Name Description Part number
PWRC01 AC Box (A01 and A03) to Power
supply 1 through 6 (P01 - P06), to
Concurrent Maintenance Adapter
Card (A02), and to AMDs (B01 - B04)
21P4079
Table 22. Model 840 and Model SB3 (9079) Base I/O Tower - Signal cables - dual line cord
Name Description Part number
SIGC01 System unit backplane (MB1) to Control panel (NB1) 23L3363
Figure 12. Model 840 and Model SB3 (FC 9079) Base I/O Tower - Single line cord power and signal
cables
502 Hardware (Remove and Replace; Part Locations and Listings)