resources, documentation, and technical assistance channels.
- Firmware and driver updates available from the manufacturer’s website.
Maintenance:
- No regular maintenance required beyond standard dust cleaning and connector inspection.
- Ensure proper ventilation and avoid exposure to excessive humidity or vibration.
Software & Driver Updates:
- Compatible with standard serial port drivers included in most operating systems.
- Optional driver packages available for enhanced configuration or diagnostic utilities.
Service & Replacement:
- Field-replaceable unit; can be easily swapped in case of failure.
- Replacement parts and accessories available through authorized Sunix distributors.
Lifecycle & Availability:
- Designed for long-term availability to support industrial and embedded system lifecycles.
- Backward compatibility ensures continued use in legacy systems.
Summary
The Sunix SX-4022 1-Port RS-232 ISA Card (16650 32 Byte) is a robust, industrial-grade communication interface designed for reliable serial connectivity in legacy and embedded computing environments. Featuring a 16650 UART with a 32-byte FIFO buffer, it supports high-speed data transfer up to 460.8 kbps while maintaining low CPU overhead. Its flexible configuration options (COM1–COM8, IRQ3–15) and compact 157 × 58 mm form factor make it ideal for industrial automation, instrumentation, and control applications where ISA bus systems remain in use.
With compliance to RS-232, CE, FCC, and RoHS standards, the SX-4022 ensures dependable performance, safety, and environmental responsibility. Backed by Sunix’s reputation for quality and support, this card provides a reliable solution for extending the life and functionality of ISA-based systems requiring stable serial communication.
Product Name: 1-Port RS232 ISA Card 16650 32 Byte
Model: SX-4022
Series: SX Series Industrial Communication Cards
Article Number: SX-4022
Manufacturer: Sunix
The Sunix SX-4022 is a high-performance industrial communication interface card designed to provide a single RS-232 serial port through the legacy ISA bus architecture. Engineered for compatibility with a wide range of industrial control systems, embedded PCs, and legacy computing environments, the SX-4022 integrates a 16650 UART controller with a 32-byte FIFO buffer to ensure reliable, high-speed serial data transmission. This card is optimized for applications requiring stable and efficient serial communication, such as automation systems, instrumentation, and data acquisition devices.
2. Key Features
- Single-Port RS-232 Interface: Provides one standard RS-232 serial communication port for connecting serial devices such as modems, sensors, controllers, and terminals.
- Advanced UART Controller: Equipped with a 16650 UART featuring a 32-byte FIFO buffer, enabling smooth data flow and minimizing CPU load during high-speed data transfers.
- High Data Rate Support: Supports baud rates up to 460.8 kbps, ensuring compatibility with both standard and high-speed serial communication requirements.
- Flexible Resource Configuration: Supports COM1–COM8 port addressing and selectable IRQ lines (IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, IRQ12, IRQ15) for flexible system integration.
- ISA Bus Interface: Designed for systems utilizing the ISA (Industry Standard Architecture) bus, ensuring compatibility with legacy industrial PCs and embedded systems.
- Compact Form Factor: With dimensions of 157 mm × 58 mm, the card fits easily into standard ISA slots without obstructing adjacent components.
- Industrial Reliability: Built with high-quality components for long-term operation in industrial environments, offering stable performance under continuous use.
- Plug-and-Play Configuration: Simplified setup through jumper or DIP switch configuration for port and IRQ selection.
- Broad Compatibility: Works with a wide range of operating systems and legacy software that support standard COM port communication.
3. Technical Specifications
- Bus Interface: ISA (Industry Standard Architecture)
- Number of Ports: 1
- Interface Type: RS-232 (asynchronous serial communication)
- UART Controller: 16650 UART with 32-byte FIFO buffer
- Baud Rate: Up to 460.8 kbps (460,800 bits per second)
- Port Address Range: COM1–COM8 selectable
- Interrupt Request Lines (IRQ): Selectable from IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, IRQ12, IRQ15
- Connector Type: Standard DB9 male connector (typical for RS-232 interface)
- Dimensions: 157 mm (length) × 58 mm (height)
- Weight: Approximately 80–100 g (typical for ISA cards of this size)
- Operating Voltage: +5 V DC (supplied via ISA bus)
- Power Consumption: Low power design, typically <1 W
- Operating Temperature: 0°C to 55°C (typical industrial operating range)
- Storage Temperature: -20°C to 85°C
- Relative Humidity: 5%–95% non-condensing
- Material: Multi-layer PCB with gold-plated edge connector and metal bracket
- Color: Green PCB with silver mounting bracket
4. Functionality
The Sunix SX-4022 functions as a serial communication interface card that allows a computer system equipped with an ISA bus to communicate with external RS-232 devices. The onboard 16650 UART controller manages serial data transmission and reception, using its 32-byte FIFO buffer to reduce CPU overhead and prevent data loss during high-speed communication.
Typical Use Cases:
- Industrial automation systems requiring serial communication with PLCs, sensors, or controllers.
- Legacy equipment integration where ISA-based systems are still in operation.
- Data acquisition systems that rely on RS-232 interfaces for sensor input.
- Laboratory instrumentation and test equipment communication.
- Embedded systems and control panels using serial devices.
Compatibility:
- Compatible with standard RS-232 devices and communication protocols.
- Works with operating systems that support ISA-based COM ports (e.g., DOS, Windows 95/98/NT/2000/XP, and certain Linux distributions with ISA support).
- Can be configured to emulate standard COM ports for software compatibility.
5. Components & Accessories
Included Items:
- Sunix SX-4022 ISA card (1-port RS-232)
- Metal mounting bracket (pre-installed)
- User manual or quick installation guide (depending on packaging)
Optional Accessories:
- RS-232 extension cable (DB9 male-to-female)
- Null modem adapter (for direct PC-to-PC communication)
- ISA slot mounting screws (if not included with chassis)
Connectors:
- External Connector: 1 × DB9 male connector for RS-232 interface
- Internal Connector: ISA edge connector for bus interface
- Configuration Interface: Jumper or DIP switch block for COM port and IRQ selection
6. Installation & Setup
System Requirements:
- Available ISA slot (8-bit or 16-bit compatible)
- Compatible motherboard supporting ISA bus
- Operating system with serial port driver support
Installation Steps:
1. Power off the computer and disconnect it from the power source.
2. Remove the system cover to access the ISA slots.
3. Insert the SX-4022 card into an available ISA slot, ensuring proper alignment of the edge connector.
4. Secure the card using the mounting screw on the bracket.
5. Configure the COM port address and IRQ settings using the onboard jumpers or DIP switches according to system requirements.
6. Replace the system cover and reconnect power.
7. Boot the system and verify that the new COM port is recognized.
8. Install any necessary drivers or configure the operating system to use the new serial port.
Mounting Options:
- Standard horizontal mounting in desktop or rackmount industrial PCs.
- Compatible with full-height ISA slots.
Configuration:
- Manual configuration via jumpers or DIP switches for port address and IRQ selection.
- Supports standard COM1–COM8 address mapping for compatibility with legacy software.
7. Performance & Capabilities
The SX-4022 delivers stable and efficient serial communication performance suitable for both low-speed and high-speed data transfer applications.
Performance Highlights:
- Data Rate: Up to 460.8 kbps, supporting both standard (e.g., 9600, 19200, 115200 bps) and extended baud rates.
- FIFO Buffer: 32-byte transmit and receive buffers reduce CPU interrupts and improve throughput.
- Signal Integrity: High-quality PCB design minimizes electrical noise and ensures reliable data transmission over long cable runs.
- Latency: Low interrupt latency due to efficient UART buffering and ISA bus timing.
- Compatibility: Fully compatible with standard RS-232 signaling levels (±12 V typical).
Limitations:
- Limited to one serial port per card.
- Requires ISA slot availability, which may not be present in modern systems.
- Manual configuration required (no automatic Plug-and-Play).
Efficiency:
- Optimized for low CPU utilization during serial communication.
- FIFO buffering minimizes data loss and improves multitasking performance.
8. Standards & Compliance
Electrical & Interface Standards:
- Complies with RS-232 (EIA/TIA-232) serial communication standard.
- ISA bus interface compliant with Industry Standard Architecture specifications.
Regulatory Compliance:
- CE compliant (Electromagnetic Compatibility Directive)
- FCC Class B compliant (for home and office use)
- RoHS compliant (Restriction of Hazardous Substances)
Industry Standards:
- UART 16650 compatible with standard serial communication protocols.
- Compatible with legacy COM port addressing conventions.
Safety & Environmental:
- Designed and manufactured in accordance with ISO 9001 quality management standards.
- Lead-free soldering and environmentally responsible materials.
9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically 1–2 years, depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Technical Support:
- Provided by Sunix through online resources, documentation, and technical assistance channels.
- Firmware and driver updates available from the manufacturer’s website.
Maintenance:
- No regular maintenance required beyond standard dust cleaning and connector inspection.
- Ensure proper ventilation and avoid exposure to excessive humidity or vibration.
Software & Driver Updates:
- Compatible with standard serial port drivers included in most operating systems.
- Optional driver packages available for enhanced configuration or diagnostic utilities.
Service & Replacement:
- Field-replaceable unit; can be easily swapped in case of failure.
- Replacement parts and accessories available through authorized Sunix distributors.
Lifecycle & Availability:
- Designed for long-term availability to support industrial and embedded system lifecycles.
- Backward compatibility ensures continued use in legacy systems.
Summary
The Sunix SX-4022 1-Port RS-232 ISA Card (16650 32 Byte) is a robust, industrial-grade communication interface designed for reliable serial connectivity in legacy and embedded computing environments. Featuring a 16650 UART with a 32-byte FIFO buffer, it supports high-speed data transfer up to 460.8 kbps while maintaining low CPU overhead. Its flexible configuration options (COM1–COM8, IRQ3–15) and compact 157 × 58 mm form factor make it ideal for industrial automation, instrumentation, and control applications where ISA bus systems remain in use.
With compliance to RS-232, CE, FCC, and RoHS standards, the SX-4022 ensures dependable performance, safety, and environmental responsibility. Backed by Sunix’s reputation for quality and support, this card provides a reliable solution for extending the life and functionality of ISA-based systems requiring stable serial communication.
No manuals/catalogs available.
No accessories available.
