Inflammable Environment; Mechanical Safety - Huawei ETP4830-A1 User Manual

ETP4830-A1
User Manual
Dedicated tools must be used during high voltage and AC operations. Avoid using ordinary
tools.
High Electrical Leakage
Ground the device before powering it on. Otherwise, personal injury or device damage may
be caused by high leakage current.
If the "high electrical leakage" tag is present on the power terminal of the device, you must
ground the device before powering it on.

1.1.3 Inflammable Environment

Operating the electrical device in an inflammable environment can be fatal.
Do not place the device in an environment that has inflammable and explosive air or gas. Do
not perform any operation in this environment.

1.1.4 Mechanical Safety

Drilling Holes
Do not drill the cabinet at will. Drilling holes without complying with the requirements affects
the electromagnetic shielding performance of the cabinet and damages the cables inside the
cabinet. In addition, if the scraps caused by drilling enter the cabinet, the printed circuit
boards (PCBs) may be short circuited.
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Issue 06 (2014-02-20)
Before you drill a hole in the cabinet, wear insulated gloves and remove the internal
cables from the cabinet.
Wear an eye protector when drilling holes. This is to prevent your eyes from being
injured by the splashing metal scraps.
Ensure that the scraps caused by drilling do not enter the cabinet.
Drilling holes without complying with the requirements affects the electromagnetic
shielding performance of the cabinet.
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