Connecting to the Network
Matrix DFE-Gold Series PoE Module 4H4285-49 Installation Guide 3-17
f.
Ensure
that
the
twisted
pair
connection
meets
the
dB
loss
and
cable
specifications
outlined
in
the
Cabling
Guide.
Refer
to
“Related
Documents”
on
page xvi
for
information
on
obtaining
this
document.
If
a
link
is
not
established
and
it
is
connected
to
a
PD
device,
check
the
PoE
Port
Status
to
ensure
that
there
is
48
Vdc
power
at
the
4H4285
‐
49
RJ45
port.
Refer
to
“Verifying
PoE
Port
Status”
on
page 3
‐
17.
If
there
is
still
a
problem,
contact
Enterasys
Networks.
Refer
to
“Getting
Help”
on
page xviii
for
details.
4.
Repeat
steps
1
through
3
above,
until
all
connections
have
been
made.
Verifying PoE Port Status
If
a
PD
is
connected
to
the
4H4285
‐
49
RJ45
port,
ensure
that
there
is
power
at
the
RJ45
port
as
follows:
1.
Press
on
the
GROUP
SELECT
button
for
more
than
one
second.
The
4H4285
‐
49
will
enter
the
PoE
status
mode,
which
will
indicate
a
set
of
power
status
conditions
relating
to
the
PoE
Port
Status.
2.
Now,
every
time
you
press
the
GROUP
SELECT
button
for
less
than
a
second,
the
GROUP
LED
lights
up
in
sequence,
indicating
which
Group
is
selected.
The
PoE
POWER
STATUS
for
that
group
of
segments
is
then
indicated
by
the
RX
and
TX
LEDs
for
each
segment.
If
there
is
power
at
the
port,
the
RX
LED
is
green
and
the
TX
LED
is
off.
Otherwise,
refer
to
Chapter 4
for
troubleshooting
information.
Figure 3-8 Eight-Wire Straight-Through Cable RJ45 Pinouts, Connections
Between Switches and End-User Devices
1
RJ45 device port
3
RJ45-to-RJ45 straight-through cable
2
Other device port
TX1+
TX2+
RX4-
RX1-
TX4+
RX3-
TX3+
RX2-
2
1
3
6
4
5
7
8
TX2+
TX1+
RX3-
RX2-
TX3+
RX4-
TX4+
RX1-
2
1
3
6
4
5
7
8
Â
À
Á
Summary of Contents for 6H308-48
Page 2: ......
Page 12: ...x...
Page 16: ...xiv...
Page 56: ...Completing the Installation 3 28 Installation...
Page 70: ...Regulatory Compliance A 4 Specifications...
Page 88: ...PoE Port Status LEDs C 4 About PoE Power over Ethernet...
