 APPROVAL No. NS/1249/3/E/450426Externally similar to the KBX 6 but equipped as a 1+3 system.
MF & LD
Sold as a secretary/manager system.
LATER VERSIONS FITTED WITH PLUG 631A FOR DIRECT CONNECTION TO NETWORK.
USER GUIDE
LJU WIRING
| CCU |
Cable Colour |
LJU 2/1A |
Western Electric Socket |
| A |
Blue/White |
2 |
4 |
| B |
White/Blue |
5 |
3 |
| C |
White/Orange |
4 |
5 |
| D |
Green/White |
1 |
1 |
| E |
White/Green |
6 |
6 |
INSTALLATION
Connect the exchange lines and terminal cables as shown above. The tails on these
cables should be sufficiently long to allow the Control board to be unclipped and swung
fully to the left for servicing. Connect the mains cable to an adjacent power point and
switch on the supply.
Set the Option Switches as required for the installation, to the
positions shown below:
External Extension 1 - S1 on
External Extension 3 - S2 on
C-wire Signalling - S3 on
Exclusive Line (Terminal 4) - S4 on
System Test
Check the operation of each terminal by testing all its functions, facilities, and
options.
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