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21. CN24: Internal USB Header (Two Ports)
USB0/1: 2x4 8-pin Header
This header provides the connectivity to additional USB devices through an adapter cable.
Various adapters may come with USB ports on a slot bracket or ports that can be attached to
D-SUB openings on a chassis.
Table 2-22 CN24 USB Port Pinouts
PIN DESCRIPTION PIN DESCRIPTION
1 +5V 8 GND
2 USBDT2N 7 USBDT3P
3 USBDT2P 6 USBDT3N
4 GND 5 +5V
Figure 2-20 CN24 USB (1.1) Port
22. CN27: IrDA Port
This pin header allows you to connect external Infrared devices through an adapter cable.
The IrDA port supports either a Serial Infrared (SIR) or an Amplitude Shift Keyed IR(ASKIR)
interface. The header comes as a 1x5 pin 2.54mm pin header.
Table 2-23 CN27 IrDA Interface Port Pinouts
PIN DESCRIPTION PIN DESCRIPTION
1 +5V 2 N/C
3 IR-RX 4 GROUND
5 IR-TX
Figure 2-21
CN27 IrDA Interface Port
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