Karel MS224 Installation & Maintenance Guide
Edition 3.2
72
III.8.
STANDARD TELEPHONE SETS,
EXTERNAL LINES
•
C
ABLING
:
The cabling of extension telephones and external lines is established through
the 8-pin RJ sockets on CON1 and CON2. Each RJ socket can be used to
connect 4 extension telephones or lines. So, CON1 card has 3 RJ sockets (for
12 extension telephones) and 1 RJ socket (for 4 external lines), whereas CON2
card has 4 RJ sockets (for 16 extension telephones).
For connecting a standard telephone set to the system, the wires of the cable
(CBL-16 cable or any similar cable procured locally) coming from the
corresponding extension on CON1 or CON2 card must be attached to the A / B
terminals of the telephone.
For connecting an external line to the system, the wires of the cable (CBL-16
cable or any similar cable procured locally) coming from the corresponding line
on CON1 card must be attached to the external line.
The following figure illustrates the cabling of standard telephones :
Figure B-26
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