IBM DS4700 EXPRESS, Installation, User'S, And Maintenance Manual

Page: 125 / 270

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
) to port 2 of
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
) to port 1 of
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