HP Integrity NonStop H-Series - Manual (Page 4)

Tandem 5142-xSE Rackmount Tape Subsystems User Guide iv
ii Terminology Used in This Manual
Emulator The fast SCSI bridge between the host and the tape drive that provides intelligence to
execute commands to the tape drive and manipulate data for display on the LCD.
Host Computer or platform that contains the tape controller (also known as SCSI initiator).
Initiator A SCSI device that initiates the SCSI protocol to control one or many target devices.
Subsystem Enclosure incorporating an interface to the host through the SCSI bridge board, tape
drive, power supply and cooling fan.
Target Receiver of the SCSI commands sent by an initiator. Target peripheral devices include
tape drives, tape drive robotics, disk drives, optical scanners, etc….