The BB-485DRCI from Advantech is a rugged, industrial-grade RS-232 to RS-422/485 serial converter with triple isolation, designed for reliable communication in harsh environments.

 Key Features

• Conversion: RS-232 to RS-422/RS-485
• Isolation: 3-way 2000 VDC optical isolation (input, output, power)
• Data Rate: Up to 115.2 kbps
• Connectors: DB9 female + terminal block
• Mounting: DIN-rail compatible

 Electrical & Environmental Specs

• Power Input: 10–48 VDC (external power supply required)
• Operating Temp: –40°C to +80°C
• Surge Protection: 600W
• Certifications: UL Class I, Division 2 (hazardous locations)

 Protocol Compatibility

• Supports Modbus ASCII/RTU
• Compatible with Allen-Bradley® DH-485