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PC 8175 User's Manual
2.3
Serial Port Interface
The PC 8175 has four onboard serial ports, COM1, COM2, COM3,
COM4 are RS-232 Port Connector.
The connector, COM1, COM2, COM3 are DB-9 connector, and the
following table shows the pin assignments of this connector.
Pin
Signal Name
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5
GND, ground
2.4
VGA
The PC 8175 has an analog RGB interface connector. It is able to
connect to an expansion CRT monitor, and the system can display
on both the flat panel and the CRT simultaneously.
2.5
Ethernet
The PC 8175 provides 2 Ethernet (RJ-45) interfaces. For network
connection, just plug in one cable end of the PC 8175
10/100/1000-Base-T Hub into the standard RJ-45 connector. The pin
assignment of the RJ-45 is listed below.
14
Pin
Signal Name
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI/+5V/+12V Ring indicator
Hardware Installation
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