Acura Embedded AcuTab-A - Manual (Page 44)

Chapter 3
3.
Using the
AcuTab-A
1 . Introduction
This chapter describes the basic features and procedures for using the
panel PC. It includes the I/O ports connecting and the touch screen
operation.
3. 2 . Using the USB Ports
USB (Universal Serial Bus) is a hardware interface that enables you to
connect multiple devices (such as printers, mice, keyboards, storage
devices, joysticks, digital cameras, and video conference cameras, etc.)
to your tablet pc and up to 127 devices can be attached. Besides,
USB
’s hot swap capability allows everything to be plugged in and
unplugged without turning the system off.
Microsoft, HP, Compaq, Intel, Agere, NEC and Philip are seven core
members of USB-IF to have worked on USB 2.0 standardization. USB
2.0 offers data transfer rate up to 480Mbps (megabits per second)
compared to USB 1.1 devices, which transfer at speeds of 12Mbps. So,
you could know that USB 2.0 can transfer data between the computer
and its peripherals 40 times faster than USB 1.1. However, USB 2.0 is
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