34 Installation Note N5242-90125
Description of the Upgrade
Installation Procedure for the Upgrade
-
Step 19. Connect A71 and A74 Bias Tee Combiner New Cables to A75
Low Frequency Extension (LFE) Board and the Other Ends of the New
Cables Connected to the IF Multiplier (IF MUX) Board
1.
Connect the IF gray cables item
➀
through item
➃
.
(8120-5014 (x2), 8120-5017 (x1), and 8120-5021 (x1)).
2.
Connect the N5242-60078 Source 1, and N5242-60080 LO Source cables
to the LFE board as shown – (items
➄
and
➅
). The other end of the
N5242-60078 and N5242-60080 are connected to Source1 and LO Source
boards in a later step. Refer to
Figure 17
Connect the other ends of the IF gray cables and connect the Source 1, and
LO Source cables as shown (8120-5014 (x2), 8120-5017 (x1), 8120-5121 (x1)
N5242-60078, and N5242-60080)