UC-8100-ME-T Series Hardware User Manual
14
Connecting to the Console Port
The UC-8100-ME-T is provided with a 4-pin pin-header RS-232 console port, which is a located on the top
panel. This port is designed for connecting serial console terminals, which you can use to view the boot up
messages, and to troubleshoot when the system does not boot up.
Serial Console Port & Pinouts
Serial Console Cable
Pin
Signal
1
TxD
2
Rada
3
NC
4
GND
Connecting to the Network
Connect one end of the Ethernet cable to one of the UC-8100-ME-T’s 10/100M Ethernet ports (8-pin RJ45)
and the other end of the cable to the Ethernet network. If the cable is properly connected, the UC-8100-ME-
T will indicate a valid connection to the Ethernet in the following ways:
The LED indicator in the lower right corner glows a solid green
color when the cable is properly connected to a 100 Mbps Ethernet
network. The LED will flash on and off when Ethernet packets are
being transmitted or received.
Pin
Signal
1
ETx+
2
ETx-
3
ERx+
4
–
5
–
6
ERx-
7
–
8
–
The LED indicator in the upper right corner glows a solid orange
color when the cable is properly connected to a 10 Mbps Ethernet
network. The LED will flash on and off when Ethernet packets are
being transmitted or received.
Connecting to a Serial Device
Use certified serial cables to connect the UC-8100-ME-T to serial devices. The serial ports of the UC-8100-
ME-T use the 5-pin terminal block. The ports can be configured by software for RS-232, RS-422, or 2-wire
RS-485. The pin assignments are shown in the following table:
Terminal Block RS-232/422/485 Pinouts
Pin
RS-232
RS-422
RS-485
1
TXD
TXD+
–
2
RXD
TXD-
–
3
RTS
RXD+
D+
4
CTS
RXD-
D-
5
GND
GND
GND
