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__ a. Connect a new HSL cable to HSL connector 1. If you have different
length cables, this cable should be the shortest one.
__ b. Connect a new SPCN cable to connector J16.
__ 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
longer cable to 5079–002.
__ 6. Connect the cables to the 5079–001 (the lower unit).
__ a. Connect the HSL cable that you installed in step 5a to HSL
connector 0.
__ b. Connect a new HSL cable to HSL connector 1.
__ c. Connect the SPCN cable that you installed in step 5b 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
shorter cable to 5079–001.
__ 7. Connect the HSL cable from unit X to the HSL connector 0 on 5079–002.
This cable now runs between unit X and your 5079–002.
__ 8. Connect the SPCN cable from unit X to the SPCN connector J15 on
5079–002. This cable now runs between unit X and your 5079–002.
__ 9. Connect the HSL cable from HSL connector 1 on 5079–001 to HSL
connector 0 on unit Y.
__ 10. Connect SPCN cable from connector J16 on your 5079–001 to connector J15
on unit Y.
__ 11. Install or close the back cover of your 5079, unit X, and unit Y.
__ 12. Go to Chapter 5, “Completing your installation” on page 27.
Connecting your 5079 to the end of a loop
Use this procedure to connect your 5079 in the last position in a loop of expansion
units. In this procedure you will connect your 5079 between your system unit and
the expansion unit which is currently in the last position. These instructions refer
to the expansion unit which is currently in the last position as unit Y as is shown
in Figure 18 and Figure 19 on page 26.
Figure 18. HSL connections
Chapter 4. Setting up your 5079 Expansion Unit 25