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Perform the following steps to create the recommended cabling scheme shown in
Figure 75:
1. Connect port 1A on the left ESM in the first EXP810 (2) to port 1B (1)on
the left ESM in the third EXP810 (4).
2. Connect port 1A on the right ESM in the third EXP810 (4) to port 1B (1)on
the right ESM in the first EXP810 (2).
3. Connect port 1B (1) on the left ESM in the first EXP810 (2)toport2of
drive channel 1 on the DS4700 Express.
4. Connect port 1A on the left ESM in the third EXP810 (4) to port 1B (1)on
the left ESM in the fifth EXP810 (6).
5. Connect port 1A on the right ESM in the fifth EXP810 (6) to port 1B (1)on
the right ESM in the third EXP810 (4).
6. Connect port 1 of drive channel 2 on the DS4700 Express to port 1B (1)on
the right ESM in the fifth EXP810 (6).
7. Connect port 1A on the left ESM in the second EXP810 (3) to port 1B (1)
on the left ESM in the fourth EXP810 (5).
8. Connect port 1A on the right ESM in the fourth EXP810 (5) to port 1B on the
right ESM in the second EXP810 (3).
9. Connect port 1B (1) on the left ESM in the second EXP810 (3)toport1of
drive channel 1 on the DS4700 Express.
10. Connect port 1A on the left ESM in the fourth EXP810 (5) to port 1B (1)on
the left ESM in the sixth EXP810 (7).
11. Connect port 1A on the right ESM in the sixth EXP810 (7) to port 1B on the
right ESM in the fourth EXP810 (5).
ds470057
1
1
1
1
2
3
1
4
5
1
1
1
1
1
1
1
6
7
Figure 75. One DS4700 Express and a maximum of six EXP810 storage expansion
enclosures behind a pair of DS4700 drive ports
Chapter 3. Cabling the storage subsystem 93