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Description of this Upgrade
Step 10. Install *NEW* and Reused Direct Digital Synthesis (DDS) Assembly Cables
Figure 12
Install the top-side end of the Bottom Flexible IF Multiplexer and Top Flexible
Gray Cables to SPAM Board (N5242-60012, N5247-60023, N5242-60014,
N5247-60024, N5242-60016, and N5240-60115)
28
➁
—
—W99 (N5227/47B)/W129 (N5244/5B)/W149 (N5224/5B)
(N5247-60023) (reuse) A24 IF multiplexer board P603 to A16 SPAM
board J2
③
—
—W61 (N5242-60014) (reuse) A24 IF multiplexer board P403 to
A16 SPAM board J4
➃
—
—W99 (N5227/47B)/W129 (N5244/5B)/W149 (N5224/5B)
(N5247-60024) (reuse) A24 IF multiplexer board P203 to A16 SPAM
board J5
➄
—
—W63 (N5242-60016) (reuse) A24 IF multiplexer board P803 to
A16 SPAM board J6
➅
—
—W200 (N5240-600115) A15 SRC DD Synthesizer assembly J16
to SPAM J3
Installation Note N5225-90142
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