Connection
16
4
--
ID
5
4
Grounding
4.5 Grounding
Grounding protects the switch from lightning and interference. Therefore, you must ground
the switch properly. You need to ground the switch before it is powered on and disconnect
the grounding cable after the switch is powered off.
The switch provides a grounding screw on the top panel for chassis grounding. After
crimping one end of the grounding cable to a cold pressed terminal, secure the end to the
grounding screw and connect the other end to the earth firmly.
Note
：
Cross-sectional area of the chassis grounding cable>2.5mm
2
; grounding resistance<5
.
4.6 Power Terminal Block
There is a power terminal block on the top panel of the device. You need to connect the
power wires to the terminal block to provide power to the device. The device supports
redundant power input with a 5-pin 5.08mm-spacing plug-in terminal block. When one power
input is faulty, the device can continue operating properly, thereby improving network
reliability.
Note
：
0.75mm
2
<Cross-sectional area of the power wire<2.5mm
2
; grounding resistance<5
.
Use copper conductors only, temperature rating 75
℃
only.
5-Pin 5.08mm-Spacing Plug-in Terminal Block
Figure 20 5-Pin 5.08mm-Spacing Plug-in Terminal Block (socket)