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48 NETernity CP921RC-30X Hardware Reference Manual
3.3 RJ-45 Connectors
As
shown
in
Figure
2
‐
6,
the
front
panel
Serial
Console,
Ethernet
Management,
and
RTM
face
plates
provide
standard
8
‐
pin
RJ
‐
45
connectors
for
Ethernet
access.
Figure
3
‐
1
shows
an
RJ
‐
45
connector,
and
Table
3
‐
10
describes
the
pin
assignments
with
MDI
signals.
Figure 3-1 Standard RJ-45 Connector
Table 3-10 RJ-45 Pin Assignment
Pin
Number
Signal
Description
Pin
Number
Signal
Description
1
Data Access — Pair A
5
MCI_DC— Data Access — Pair C
2
MDI_DA—
Data Access — Pair A
6
MDI_DB— Data Access — Pair B
3
Data Access — Pair B
7
Data Access — Pair D
4
Data Access — Pair C
8
MDI_DD— Data Access — Pair D
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