A-A-55001/2B
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 for each CD-ROM disk drive shall be located in the front of
the unit.
3.3.15 SCSI addressing. SCSI addressing shall be external and user selectable.
3.3.16 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.
3.3.17 Busy/in-use indicator light. This CD-ROM disk drive unit shall be supplied with one busy/in-use
indicator light for each CD-ROM disk drive.
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. A CD-ROM disk
drive unit consists of a number of connected CD-ROM disk drives within a single cabinet as a distinct fully
integrated unit.
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 191.7 mm (7.55 inches) in height maximum,
228.6 mm (9 inches) in width maximum, and 406.4 mm (16 inches) in length maximum and functionally
able to accommodate two CD-ROM disk drives.
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. This CD-ROM disk drive unit shall be supplied with 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.
3.4.6 Cabinet material. The cabinet shall be constructed of a metal or a combination of metal and plastic
materials.
3.5 SCSI controller card for AA55001/02-01 and AA55001/02-03.
3.5.1 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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