Table 2.1: Key components, Connectors on Board
Category
Label
CN37
CN11
CN9
External
CN15
CN22
CN23
CN29
CN8
CN10
CN30
Internal
CN35
CN20
CN16
CN19
2.2
External I/O Connectors
Rubber stopper
Function
DC input Connector (Adapter)
RJ45 Connector (2 port)
COM port Connector (RS232/RS422/RS485)
HDMI and DP++ Connector
USB3.2 Connector (2 ports)
USB3.2 Connector (2 ports)
Audio Line out Connector (Convert to external I/O by cable)
Power Button Connector (Convert to external I/O by cable)
RS232/RS422/RS485 COM port Connector (Convert to
external I/O by cable)
GPIO 8bit Connector (Convert to external I/O by cable)
CANBus Connector (Convert to external I/O by cable)
Nano SIM slot Connector
M.2 Key E Connector for Wi-Fi
M.2 Key B Connector for Storage or LTE
USB3.2
DP1.2
RS-232/422/485
HDMI 1.4
Figure 2.3 Front I/O of UNO-238
7
DC input
Power button
Chassis grounding
RJ45 LAN
UNO-238 User Manual