3
Safety Precaution
Attention
If the DC voltage is supplied by an external circuit, please use a protection device on the power
supply input. The industrial Ethernet switch’s hardware specs, ports, cabling information, and
wiring installation will be described within this user manual.
Warning Labels
The caution label means that you should check the certain information on user manual when
working with the device. (Shown in Figure 1.1)
Figure 1.1: Caution Label
This warning label is on the device, and means that the surface of the device is hot. (Shown
in Figure 1.2)
Figure 1.2: Hot Surface Warning Label