User Manual

Cabinet descriptionNortel Networks Confidential 1–35
S8000/S8002/S8006 BTS Reference Manual
ac box
This box is located on the right–hand side of the right–hand part of the cabinet. It
receives the mains voltage and distributes it to the power system compartment and
to the cooling system. The PCU only controls the dc supply. ac supply connects to
the back panel that is common for all rectifiers.
In the extension cabinet, a filling plate replaces the BCF. On left of this filling plate
there are two fuses.
1.2.2 S8000 Indoor BTS
1.2.2.1 Base cabinet
The compartment layout of the base cabinet is presented in Figure 1–16.
Cabinet top
The cabinet top (see Figure 1–25) can hold a maximum of two ALPRO modules.
An ALPRO module consists of an ALPRO board, a protection cover, and an
interconnection plate.
The fan grid in the upper panel is an air outlet. Radio outputs, the cabling with the
separate BCF Cabinet (if applicable) and the cabinet power supply are achieved
from the top of the cabinet.
Combiner interconnection (COMICO) compartment
This compartment consists of an interconnection board for the combiner
compartment modules, which centralizes inputs/outputs on the alarms and the
power supplies.
RF combiner and Tx–Filter compartment
The RF Combiner and Tx–Filter compartment can hold a maximum of either of the
following combination of modules:
six RF Combiner modules of the duplexer only type (D)
six RF Combiner modules of the two–way hybrid duplexer type (H2D)
three RF Combiner modules of the the four–way hybrid duplexer type (H4D)
four RF Combiner modules of the duplexer only type (D) and four Tx–Filter
modules (TxF)
one RF Combiner Module of eight–way cavity combiner and two duplexers