Datacom-systems J Class Instrukcja Użytkownika Pobierz pdf (Strona 80)

3-21

Reading the Busy Light

The CD-ROM busy light shows the status of the drive during the self

test and during activity with the host system.

The CD-ROM drive performs the self test when one of the following

happens:

• You load a disc and close the Disc Tray.

• You turn on the workstation with a disc already loaded in the

CD-ROM drive.

For the self test, the busy light operates in the following sequence:

1. Light On – The busy light goes on when the disc loads into

the drive.

2. Light Flashing – The light flashes six times while a read test

is performed on the disc.

3. Light Off – The light goes off when the self test is com-

plete.

The busy light stays on after the self test when one of the following

conditions exist:

• A defective disc

• A disc insertion error (for example, an upside-down disc)

• No disc present

The busy light goes off when one of the following conditions exist:

• A CD-ROM drive power failure exists.

• The drive is idle on the SCSI bus.

The busy light flashes during normal activity with the system.

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Datacom-systems J Class Instrukcja Użytkownika Strona 80