The Brainboxes US-324 USB2SERIAL converts USB to RS422/485 with up to 921,600 baud, 128‑byte TX and 256‑byte RX FIFOs, and includes Windows drivers.
The US-324 USB2SERIAL provides a low‑cost way to connect a PC to RS422/485 serial devices. It features a 128‑byte transmit FIFO, a 256‑byte receive FIFO, and supports both full‑duplex and half‑duplex communication with autogating for error‑free half‑duplex operation.
The device offers up to 921,600 baud data rates, a DB9 connector, and drivers for Windows Vista and XP (32‑ and 64‑bit). It complies with RoHS, includes a USB extender cable, and comes with a CD containing the manual, drivers, and utility software.
| Connector | DB9 (9‑pin male) |
|---|---|
| FIFO size | 128 Byte TX / 256 Byte RX |
| Operating distance | Up to 4000 ft (1200 m) RS422/485 |
| Baud rate | Up to 921,600 baud |
| Power consumption | 80 mA @ 5 V |
| Weight | 0.0 kg |
| Size | 0 × 0 × 0 mm |
The device supports up to 921,600 baud.
Drivers are provided for Windows Vista (32‑ and 64‑bit) and Windows XP (32‑ and 64‑bit).
It has a 128‑byte transmit FIFO and a 256‑byte receive FIFO.
Yes, both full‑duplex and half‑duplex communication modes are supported.