
Hardware Installations
2-3
pinouts.
Pin
MDI
MDI-X
1 Tx+
Rx+
2 Tx+
Rx-
3 Rx+
Tx+
6 Rx-
Tx-
Below are the illustrations of straight through connection and cross over connection.
Straight Through Cable Schematic
Cross Over Cable Schematic
“+” and “-” signs represent the polarity of the wires that make up each wire pair.
2-5 Fiber Ports
HUE-421SN & HUE-421SEN are equipped with multi-mode SC type fiber ports with connection distance up
to 2km. When you connect the fiber port to another one, please follow the figure below to connect
accordingly. Wrong connection will cause the port not working properly
2-6 Installing Your Ethernet Direct Switch
Unpack the HUE-421SN or HUE-421SEN from the packing box. Please refer to
Package Checklist
section
to see if any item is missing or damaged. The installation steps include:
Switch
Tx+
3
Tx-
6
Rx+
1
Rx-
2
DD+
4
DD-
5
DC+
7
DC-
8
Router or PC
3 Tx+
6 Tx-
1 Rx+
2 Rx-
4 DD+
5 DD-
7 DC+
8 DC-
Sw
Switch
Tx+
3
Tx-
6
Rx+
1
Rx-
2
DC+
4
DC-
5
DD+
7
DD-
8
Switch
1 Rx+
2 Rx-
3 Tx+
6 Tx-
7 DD+
8 DD-
4 DC+
5 DC-