Topologies In Sas Interface; Figure 1.1 Sas Drive Connection Patterns - Fujitsu MAU3147RC SERIES Technical Manual

Serial attached scsi interface specifications

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Serial Attached SCSI (SAS) Interface

1.1 Topologies in SAS Interface

As shown in Figure 1.1, SAS drives have two connection patterns: point-to-

point connection and expander connection.

SAS supports the three protocols listed below. Among these protocols, SAS

drives support only SSP.

Serial SCSI Protocol (SSP)

Serial ATA Tunneling Protocol (STP)

Serial Management Protocol (SMP)

SAS HBA (INIT)

SSP (Serial SCSI Protocol)

SAS HBAs (INIT)

SAS Expander (s)