Figure 4: HP BladeSystem c-3000 Enclosure Rack and Tower Interconnect Bay Numbering
| Server blade signal | Interconnect bay | Interconnect bay label |
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| NIC 1, 2, 3, 4 (embedded) | 1 | – Orange hexagon |
| | | | |
| Mezzanine 1 | 2 | – Yellow square |
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| Mezzanine 2 | 3 and 4 | – Green circle |
| | | | |
| Mezzanine 3 | 3 and 4 | – Blue diamond |
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| | | | |
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Figure 5 shows the interconnections between the server blades and interconnect switch module (SWM) ports for the c7000 enclosure, with a similar physical interconnect bay color-coding scheme (see figure 6). The mapping of the Bl860c and BL870c blade connections to the switch module bay ports is similar to the c3000 enclosure; however since the enclosure has 8 available device bays,
∙if a BL870c server blade is in device bays 1 and 2, the value of "N" is 2∙if a BL870c server blade is in device bays 3 and 4, the value of "N" is 4∙If a BL870c server blade is in device bays 5 and 6, the value of "N" is 6∙If a BL870c server blade is in device bays 7 and 8, the value of "N" is 8