Product manual

Installation instructions, LTU cabling
Technical Product Manual - DCT1800-GAP
TD 92093 (1/LZBNB 103 108 R4D) / 2006-03-09/ Ver.C
© 2006
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Chapter 23 LTU cabling
23.1 Introduction
This chapter describes the installation of the cabling between the LTU(s) and the PBX. The ‘normal’
as well as the ‘cascade’ connection are handled. Only certain types of LTUs support cascade
connections. For more information see the chapters about the LTUs (or see the ‘Product
Specifications’).
The modular cabinet is provided with a ground strip to connect the cables from the LTUs, CLUs, CLU-
Ss and SLUs to ground. These ground connections are necessary for EMI suppression reasons.
Note:
The orientation of the shielding clamps shall be according to figure 89. If the clamp is positioned at
the wrong side, remove the clamp and fit it such that it is positioned correctly.
Fig. 89 Ground strip with shielding clamps
Shielding clamps at the front row
Shielding clamp at the back row
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