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IF108
8-port isolated RS232 DB9m connector box
160,00 EUR
including VAT 190.40 EUR
- Eight Ground-Isolated RS232 Ports: Each of the eight ports is individually isolated to prevent ground loop interference and ensure stable communication in electrically noisy environments.
- Built-in FIFO Type UART Controller: Incorporates the 16C554 advanced FIFO (First-In-First-Out) UART controller chip, providing efficient buffering and minimizing data loss during high-speed communication.
- Full Hardware Control Line Support: Fully compliant with RS232C standards, supporting all standard control signals (RTS, CTS, DTR, DSR, DCD, RI).
- Daisy-Chain Expandability: Supports daisy-chaining via DB37 connectors, allowing multiple boxes to be linked together to expand the number of available serial ports—up to 32 ports per system.
- Compatibility with Rayon Multiport Cards: Designed to interface seamlessly with P640NU and IOP3927F intelligent multiport cards, enabling flexible system configurations.
- Compact and Durable Design: Housed in a robust enclosure measuring 268 × 128 × 38 mm, suitable for desktop or rack-mounted installations.
- Ground Isolation: Each port is galvanically isolated, enhancing system reliability and protecting connected devices from electrical surges or potential differences.
- Flexible System Integration: Ideal for industrial automation, data acquisition, instrumentation, and communication control systems requiring multiple isolated serial connections.
- Built-in FIFO Type UART Controller: Incorporates the 16C554 advanced FIFO (First-In-First-Out) UART controller chip, providing efficient buffering and minimizing data loss during high-speed communication.
- Full Hardware Control Line Support: Fully compliant with RS232C standards, supporting all standard control signals (RTS, CTS, DTR, DSR, DCD, RI).
- Daisy-Chain Expandability: Supports daisy-chaining via DB37 connectors, allowing multiple boxes to be linked together to expand the number of available serial ports—up to 32 ports per system.
- Compatibility with Rayon Multiport Cards: Designed to interface seamlessly with P640NU and IOP3927F intelligent multiport cards, enabling flexible system configurations.
- Compact and Durable Design: Housed in a robust enclosure measuring 268 × 128 × 38 mm, suitable for desktop or rack-mounted installations.
- Ground Isolation: Each port is galvanically isolated, enhancing system reliability and protecting connected devices from electrical surges or potential differences.
- Flexible System Integration: Ideal for industrial automation, data acquisition, instrumentation, and communication control systems requiring multiple isolated serial connections.
1. Product Overview
Product Name: IF108 RS232C Connector Box
Model: IF108
Series: IF Series (includes IF108, IF208, IF308)
Article Number: IF108
Manufacturer: Rayon Technology Co., Ltd.
Product Type: 8-Port Ground-Isolated RS232 Connector Box
Country of Origin: Taiwan
The Rayon IF108 is a professional-grade 8-port isolated RS232 DB9 male connector box designed for industrial and commercial serial communication applications. It is part of Rayon’s IF-series modular communication interface family, which also includes the IF208 (RS422/RS485) and IF308 (RS232/RS422/RS485) models. The IF108 provides robust, ground-isolated RS232 connectivity with full hardware control line support, ensuring reliable data transmission and protection against ground loops and electrical interference.
2. Key Features
- Eight Ground-Isolated RS232 Ports: Each of the eight ports is individually isolated to prevent ground loop interference and ensure stable communication in electrically noisy environments.
- Built-in FIFO Type UART Controller: Incorporates the 16C554 advanced FIFO (First-In-First-Out) UART controller chip, providing efficient buffering and minimizing data loss during high-speed communication.
- Full Hardware Control Line Support: Fully compliant with RS232C standards, supporting all standard control signals (RTS, CTS, DTR, DSR, DCD, RI).
- Daisy-Chain Expandability: Supports daisy-chaining via DB37 connectors, allowing multiple boxes to be linked together to expand the number of available serial ports—up to 32 ports per system.
- Compatibility with Rayon Multiport Cards: Designed to interface seamlessly with P640NU and IOP3927F intelligent multiport cards, enabling flexible system configurations.
- Compact and Durable Design: Housed in a robust enclosure measuring 268 × 128 × 38 mm, suitable for desktop or rack-mounted installations.
- Ground Isolation: Each port is galvanically isolated, enhancing system reliability and protecting connected devices from electrical surges or potential differences.
- Flexible System Integration: Ideal for industrial automation, data acquisition, instrumentation, and communication control systems requiring multiple isolated serial connections.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | IF108 |
| Interface Type | RS232C (Ground Isolated) |
| Number of Ports | 8 |
| Connector Type | DB9 Male (per port) |
| Controller Chip | FIFO Type 16C554 UART |
| Isolation Type | Ground Isolation per Port |
| Daisy Chain Interface | DB37 Male Output / DB37 Female Input |
| Dimensions | 268 mm (W) × 128 mm (D) × 38 mm (H) |
| Material | Industrial-grade metal enclosure |
| Operating Temperature | 5°C to 40°C |
| Storage Temperature | 0°C to 65°C |
| Operating Humidity | 10% to 90% RH (non-condensing) |
| Storage Humidity | 5% to 90% RH (non-condensing) |
| Weight | Approx. 1.2–1.5 kg (typical, depending on configuration) |
| Power Supply | Supplied via connected multiport card (P640NU or IOP3927F) |
| Mounting Options | Desktop or rack-mountable (optional brackets) |
| Compliance | RS232C standard, CE, FCC (manufacturer dependent) |
4. Functionality
The IF108 functions as an external serial port expansion module that provides eight isolated RS232 communication channels. Each channel operates independently, allowing simultaneous data transmission and reception across multiple devices. The built-in 16C554 UART controller ensures efficient data handling with FIFO buffering, reducing CPU load and preventing data overflow during high-speed communication.
How It Works:
- The IF108 connects to a host system via a compatible Rayon multiport card (such as the P640NU or IOP3927F) using an A640 cable.
- Each of the eight DB9 male connectors provides a standard RS232 interface for connecting serial devices such as modems, sensors, PLCs, barcode scanners, or industrial controllers.
- The ground isolation circuitry ensures that each port operates independently, preventing electrical interference between connected devices.
- Multiple IF108 boxes can be daisy-chained using DB37 connectors, allowing system expansion up to 32 ports per PCI slot.
Use Cases and Applications:
- Industrial automation systems requiring multiple serial connections.
- Data acquisition and monitoring systems.
- Communication hubs for instrumentation and control.
- Integration with legacy RS232 equipment in modern computing environments.
- Laboratory and testing setups requiring isolated serial communication channels.
- SCADA (Supervisory Control and Data Acquisition) systems.
Compatibility:
- Fully compatible with RS232C standard devices.
- Designed to interface with Rayon’s P640NU and IOP3927F intelligent multiport cards.
- Supports daisy-chain configurations for multi-box setups.
5. Components & Accessories
Included Items:
- IF108 8-Port RS232 Connector Box (main unit)
- DB37 connection interface (integrated)
- User documentation or quick installation guide (depending on shipment)
Optional Accessories:
- A640 Cable: Used to connect the IF108 box to the P640NU or IOP3927F multiport card.
- Mounting Brackets: For rack or panel installation.
- Additional IF-Series Boxes: For system expansion (IF208 or IF308 models).
- Power and Signal Cables: Depending on system configuration.
Connectors:
- DB9 Male (x8): RS232 communication ports.
- DB37 Female (Input): For daisy-chain input from the previous box or host card.
- DB37 Male (Output): For daisy-chain output to the next box in the chain.
6. Installation & Setup
Requirements:
- Compatible host system equipped with a P640NU or IOP3927F multiport card.
- Appropriate A640 connection cable.
- Available physical space for the 268 × 128 × 38 mm enclosure.
- Operating environment within specified temperature and humidity ranges.
Installation Steps:
1. Mounting: Place the IF108 on a stable surface or mount it using optional brackets.
2. Connection to Host: Connect the IF108 to the host system’s multiport card using the A640 cable.
3. Daisy-Chaining (Optional): If additional boxes are used, connect the DB37 output of the first box to the DB37 input of the next box.
4. Device Connection: Attach RS232 devices to the DB9 male connectors.
5. Power and Configuration: The IF108 draws power and control signals from the connected multiport card; no external power supply is typically required.
6. Driver Installation: Install the appropriate drivers for the multiport card on the host system.
7. Testing: Verify communication with connected devices using terminal software or diagnostic utilities.
Configuration:
- The IF108 model is fixed for RS232 operation; no DIP switch configuration is required (unlike IF208 or IF308 models).
- Communication parameters (baud rate, parity, stop bits, etc.) are configured via the host system software.
7. Performance & Capabilities
Speed and Throughput:
- Supports standard RS232 baud rates up to 115.2 kbps or higher (depending on host card and cable quality).
- FIFO buffering via the 16C554 controller ensures smooth data flow and minimizes latency.
Capacity and Scalability:
- Each IF108 provides 8 isolated RS232 ports.
- Up to 4 boxes can be daisy-chained, supporting a total of 32 ports per PCI slot when used with compatible Rayon cards.
Efficiency:
- Hardware-based flow control and FIFO buffering reduce CPU overhead.
- Ground isolation enhances signal integrity and minimizes communication errors.
Limitations:
- Fixed to RS232 interface (no RS422/RS485 switching capability).
- Requires compatible Rayon multiport card for operation.
- Not designed for standalone use without host interface hardware.
8. Standards & Compliance
Communication Standards:
- Fully compliant with EIA/TIA RS232C specifications.
- Supports all standard RS232 control and signal lines.
Electrical and Safety Compliance:
- Ground isolation per port for enhanced safety and noise immunity.
- Designed to meet industrial-grade reliability standards.
Regulatory Compliance (Manufacturer Typical):
- CE (Electromagnetic Compatibility)
- FCC Class A (Industrial/Commercial Use)
- RoHS (Restriction of Hazardous Substances)
Industry Standards:
- UART 16C554 FIFO architecture standard.
- Compatible with standard DB9 pin assignments for RS232 communication.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1 year, depending on region and distributor).
Technical Support:
- Provided by Rayon Technology Co., Ltd.
- Support includes installation guidance, troubleshooting, and firmware updates (if applicable).
Maintenance:
- Minimal maintenance required.
- Periodic inspection of connectors and cables recommended.
- Keep the unit in a clean, dry environment to ensure long-term reliability.
Firmware and Updates:
- The IF108 operates as a hardware-level interface device; firmware updates are generally not required.
- Driver updates may be available for the associated multiport cards (P640NU, IOP3927F).
Manufacturer Contact Information:
- Rayon Technology Co., Ltd.
2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Tel: +886-2-82858362
Fax: +886-2-82857065
Email: rayon@ms1.hinet.net
Web: [http://www.rayontech.com](http://www.rayontech.com)
Alternate Web: [http://www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)
Summary
The Rayon IF108 8-Port Isolated RS232 Connector Box is a high-performance, industrial-grade communication interface designed to expand serial connectivity in demanding environments. Featuring eight ground-isolated RS232 ports, a robust 16C554 FIFO controller, and full hardware control line support, it ensures reliable and interference-free data transmission. Its modular design allows seamless integration with Rayon’s intelligent multiport cards, enabling scalable configurations up to 32 ports per PCI slot. With its durable construction, compact form factor, and compliance with RS232C standards, the IF108 is an ideal solution for industrial automation, data acquisition, and multi-device communication systems requiring stable, isolated serial connections.
Product Name: IF108 RS232C Connector Box
Model: IF108
Series: IF Series (includes IF108, IF208, IF308)
Article Number: IF108
Manufacturer: Rayon Technology Co., Ltd.
Product Type: 8-Port Ground-Isolated RS232 Connector Box
Country of Origin: Taiwan
The Rayon IF108 is a professional-grade 8-port isolated RS232 DB9 male connector box designed for industrial and commercial serial communication applications. It is part of Rayon’s IF-series modular communication interface family, which also includes the IF208 (RS422/RS485) and IF308 (RS232/RS422/RS485) models. The IF108 provides robust, ground-isolated RS232 connectivity with full hardware control line support, ensuring reliable data transmission and protection against ground loops and electrical interference.
2. Key Features
- Eight Ground-Isolated RS232 Ports: Each of the eight ports is individually isolated to prevent ground loop interference and ensure stable communication in electrically noisy environments.
- Built-in FIFO Type UART Controller: Incorporates the 16C554 advanced FIFO (First-In-First-Out) UART controller chip, providing efficient buffering and minimizing data loss during high-speed communication.
- Full Hardware Control Line Support: Fully compliant with RS232C standards, supporting all standard control signals (RTS, CTS, DTR, DSR, DCD, RI).
- Daisy-Chain Expandability: Supports daisy-chaining via DB37 connectors, allowing multiple boxes to be linked together to expand the number of available serial ports—up to 32 ports per system.
- Compatibility with Rayon Multiport Cards: Designed to interface seamlessly with P640NU and IOP3927F intelligent multiport cards, enabling flexible system configurations.
- Compact and Durable Design: Housed in a robust enclosure measuring 268 × 128 × 38 mm, suitable for desktop or rack-mounted installations.
- Ground Isolation: Each port is galvanically isolated, enhancing system reliability and protecting connected devices from electrical surges or potential differences.
- Flexible System Integration: Ideal for industrial automation, data acquisition, instrumentation, and communication control systems requiring multiple isolated serial connections.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | IF108 |
| Interface Type | RS232C (Ground Isolated) |
| Number of Ports | 8 |
| Connector Type | DB9 Male (per port) |
| Controller Chip | FIFO Type 16C554 UART |
| Isolation Type | Ground Isolation per Port |
| Daisy Chain Interface | DB37 Male Output / DB37 Female Input |
| Dimensions | 268 mm (W) × 128 mm (D) × 38 mm (H) |
| Material | Industrial-grade metal enclosure |
| Operating Temperature | 5°C to 40°C |
| Storage Temperature | 0°C to 65°C |
| Operating Humidity | 10% to 90% RH (non-condensing) |
| Storage Humidity | 5% to 90% RH (non-condensing) |
| Weight | Approx. 1.2–1.5 kg (typical, depending on configuration) |
| Power Supply | Supplied via connected multiport card (P640NU or IOP3927F) |
| Mounting Options | Desktop or rack-mountable (optional brackets) |
| Compliance | RS232C standard, CE, FCC (manufacturer dependent) |
4. Functionality
The IF108 functions as an external serial port expansion module that provides eight isolated RS232 communication channels. Each channel operates independently, allowing simultaneous data transmission and reception across multiple devices. The built-in 16C554 UART controller ensures efficient data handling with FIFO buffering, reducing CPU load and preventing data overflow during high-speed communication.
How It Works:
- The IF108 connects to a host system via a compatible Rayon multiport card (such as the P640NU or IOP3927F) using an A640 cable.
- Each of the eight DB9 male connectors provides a standard RS232 interface for connecting serial devices such as modems, sensors, PLCs, barcode scanners, or industrial controllers.
- The ground isolation circuitry ensures that each port operates independently, preventing electrical interference between connected devices.
- Multiple IF108 boxes can be daisy-chained using DB37 connectors, allowing system expansion up to 32 ports per PCI slot.
Use Cases and Applications:
- Industrial automation systems requiring multiple serial connections.
- Data acquisition and monitoring systems.
- Communication hubs for instrumentation and control.
- Integration with legacy RS232 equipment in modern computing environments.
- Laboratory and testing setups requiring isolated serial communication channels.
- SCADA (Supervisory Control and Data Acquisition) systems.
Compatibility:
- Fully compatible with RS232C standard devices.
- Designed to interface with Rayon’s P640NU and IOP3927F intelligent multiport cards.
- Supports daisy-chain configurations for multi-box setups.
5. Components & Accessories
Included Items:
- IF108 8-Port RS232 Connector Box (main unit)
- DB37 connection interface (integrated)
- User documentation or quick installation guide (depending on shipment)
Optional Accessories:
- A640 Cable: Used to connect the IF108 box to the P640NU or IOP3927F multiport card.
- Mounting Brackets: For rack or panel installation.
- Additional IF-Series Boxes: For system expansion (IF208 or IF308 models).
- Power and Signal Cables: Depending on system configuration.
Connectors:
- DB9 Male (x8): RS232 communication ports.
- DB37 Female (Input): For daisy-chain input from the previous box or host card.
- DB37 Male (Output): For daisy-chain output to the next box in the chain.
6. Installation & Setup
Requirements:
- Compatible host system equipped with a P640NU or IOP3927F multiport card.
- Appropriate A640 connection cable.
- Available physical space for the 268 × 128 × 38 mm enclosure.
- Operating environment within specified temperature and humidity ranges.
Installation Steps:
1. Mounting: Place the IF108 on a stable surface or mount it using optional brackets.
2. Connection to Host: Connect the IF108 to the host system’s multiport card using the A640 cable.
3. Daisy-Chaining (Optional): If additional boxes are used, connect the DB37 output of the first box to the DB37 input of the next box.
4. Device Connection: Attach RS232 devices to the DB9 male connectors.
5. Power and Configuration: The IF108 draws power and control signals from the connected multiport card; no external power supply is typically required.
6. Driver Installation: Install the appropriate drivers for the multiport card on the host system.
7. Testing: Verify communication with connected devices using terminal software or diagnostic utilities.
Configuration:
- The IF108 model is fixed for RS232 operation; no DIP switch configuration is required (unlike IF208 or IF308 models).
- Communication parameters (baud rate, parity, stop bits, etc.) are configured via the host system software.
7. Performance & Capabilities
Speed and Throughput:
- Supports standard RS232 baud rates up to 115.2 kbps or higher (depending on host card and cable quality).
- FIFO buffering via the 16C554 controller ensures smooth data flow and minimizes latency.
Capacity and Scalability:
- Each IF108 provides 8 isolated RS232 ports.
- Up to 4 boxes can be daisy-chained, supporting a total of 32 ports per PCI slot when used with compatible Rayon cards.
Efficiency:
- Hardware-based flow control and FIFO buffering reduce CPU overhead.
- Ground isolation enhances signal integrity and minimizes communication errors.
Limitations:
- Fixed to RS232 interface (no RS422/RS485 switching capability).
- Requires compatible Rayon multiport card for operation.
- Not designed for standalone use without host interface hardware.
8. Standards & Compliance
Communication Standards:
- Fully compliant with EIA/TIA RS232C specifications.
- Supports all standard RS232 control and signal lines.
Electrical and Safety Compliance:
- Ground isolation per port for enhanced safety and noise immunity.
- Designed to meet industrial-grade reliability standards.
Regulatory Compliance (Manufacturer Typical):
- CE (Electromagnetic Compatibility)
- FCC Class A (Industrial/Commercial Use)
- RoHS (Restriction of Hazardous Substances)
Industry Standards:
- UART 16C554 FIFO architecture standard.
- Compatible with standard DB9 pin assignments for RS232 communication.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1 year, depending on region and distributor).
Technical Support:
- Provided by Rayon Technology Co., Ltd.
- Support includes installation guidance, troubleshooting, and firmware updates (if applicable).
Maintenance:
- Minimal maintenance required.
- Periodic inspection of connectors and cables recommended.
- Keep the unit in a clean, dry environment to ensure long-term reliability.
Firmware and Updates:
- The IF108 operates as a hardware-level interface device; firmware updates are generally not required.
- Driver updates may be available for the associated multiport cards (P640NU, IOP3927F).
Manufacturer Contact Information:
- Rayon Technology Co., Ltd.
2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Tel: +886-2-82858362
Fax: +886-2-82857065
Email: rayon@ms1.hinet.net
Web: [http://www.rayontech.com](http://www.rayontech.com)
Alternate Web: [http://www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)
Summary
The Rayon IF108 8-Port Isolated RS232 Connector Box is a high-performance, industrial-grade communication interface designed to expand serial connectivity in demanding environments. Featuring eight ground-isolated RS232 ports, a robust 16C554 FIFO controller, and full hardware control line support, it ensures reliable and interference-free data transmission. Its modular design allows seamless integration with Rayon’s intelligent multiport cards, enabling scalable configurations up to 32 ports per PCI slot. With its durable construction, compact form factor, and compliance with RS232C standards, the IF108 is an ideal solution for industrial automation, data acquisition, and multi-device communication systems requiring stable, isolated serial connections.
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