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onto an Expansion I/O Backplane to which a Power Supply and up to eight
other Units are mounted.
An Expansion I/O Rack is always connected to the CPU via the connectors
on the Backplanes, allowing communication between the two Racks. Up to
two Expansion I/O Racks can be connected in series to the CPU Rack.
Only I/O Units and Special I/O Units can be mounted to Slave Racks. All I/O
Units, Special I/O Units, Remote I/O Master Units, PC and Host Link Units,
can be mounted to any slot on all other Racks, although mounting to the two
rightmost slots on the CPU Rack may interfere with the mounting of peripher-
al devices. With the CPU11-E CPU Unit, SYSMAC LINK and NET Link Units
can be mounted to the two rightmost slots on the CPU Rack.
Refer to the C200H Installation Guide for details about which slots can be
used for which Units and other details about PC configuration. The way in
which I/O points on Units are allocated in memory is described in 3-3 IR
Area.
Unit Mounting Position
PC Configuration Section 2-2
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