7
UNO-2372G User Manual
Chapter 2
H
ardware
F
unctionality
2.2
Serial Communication Ports
The UNO-2372G features four standard COM serial communication ports: COM1,
COM2, COM3, and COM4.
2.2.1
COM Port Interfaces (COM1, COM2, COM3, COM4)
The UNO-2372G is also equipped with four RS-232/422/485 ports (DB9, 50 ~ 115.2
kbps). The default setting for COM1 ~ 4 is RS-232. These settings can be adjusted in
the BIOS menu.
2.3
LAN: Ethernet Connector
UNO-2372G is equipped with two Gigabit LAN controllers. An Intel® i210 Ethernet
controller that complies with IEEE 802.3u 10/100/1000 Base-T is used as the control-
ler chip. The Ethernet port is a standard RJ-45 jack. Additionally, LED indicators are
provided on the front of the device to indicate the system’s Link (off/green/orange)
and Active (green) status.
2.4
Power Connector
UNO-2372G features a Phoenix connector that is compatible with 10 ~ 36 V
DC
exter-
nal power. The inclusion of reversed wiring protection means that reversed wiring of
the ground and power lines will not damage the system components. (Refer to
Appendix A.3 for more information.)
2.5
USB Connector
The USB interface supports plug-and-play functionality, which enables users to con-
nect or disconnect a device without turning off the computer. The UNO-2372G also
features four USB connectors that support plug-and-play and hot-swapping function-
ality for external devices. The USB interface can be enabled/disabled in the BIOS
menu. Furthermore, the UNO-2372G also features four USB ports that comply with
USB EHCI, Rev. 3.0, specifications. (Refer to Appendix A.5 for pin assignments.)
2.6
RTC Battery
The UNO-2372G is equipped with an RTC battery to ensure that the system clock
and BIOS settings are retained after power disconnections.
Type:
BR2032
Output Voltage:
3 V
DC
2.7
Power Button/Power Management
Press the “PWR” button to power on/off the UNO-2372G (ATX type). The system can
be configured to AT mode by adjusting the onboard switch to automatically turn the
system on when there is power input. (Refer to Appendix A.2 for more information.)
2.8
Reset Button
Press the “Reset” button to activate the hardware reset function.
