TB9300 Installation and Operation Manual Replacing Modules 121
© Tait International Limited April 2024
8.8 Final Reassembly
Notice You must refit the correct type of front panel to your base sta-
tion. There are several small but important differences between the front
panel for a 50W base station and the front panel for a 100W base sta-
tion. These differences are in the duct for the PA fan and are described
in the following paragraphs.
50W Front Panel The PA fan duct does not have the cut-outs b required for the 100W PA
RF and DC cables. The break-off tab
c will also still be present and will
jam on the system control bus. Do not try to fit this front panel to a 100W
base station or you will damage these cables and possibly the front panel
itself.
100W Front Panel Do not fit this front panel to a 50W base station. The presence of the cut-
outs and absence of the break-off tab will allow air to escape and reduce the
velocity of air directed through the heatsink.
Figure 8.1 Replacing the subrack interconnect board
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