DS8000 Service Documentation Version 7.5

Connecting the power control cables to power on the rack

About this task

Attention: After the RPC cables from this rack have been connected, DO NOT switch off or remove power to this expansion rack for any reason.

Procedure

  1. At the rear of the expansion rack being installed, find the power control cable that is already connected to the sequencer module connector  J1  in the upper PPS. The loose end of this cable is coiled in the rear upper right corner of the rack.
    Note: On later racks, this cable will have a gray label on the end that connects to the RPC card.
    Figure 1. PPS J1 connector
    PPS J1 connector
  2. Uncoil and route only this cable to the rear upper right of Rack-1 ( the location of the RPC cards). The cable route is through the frame to frame access holes near the rear cover upper hinges.
  3. Use Table 1 and Figure 2 in this step to determine which RPC1 card connector the cable will be plugged.
    1. Plug the cable in.
    Note: The expansion rack will power on immediately and the top fan in both PPSs will now spin.
    Table 1. Rack number and RPC1 connector locations
    From upper PPS J1 connector in rack number To RPC 1 card (right card)
    2 J203
    3 J205
    4 J207
    5 J209
    Figure 2. RPC1 cards, connector locations (rear of rack)
    RPC1 cards, connector locations (rear of rack)
  4. At the rear of the expansion rack being installed, find the power control cable that is already connected to the sequencer module connector  J2  in the upper PPS. The loose end of this cable is coiled in the rear upper right corner of the rack.
    Note: On later racks, this cable will have a yellow label on the end that connects to the RPC card.
    Figure 3. PPS J2 connector
    PPS J2 connector
  5. Uncoil and route only this cable to the rear upper right of Rack-1 ( the location of the RPC cards). The cable route is through the frame to frame access holes near the rear cover upper hinges.
  6. Use the Table 2 and Figure 4 in this step to determine which RPC2 card connector the cable will be plugged. Plug the cable in.
    Table 2. Rack number and RPC2 connector locations
    From upper PPS J2 connector in rack number To RPC 2 card (left card)
    2 J203
    3 J205
    4 J207
    5 J209
    Figure 4. RPC2 cards, connector locations (rear of rack)
    RPC2 cards, connector locations (rear of rack)
  7. Continue with Verifying the rack ID of the expansion rack.