Figure 1.10 Sas To Sas Oob Sequence - Fujitsu MAU3147RC SERIES Technical Manual

Scenario 1: Both SAS phys start SAS OOB sequence at same time
Phy A Tx/
Phy B Rx
Phy A Rx/
Phy B Tx
Scenario 2: SAS phy A starts SAS OOB sequence
Phy A Tx/
Phy B Rx
Phy A Rx/
Phy B Tx
Scenario 3: SAS phy B misses SAS phy A's COMINIT
Phy A Tx/
Phy B Rx
Phy A Rx/
Phy B Tx
A: SAS phy A power on
B: SAS phy B power on
Time 0 : SAS phy reset sequence begins
Time z: SAS speed negotiation sequence begins
C141-C009
COMINIT
A
Time=0
B
COMINIT
COMINIT
A
Time=0
B
COMINIT
COMINIT
A
Time=0
B

Figure 1.10 SAS to SAS OOB sequence

COMSAS
Time=z
COMSAS
COMSAS
Time=z
COMSAS
COMSAS
Time=z
COMINIT
COMSAS
1.3 Phy layer
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