User Manual

Cabinet descriptionNortel Networks Confidential 1–29
S8000/S8002/S8006 BTS Reference Manual
1.2 Cabinet compartment layout
1.2.1 S8000 Outdoor BTS
The base cabinet and the extension cabinet are divided into three parts
(Figure 1–13 to Figure 1–15):
top compartment
left side
right side
The layout of the equipment in the base and extension cabinets is identical in the
top compartment and on the left side.
The cabinet layout on the right side of the base and extension cabinets is different.
In the base cabinet, the BCF or CBCF is located in the BCF or CBCF Compartment.
In the same compartment of the extension cabinet, a filling plate replaces the BCF
or CBCF.
1.2.1.1 Top compartment
The top compartment opens by means of a cover on the top of the cabinet. The front
of the cabinet is perforated to allow air to circulate. The top compartment has two
or three elements: the optional battery box and the climatic system (the DACS, or
two ACUs).
1.2.1.2 Compartment on the left side
User compartment
This compartment is available for Original Equipment Manufacturer (OEM). For
more information, refer to the documentation provided by the equipment
manufacturer.
For GSM 1800 frequency bands, Nortel has developed RW Series M products
whose reference to the document is the following: 840–900201–002. The user
interconnection compartment is optional. It is required only when a user kit or a
–48 V connection box is used.
PA interconnection compartment
The PA interconnection compartment centralizes the –48 V dc power supply of the
Power Amplifiers (PA).
Amplifier and alarm compartment
The amplifier and alarm compartment receives up to eight Power Amplifiers (PA)
and the Alarm Collecting unit (ALCO or RECAL). The ALCO or RECAL board
is connected to one or two external alarm protection boards (ALPRO), located
outside the cabinet.