Reference Guide

Chapter 4 SCSI Commands
MODE SENSE (6) / (10) Command (1Ah / 5Ah)
DLT-S4 Interface Reference Guide 187
Table 106 SAS — Port Control
MODE SENSE Page — Field
Descriptions
Field Description
PS Parameters Savable. Always set to 0.
SPF SubPage Format. Always set to 0. Indicates that this page uses the page_0 page format.
Page Code Identifies the type of
MODE SENSE page being transferred. A value of 19h identifies this
as the protocol-specific Port Control page.
Page Length Indicates the number of bytes in the page, excluding bytes 0 and 1.
Ready LED
Meaning
Always set to 0.
Protocol
Identifier
A value of 6h indicates that this mode page applies to an SAS-1.1 port (see the Serial
Attached SCSI – 1. 1 (SAS-1.1) standard for specific SAS information).
I_T Nexus
Loss Time
Contains the time that the SSP target retries connection requests to an SSP initiator that
are reject with responses indicating the SSP initiator port may no longer be present before
recognizing an I_T Nexus Loss (at 2000 ms).
Initiator
Response
Timeout
Contains the time in milliseconds that the SSP target port waits for the receipt of a frame
(e.g., a write DATA frame) before aborting the command associated with that frame.