8
ZDX
Series
Modem
Racks
User’s
Guide
Appendix A
—
Class A Notice and Safety
and Power Requirements
47
CFR
Part
15
Regulation
This
equipment
has
been
tested
and
found
to
comply
with
the
limits
for
a
Class
A
digital
device,
pursuant
to
47
CFR
Part
15
regulations.
The
stated
limits
in
this
regulation
are
designed
to
provide
reasonable
protection
against
harmful
interference
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
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
measures:
●
Reorient
or
relocate
the
receiving
antenna.
●
Increase
the
separation
between
the
equipment
and
receiver.
●
Plug
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
complies
with
Part
15
of
the
47
CFR
rules
and
with
RSS
‐
210
of
Industry
Canada.
Operation
of
this
device
is
subject
to
the
following
conditions:
(1)
This
device
may
not
cause
harmful
interference,
and
(2)
this
device
must
accept
any
interference
that
may
cause
undesired
operation.
Warning
:
Changes
or
modifications
to
this
unit
not
expressly
approved
by
the
party
responsible
for
compliance
could
void
the
user’s
authority
to
operate
the
equipment.
CE
mark
The
CE
mark
is
affixed
to
the
enclosed
Multi
‐
Tech
product
to
confirm
compliance
with
the
following
European
Community
Directives:
Council
Directive
89/336/EEC
of
3
May
1989
on
the
approximation
of
the
laws
of
Member
States
relating
to
electromagnetic
compatibility;
and
Council
Directive
73/23/EEC
of
19
February
1973
on
the
harmonization
of
the
laws
of
Member
States
relating
to
electrical
equipment
designed
for
use
within
certain
voltage
limits;
both
amended
by
Council
Directive
93/68/EEC
of
22
July
1993
on
the
harmonization
of
CE
marking
requirements.
Safety
Requirements
1.
No
manual
adjustments
to
the
equipment
are
necessary
for
connection
to
main
power
within
rated
voltage
and
frequency.
2.
The
power
supply
cord
is
intended
to
serve
as
the
disconnect
device.
The
socket
‐
outlet
must
be
installed
near
the
equipment
and
be
easily
accessible.
3.
To
reduce
the
risk
of
shock,
all
openings
should
be
covered
during
normal
operation
of
the
equipment.
4.
Use
only
plugs
and
cordage
for
connection
of
the
power
supply
to
primary
power
that
meets
the
safety
and
regulatory
requirements
in
the
country
of
use.
