S3756 Hardware Installation Manual
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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. (Switch it to the
OFF
side)
(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:
