A-A-55001/1B
3.3.12 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.
3.3.13 Nonoperating shock. The nonoperating shock shall be 20 Go-p at 11 ms half-sine wave.
3.3.14 CD-audio compatibility. This CD-ROM disk drive unit shall be capable of reproducing CD audio. A
volume control and headphone stereo mini-jack shall be located in the front of the CD-ROM disk drive unit.
3.3.15 SCSI addressing. SCSI addressing shall be external and user selectable.
3.3.16 Self-cleaning mechanism. Each CD-ROM disk drive shall have a self-cleaning optical pickup
mechanism unless the CD-ROM disk drive is completely sealed to prevent dust intrusion.
3.3.17 Busy/in-use indicator light. This CD-ROM disk drive unit shall be supplied with one busy/in-use
indicator light.
3.3.18 Photo CD compatible. These CD-ROM multimedia disk drive units shall be multi-session photo CD
compatible.
3.3.19 Federal Communications Commission (FCC) approval. This CD-ROM disk drive unit shall be
certified to FCC, class B computing devices pursuant to subpart J of part 15 of FCC rules.
3.3.20 UL approval. This CD-ROM disk drive unit shall be certified to UL 1950 for electronic data
processing (EDP) equipment. Certification shall be performed by UL or another nationally recognized
testing laboratory licensed by the United States Government to certify electrical products for compliance to
UL standards.
3.4 Cabinet.
3.4.1 Cabinet dimensions. The cabinet dimensions shall be 95 mm (3.75 inches) in height maximum,
228.6 mm (9 inches) in width maximum, and 381.0 mm (15 inches) in depth maximum and functionally
able to accommodate one CD-ROM disk drive.
3.4.2 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.
3.4.3 Operating frequency. The operating frequency shall be 50 Hz to 60 Hz.
3.4.4 Power switch. This CD-ROM disk drive unit shall be supplied with an external ON/OFF power switch.
3.4.5 Input/output (I/O) port. An I/O port shall be built-in for chaining CD-ROM disk drives.
3.4.6 Cabinet material. The cabinet shall be constructed of a metal or a combination of metal and plastic
materials.
3.5 SCSI controller card for AA55001/01-01 and AA55001/01-03.
3.5.1 SCSI controller card characteristics. The SCSI 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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