Gain 16 RS232 serial port interfaces through a single USB port Connect multiple hubs together through daisy chain functionality 921.6Kbps baud per port 256-byte transmit, 128-byte receive FIFO Rack-mountable design COM port retention Extended operating temperature range: -40°C to 85°C (-40°F to 185°F) Durable all-metal chassis Low USB bandwidth consumption USB 2.0 compatible Convert a USB port into 16 RS232 serial ports in an industrial rack-mountable chassis - and daisy chain multiple hubs for a scalable solutionHere's an easy and cost-efficient way to add RS232 serial capability to your industrial setting. This 16-port USB-to-serial adapter hub features a sturdy, rack-mountable chassis, and supports daisy chaining, so you can connect multiple hubs together to increase your serial device port count.A scalable solution for changing needsThis rack-mountable USB serial hub lets you add 16 serial ports (RS232), with full control from your desktop or laptop computer system using a single U