3-1SectionMounting the Units
26
This Backplane has I/O Units mounted to it, but it has no CPU of its own. The
additional
Backplane must also have an
Expansion I/O Power Supply mounted
to
its rightmost position. This configuration of additional Backplane, Expansion
I/O Power Supply, and I/O Units is called an Expansion I/O Rack.
The
CPU Rack and Expansion I/O Rack shown above are connected by a Con
-
necting Cable (the length of Cable
between individual Racks can be up to 10 m,
but the total length of Cable between all Racks must be within 12 m).
Remember
that this whole configuration is
still referred to as one PC. It is possi
-
ble to add up to two Expansion I/O Racks to one CPU Rack. When installing I/O
Connecting Cables, cover any unused connectors with the caps provided.
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