Installation Manual of DS-3E2300P Series Ethernet Switch
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Chapter 4 Maintenance
Before opening the chassis, make sure that you have released the static you carried and
then turn off the power on-off of DS-3E2300P. Before operating any step in Appendix B,
read the section “Safety Advice”.
Before performing operations beside the power supply or on the chassis, turn off the power
on-off and plug out the power cable.
4.1 Opening the Chassis
This section describes how to open the cover of the switch, required tools and operation methods.
When the power cable still connects the power supply, do not touch it.
To uninstall the chassis, you need some tools which the standard configuration of DS-3E2300P does
not provide. These tools are:
Crossed screwdriver
Static armguard
Perform the following steps to open the cover of the switch:
Step 1 Cut off the power of the switch.
Step 2 Plug out all cables connected the back of the switch.
Step 3 Take out the bolt from the chassis with the screwdriver.
Step 4 Remove the 3 screws of both sides as shown in the first one of the following figures and take
off the upper cover as shown in the second of the following figures: