BH621 V2 mezzanine cards

The BH621 V2 supports three types of Peripheral Component Interconnect Express (PCIe) x8 mezzanine I/O expansion cards, which are connected to the switch modules through the chassis midplane.
GE expansion card
10GE expansion card
FC expansion card
Note:
Intelligent network interface cards (iNICs) are have special requirements on installation requirements.
For details about the mezzanine cards supported by the BH621 V2, see the compatibility checker: http://support.huawei.com/onlinetoolsweb/ftca/en
Expansion cards are connected to CPU 2. If CPU 2 is not installed, the expansion cards are useless.

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