After disconnecting the network cable from an SFP transceiver, theimmediate next step is to reinstall the dust plugsinto the optical bores. This action prevents contamination from dust or debris that can damage the optical interfaces or degrade performance.
It’s important to protect the exposed optical port before handling the rest of the transceiver module. Dust plugs help maintain the integrity of the component until a new cable or module is connected.
[Reference:Supporting Cisco Devices for Field Technicians (FLDTEC) – Maintenance and RMA Procedures, ===========]
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