Chapter 2 Modules
Radio System Unit (RSU)
Function
provides the following functions:
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Communication with the baseband subrack
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BTS intermediate frequency and radio frequency processing
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Local and remote operation and maintenance
�
Clock synchronization.
Principle
RSU comprises transceiver board (RTR), power amplifier (PA),
duplexer (DFL), lightning interface board (PIBC) and power unit
(RPDC).
illustrates the RSU’s schematic diagram.
F
IGURE
24 RSU S
CHEMATIC
D
IAGRAM
Dimension
Dimension of RSU: 400.5 mm (15 12/16 in) (H) × 72.7 mm (2
14/16 in) (W) × 455.0 mm (17 15/16 in) (D)
Panel
illustrates the appearance of RSU panel.
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