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2.3.4
COM Connector
The UBC-DS31 provides one D-Sub 9-pin connector serial communication interface
port. The port can support RS-232 mode communication.
Table 2.2: COM Connector Pin Assignment
Pin
Description
1
N/C
3
COM2_TXD
5
GND
7
COM2_RTS
9
N/C
2.3.5
Ethernet Connector (LAN)
The UBC-DS31 provides one RJ45 LAN interface connector, it is fully compliant with
IEEE 802.3u 10/100/1000 Base-T CSMA/CD standards. The Ethernet port provides
standard RJ-45 connector with LED indicators on the front side to show Active/Link
status.
Pin
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
L1
L2
L3
L4
UBC-DS31 User Manual
Figure 2.7 COM connector
Pin
2
4
6
8
Figure 2.8 Ethernet connector
Description
GND
MDI0+
MDI0-
MDI1+
MDI1-
MDI2+
MDI2-
MDI3+
MDI3-
GND
+V3.3
LAN_LINK
+V3.3
LAN_ACT
8
Description
COM2_RXD
N/C
N/C
COM2_CTS
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