H3C S7500E Series Ethernet Switches Installation Manual

Installation Manual
H3C S7500E Series Ethernet Switches Chapter 2 Installation Preparations
2-1
Chapter 2 Installation Preparations
2.1 Safety Instructions
To avoid damage to human body and devices, please read the following safety
recommendations carefully before installing the S7500E series. The recommendations
do not cover every possible hazardous condition.
2.1.1 General Instructions
z Turn OFF all the powers and remove all the power cables before opening the
chassis.
z Keep the chassis clean and dust-free.
z Keep the chassis and installation tools away from walk areas.
z Do not wear loose clothing, jewelry (including ring and necklace, and so on) or any
other things that could get caught in the chassis when you install and maintain the
switch.
2.1.2 Electrical Safety
z Look carefully for possible hazards in your work area, such as ungrounded power
extension cables, missing safety grounds, and moist floors.
z Locate the emergency power-off switch in the room before installation. Shut the
power off at once in case accident occurs.
z Unplug all the power cables and external cables before moving the chassis.
z Better not maintain the equipment alone when it has been powered by electricity.
z Never assume that power is disconnected from a circuit. Always check.
z Do not place the switch on a moist area and avoid liquid flowing into the switch.
2.1.3 Handling Safety
The S7500E series are rather big and heavy, so follow the recommendations below
when moving them.
z Turn off all the powers and remove all the power cables before opening the
chassis.
z Do not move the switch alone. Work with another person.
z Move the switch slowly and stably. Never move suddenly or twist your body.
z Move the switch at stable and consistent paces with your peer. Keep balance of
your body.