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Chapter 1 Library Description

Library Components

8 Quantum|ATL PowerStor L500 Series Tape Library User’s Guide

Bar Code Reader

(Optional)

An optional feature on the L500 Series library is a bar code reader

(see figure 7

). Residing on top of the cartridge array, the bar code

reader performs cartridge inventories in less than three minutes.

The bar code reader assembly is mounted above magazine 0

(tower version) or to the left of magazine 0 (rack mount version).

The reader’s scan head communicates with the loader controller on

an RS-422 communications link. During a cartridge inventory, the

scan head illuminates and reads the bar code labels on the

cartridges and transmits the results over the serial communications

link to the loader controller.

Figure 7 Bar Code

Reader

Cartridge Handling

Mechanism (CHM)

The Cartridge Handling Mechanism (CHM) is a compact bi-

directional roller system that enables simple horizontal movement

between cartridge bins and tape drives (see figure 8

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Quantum L500 Betriebsanweisung Seite 24