IBM 3270 Quick Reference page 11

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When the coaxial attachment to the host is not connected, this equip-
ment complies with the
FCC aa~ B
limits and the following warning
applies:
Federal Communications Commismon (FCC) Statement
Warning: This equipment has been certified to comply with the limits
for a Class B computing device, pursuant to Subpart
J
of Part 15 of
FCC Rules. Only peri1;>herals (computer input/output devices, termi-
nals, printers, etc.) certified to comply with the Class B limits may be
attached to this computer when this computer is operated in a residen-
tial environment. Operation with non-certified peripherals is likely to
result in interference to radio and TV reception.
Instructions to User:
This equipment generates and uses radio fre-
quency energy and
if
not installed and used properly, that is, in strict
accordance with the manufacturer's instructions, may cause interfer-
ence to radio and television reception. It has been type tested and
found to comply with the limits for a Class B computing device in
accordance with the specifications in Subpart J of Part 15 of FCC
Rules, which are designed to provide reasonable protection against
such interference in a residential installation. However, there is no
guarantee that interference will not occur in a particular installation.
If this equipment does cause interfere~to radio or television recep-
tion, which can be determined by tumi the equipment off and on,
the user is encouraged to try to correct t interference by one or more
of the following measures: .
• Reorient the receiving antenna.
• Relocate the computer with respect to the receiver.
• Move the computer away from the receiver.
• Plug the computer into a different outlet so that computer and
receiver are on different branch circuits.
Properly shielded and grounded cables and connectors must be used
for connection to peripherals in order to meet FCC emission limits.
Proper cables are available from IBM authorized dealers. IBM is not
responsible for any radio or television interference caused by using
other than recommended cables or by unauthorized modifications to
this equipment. It is the responsibility of the user to correct such inter-
ference.
If necessary, the user should consult the dealer or an experienced
radio/televtsion technician for additional suggestions. The user may
find the following booklet prepared by the Federal Communications
Commission helpful:
. H'ow to Identify and Resolve Radio-TV Interference Problems
This booklet is available from the following:
Consumer Assistance and
Small Business Division
Room
254
1919 M
St.
NW
Washington, DC
20554
Tele
(202) 632-7000
FOB Public Contact Branch
Room 725
1919 M
St.
NW
Washington, DC
20554
Tele
(202) 634-1940
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