Appendix A Chassis views and technical
specifications
The HP FlexFabric 7900 Switch Series includes only one model: HP FlexFabric 7904 Switch Chassis.
An HP 7904 switch has an MPU section, an LPU section, a power supply section, and a fan tray section.
The MPU is built into the switch. The LPUs, fan trays, and power supplies are field replaceable unit (FRUs)
Unless otherwise stated, an LPU is referred to as a "card" in this document.
For more information about available cards, power supplies, and fan trays for the HP 7904 switch, see
"Appendix B FRUs and compatibility
Chassis views
Figure 37 Front view of the HP 7904 switch
(1) LPU slots
NOTE:
The HP 7904 switch comes with filler panels secured to LPU slots 2, 3, and 4.
view of an HP 7904 switch installed with four LSV1QGS12SA1 LPUs.
matrixes."
40
Figure 37
shows the front
.