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LED
Apphque
ndicators
Checking
system
indicate
means
The
following
Ethernet
FDDI
HSSI
RD
Other
X.21
lOBaseT
Ethernet
Apphque
The
Ethernet
LINKLights
RCVLights
XIvITLights
XMT
RCV
LlNK
B-13 lOBaseT
Figure
At power
powered
opposite
LED
still
system
traffic
If the
opposite
means
hub
goes
external
attaching
wires
LEDs
access
applique
requires
from
rack
or closet
In the following
signal direction with
respect
DTE
direction
isfmm
signal
LED
indicators
included
are
lOB aseT
APP-LMM
LEDs
the
for
APP-LHS
high-speed
applique
DCE
DTE
mode
V.35
dual
or
synchronous
serial
DCE
DTE
RS-232
and
DCE
SDLC
mode
RS-232
dual
DCE
DTE
RS-449
and
DCE
mode
DTE
dual
or
LED ndcators
lOBaseT
has
applique
when
link
good
indicate
that
to
indicate
to
that
LED
Indicators
Applique
LED
LINK
up
the
lights
LED
up
This
indicates
that
end
of the
link
to
ensure
that
does
not light
switch
the transmit
When
good
link
established
is
XMT
LED
The
on
the link
will
end
of the link
connected
is
from
the transmitter
the
that
unit
receiver
of the unit This
to the
MAU
media
attachment
unit
wires Otherwise
the
two
transmit
panel which
the chassis rear
to
LED
serial
applique
DCE
DTE
and
devices
to
DcE
to
in
section
this
APP-LMS APP-LSM
and
CSC-C2HSCI
used
with
the
DTE
or
LED
the
indicators
following
green
RD
on
Receive Data
pair has
the
been
from
has
received
packet
been
has
transmitted
packet
up and
remains
if
connected
lit
it
is
been
has
good
link
established
up and
powered
it
is
that
the
and
receive
one
at
pair
RCV LED
the
will
flash
when
unit transmits
the
light
hub
hub
to
the
will
peiform
the receiver
of
goes
to
the
configuration
is
correct
then
crossover
function
the
wires
are connected
to
Applique
may
removing
require
tables
the
symbols
and
DCE
DTE
For example
APP-LSS
appliques
card
See
B-13
Figure
been
established
network
the
from
the unit
lOB
aseT
link
to
that
check
does
not light
If
it
cable
securely installed
is
end
and
of the
link
restart
remain
or
indicate
to
packet
lit
data
over
link
the
which
crossover
function
hub
and
from
the transmitter
however
the
connects
if
unit
must
be
performed
in
the
two
each
the
receive
other
as
are
LED
Reading
LED
Indicators
the
is
the
If the
the
the
an
to
B-9
Indicators
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