Datasheet

Fibre Channel Interface
1-14 C141-C008
a) SCSI write operation
Exchange ; from command frame to response frame
:
FCP_DATA_IU (Write)
FCP_XFER_RDY_IU
FCP_CMND_IU (WT)
3)
2)
1)
Target (drive)Initiator
FCP_RSP_IU4)
b) SCSI read operation
Exchange ; from command frame to response frame
:
FCP_DATA_IU (Read)
FCP_CMND_IU (RD)
3)
1)
Target (drive)Initiator
FCP_RSP_IU4)
Figure 1.7 Examples of exchange
1) FCP_CMND_IU; includes SCSI command and the control information
2) FCP_DATA_RDY_IU; permits the data transmission from the initiator
to the drive
3) FCP_Data_IU; Read or Write data between the initiator and the drive
4) FCP_RSP_IU; Used by the drive to report status/sense data to the
initiator