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The major difference between the ATM backplane and other ONcore hub LAN
backplanes is that each ATM media module has a dedicated set of connections to the
6416SW module. This set of dedicated connections constitutes a wiring star topology in
which ATM media modules are at the tips of the star and the 6416SW module is at the
center. The wiring topology used in the ATM backplane is shown in Figure 1-2.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Fan Area
ATM Bus Linking
6416SW Modules
Slot Positions for
6416SW Modules:
9 to 10 and 11 to 12
Slot Positions for
ATM Media Modules:
1 to 8 and 12 to 17
6416SW = ATM Switch/Control
Figure 1-2. Wiring Star Topology in ATM Backplane (17-slot model)
1-4 ONcore ATM Switch/Control Module: Installation and User's Guide