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Quantum ATL M2500 Library User’s Guide Addendum—Prism FC420 Bridge Option

Document 6473031-01, Ver. 1, Rel. 1

August 2002

Cabling the ATL M2500 Library for Fibre Channel 5

Figure 2 shows typical cabling for a two-drive library.

Figure 2 Two-drive

Cabling

In a two-drive library, the second drive (Drive 2) should be connected

to the available FC420 SCSI port, creating a second SCSI bus. This fully

utilizes the FC420 Fibre bridge and maximizes the communication

bandwidth available to each tape drive.

Cabling with Three or

More Drives

When cabling ATL M2500 libraries with three or more tape drives, you

need to know the type of tape drive installed in the library and the

data transfer rate of the SAN to determine the correct SCSI

configuration.

Note: As with the one- and two-drive configurations, all Fibre-to-

SCSI cabling configurations must include the SCSI controller

so that SCSI commands intended for the robot are

successfully communicated.

Drive 2 Drive 1

Slot for FC420

FC420

SCSI controller

SCSI

SAN

Fibre

M2500

Auxiliary

electronics

module

Primary

electronics

module

Term i n at o r

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