EXSYS EX-1322 USB 2.0 to Dual RS-232 Serial Adapter

This USB to dual RS-232 serial adapter provides two independent DB9 male ports from a single USB 2.0 connection. It delivers reliable serial communication at up to 921.6 Kbps per port, making it suitable for connecting legacy industrial devices, POS terminals, or laboratory instruments to modern computers.

Advantages

The FTDI chipset ensures broad operating system compatibility and stable performance across Windows, macOS, Linux, and Android. With 128-byte transmit and 256-byte receive FIFO buffers, it handles sustained data transfer without loss. The built-in 15kV ESD protection safeguards connected equipment from electrostatic discharge.

Suitable for

• Industrial automation and control systems
• Point-of-sale (POS) terminals and barcode scanners
• Legacy serial devices in laboratory or medical environments
• Field service and diagnostic applications

Key specifications

• Host interface: USB 2.0 Type-A male
• Device interface: 2 x RS-232 DB9 male
• Baud rate: up to 921.6 Kbps per port
• FIFO: 128-byte transmit, 256-byte receive
• Flow control: XON/XOFF, RTS/CTS, DTR/DSR
• Parity: None, Even, Odd, Mark, Space
• Data bits: 5, 6, 7, 8
• Stop bits: 1, 1.5, 2
• ESD protection: 15kV HBM
• Operating temperature: 0°C to 70°C
• Cable length: 0.8 m
• Power: USB bus-powered

Recommendations

Ideal for system integrators and IT professionals needing a dependable dual serial expansion solution with wide OS support and robust electrical protection.