Black Box USB Hub - serial adapter

Why install an internal serial adapter to get extra COM ports when using an external USB connection makes more sense? Black Box USB Hubs convert your serial devices to USB-adaptable peripherals without sacrificing serial connection speeds.
The hubs feature high-speed UARTs with 128-byte FIFO transmit buffers and 384-byte FIFO receive buffers. With data rates of up to 460 kbps for RS-232, these hubs are among the fastest USB serial devices in the industry! They're also ideal for connecting devices in harsh environments where communication lines may be affected by noise and voltage spikes.
The USB Hubs connect easily to peripheral serial devices in external plug-and-play fashion. Because they're hot-swappable, you can install them without having to power down your PC.

Key Points

• Enables you to add a serial port to your PC, laptop, Thin client, or server via a single USB port
• An easy, economical alternative to installing a serial board in your PC
• Port speeds up to 230 kbps
• Configurable COM port assignment
• Wide range of operating system support for Windows users
• No external power required