Reference Guide

Chapter 3 Transport Layer Implementation Details
Parallel SCSI
DLT-S4 Interface Reference Guide 11
Supported Messages 3 The tape drive supports the messages and the direction of the message
flow as listed in table 2
and table 3.
Table 2 Supported Message In
List
Message In
Non-
Information
Units
Information
Units
Disconnect (04h)
D
Identify (80h+)
D
Ignore Wide Residue (23h)
D
Message Reject (07h)
DD
Modify Data Pointers (1,5,0)
D
Parallel Protocol Request (1,6,4)
D
QAS Request (55h)
D
Restore Pointers (03h)
D
Save Pointers (02h)
D
Simple Queue (20h,Tag)
D
Synchronous Transfer Req (1,3,1)
DD
Task Complete (00h)
D
Wide Transfer Request (1,2,3)
DD