Connection
14
How to Connect the SFP Electrical Module
Insert the SFP electrical module into the SFP slot in the switch, and then insert the RJ45
connector of the twisted pair into the SFP module.
Figure 19 Connecting the SFP Electrical Module
4.4 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.
Figure 20 Grounding
Note:
Cross-sectional area of the chassis grounding cable>2.5mm
2
; grounding resistance<5
4.5 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 for the device. The device supports single power
supply with 3-pin 5.08mm-spacing plug-in terminal block and redundant power supply with 5-pin
5.08mm-spacing plug-in terminal block. When the redundant power supply is used and one