SYBA SY-HUB15054 USB 2.0 interface cards/adapter

USB 2.0 to 4 Port Serial RS422/485 Adapter Description

With the SY-HUB15054 USB 2.0 to 4 Port Serial Adapter, you are able to connect a single USB port to control and monitor four RS232 serial ports. This can then be used on applications such as POS Printer Terminal, Networking Systems, PLC Instrumentation device, Data Acquisition, and I/O Control modules.
USB signals: VCC, DATA+, DATA-, GND
RS-422 Signals: T/R+,T/R-, RXD+, RXD-, GND
RS-485 Signals: T/R+, T/R-, GND
Durable Metal Construction
Baud rate: 230Kbps
Automatic detection of the transmission rate of the serial interface signal
Supports bus powered, self powered and high power bus powered USB configurations