This information was copied from CETECOM and is supplied without liability. For
updates to this table, you may visit http://www.cetecom.de/technologies/ctr_21.
1 National requirements will apply only if the equipment may use pulse dialling
(manufacturers may state in the user guide that the equipment is only intended to
support DTMF signalling, which would make any additional testing superfluous).
In The Netherlands additional testing is required for series connection and caller
Federal Communications Commission
This device complies with FCC Rules Part 15. Operation is subject to the following
This device may not cause harmful interference.
This device must accept any interference received, including interference
that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a class
B digital device, pursuant to Part 15 of the Federal Communications Commission
(FCC) rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. 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 communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television
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
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Notebook PC E-Manual