1 Safety Instructions
General Instructions
l Comply with all local laws and regulations when installing the hardware. The safety
instructions in this document are only supplemental to local laws and regulations.
l Observe the safety instructions that accompany all "DANGER", "WARNING",
"CAUTION", and "NOTICE" symbols in this document. These instructions are only
supplemental to other safety measures.
l When installing hardware, follow all safety instructions provided on the device labels
and in this document.
l Operations involving high voltages or moving equipment must be performed by
authorized, qualified personnel.
l Take protective measures before operating the device in residential areas as it is likely to
cause radio interference.
Personal Safety
To ensure personal safety, note the following points:
l Only personnel certified or authorized by Huawei are allowed to install the hardware.
l Discontinue any dangerous operations and take protective measures. Problems that may
cause personal injury or device damage should be immediately reported to the project
supervisor.
l Do not operate the product or handle cables during thunderstorms.
l Exercise caution when using tools that could cause personal injury.
l Use a stacker to lift a device above shoulder height. This will prevent it from falling.
l Do not touch high-voltage cables directly or indirectly.
l Before powering on a device, ensure that it has been properly grounded.
l Do not use a ladder alone.
l To avoid damaging your eyes when installing, testing, or replacing optical cables, do not
look into optical ports without eye protection.
l Wear clean protective gloves, ESD clothing, a protective hat, and protective shoes, as
shown in Figure 1-1.
CX320 Switch Module
User Guide
1 Safety Instructions
Issue 09 (2019-08-02) Copyright © Huawei Technologies Co., Ltd. 1
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