ADTRAN DSU III ARdc User Manual page 4

FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY
This equipment has been tested and found to comply with the limits for a Class B dig-
ital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, 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.
Shielded cables must be used with this unit to ensure compliances with Class A FCC
limits.
Changes or modifications to this unit not expressly approved by ADTRAN
will void the user's authority to operate the equipment.
CANADIAN EMISSIONS REQUIREMENTS
This digital apparatus does not exceed the Class B limits for radio noise emissions from
digital apparatus as set out in the interference-causing equipment standard entitled
"Digital Apparatus," ICES-003 of the Department of Communications.
Cet appareil nuerique respecte les limites de bruits radioelectriques applicables aux
appareils numeriques de Class B prescrites dans la norme sur le materiel brouilleur:
"Appareils Numeriques," NMB-003 edictee par le ministre des Communications.
INTERFERENCE STATEMENT