Dell Force10 S50N Series Installing Manual page 38

Figure 5-15. DC-DC Cable for S50N
Follow the steps below to connect the switch to the PSU:
Step Task
With the switch unplugged from AC power, connect the DC-DC plug to the switch. Connect the individual leads
1
of the DC-to-DC cable to the DC terminal lugs of the S50N switch
Connect the gray wire to FG (field ground), red to RTN, brown to -48V:
Figure 5-16. DC Terminals of the S50N Connected to the PSU Cable
38 | Installing Backup Power
(Figure 5-16) using a #2 Phillips screwdriver.