QTech QSW-6900-56LF Series Hardware Installation And Reference Manual page 32

Installation Manual
5. Monitoring and Maintenance 32
Power Supply Maintenance
When the power supply fails, you only need to disconnect the power cable, unplug the power
module, replace it with a qualified one, and then connect the power cables.
Replacing Lithium Battery
The built-in lithium batteries can support the real time clock of the QSW-6900-56LF series
switches without external power supply.
Please contact the technical support representatives of QTECH for replacing lithium batteries.
Technical staff of QTECH will replace the battery of the same model.
Replacing Fuses
Please contact the technical support representatives of QTECH for replacing fuses. Technical
staff of QTECH will replace the fuse of the same model.
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