User Manual

SDB670 – SERVICE MANUAL TNM-M-E-0032
May 13 Page 22 DESCRIPTION
4 DESCRIPTION
The SDB670 DMR Base Station is a two Unit (2U) high by 19” wide rack-mountable unit containing
two SDM600 sub-assemblies, a control card, a Man-Machine Interface (MMI) card. An integrated
Power Supply Unit (PSU) is also fitted in the AC version.
The internal layout of the AC version of the DMR Base Station showing the position of the main
sub-assemblies is shown below in Figure 2.
Figure 2. Internal Layout of DMR Base Station (AC version).
The internal layout of the DC version of the DMR Base Station is shown overleaf in Figure 3.
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