Delivery Subsystems
Cable Only
Port
SAS
Port SATA
Tunnel
Cable and Expander
Port rt
Po
EXPANDER
Port
Port
SAS can be connected via a direct cable between initiator and target, this
would be used in a point to point configuration or for internal connectivity in a
desktop PC or laptop.
SAS connectivity can also be extended by using an Expander. There are two
types of Expander, Edge and Fanout.
An Edge Expander will support up to 128 SAS addresses
A Fanout Expander connects up to 128 Sets of Edge Expanders to form
a SAS Domain