26 Installation Note N5242-90125
Description of the Upgrade
Installation Procedure for the Upgrade
-
5.
Connect the N5240-60089 Motherboard/IF Multiplexer/Low Frequency
Extension/Test set motherboard (i.e., MB/IF MUX/LFE/TSMB) ribbon cable
to IF MUX J1 and fold as shown (item
➀
). Refer to
.
6.
Reconnect the IF MUX/SPAM gray cables to the A20 IF MUX board as
indicated in
(items
➁
through
➅
).
Figure 9
Connect the MB/IF MUX/ Low Frequency Extension (LFE)/TSMB ribbon cable
to A20 IF MUX J1(N5240-60089, N5242-60012, N5247-60024,
N5242-60014, N5247-60023, and N5242-60016)