SM 25 D163
6. Remove the SG3 board [A] from one of the CCU I/F and SG3 board assemblies that you
removed in step 5.
7. Attach the SG3 board removed in step 6 to the other CCU I/F and SG3 board assembly
[B].
8. Attach the boards (CCU I/F board and two SG3 boards) to the SG3 interface unit
bracket (
x 8).
Use two screws from the six screws that were removed in step 5.
9. Attach one end [A] of the flat cable to CN660 [B] on the CCU I/F board of the SG3
interface unit.
Make sure that the blue tape of the flat cable faces outward.
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