IBM 4400-006 - 4400 Model 006 B/W Direct Thermal User Manual page 299

Properly shielded and grounded cables and connectors must be
used in order to meet FCC emission limits. Proper cables and
connectors are available from IBM authorized dealers. IBM is not
responsible for any radio or television interference caused by using
other than recommended cables and connectors or by
unauthorized changes or modifications to this equipment.
Unauthorized changes or modifications could void the user's
authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.
European Union (EU) Conformity Statement
This product is in conformity with the protection requirements of EC
Council Directive 89/336/EEC on the approximation of the laws of
the Member States relating to electromagnetic compatibility.
IBM cannot accept responsibility for any failure to satisfy the
protection requirements resulting from a non-recommended
modification of the product, including the fitting of non-IBM option
cards.
This product has been tested and found to comply with the limits for
Class A Information Technology Equipment according to European
standard EN 55022. The limits for Class A equipment were derived
for commercial and industrial environments to provide reasonable
protection against interference with licensed communication
devices.
WARNING
This is a Class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
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