Are the power modules of the S7700&S9700 hot swappable

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Power modules of the S7700&S9700 are hot swappable. Before removing a power module, ensure that the chassis can work normally without the power module. When removing or installing a power module, take electrical protective measures to avoid electric shock.

Other related questions:
Are the power modules of the S12700 hot swappable
Power modules of the S12700 are hot swappable. Before removing a power module, ensure that the chassis can work normally without the power module. When removing or installing a power module, take electrical protective measures to avoid electric shock.

Does the S7700&S9700 support hot backup
The S7700&S9700 supports hot backup. When the master main control board fails, the S7700&S9700 automatically switches services to the slave board without interrupting the services. The software versions of the master board and slave board must be the same. You can also run the slave switchover command to trigger the active/standby switchover manually. [HUAWEI] slave switchover Caution!!! Confirm switch slave to master[Y/N]?y Ensure that data on the master board is backed up to the slave board before you trigger the master/slave switchover. That is, the slave board is in the real-time backup state. If the board is backing up data, you cannot perform switchover. In this case, you can run the display switch state command to view the status of the slave board. display switch state Master MPU: Realtime and routine backup. Slave MPU: Receiving realtime and routine data.

Are cards of S series switches hot swappable
Most of the cards of modular switches are hot swappable, and only the following cards are not: - S9300: subcards of LE0MFSUA, LE0D0VSTSA00, and LE0D0WMNPA00 - S7700: ES0D00FSUA00, ES02VSTSA, and LE0D0VSTSA00 - S9700: subcards of EH1D2VS08000 and EH1D2WM00000You can use Hardware Query Tool to query whether a card is hot swappable.

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