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Rules for Setting Drawer IDs
For each cabinet no matter whether it is a system cabinet, power cabinet, or
expander cabinet, the following rules apply:
1. Platform component push-wheel numbering begins with 0.
2. CPU drawers are numbered first, power subracks second and IO drawers
third.
3. Components are numbered sequentially from bottom to top.
Component Push-wheel ID location in cabinet Note
2P or 8P drawer sequentially from
0 to n
Drawer closest to the
floor is 0
Drawer above 0 is 1,
drawer above 1 is 2...
Power subracks sequentially from
n+1 to m
Power subrack closest
to the floor is n+1
n = highest numbered
2P or 8P drawer
I/O drawers sequentially from
m+1 to p
I/O drawer closest to the
floor is m+1
power subrack
Example 1: a system cabinet with two 8P drawers, two power subracks, and two
I/O drawers would have the following IDs:
8P drawers 0 and 1
Power subracks 2 and 3
I/O drawers 4 and 5
Example 2: a power cabinet with four power subracks and four I/O drawers would
have the following IDs:
Power subracks 0 through 3
I/O drawers 4 through 7
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