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Universal Serial Bus Port
The Tablet PC and Tablet Dock provide Universal
Serial Bus (USB) ports that are compliant with the
Universal Serial Bus Specification Revision 2.0. A USB
port is a powered USB hub and can support
concurrent operation of up to 127 devices.
The Stylistic ST5100 Tablet PC provides two USB
ports, and functions as a USB host. The system
supports high-power, bus-powered functions as
defined in the USB specification. System resources for
the USB are assigned by the operating system, no
software configuration is necessary; however, it may
be necessary to install drivers and application
software to support your USB device. The Stylistic
ST5100 Tablet Dock provides three USB ports.
Contact Pin Locations
Position 3
Position 4
IrDA Port
The IrDA port on the Stylistic ST5100 Tablet PC is
compliant with the Infrared Data Association (IrDA)
Standard Revision 1.1. Specifications for the IrDA
port on the Tablet PC are given below. Before you can
Feature
Standard supported
Distance
Conveyable wave
Signal
Modulation/Data Rate
Angle
Table 4-3. USB Port Contacts
Contact
Number
1
Position 2
Position 1
2
3
4
Table 4-4. IrDA Port Specifications
IrDA Standard Revision 1.1
Up to 1 meter point to point (environmental conditions affect usable range)
Infrared rays (wavelength peak 875 nm)
Send data / Receive data
IrDA SIR: 9.6 - 115.2 Kbps
IrDA FIR: 4,000.0 Kbps
0° to 15° from center of beam (30° viewing angle)
Ensure that your USB configuration does not exceed
the individual port maximum load on the total
system load. Note that the conductor gauge and
length of your USB cabling will affect the voltage
drop and signal propagation between USB devices.
Refer to the Universal Serial Bus Specification for
details on cable requirements or contact your cable
vendor (see "Related Documentation" on page 2.)
Also note that some USB devices are self-powered
and do not draw power over the USB cable. Contact
pin assignments for the USB port are shown in the
table below.
Signal Name
Signal Description
5V
Cable power (+ 5 volts DC,
500mA)
DATA -
Data
DATA +
Data
GND
Cable ground
use the IrDA port, the Serial Port B Device BIOS
option must be set to IrDA or FIR. See "IrDA Port
Configuration Submenu Options" on page 12 for
details on BIOS options for the IrDA port.
Specification
Universal Serial Bus Port
4
4
38
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