7 UNO-2272G User Manual
Chapter 2 Hardware Functionality
2.2 UNO-2272G Interface
UNO-2272G offers one standard COM serial communication interface ports: COM1.
The IRQ and I/O address range of COM1 is listed below:
COM1: 3F8h, IRQ4
The setting can be adjusted in the bios page, the driver will be installed automatically
during OS installation
2.2.1 COM Port Interface (COM 1)
For UNO-2272G-N2AE, 1 x RS-232, DB9, 50~115.2kbps.
For UNO-2272G-J2AE, 1 x RS-232 (RS-422/485 by BIOS option), DB9,
50~115.2kbps
Refer to Appendix A.3 for their pin assignments.
2.3 LAN: Ethernet Connector
UNO-2272Gs are equipped with one Gigabit LAN controller.
For the UNO-2272G-N2AE, the controller chip used is an Intel 82583V Ethernet con-
troller that is fully compliant with IEEE 802.3u 10/100/1000 Base-T
For the UNO-2272G-J2AE, the controller chip used is an Intel i210 Ethernet control-
ler that is fully compliant with IEEE 802.3u 10/100/1000 Base-T.
The Ethernet port is a standard RJ-45 jack, and LED indicators are on the front to
show its Link (Green LED) and Active (Yellow LED) status.
2.4 Power Connector
The UNO-2272G comes with a Phoenix connector that carries 24 V
DC
external
power input, and features reversed wiring protection. Therefore, it will not cause any
damage to the system by reversed wiring of ground line and power line. Refer to
Appendix A.4
2.5 USB Connector
The USB interface supports Plug and Play, which enables you to connect or discon-
nect a device whenever you want, without turning off the computer. The UNO-2272G
provides three USB connectors, which gives complete Plug & Play and hot swapping
for up to 127 external devices. The USB interface can be disabled in the system
BIOS
For the UNO-2272G-N2AE, there are three [3] USB ports which comply with USB
EHCI, Rev. 2.0 compliant.
For the UNO-2272G-J2AE, there are three [3] USB ports, two [2] ports comply with
USB EHCI, Rev. 2.0 compliant and one [1] port complies with USB EHCI, Rev. 3.0
compliant
Refer to Appendix A.5 for its pin assignments.
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