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FEDERAL COMMUNICATIONS COMMISSION
RADIO FREQUENCY INTERFERENCE STATEMENT
FCC ID: HDC1202029TL
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
or TV reception, which can be determined by turning the equipment off and on. The
user is encouraged to try to correct the interference by one or more of the following
measures:
•
R
eorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
This device is FCC Class B certified only on the EIA-232 interface. The
V.35 and RS-530 interfaces are FCC Class B verified.
Changes or modifications not expressly approved by ADTRAN will void
the user’s authority to operate this equipment.