- 8 -
1000BaseT RJ45 Pinouts
Pin
MDI
MDI-X
1 BI_DA+
BI_DB+
2 BI_DA-
BI_DB-
3 BI_DB+
BI_DA+
4 BI_DC+
BI_DD+
5 BI_DC-
BI_DD-
6 BI_DB-
BI_DA-
7 BI_DD+
BI_DC+
8 BI_DD-
BI_DC-
1
8
RJ45 (8-pin) to RJ45 (8-pin) Straight-Through Cable Wiring
Straight-Through Cable
RJ45 Plug Pin 1
Switch Port
RJ45
Connector
RJ45
Connector
Tx+
Tx-
Rx+
Rx-
DD+
DD-
DC+
DC-
NIC Port
Cable Wiring
Rx+
Rx-
Tx+
Tx-
DC+
DC-
DD+
DD-
3
6
1
2
4
5
7
8
3
6
1
2
4
5
7
8
RJ45 (8-pin) to RJ45 (8-pin) Cross-Over Cable Wiring
Cross-Over Cable
RJ45 Plug Pin 1
Switch Port
(NIC Port)
RJ45
Connector
RJ45
Connector
Tx+
Tx-
Rx+
Rx-
(Rx+)
(Rx-)
(Tx+)
(Tx-)
DC+
DC-
DD+
DD-
(DD+)
(DD-)
(DC+)
(DC-)
(Tx+)
(Tx-)
(Rx+)
(Rx-)
Switch Port
(NIC Port)
Cable Wiring
Rx+
Rx-
Tx+
Tx-
(DC+)
(DC-)
(DD+)
(DD-)
DD+
DD-
DC+
DC-
3
6
1
2
4
5
7
8
1
2
3
6
7
8
4
5
Redundant Power Inputs
Both power inputs can be connected simultaneously to live DC power sources.
If one power source fails, the other live source acts as a backup, and
automatically supplies all of the EDS’s power needs.
