Chapter 17 Crossbar Unit Replacement 17-3
FIGURE 17-2 XBU Mounting Locations (Front of M9000 with the Expansion Cabinet)
TABLE 17-1 lists the abbreviated names and numbers of the XBU.
TABLE 17-1 Abbreviated Names and Numbers of XBUs
Model name Abbreviated names and numbers
M9000 base cabinet XBU_B #0 to 7
M9000 expansion cabinet XBU_B #8 to 15
XBU_B#0-#7
#7
#6
#5
#4
#3
#2
#1
#0
XBU_B#8-#15
#15
#14
#13
#12
#11
#10
#9
#8
Base cabinet
Expansion cabinet