Appendix A
Networking connection
PoE RJ45 port pin assignments
Pin Number RJ45 Power Assignment
1
Power +
2
Power +
3
Power -
6
Power -
RJ45 port pin assignments – 1000Mbps, 1000BASE-T
Pin number
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
-
Implicit implementation of the crossover function within a twisted-pair cable, or at a
wiring panel, while not expressly forbidden, is beyond the scope of this standard.
10/100Mbps, 10/100BASE-TX
When connecting the
industrial PoE+ switch to another Fast Ethernet switch, a bridge,
or a hub, a straight or crossover cable is necessary. Each port of the industrial PoE+
switch supports auto-
MDI
(Media Dependent Interface)/MDI
-X
(Media Dependent
Interface Cross) detection. This makes it possible to directly connect the industrial
PoE+ switch to any Ethernet device without making a crossover cable. The following
table and diagram show the standard RJ45 receptacle/ connector and their pin
assignments.
19
NS2052-8P-2C Industrial PoE+ Switch User Manual
