Kongsberg EM 2040C, Maintenance Manual

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Processing Unit circuit boards and modules
In order to do the necessary tasks, and to fulfill the operational requirements, the EM
2040C Processing Unit is equipped with several circuit boards and modules. All circuit
boards and modules are line replaceable units (LRU).
The following circuit boards and modules are used in the EM 2040C Processing Unit.
All are line replaceable units.
A
Concurrent PP833 CPU board
The Concurrent PP833 is the Central Processing Unit (CPU) of the EM 2040C
Processing Unit.
B
CBMF board
The Compact Beamformer (CBMF) board is used by the Processing Unit for
beamforming and signal processing purposes.
There are one or two Compact Beamformer (CBMF) boards in the Processing
Unit. The number of CBMF boards depend upon the configuration of the EM
2040C system.
C
VadaTech CP219 board
The VadaTech CP219 board is used as an Ethernet switch in the EM 2040C
Processing Unit.
D
Fan unit
The Processing Unit has two fan units for cooling purposes.
•
Power supply
One power supply unit is used in the EM 2040C Processing Unit for supply of 5, 24
and 48 VDC.
The Excelsys XLB power supply is located inside the Processing Unit, and is not
visible from the outside.
Processing Unit