__ 1. Open the back cover on your 5079. See Appendix A, “Removing the back
covers”on page31 if you need instructions.
__ 2. Connect the cables to 5079–002 (the upper unit). See Appendix B,
“Connector Locations”on page35 if you need information about finding
connectors.
__ a. Connect a new HSL cable to HSL connector 0.
__ b. Connect a new HSL cable to HSL connector 1. If you have different
length cables, this cable should be the shortest one.
__ c. Connect a new SPCN cable to connector J15.
__ d. Connect a new SPCN cable to connector J16.
__ e. Connect the power cable. Do not plug into the wall outlet. If your
power cables for the 5079 are two different lengths, connect the
longer cable to 5079–002.
__ 3. Connect the cables to the 5079–001 (the lower unit).
__ a. Connect the HSL cable that you installed in step 2b to HSL
connector 0.
__ b. Connect the SPCN cable that you installed in step 2d to connector
J15.
__ c. Connect the power cable. Do not plug into the wall outlet. If your
power cables for the 5079 are two different lengths, connect the
shorter cable to 5079–001.
__ 4. Remove or open the back cover on your system unit.
__ 5. Remove or open the back cover on unit Y.
__ 6. At unit Y, remove the HSLcable at connector 1. This cable currently runs
between unit Y and your system unit.
__ 7. Connect the HSL cable from your system unit to the HSL connector 1 on
5079–001.
__ 8. Connect the HSL cable from 5079–002 HSL connector 0 to HSL connector 1
on unit Y.
__ 9. Connect the SPCN cable from 5079–002 connector J15 to connector J16 on
unit Y.
__ 10. Install or close the covers on unit Y,your 5079, and your system unit.
__ 11. Go to Chapter5, “Completing your installation”on page27.
Figure19. SPCNconnections
26 Setting up your 0578, 5074, 5078 or 5079 Expansion Unit V5R2