Lenovo G7028 Installation Manual page 56

To remove one of the installed SFP or SFP+ transceiver modules from the switch,
complete the following steps.
1. Disconnect the port cable from the transceiver.
2. Pull down the locking lever to release the transceiver.
3. Gently slide the transceiver out of the switch.
4. After you remove the transceiver, replace the safety cap.
To replace the transceiver module, see the appropriate section under "Installing Port
Transceivers" on page 51.
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G7028 Installation Guide