A-A-55001/4B
3.5.10 Operation vibration. This CD-ROM disk drive unit shall be able to withstand 0.1 Go-p at 7 Hertz (Hz)
to 300 Hz in x, y, and z directions without the loss of data transmission.
3.5.11 Nonoperating vibration. The nonoperating vibration shall be 1.0 Go-p at 7 Hz to 300 Hz.
3.5.12 Operational shock. This CD-ROM disk drive unit shall be able to withstand 0.4 Go-p at 11 ms half-
sine wave without the loss of data transmission.
3.5.13 Nonoperating shock. The nonoperating shock shall be 20 Go-p at 11 ms half-sine wave.
3.5.14 CD-audio compatibility. This CD-ROM disk drive unit shall be capable of reproducing CD audio. A
volume control and headphone stereo mini-jack for each CD-ROM disk drive shall be located in the front of
the unit.
3.5.15 SCSI addressing. SCSI addressing shall be external and user selectable.
3.5.16 Self-cleaning mechanism. CD-ROM disk drive units shall have a self-cleaning optical pickup
mechanism unless the CD-ROM disk drives are completely sealed to prevent dust intrusion.
3.5.17 Busy/in-use indicator light. This CD-ROM disk drive unit shall be supplied with at least one busy/in-
use indicator light for each CD-ROM disk drive.
3.5.18 Photo CD compatible. These CD-ROM multimedia disk drive units shall be multi-session photo CD
compatible.
3.6 Cabinet.
3.6.1 Cabinet dimensions. The cabinet dimensions shall be 355.6 mm (14 inches) in height maximum,
190.5 mm (7.5 inches) in width maximum, and 412.75 mm (16.25 inches) in length maximum and
functionally able to accommodate four CD-ROM disk drives.
3.6.2 Power supply. A power supply shall be enclosed which will support auto sensing or manual switching
for 110 volts (V) AC nominal and 220 V AC nominal.
3.6.3 Operating frequency. The operating frequency shall be 50/60 Hz.
3.6.4 Power switch. This CD-ROM disk drive unit shall be supplied with an external ON/OFF power switch.
3.6.5 Input/output (I/O) port. This CD-ROM disk drive unit shall have at least one built in I/O port for
chaining drives. If more than one I/O port is built in, an external terminator plug must be supplied with each
CD-ROM disk drive unit.
3.6.6 Cabinet material. The cabinet shall be constructed of a metal or a combination of metal and plastic
materials.
3.6.7 Temperature maintaining cooling fan. This CD-ROM disk drive unit shall be supplied with a cooling
fan that maintains the operational temperature range of the CD-ROM disk drives.
3.7 SCSI controller card for AA55001/04-01 and AA55001/04-03.
3.7.1 SCSI controller card characteristics. The controller card shall be 16-bit, MS DOS compatible with
IBM PC-XT, IBM PC-AT, 386sx, 386, 486sx, 486, or any 100 percent IBM compatible computer.
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