User’s Manual
Installation 11
SFP module structure
SFP module installation
Installing SFP Port
It is recommended that before installing SFP module, you should wear antistatic gloves, and
then wear antistatic wrist. Make sure that the antistatic gloves and the antistatic wrist are in
good contact.
Lift the handle of SFP module upward vertically, and stuck it to the top hook. Hold the SFP
module by both sides, and push it gently into the SFP slot till the SFP module is firmly
connected to the slot (you can feel that both the top and bottom spring strip of the SFP
module are firmly stuck with the SFP slot).
3.2.4 GND
GND terminal
Normal GND of the device is the important guarantee for device lightning protection and anti-
interference. You should connect the GND cable before powering on the device, and power off the
device before disconnecting the GND cable.
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