This RS232 to RS422 interface converter is perfect for industrial automation engineers and IT professionals who need reliable serial communication protocol conversion. Our BLACK BOX solution delivers:
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Port powered operation that eliminates external power requirements
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Bidirectional data conversion for seamless RS232 to RS422 communication
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DB9 connector compatibility ensuring universal device connectivity
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Industrial automation interface solution for mission-critical applications
Key Features
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Async RS232 to RS422 conversion for reliable data transmission
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Port powered design eliminates external power supply requirements
- Optimized for bidirectional serial communication
- Consistent DB9 to DB9 interface connectivity for plug-and-play operation
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Industrial grade construction to meet demanding environmental standards
Technical Specifications
| Manufacturer |
BLACK BOX |
| Model Number |
IC1474A-F |
| Type |
RS232 to RS422 Interface Converter |
| Power Source |
Port Powered (No External Supply Required) |
| Data Direction |
Bidirectional Serial Communication |
| Connector Type |
DB9 Male to DB9 Female |
| Protocol Support |
Asynchronous RS232/RS422 |
| Compatible Systems |
Industrial automation equipment, PLC systems, serial devices |
Frequently Asked Questions
Q: What is the difference between RS232 and RS422 serial communication protocols?
A: RS232 uses single-ended signaling with shorter transmission distances, while RS422 uses differential signaling for longer distances and better noise immunity in industrial automation environments.
Q: Does this converter require external power for operation?
A: No, it's engineered for port powered operation. The device draws power directly from the host RS232 port, making installation simple and eliminating additional power supply requirements.
Q: What transmission distance can I achieve with this RS232 to RS422 converter?
A: RS422 interface conversion enables transmission distances up to 4000 feet (1200 meters) — perfect for industrial automation applications requiring long-distance serial communication.
Q: Is this converter compatible with standard DB9 serial ports?
A: Yes. DB9 connector compatibility ensures seamless integration with standard serial ports, PLCs, and industrial equipment featuring DB9 interfaces.
RS232 to RS422 converter for industrial automation. Port powered bidirectional serial interface with DB9 connectivity.
