User's Manual Part 1

TBSI: Width = 7TE, Height = 4HE, i.e. a 1-slot
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TDI: Width =14TE, Height= 4HE, i.e. a 2-slot
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The RF diplexer (TLDN): in downlink it
combines a low band RF signal (800 to 1000
MHz) and a high band RF signal (1700 to 2500
MHz) into a common RF port; in uplink it splits a
composite signal between a low band RF port and
a high band RF port. Module dimensions: Width
= 7 TE, Height = 4 HE (one slot).
The RF triplexer (TLTN): in downlink it
combines the low band signals (800 or 900MHz),
the 1800MHz band signal and UMTS signal into
a common one; in uplink it splits the triple band
signal between three different RF single band
paths. Module dimensions: Width = 7 TE, Height
= 4 HE (one slot).
The RF splitters/combiners (TLCN2 and
TLCN4): TLCN2 is a 2-way splitter/combiner.
TLCN4 is a 4-way splitter/combiner. They can
be used in a variety of different situations, such
as:
• To connect a BTS with several LUs. In
uplink the TLCN2 (or TLCN4) combines 2
(4) RF signals coming from different LUs
onto a common RF signal, entering the BTS.
In downlink the TLCN2 (or TLCN4) splits
the downlink composite RF signal coming
from the BTS onto 2 (4) RF ports, entering
different Local Units;
• To connect several BTSs to a LU. In
downlink the TLCN2 (TLCN4) combines
the RF signals coming from different BTSs
onto a common RF signal, entering the LU.
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MN024-04