Specifications

Chapter 5: Replacing Assemblies
Removing and Replacing the Acquisition Boards/Backplane Assembly
99
7
Remove the eight remaining screws securing the acquisition trays to the
backplane tray. Remove each acquisition board starting with the lowest slot
(next to the oscillator board).
Figure 5-63
8
Gently rock the acquisition board and guide the input cables through. Remove
the acquisition board and place it upside- down in an anti- static bag to avoid
crimping the cables.
9 Repeat steps 7- 8 for any additional acquisition boards to be removed, if
applicable. When removing the last acquisition board, grip it firmly and then
gently rock it up and out.
Removing Acquisition Board Cables and Trays
1 Disconnect the input cables (one cable for 20, 25, and 32 GHz models; two
cables for 50 and 62 GHz models) and feed them through the hole.
Figure 5-64
2
Remove the 10 screws connecting the acquisition board to the tray. Keep the
cables to attach to the new acquisition board.