I/O Subsystem (One Side of Subsystem 1 with IBF) RIO Cabling to I/O
Books, Two I/O Planar Loop Configuration
Note: The following graphic applies to CECs with RIO, or thumbscrew retention, connections.
4
3
1
0
1
Primary Rack
2
Primary I/O Book
1
A0
A1
2
3
4
First I/O Subsystem (Minimum I/O, Single I/O
Board Installed)
Secondary I/O Book
Appendix G. Subsystem Positioning and Cabling
73