FUJITSU SPARC ENTERPRISE M8000 - Manual (Page 481)

Appendix B Components B-35
B.21 Backplane
The backplane (BP) is a printed circuit board (PCB) that has connectors and PC
board used to interconnect the cabinet-mounted units. There are two types of BP for
SPARC Enterprise available: namely, the BP_A for the M8000 and the BP_B for the
M9000. The BP_A makes connections among CMU, IOU, XSCFU and DDC_A (See
next section). The BP_B makes connections among CMU, IOU, XSCFU, CLKU and
XBU.
The BP is shown in FIGURE B-31 and FIGURE B-32 .
FIGURE B-31 Backplane (BP_A)