17
3.7
USB Port Connectors (CN3, CN11)
The ROCKY- 4782EV provide 4 built-in USB ports for the future expansion needs.
CN3, CN11: USB Port Connectors
PIN DESCRIPTION PIN DESCRIPTION
1 VCC 8
GROUND
2 DATA- 7 DATA+
3 DATA+ 6 DATA-
4 GROUND 5 VCC
3.8
IrDA Infrared Interface Port (CN7)
The ROCKY-4782E2V’s built-in IrDA port supports the Serial Infrared (SIR) and the
Amplitude Shift Keyed IR (ASKIR) interfaces. To use the IrDA port, SIR or ASKIR
must be set in the COM2 settings of Peripheral Setup in BIOS Setup. The standard
RS-232 COM2 will be disabled.
CN7: IrDA Connector
PIN DESCRIPTION
1 VCC
2 NC
3 IR-RX
4 Ground
5 IR-TX
6 NC
