Maintaining A Switch - Huawei S2700 Hardware Installation And Maintenance Manual

S2700&S3700&S5700&S6700 Switch
Hardware Installation and Maintenance Guide
About This Chapter
Before sending a switch for repair or discarding it, format its flash storage to ensure data
security and run the reset boot password command to reset its BootROM menu password.
When installed in a normal operating environment, fixed switches do not need dust cleaning.
Do not disassemble the equipment.
Some switch models provide the JTAG function through edge connectors on the PCB, as
shown in
during maintenance.
Issue 13 (2017-11-20)
11
NOTICE
Figure 11-1. The JTAG function is used for equipment checks and fault diagnosis
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Maintaining a Switch

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