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Chapter, Starting the enclosure, Connecting the scsi bus cables – Compaq 4200 Family User Manual

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Chapter

2

Starting the Enclosure

With the enclosure installed in a rack or tower it is necessary to:

1. Connect the SCSI bus cables.

2. Apply power.

3. Verify proper operation.

Connecting the SCSI Bus Cables

Connecting the enclosure to a host adapter or SCSI bus controller is simply a matter of
connecting cables to the I/O module. All I/O modules has 68-pin, very high density
computer interface
(VHDCI) connectors.

Figure 2–1 shows the cable connectors for a single bus configuration.

CAUTION: Connecting or disconnecting a SCSI bus cable while data is being
transferred causes the loss of data.

To prevent inducing an error,

always quiesce the SCSI bus before connecting or

disconnecting a cable.