ADTRAN DSU III TDM Manual page 4

FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY
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 interfer-
ence 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 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.
CANADIAN EMISSIONS REQUIREMENTS
This digital apparatus does not exceed the Class A limits for radio noise
emissions from digital apparatus as set out in the interference-causing
equipment standard entitled "Digital Apparatus," ICES-003 of the Depart-
ment of Communications.
Cet appareil nuerique respecte les limites de bruits radioelectriques appli-
cables aux appareils numeriques de Class A prescrites dans la norme sur
le materiel brouilleur: "Appareils Numeriques," NMB-003 edictee par le
ministre des Communications.
iv
INTERFERENCE STATEMENT
Changes or modifications to this unit not expressly approved
by ADTRAN will void the user's authority to operate the
equipment.