Installation Note N5242-90125 23
Description of the Upgrade
Installation Procedure for the Upgrade
Step 12. Connect the A18 Motherboard/IF Multiplexer (IF MUX)/Low
Frequency Extension (LFE)/Test Set Motherboard (TSMB) Ribbon
Cable (N5240-60089)
1.
Remove the N5242-60004 Motherboard/IF MUX/Test set motherboard
(MB)/IF MUX/TSMB) ribbon cable from the A18 system motherboard
connector J1 and discard this cable. Refer to
(N5240-60089 is
shown, but N5242-60004 is similar).
2.
Install the N5240-60089 to A18 system motherboard J1. Refer to
Figure 6
Install the N5240-60089 MB/IF MUX/TSMB Ribbon Cable to A18
Motherboard J1
IMPORTANT!
Be careful to route the cable as shown in
to avoid
interference with the IF MUX board installation.