2-4 Overview DOC D00 025-A
Hardware components
The AMU hardwar e consists of:
• A com puter (AML control ler) with screen, keyboard and trac kball or
mouse
• Programmable Mul ti-Axis Controller (PMAC board)
• Network board (Token Ring, Ethernet or FDDI)
Software components
The AMU software components are:
• Operating system OS/2
• Communicatio n Manager/2 , TCP/IP
• Database Manager/2
• AML Management Software (AMS)
Tasks of the AMU:
• Host communication
−interprets the commands coming from the host computer
−checks these commands for executability
• Archive catalogue administration
−stores the logical coordinates of the compartments
−assigns the c artridges to the compartments
−knows the status of compartments and dr ives
−stores information on scratchpool administration
• Conversion of the logical coordinates into physical coordinates
• Commu ni c a ti o n wi th the control unit
• User interface
−for start-up
−for service
−for the operator
• Configuration (describes the individual structure of the archive)
Information
The AMU does not register the data contents of the cartridges.