Features

BB-4WSD9R (ULI-224D) is a universal serial converter that facilitates RS-232 to RS-422/RS-485 conversion using either port-power or an external supply. It features Automatic Send Data Control, eliminating the need for handshaking. Operation is configured via a dipswitch.

• RS-232 to RS-485 Converter
• Extend RS-232 data signals up to 1.2 km (4,000 ft.)
• Data rate: 115.2 kbps
• Quick, inline installation
• DIP switch selectable RS-422 or RS-485
• RS-232 port power or external 12 Vdc power jack (power supply not included, sold separately)

Downloads

Datasheet 1