Emulex MD21/S2, Technical Manual

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FCC Compliance
Table 5-3 summarizes the specifications for each type of cable:
Table 5-3. Disk Drive Cable Requirements
Control Cable
(daisy-chained to
1 or 2 drives)
Data Cable
(One cable to
each drive)
Number of lines 34 20
Maximum cumulative
cable length
10 feet (3 meters)
10 feet (3 meters)
Recommended
connector AMP ribbon connector
P/N 499560-3
(or equivalent)
AMP ribbon connector
P/N 499560-6
(or equivalent)
MD21 cable J1 J2 and/or J3
5.5 FCC COMPLIANCE
The Federal Communications Commission (FCC) has established
technical standards regarding radiation of electromagnetic
interference (EMI) emitted by computing devices. The MD21
Controller has been type tested and found to comply with the EMI
emission limits for a Class B computing device in accordance with
the specifications in Subpart J of Part 15 of FCC Rules. However,
there is no guarantee that interference will not occur in a
particular installation.
The MD21 Controller was tested for FCC compliance in a compliant
subsystem that was properly shielded (enclosed so that no electro­
magnetic radiation escapes). The subsystem was connected to other
SCSI port devices via a shielded SCSI bus cable. Emulex offers
shielded cables, compatible with the MD21 Controller, that are
available in various lengths. For information on SCSI bus cable
and connector requirements, see subsection 7.2.1.
The MD21 Controller equipment generates and uses radio frequency
energy. If it is not installed and used in strict accordance with
Emulex's instructions, it may cause EMI with radio and television
reception. It is the responsibility of the user to properly
install the MD21 and ESDI disk drives in a subsystem.
Installation 5-11