mezzanine card

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The mezzanine card is a printed circuit board (PCB) that plugs directly into another plug-in card. For example, a mezzanine card, also known as a daughter board, might plug into a VME bus card, Compact PCI card, or PCI card to extend its functionality. Adapter cards are also available that enable a mezzanine card to plug into the larger slot of the target bus. Smaller than standard expansion cards, mezzanine cards are typically designed for rugged industrial use and are often bolted down after being plugged in. IndustryPack, PMC, PC*MIP, and PC/104+ are commonly used mezzanine cards.

Other related questions:
E9000 mezzanine cards
Mezzanine cards are installed on E9000 compute nodes and communicate with the switch modules through the midplane. The E9000 server supports the following mezzanine card models: ? MZ110: 4-port GE card ? MZ111: 4-port GE dual-chip card, applicable only to CH140s ? MZ311: 4-port 10GE RDMA over Converged Ethernet (RoCE) dual-chip card ? MZ510: 2-port 10GE CNA ? MZ512: 4-port 10GE CNA ? MZ610: 2-port IB Quad Data Rate (QDR) card ? MZ611: 2-port IB Fourteen Data Rate (FDR) card ? MZ612: 2-port IB FDR card, applicable only to CX610 and CX611 switch modules and the CH140 compute nodes. ? MZ613: 2-port IB QDR dual-chip card, applicable only to the CX610 and CX611 switch modules and CH140s ? MZ910: a card that provides two 10GE ports and two 10GE FCoE ports or two 10GE ports and two 8G FC ports. For more information, enter the mezzanine card model, for example, MZ110, to obtain detailed information.

What are the E9000 mezzanine card models?
E9000 mezzanine cards are installed on compute nodes and interwork with switch modules through the midplane. The mezzanine card models are as follows: ? MZ110: 4-port GE mezzanine card ? MZ111: 4-port GE dual-chip mezzanine card, which matches only the CH140 ? MZ311: 4-port 10GE RDMA over Converged Ethernet (RoCE) dual-chip mezzanine card ? MZ510: 2-port 10GE CNA mezzanine card ? MZ512: 4-port 10GE CNA mezzanine card ? MZ610: 2-port IB quad data rate (QDR) mezzanine card ? MZ611: 2-port IB fourteen data rate (FDR) mezzanine card ? MZ612: 2-port IB FDR dual-chip mezzanine card, which can only be used with the CX610 and CX611 switch modules and the CH140 compute node ? MZ613: 2-port IB QDR dual-chip mezzanine card, which can only be used with the CX610 and CX611 switch modules and the CH140 compute node ? MZ910: mezzanine card that provides two 10GE ports and two 10G FCoE ports, or two 10GE ports and two 8G FC ports For more details about a mezzanine card, enter a mezzanine card model. For example, enter MZ110.

Compatibility between E9000 switch modules and subcards of blades
For details about the mapping between the E9000 switch modules and the mezzanine cards of the blades, see http://support.huawei.com/huaweiconnect/enterprise/thread-268293.html.

E6000 network port mapping
The on-board NICs of an E6000 are connected to switching planes A1 and A2. The E6000 provides two mezzanine slots (MEZZ 1 and MEZZ 2) for port expansion. The card in MEZZ 1 communicates with B1 and B2 switch modules, and the card in MEZZ 2 communicates with C1 and C2 switch modules.

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