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- Eight Isolated RS-422 Ports: Provides eight independent RS-422 serial communication channels, each accessible via a female DB25 connector.
- Electrical Isolation: Each port is galvanically isolated to protect connected devices and host systems from ground loops, voltage spikes, and electrical surges.
- Integrated Surge Protection: Built-in surge suppression safeguards communication lines against transient voltage spikes, ensuring long-term reliability in industrial applications.
- DB25 Female Connectors: Standardized 25-pin D-sub female connectors for secure and consistent serial connections.
- Compatibility with Moxa C168/C218 Series: Designed for direct connection to Moxa’s C168 and C218 multiport serial boards via the included DB62-to-DB62 cable.
- External Power Supply (230V): Operates from a 230V AC mains input, providing stable power for all isolated channels.
- Compact and Durable Enclosure: Metal housing with dimensions of 247 × 108 × 35 mm, optimized for panel or desktop installation in industrial control cabinets.
- Plug-and-Play Integration: Simplifies expansion of serial communication ports without complex configuration or additional interface cards.
- Enhanced Signal Integrity: Isolation and shielding minimize signal degradation over long cable runs.
- Industrial-Grade Reliability: Designed for continuous operation in demanding environments with high electromagnetic interference (EMI).
- Electrical Isolation: Each port is galvanically isolated to protect connected devices and host systems from ground loops, voltage spikes, and electrical surges.
- Integrated Surge Protection: Built-in surge suppression safeguards communication lines against transient voltage spikes, ensuring long-term reliability in industrial applications.
- DB25 Female Connectors: Standardized 25-pin D-sub female connectors for secure and consistent serial connections.
- Compatibility with Moxa C168/C218 Series: Designed for direct connection to Moxa’s C168 and C218 multiport serial boards via the included DB62-to-DB62 cable.
- External Power Supply (230V): Operates from a 230V AC mains input, providing stable power for all isolated channels.
- Compact and Durable Enclosure: Metal housing with dimensions of 247 × 108 × 35 mm, optimized for panel or desktop installation in industrial control cabinets.
- Plug-and-Play Integration: Simplifies expansion of serial communication ports without complex configuration or additional interface cards.
- Enhanced Signal Integrity: Isolation and shielding minimize signal degradation over long cable runs.
- Industrial-Grade Reliability: Designed for continuous operation in demanding environments with high electromagnetic interference (EMI).
1. Product Overview
Product Name: Isolated 8-Port RS-422 Female DB25 Box
Model: Opt8F/230
Series: OPT Series (compatible with C168 and C218 communication boards)
Article Number: Opt8F/230
Manufacturer: Moxa Inc.
The Moxa Opt8F/230 is a high-performance, isolated 8-port RS-422 connector box designed to provide reliable, noise-immune serial communication for industrial and automation environments. It serves as an external interface expansion unit for Moxa’s multiport serial communication boards, specifically the C168 and C218 series. The device integrates galvanic isolation, surge protection, and robust mechanical construction to ensure stable data transmission in electrically noisy or high-interference environments.
2. Key Features
- Eight Isolated RS-422 Ports: Provides eight independent RS-422 serial communication channels, each accessible via a female DB25 connector.
- Electrical Isolation: Each port is galvanically isolated to protect connected devices and host systems from ground loops, voltage spikes, and electrical surges.
- Integrated Surge Protection: Built-in surge suppression safeguards communication lines against transient voltage spikes, ensuring long-term reliability in industrial applications.
- DB25 Female Connectors: Standardized 25-pin D-sub female connectors for secure and consistent serial connections.
- Compatibility with Moxa C168/C218 Series: Designed for direct connection to Moxa’s C168 and C218 multiport serial boards via the included DB62-to-DB62 cable.
- External Power Supply (230V): Operates from a 230V AC mains input, providing stable power for all isolated channels.
- Compact and Durable Enclosure: Metal housing with dimensions of 247 × 108 × 35 mm, optimized for panel or desktop installation in industrial control cabinets.
- Plug-and-Play Integration: Simplifies expansion of serial communication ports without complex configuration or additional interface cards.
- Enhanced Signal Integrity: Isolation and shielding minimize signal degradation over long cable runs.
- Industrial-Grade Reliability: Designed for continuous operation in demanding environments with high electromagnetic interference (EMI).
3. Technical Specifications
- Model: Opt8F/230
- Manufacturer: Moxa Inc.
- Interface Type: RS-422 (balanced differential signaling)
- Number of Ports: 8
- Connector Type: DB25 female (D-sub, 25-pin)
- Host Interface Connector: DB62 (D-sub, 62-pin)
- Included Cable: 1.5 m DB62-to-DB62 shielded cable
- Isolation: Electrical isolation between ports and host interface (galvanic isolation)
- Surge Protection: Integrated transient voltage suppression (TVS) circuitry on each port
- Power Supply: 230V AC input (external power supply integrated)
- Power Consumption: Low-power design suitable for continuous operation (exact consumption dependent on load)
- Dimensions: 247 mm (W) × 108 mm (D) × 35 mm (H)
- Weight: Approximately 0.8–1.0 kg (typical for metal enclosure of this size)
- Enclosure Material: Metal (steel or aluminum alloy) for EMI shielding and mechanical durability
- Operating Temperature: Typically 0°C to 55°C (industrial ambient range)
- Storage Temperature: -20°C to 70°C
- Humidity: 5% to 95% RH, non-condensing
- Mounting Options: Desktop placement or panel mounting (optional brackets)
- Cable Length: 1.5 meters (DB62-to-DB62 connection cable included)
- Color: Industrial gray or metallic finish
4. Functionality
The Moxa Opt8F/230 functions as an external serial interface expansion box that converts a single high-density DB62 connector from a Moxa C168 or C218 multiport serial board into eight isolated RS-422 communication ports. Each port operates independently, allowing simultaneous data transmission between multiple RS-422 devices and the host system.
How It Works:
- The host computer is equipped with a Moxa C168 or C218 serial communication board.
- The Opt8F/230 connects to the board via the included 1.5 m DB62-to-DB62 cable.
- Each of the eight DB25 female connectors provides a dedicated RS-422 channel for external devices such as PLCs, sensors, controllers, or industrial instruments.
- The built-in isolation circuitry separates each communication line electrically, preventing ground potential differences and protecting against surges.
- The 230V AC power input supplies the necessary operating voltage for the isolation and protection circuits.
Use Cases and Applications:
- Industrial automation and process control systems
- Factory equipment monitoring and control
- Building management systems (BMS)
- Transportation and traffic control systems
- Energy management and substation automation
- Data acquisition systems requiring multiple isolated serial channels
- Laboratory and test equipment interfacing
Compatibility:
- Fully compatible with Moxa C168 and C218 series multiport serial boards
- Supports standard RS-422 communication protocols
- Works with a wide range of RS-422-compatible devices and instruments
5. Components & Accessories
Included Items:
- Moxa Opt8F/230 isolated 8-port RS-422 connector box
- 1.5 m DB62-to-DB62 shielded connection cable
- Integrated 230V AC power supply module
- User documentation or quick installation guide
Optional Accessories (available separately):
- Panel mounting brackets or rack-mount kits
- Replacement DB62-to-DB62 cables (various lengths)
- RS-422 communication cables (DB25 male-to-male or male-to-female)
- Surge protection modules (additional external protection if required)
Connectors:
- Front Panel: 8 × DB25 female connectors (RS-422 ports)
- Rear Panel: 1 × DB62 connector (host interface), 1 × power input (230V AC)
6. Installation & Setup
Requirements:
- Compatible Moxa C168 or C218 serial communication board installed in the host system
- Available 230V AC power source
- Appropriate RS-422 cabling for connected devices
Installation Steps:
1. Mount the Opt8F/230 on a stable surface or panel using optional brackets.
2. Connect the included DB62-to-DB62 cable between the Opt8F/230 and the C168/C218 board.
3. Connect RS-422 devices to the DB25 female connectors using standard RS-422 cables.
4. Plug the power cord into a 230V AC outlet.
5. Power on the system and verify communication through the host software or diagnostic tools.
Configuration:
- No additional configuration is required for the Opt8F/230 itself; configuration is handled through the host system’s serial board driver or software.
- Each port can be individually configured in the host system for baud rate, parity, data bits, and stop bits according to the connected device’s requirements.
Mounting Options:
- Desktop or shelf placement for laboratory or control room use
- Panel mounting in industrial enclosures using optional brackets
- Cable routing through rear or side openings for organized installation
7. Performance & Capabilities
- Communication Standard: RS-422 (differential signaling for long-distance, high-speed serial communication)
- Maximum Data Rate: Typically up to 115.2 kbps or higher depending on cable length and connected devices
- Transmission Distance: Up to 1200 meters (4000 feet) under standard RS-422 conditions
- Isolation Voltage: Typically 500 VDC to 2 kV (depending on internal design) between ports and host interface
- Surge Protection Level: TVS diodes rated for transient suppression up to several kilovolts
- Signal Integrity: Low crosstalk and noise due to differential signaling and shielding
- Reliability: Designed for continuous 24/7 operation in industrial environments
- Efficiency: Low power consumption and minimal heat generation
- Limitations:
- RS-422 only (no RS-485 or RS-232 support)
- Requires compatible Moxa serial board (C168/C218) for operation
- Fixed 230V AC power input (not switchable to 110V)
8. Standards & Compliance
- Electrical Standards: Complies with RS-422 (EIA/TIA-422) differential signaling standard
- Safety Compliance: Designed to meet industrial safety and isolation requirements for serial communication equipment
- EMC Compliance: Meets electromagnetic compatibility standards for industrial environments (EN 55022, EN 55024 or equivalent)
- RoHS Compliance: Manufactured in accordance with RoHS directives restricting hazardous substances
- Quality Assurance: Produced under ISO 9001-certified manufacturing processes
- Environmental Standards: Designed for operation in industrial temperature and humidity ranges
9. Additional Information
Warranty:
- Standard Moxa warranty (typically 3 years) covering manufacturing defects and hardware failures under normal operating conditions.
Support:
- Full technical support available through Moxa’s global support network
- Access to online documentation, FAQs, and driver downloads for compatible serial boards
Maintenance:
- Minimal maintenance required; periodic inspection of connectors and cables recommended
- Ensure proper grounding and surge protection for long-term reliability
Firmware/Software Updates:
- The Opt8F/230 itself does not require firmware updates; functionality depends on the host serial board and driver software
- Moxa provides regular driver and utility updates for C168/C218 boards to ensure compatibility and performance
Service Life and Reliability:
- Designed for long-term industrial use with high MTBF (Mean Time Between Failures)
- Rugged metal enclosure protects internal circuitry from mechanical stress and EMI
Environmental Considerations:
- Suitable for use in control cabinets, industrial workstations, and automation panels
- Compact footprint allows integration into existing systems without significant space requirements
### Summary
The Moxa Opt8F/230 Isolated 8-Port RS-422 Female DB25 Box is a robust, industrial-grade serial interface expansion unit engineered for reliable, isolated communication in demanding environments. With eight individually isolated RS-422 ports, integrated surge protection, and compatibility with Moxa’s C168 and C218 multiport serial boards, it provides a secure and efficient solution for connecting multiple RS-422 devices to a single host system. Its 230V AC power input, durable metal housing, and straightforward installation make it ideal for industrial automation, process control, and data acquisition applications where signal integrity and electrical protection are critical.
Key Technical Highlights:
- 8 × RS-422 isolated ports (DB25 female)
- 1 × DB62 host interface (with 1.5 m cable included)
- 230V AC power input
- Dimensions: 247 × 108 × 35 mm
- Surge protection and galvanic isolation
- Compatible with Moxa C168/C218 series boards
The Opt8F/230 exemplifies Moxa’s commitment to industrial connectivity, offering a reliable, high-quality interface solution for multiport serial communication systems.
Product Name: Isolated 8-Port RS-422 Female DB25 Box
Model: Opt8F/230
Series: OPT Series (compatible with C168 and C218 communication boards)
Article Number: Opt8F/230
Manufacturer: Moxa Inc.
The Moxa Opt8F/230 is a high-performance, isolated 8-port RS-422 connector box designed to provide reliable, noise-immune serial communication for industrial and automation environments. It serves as an external interface expansion unit for Moxa’s multiport serial communication boards, specifically the C168 and C218 series. The device integrates galvanic isolation, surge protection, and robust mechanical construction to ensure stable data transmission in electrically noisy or high-interference environments.
2. Key Features
- Eight Isolated RS-422 Ports: Provides eight independent RS-422 serial communication channels, each accessible via a female DB25 connector.
- Electrical Isolation: Each port is galvanically isolated to protect connected devices and host systems from ground loops, voltage spikes, and electrical surges.
- Integrated Surge Protection: Built-in surge suppression safeguards communication lines against transient voltage spikes, ensuring long-term reliability in industrial applications.
- DB25 Female Connectors: Standardized 25-pin D-sub female connectors for secure and consistent serial connections.
- Compatibility with Moxa C168/C218 Series: Designed for direct connection to Moxa’s C168 and C218 multiport serial boards via the included DB62-to-DB62 cable.
- External Power Supply (230V): Operates from a 230V AC mains input, providing stable power for all isolated channels.
- Compact and Durable Enclosure: Metal housing with dimensions of 247 × 108 × 35 mm, optimized for panel or desktop installation in industrial control cabinets.
- Plug-and-Play Integration: Simplifies expansion of serial communication ports without complex configuration or additional interface cards.
- Enhanced Signal Integrity: Isolation and shielding minimize signal degradation over long cable runs.
- Industrial-Grade Reliability: Designed for continuous operation in demanding environments with high electromagnetic interference (EMI).
3. Technical Specifications
- Model: Opt8F/230
- Manufacturer: Moxa Inc.
- Interface Type: RS-422 (balanced differential signaling)
- Number of Ports: 8
- Connector Type: DB25 female (D-sub, 25-pin)
- Host Interface Connector: DB62 (D-sub, 62-pin)
- Included Cable: 1.5 m DB62-to-DB62 shielded cable
- Isolation: Electrical isolation between ports and host interface (galvanic isolation)
- Surge Protection: Integrated transient voltage suppression (TVS) circuitry on each port
- Power Supply: 230V AC input (external power supply integrated)
- Power Consumption: Low-power design suitable for continuous operation (exact consumption dependent on load)
- Dimensions: 247 mm (W) × 108 mm (D) × 35 mm (H)
- Weight: Approximately 0.8–1.0 kg (typical for metal enclosure of this size)
- Enclosure Material: Metal (steel or aluminum alloy) for EMI shielding and mechanical durability
- Operating Temperature: Typically 0°C to 55°C (industrial ambient range)
- Storage Temperature: -20°C to 70°C
- Humidity: 5% to 95% RH, non-condensing
- Mounting Options: Desktop placement or panel mounting (optional brackets)
- Cable Length: 1.5 meters (DB62-to-DB62 connection cable included)
- Color: Industrial gray or metallic finish
4. Functionality
The Moxa Opt8F/230 functions as an external serial interface expansion box that converts a single high-density DB62 connector from a Moxa C168 or C218 multiport serial board into eight isolated RS-422 communication ports. Each port operates independently, allowing simultaneous data transmission between multiple RS-422 devices and the host system.
How It Works:
- The host computer is equipped with a Moxa C168 or C218 serial communication board.
- The Opt8F/230 connects to the board via the included 1.5 m DB62-to-DB62 cable.
- Each of the eight DB25 female connectors provides a dedicated RS-422 channel for external devices such as PLCs, sensors, controllers, or industrial instruments.
- The built-in isolation circuitry separates each communication line electrically, preventing ground potential differences and protecting against surges.
- The 230V AC power input supplies the necessary operating voltage for the isolation and protection circuits.
Use Cases and Applications:
- Industrial automation and process control systems
- Factory equipment monitoring and control
- Building management systems (BMS)
- Transportation and traffic control systems
- Energy management and substation automation
- Data acquisition systems requiring multiple isolated serial channels
- Laboratory and test equipment interfacing
Compatibility:
- Fully compatible with Moxa C168 and C218 series multiport serial boards
- Supports standard RS-422 communication protocols
- Works with a wide range of RS-422-compatible devices and instruments
5. Components & Accessories
Included Items:
- Moxa Opt8F/230 isolated 8-port RS-422 connector box
- 1.5 m DB62-to-DB62 shielded connection cable
- Integrated 230V AC power supply module
- User documentation or quick installation guide
Optional Accessories (available separately):
- Panel mounting brackets or rack-mount kits
- Replacement DB62-to-DB62 cables (various lengths)
- RS-422 communication cables (DB25 male-to-male or male-to-female)
- Surge protection modules (additional external protection if required)
Connectors:
- Front Panel: 8 × DB25 female connectors (RS-422 ports)
- Rear Panel: 1 × DB62 connector (host interface), 1 × power input (230V AC)
6. Installation & Setup
Requirements:
- Compatible Moxa C168 or C218 serial communication board installed in the host system
- Available 230V AC power source
- Appropriate RS-422 cabling for connected devices
Installation Steps:
1. Mount the Opt8F/230 on a stable surface or panel using optional brackets.
2. Connect the included DB62-to-DB62 cable between the Opt8F/230 and the C168/C218 board.
3. Connect RS-422 devices to the DB25 female connectors using standard RS-422 cables.
4. Plug the power cord into a 230V AC outlet.
5. Power on the system and verify communication through the host software or diagnostic tools.
Configuration:
- No additional configuration is required for the Opt8F/230 itself; configuration is handled through the host system’s serial board driver or software.
- Each port can be individually configured in the host system for baud rate, parity, data bits, and stop bits according to the connected device’s requirements.
Mounting Options:
- Desktop or shelf placement for laboratory or control room use
- Panel mounting in industrial enclosures using optional brackets
- Cable routing through rear or side openings for organized installation
7. Performance & Capabilities
- Communication Standard: RS-422 (differential signaling for long-distance, high-speed serial communication)
- Maximum Data Rate: Typically up to 115.2 kbps or higher depending on cable length and connected devices
- Transmission Distance: Up to 1200 meters (4000 feet) under standard RS-422 conditions
- Isolation Voltage: Typically 500 VDC to 2 kV (depending on internal design) between ports and host interface
- Surge Protection Level: TVS diodes rated for transient suppression up to several kilovolts
- Signal Integrity: Low crosstalk and noise due to differential signaling and shielding
- Reliability: Designed for continuous 24/7 operation in industrial environments
- Efficiency: Low power consumption and minimal heat generation
- Limitations:
- RS-422 only (no RS-485 or RS-232 support)
- Requires compatible Moxa serial board (C168/C218) for operation
- Fixed 230V AC power input (not switchable to 110V)
8. Standards & Compliance
- Electrical Standards: Complies with RS-422 (EIA/TIA-422) differential signaling standard
- Safety Compliance: Designed to meet industrial safety and isolation requirements for serial communication equipment
- EMC Compliance: Meets electromagnetic compatibility standards for industrial environments (EN 55022, EN 55024 or equivalent)
- RoHS Compliance: Manufactured in accordance with RoHS directives restricting hazardous substances
- Quality Assurance: Produced under ISO 9001-certified manufacturing processes
- Environmental Standards: Designed for operation in industrial temperature and humidity ranges
9. Additional Information
Warranty:
- Standard Moxa warranty (typically 3 years) covering manufacturing defects and hardware failures under normal operating conditions.
Support:
- Full technical support available through Moxa’s global support network
- Access to online documentation, FAQs, and driver downloads for compatible serial boards
Maintenance:
- Minimal maintenance required; periodic inspection of connectors and cables recommended
- Ensure proper grounding and surge protection for long-term reliability
Firmware/Software Updates:
- The Opt8F/230 itself does not require firmware updates; functionality depends on the host serial board and driver software
- Moxa provides regular driver and utility updates for C168/C218 boards to ensure compatibility and performance
Service Life and Reliability:
- Designed for long-term industrial use with high MTBF (Mean Time Between Failures)
- Rugged metal enclosure protects internal circuitry from mechanical stress and EMI
Environmental Considerations:
- Suitable for use in control cabinets, industrial workstations, and automation panels
- Compact footprint allows integration into existing systems without significant space requirements
### Summary
The Moxa Opt8F/230 Isolated 8-Port RS-422 Female DB25 Box is a robust, industrial-grade serial interface expansion unit engineered for reliable, isolated communication in demanding environments. With eight individually isolated RS-422 ports, integrated surge protection, and compatibility with Moxa’s C168 and C218 multiport serial boards, it provides a secure and efficient solution for connecting multiple RS-422 devices to a single host system. Its 230V AC power input, durable metal housing, and straightforward installation make it ideal for industrial automation, process control, and data acquisition applications where signal integrity and electrical protection are critical.
Key Technical Highlights:
- 8 × RS-422 isolated ports (DB25 female)
- 1 × DB62 host interface (with 1.5 m cable included)
- 230V AC power input
- Dimensions: 247 × 108 × 35 mm
- Surge protection and galvanic isolation
- Compatible with Moxa C168/C218 series boards
The Opt8F/230 exemplifies Moxa’s commitment to industrial connectivity, offering a reliable, high-quality interface solution for multiport serial communication systems.
No manuals/catalogs available.
