54 Installation Note N5222-90128
Installation Procedure for the Upgrade
-
Step 33. Reconnect/Connect Old and New Cables and then Route
Low Frequency Extension (LFE) Cables (8120-5014 (x2) and
8120-5017 (x3)) and the Other Ends of the Cables Connected to the IF
Multiplexer (IF MUX) Board
1.
Reconnect and route 8120-5014 (x2), 8120-5017 (x3). Connect and route
the cables on the IF MUX board as shown (items
➀
through
➄
). You will
connect the other ends of the IF gray cables later on the process. Refer to
Figure 34
Connecting and routing the gray cables on the IF MUX board (8120-5014 (x2)
and 8120-5017 (x3))
The 8120-5014 (x1) cable connection that was connected at P604 is now
connected on P404. The new 8120-5017 cable is used for the P604
connection on the IF multiplexer (IF MUX) board. Refer to
When connecting the IF gray cables, be careful to look for the correct
connector labels on the IF multiplexer (IF MUX) board.
