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Procedures:
1. Before replacing the faulty switch, be sure to clearly mark the corresponding relationship between the
network cable and the port.
2. Check whether the business is ready for power-off, and save relevant business information.
3. Disconnect the power cord and ground wire of the faulty device.
4. Pull out all the network cables and optical fibers of the faulty device.
5. Loosen the fixing screws of the faulty device and remove the faulty device.
6. Install the new equipment, the sequence is the reverse of dismantling the faulty equipment. Fix the
screws first, then connect the network cable, optical fiber, and finally connect the power cord and ground
wire of the device. Be careful not to touch the power lines, network cables, and optical fibers of other
equipment during the replacement process to avoid greater losses.
Hardware Installation and Parts Replacement
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