TB9400/TN9275 Installation and Operation Replacing Modules 131
© Tait International Limited May 2023
3. Reconnect the system control bus cables and reciter DC cables as
shown in “Appendix B Inter-Module Connections” on page 134).
9.8 Final Reassembly
Notice You must fit the correct type of front panel to your base sta-
tion. The different types of front panel and fan ducts are explained in
“Appendix C Identifying Front Panels” on page 137.
1. Before fitting the front panel, ensure that all cables are secured and
positioned correctly so they are clear of the fan ducts (refer to
“Appendix B Inter-Module Connections” on page 134). Otherwise
the panel may not fit properly, or you may damage the cables.
Base stations manufactured after May 2015 no longer have an airflow
separator.
2. Refit the Front Panel
a. Ensure that the fasteners
b are in the unlocked position.
b. Fit the front panel onto the locating pegs on the subrack.
c. Secure each fastener with a quarter turn clockwise.
d. Push the self-aligning D-range connector
c fully in.
Figure 9.1 Replacing the subrack interconnect board
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