Hardware components

The AMU hardware consists of:

•A computer (AML controller) with screen, keyboard and trackball or mouse

•Programmable Multi-Axis Controller (PMAC board)

•Network board (Token Ring, Ethernet or FDDI)

Software components

The AMU software components are:

•Operating system OS/2

•Communication 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 cartridges to the compartments

−knows the status of compartments and drives

−stores information on scratchpool administration

•Conversion of the logical coordinates into physical coordinates

•Communication with 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.

2-4 Overview

DOC D00 025-A

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ADIC Switches manual Hardware components