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CHAPTER 7: CONFIGURATIONS 103
Chapter 7: Configurations
The aim of the Main Units (such as P2-UMT1664“M”) and Stacking Units (such as
P2-UMT1664“S”) is to allow users to build the Paragon system to include additional channel
ports and the tiers up to three levels, so that more users and channels can be configured to control
more servers. The system does not need to be over-redundant in accessibility, but administrators
should consider the configurations illustrated in this chapter. In more complex stacked Paragon
setups, there are important guidelines about legal and illegal device configurations that must be
followed to ensure functionality.
Principles of Re-Connection
When a change is made to a connected tiered device, we recommended that power to all devices
is recycled, if possible. This includes the device where the connection is changed directly, as well
as all devices below it in the system architecture.
The sequence of power recycling should start from the HIGHEST tiered device and end with the
Base Unit (first-tier Paragon switch). For example, in a “Single Base” configuration (only one
Paragon switch as the Base Unit), if a connection change is made at a device on the third tier, the
sequence of power recycling should be as follows:
• The third-tier device with the changed connection
• The second-tier device connected to the third-tier device
• The Base Unit