Installation; Wiring And Connections; Ethernet 10/100 Base-T Rj-45 Wiring Configuration - AMX NetLinx Interface NXB-KNX Operation/Reference Manual

Installation

Wiring and Connections

To avoid any damage to the electronic component, installation must be performed in
an ESD safe environment.
Do not connect power to the NXB-KNX until the wiring is complete.
The NXB-KNX is installed between the NetLinx Master and the KNX control bus, and passes NetLinx control
commands to the KNX control bus via 2-wire twisted pair cabling, as indicated in FIG. 2:
NetLinx Master
FIG. 2 NXB-KNX installation
After you have completed the installation, consult the Configuration section on page 5.

Ethernet 10/100 Base-T RJ-45 Wiring Configuration

The table below describes the pinouts, signals, and pairing for the Ethernet 10/100 Base-T connector and
cable.
Ethernet Pinouts and Signals
Pin
1
2
3
4 no connection
5 no connection
6
7 no connection
8 no connection
FIG. 3 diagrams the RJ-45 pinouts and signals for the Ethernet RJ-45 connector and cable.
FIG. 3 Straight-Through Wiring
NXB-KNX Operation/Reference Guide
NXB-KNX
PoE injector
Ethernet 10/100 2-wire twisted pair
Signals Connections
TX + 1 --------- 1
TX - 2 --------- 2
RX + 3 --------- 3
4 --------- 4
5 --------- 5
RX - 6 --------- 6
7 --------- 7
8 --------- 8
KNX
Control
Bus
Pairing Color
1 --------- 2 White-Orange
Orange
3 --------- 6 White-Green
Blue
White-Blue
Green
White-Brown
Brown
Installation
3