Manual Part 5

CD U-F
1 Product Overview
This d ocument descr ibes the CDU-F. A range of CDU types have been
developed to support different configurations. The choice depends on the
operator’s initial and future requirements.
The CDU-F handles one to six double TRansceiver Units (dTRU). It is used
in high capacity, mediu m output power configurations. The CDU-F supports
baseband frequenc y hopping.
1.1 Main Functions
The CDU-F has the following main functions:
• Combines up to six TX signals to on e antenna
• Provides automatically-tuned cavity combiners, operated by step motors
• Supports baseband hopping
• Provides simultaneous trans mission and reception on one antenna
• Amplifies two RX signals from two anten nas for further distribution in th e
Configur ation Switch Unit (CXU)
1.2 Var iants
CDU-F is available for GSM 900, GSM 1800, and GSM 1900 .
2 Dimensions
This section describes the physical characteristics of the CD U-F.
Table 1 CDU-F Size and Weight
Height Width Depth Weight
400 mm (9 HE x
44.45 mm)
142 mm (28 TE
x 5.08 mm)
239 + 90 mm
(1)
15 kg
(1) The upper part pr otrudes 90 mm.
3 Power Consumption and Heat Generat ion
Figures for power consumption and heat gener ation are shown in the table
below.
3 (6)
EN/LZT 720 0237 Uen R3A