Connect the Telephones
12
Xn120 Getting Started Guide
Route the cables into the lower
side of the system. Use cable
ties to secure the cables.
Remove the breakouts of the
sub cover before re-fitting onto
the system.
OR
Use the telephone cables
supplied with the Xn120 and
RJ45 sockets.
Connections:
Xn120
ST socket
RJ45 socket
Pin 2 black
White/green
Pin 3 red
Blue/white
Pin 4 green
White/blue
Pin 5 yellow
Green/white
!
The connections are polarity
sensitive, you must connect as
shown.
!
Ensure that you use a
separate twisted pair for the
speech and data:
Pins 3 & 4 (speech)
Pins 2 & 5 (data)
This will ensure that you can
reach the maximum cable
length of 300 metres.
!
Identify each RJ45 socket
with its connection number
(ST1 to ST8). This will help
you configure the system later.
Refer to the diagram above for the pin numbering of the Xn120 RJ11
sockets.