Fujitsu stylistic lt, Справочное руководство

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IrDA I/O Port 5-13
IrDA I/O Port 5
The IrDA I/O port on the Stylistic LT pen tablet is compliant with the Infrared Data Association (IrDA)
Standard Revision 1.1. Specifications for the IrDA port on the pen tablet are given in Table 5-12. Before
you can use the IrDA port, the Serial Port B Device BIOS option must be set to IrDA or FIR. See
“Integrated Peripherals Submenu Options” on page 3-7 for details on BIOS options for the IrDA port.
Table 5-12 IrDA Port Specifications
IR Keyboard Port 5
Feature Specification
Standard supported IrDA Standard Revision 1.1
Distance Up to 1 meter point to point (environmental conditions affect usable range)
Conveyable wave Infrared rays (wavelength peak 875 nm)
Signal Send data (transmission) / Receive data (reception)
Modulation/Data Rate IrDA SIR: 9.6 - 115.2 Kbps
IrDA FIR: 4 Mbps
Angle 0° to 15° from center of beam (30° viewing angle)
Feature Specification
Transmit Format IR transmit (Fujitsu Takamizawa proprietary); one direction serial
Modulation Frequency 455MHz
Transmit Method Pulse Position Modulation (PPM)
Distance 50 mm - 1 m point to point (environmental conditions may affect usable
range)
Signal Send data (transmission)
Viewing Angle From center of beam:
Right direction: 30°
Left direction: 10°
Upper direction: 43°
Lower direction: 2°