Chapter 4 Maintaining the Switch
Caution:
• Before opening the chassis, make sure that you have released the static you carried and the
n turn off the power on-off of the switch. Before operating any step in Appendix B, read the s
ection “Safety Advice”.
• Before performing operations beside the power source 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.
Caution:
When the power cable still connects the power source, do not touch it.
When you open the cover the switch, you may use the following tools: These tools are:
• 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 chassis with the screwdriver.
Note:
The chassis 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:
Note: The switch shown in the previous figure does not represent real SFC4254T switch.
5) When the cover is opened, put it aside. The mainframe of the system appears.
Note:
After taking off the cover, put it horizontally and avoid it to be crushed or collided. Otherwise,
the chassis is hard to install.
SFC4254T Hardware Installation Manual
