Belden HIRSCHMANN BRS32 - Page 36

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Installation BRS20/22/30/32/40/42/50/52
Release 12 01/2022
The 100/1000/2500 Mbit/s twisted pair port allows you to connect network
components according to the IEEE 802.3 100BASE-TX/1000BASE-T and
IEEE 802.3bz 2.5GBASE-T standards.
This port supports:
 Autonegotiation
 Autopolarity
 Autocrossing (if autonegotiation is activated)
 100/1000/2500 Mbit/s full duplex
Delivery state: Autonegotiation activated
The port casing is electrically connected to the front panel.
The pin assignment corresponds to MDI-X.
 Pin assignment
RJ45 Pin 10/100 Mbit/s 1000/2500 Mbit/s PoE
MDI mode
1 TX+ BI_DA+ Negative V
PSE
2TX− BI_DA− Negative V
PSE
3 RX+ BI_DB+ Positive V
PSE
4 — BI_DC+ —
5— BI_DC− —
6RX− BI_DB− Positive V
PSE
7 — BI_DD+ —
8— BI_DD− —
MDI-X mode
1 RX+ BI_DB+ Negative V
PSE
2RX− BI_DB− Negative V
PSE
3 TX+ BI_DA+ Positive V
PSE
4 — BI_DD+ —
5— BI_DD− —
6TX− BI_DA− Positive V
PSE
7 — BI_DC+ —
8— BI_DC− —
Table 2: Pin assignment 10/100/1000/2500 Mbit/s twisted pair port, RJ45 socket,
MDI-X mode
1
2
3
4
5
6
7
8