Acer HDS AMS200 Reference Manual page 289

The Target name (example: [000:T000]) of the Target is registered in the CHAP User of
the Initiator at the disk array subsystem when the Initiator authentication of the CHAP
authentication is applied to the iSCSI System.
The User Name and its Secret of the Target are set correctly in the host computer when
the Initiator authentication of the CHAP authentication is applied to the iSCSI System.
The iSCSI Name of HBA on the assigned Initiator list of the Initiator at the disk array
subsystem is assigned to the Target of the disk array subsystem when Target security of
LUN Manager is enabled in the iSCSI port of the disk array subsystem.
If not, assign the iSCSI Name of the HBA to the Target.
Acer | HDS AMS200 User and Reference Guide 269