DS8000 Service Documentation Version 7.5

Checking the expansion rack switch settings

Procedure

  1. Verify the setting of the following switches ONLY on the expansion rack being installed.
    CAUTION:
    Do not switch off the UEPO switch on the existing racks that are powered on.
    Table 1. Switch settings and locations ONLY for expansion rack being installed
    Switch Setting Location Figure reference
    UEPO red switch Off (in at bottom) Behind front cover, against left sidewall, above battery service modules.
    Note: Press the recessed switch towards the bottom. It will appear flat when off.
    		 Callout label 1 in Figure 1
    CB1 main line switch Off (down) On lower left of each DC-UPS (right rear of rack) Figure 2
    Figure 1. UEPO switch
    UEPO switch
    Figure 2. Location codes for the DC-UPS (Models 961, 96E) (rear)
    Location codes for the DC-UPS (Models 961, 96E) (rear)
  2. Continue with Checking expansion rack UEPO switch operation.