Black Box RS-232 to RS-485 Interface Converter

Black Box RS-232 to RS-485 Interface Converter

Operates in half-duplex over two wires.

Works with or without transmit "echo."

The converter's RS-232 side has a DB9 female connector configured as DCE.

The converter's RS-485 side has a terminal block.

Also available in four other configurations. See Similar Products.

The Async RS-232 to RS-485 Interface Bidirectional Converter, DB9 Female to Terminal Block features a DB9 female connector on the RS-232 side, and a terminal block on the RS-485 side. It converts your unbalanced RS-232 signals to balanced half-duplex RS-485 signals.

• Up to 32 RS485 devices can be attached to create a large multi-drop network.


• The RS485 driver is automatically enabled during each spacing state on the RS232 side.


• Async (data leads) only.


• 2-wire operation half-duplex only.


• Transmit data up to 115 kbps or at distancesup to 4000 ft.


• Operates in point to point or multipoint applications.