Advantech 485SD9TB RS-485/RS-232 Media Converter
The Advantech 485SD9TB is a compact media converter and repeater designed to bridge RS-232 and RS-485 serial communication interfaces. With automatic send data control, it simplifies integration into half-duplex RS-485 networks without requiring manual flow control configuration. Powered by 12 VDC, this 2-port unit is well-suited for industrial environments requiring reliable serial signal conversion.
Key Features
- Converts RS-232 signals to RS-485 for extended distance serial communication
- Automatic send data control for simplified half-duplex RS-485 network integration
- 2-port configuration
- 12 VDC powered
- Compact form factor: 3.4 x 1.3 x 0.6 in.
- Operating temperature: 32 to 158°F (0 to 70°C)
Specifications
- Model: 485SD9TB
- Connection Types: RS-485, RS-232
- Ports: 2
- Power: 12 VDC
- Operating Temperature: 32 to 158°F
- Dimensions: 3.4 x 1.3 x 0.6 in.
- Product Type: Repeater/Transceiver/Media Converter
Applications
Used in industrial automation, building management systems, process control, and SCADA applications where RS-232 devices must communicate over RS-485 multi-drop networks or where RS-485 signal extension and regeneration is required.



