Mitel MX-ONE Installation Instruction page 24

3.5
21/1531-ASP11301 Uen C 2017-03-28
EXTENSION AND TRUNK LINE CABLE STRUCTURE
The twisted pair cable used for Extension and trunk lines in the MX-ONE is delivered
with 32 pairs. The cable is structured either with 8 pairs in 4 bundles, 2 blue and 2
orange bundles, or, with 16 pairs in 2 bundles, 1 blue and 1 orange. Each bundle is
kept together with a bundle thread, see Figure 17: Cable Structure on page 24.
Figure 17: Cable Structure
The cables connected to the extension and trunk boards are connected on the other
end to external telephone lines through the Main Distribution Frames (MDF). The
following tables specify the color coding of the 32 pair cable used for ELU33, ELU34,
and other boards, and the connection cable used for TLU76 , TLU77 and ELU26,
TLU79.
Use the tables below to connect extension and trunk cables to the MDF. Note, that the
screen also shall be grounded on the MDF-side, due to the demand of Multi point
earthing. See document 19/1531-ASP11301.
Figure 18: 32 pair cable for ELU33, ELU34, ELU31, TLU80 and TLU83 (TSR 910
1054/16M or 32M)
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