ADTRAN OCU 45 Manual page 4

Federal Communications Commission Radio
Frequency Interference Statement
This equipment has been tested and found to comply with the limits
for a Class A digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio
frequencies. Operation of this equipment in a residential area is likely
to cause harmful interference in which case the user will be required
to correct the interference at his own expense.
4
Shielded cables must be used with this unit to ensure
compliance with Class A FCC limits.
Changes or modifications to this unit not
expressly approved by the party responsible for
compliance could void the user's authority to
operate the equipment.