Tait International Limited TBCK4B Manual Do Utilizador

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DRAFT 4 
106
Replacing Modules
TB9400 Installation and Operation Manual
© Tait Electronics Limited September 2011
8.8
Replacing the Subrack Interconnect Board
Removal
1.
If you have not already done so, carry out the instructions in 
2.
Disconnect any system control bus cables and DC power cables from 
the subrack board.
3.
Remove the three M3 nuts and spring washers 
b
 securing the right 
end of the board to the subrack.
4.
Remove the D-range cover 
c
.
5.
Remove the two retaining clamps 
d
 securing the left end and centre 
of the board.
6.
Remove the board.
Refitting
1.
If previously removed, replace the insulator 
e
.
2.
Refit the board and D-range cover, and secure with the M3 nuts and 
spring washers. Replace the two retaining clamps.
3.
Reconnect the system control bus cables and reciter DC cables as 
shown in 
Figure 8.2
Replacing the subrack interconnect board
b
e
c
d
x3