Black Box IC478A-M-R2

Async RS-232 to RS-485 Interface Converter, DB25 Male to DB25 Male Convert your high-speed RS-232 applications to RS-485!

<b>Product Highlights</b>

- Provides async data rates up to 115.2 kbps over two or four wires.
- Half- or full-duplex operation over two or four wires.
- Point-to-point or multipoint operation.
- Distances up to 9 miles (14.4 km).
- Operates with or without transmit "echo."
- Two-wire half-duplex turnaround controlled by the RS-232 RTS signal.