4- Connect The Telephones; Connecting The Xn120 System Phones - NEC XN120 Getting Started Manual

4- Connect the Telephones

Precautions for Cabling:
·
Do not run the cable with a power cable, computer cable etc.
· Do not run the cable near any high frequency generating equipment.
· Use cable protectors if the cables are run on the floor.
·
Aerial distribution wiring is not allowed.

Connecting the XN120 System Phones

Use the line cord supplied with
the system telephone.
OR
Use the RJ11 to bared wire
cables (supplied with the
XN120) and RJ11 sockets.
Connections:
XN120
ST socket
Pin 2 black
Pin 3 red
Pin 4 green
Pin 5 yellow
! 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 RJ11 socket
with its connection number
(ST1 to ST8). This will help
you configure the system later.
XN120 Getting Started Guide
The XN120 system phones can be connected to any of the eight RJ11 telephone
sockets labelled ST1 to ST8 in the XN120 unit.
The XN120 is supplied with RJ11 to bare wire cables for connection to optional
distribution frames.
! Check Power Fail Operation later in this guide, ST8 can be used to provide a
working telephone should the power be disconnected from the XN120.
The line cord supplied with the XN120 system telephones can be
plugged directly into the RJ11 sockets labelled ST1 to ST8 in the
XN120 unit.
If you need to extend the telephone cables:
Fit an RJ11 socket at the location the telephone is required, run a
telephone cable back to the distribution frame. Connect to one of the
sockets labelled ST1 to ST8 using one of the RJ11 to bared wire
cables supplied.
·
Ensure that you connect the 4 wires as shown otherwise the
telephone will not initialize.
·
Use CW1308 or similar telephone cable.
·
Maximum cable length is 300 metres (with 0.5 mm diameter
conductor).
RJ11 socket
Pin 2
Pin 3
Pin 4
Pin 5
Connect the Telephones
5 4 3 2
XN120 RJ11
socket
(ST1-ST8)
5 4 3 2
RJ11 plug
300 metres
max.
RJ11 socket
located near
telephone
11