Two CPU Switch Modules may be utilized in an
RPU; one for the Main I/O chain and an optional
module for the Auxiliary I/O chain. The features and
The I/O chains from both CPUs interface to the CPU benefits of the CPU Switch module are summarized
Switch Module through two 37-pin connectors in Table 1, while Table 2 provides module
located at the top and middle positions of the Module. specifications.