Chapter 2 Installation
EC0-1814(B)
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Serial Port
The board provides one standard DB9 serial port and five 2x5Pin serial port (Pitch:
2.54mm). COM1 and COM2 support RS-232/RS-422/RS-485 mode. The board
adopts VGA+COM combo socket and the model is 1262-049-401-910-N
of ETL and the model of the corresponding terminal is 1165-109-001-000 of ETL or
the D-SUB 9Pin female terminals of other manufacturers.
Signal Name
COM1 ~ COM6
COM1/COM2
Pin
RS-232
RS-422
RS-485
1 DCD# TXD-
Data-
2 RXD
TXD+
Data+
3 TXD
RXD+
NC
4 DTR# RXD-
NC
5 GND GND
GND
6 DSR# NC
NC
7 RTS# NC
NC
8 CTS# NC
NC
9 RI# NC
NC
J1(COM1)
COM2 ~ COM6
10 NA NA
NA
Note: the data transmission direction is controlled automatically at RS-485 mode.
USB Port
The board provides two sets of RJ45+dual USB connectors (J2 and J3) and two sets
of 2x5Pin USB pin headers (J4 and J5, Pitch: 2.54mm), which can support eight USB
devices in all.
Pin
Signal Name
1
+5V
2
USB_Data-
3
U
J2/J3(USB)
4
GND
Note: it adopts RJ45+2USB combo socket of SUYIN 020180M500PM417ZA;