EXSYS EX-1333VIS USB to Dual RS-232/422/485 Serial Adapter

The EXSYS EX-1333VIS stands out with two independently configurable serial ports supporting RS-232, RS-422, and RS-485 standards from a single USB connection. This metal-enclosed adapter is built for industrial and multi-drop environments where reliable serial communication is essential.

Highlights

• Two DB9 male serial ports, each supporting RS-232, RS-422, and RS-485
• FTDI chipset ensures broad operating system compatibility
• Data rates up to 921.6 Kbps per port
• RS-485 supports both 2-wire half-duplex and 4-wire full-duplex modes
• USB bus-powered, no external power supply needed
• Wall-mountable metal housing for industrial use

In daily use

The EX-1333VIS connects via USB 2.0 and provides two serial ports for legacy equipment, POS systems, or industrial automation. Each port has independent Tx/Rx LED indicators for quick status checks. Flow control options include RTS/CTS, XON/XOFF, and DTR/DSR, with configurable data bits (5, 6, 7, 8), parity (none, even, odd, mark, space), and stop bits (1, 1.5, 2). The included 1.8 m USB cable gives flexibility in placement.

Full specifications

• USB version: 2.0
• Chipset: FTDI
• Connector 1: USB Type-B
• Connector 2: 2x DB9 Male
• Baud rate: 921.6 Kbps
• Data bits: 5, 6, 7, 8
• Stop bits: 1, 1.5, 2
• Parity bit: None, Even, Odd, Mark, Space
• Flow Control type: RTS/CTS, XON/XOFF, DTR/DSR
• Operating temperature: 0°C to 55°C
• Cable length: 1.8 m

Final note

With dual configurable ports and rugged metal housing, the EX-1333VIS is a dependable choice for connecting multiple serial devices to modern USB systems.