Port Multiplier (Pm) Compatibility - HighPoint RocketRAID 4520 Series User Manual

Port Multiplier (PM) Compatibility

HighPoint RocketRAID 4522 support port multipliers (PM) which enables connectivity
of up to 40 hard drives.
Example:
Connected to 1 port on the RocketRAID 4522, the port multiplier split the signal to 4
other targets. Under Physical Device Information (Location), the 1 represents the
RR4522 port, E1 represents the port multiplier, and 2...5 represents the additional
channels connected to the PM.
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