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Chapter 4 Maintaining Switch
Caution:
1) Before opening the machine box, make sure that you have released the
static you carried and then turn off the power on-off of the switch. Before
operating any step in Appendix B, read the section “
Safety Advice
”.
2) Before performing operations beside the power source or on the machine
box, turn off the power on-off and plug out the power cable.
4.1 Opening the Machine Box
This section describes how to open the cover of the switch, required tools and
operation methods.
Caution:
When the power cable still connects the power supply, do not touch it.
When you open the cover the switch, you may use the following tools:
Crossed screwdriver
Static armguard
Perform the following steps to open the cover of the switch:
(1) Turn off the power on-off of the switch.
(2) Plug out all cables connected the back of the switch.
(3) Take out the bolt from the machine box with the screwdriver.
Note:
The machine box comprises of two parts: cover and bottom.
(4) Open the cover by holding two sides of the cover towards the direction of the
arrow key shown in the following figure:
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