IBM DS4700 manual Ds470054

Models: DS4700

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Figure 70. One DS4700 Express and a maximum of six EXP710 storage expansion enclosures behind a pair of DS4700 drive ports

Perform the following steps to create the recommended cabling scheme shown in Figure 70:

1.Connect the OUT port (2) on the left ESM in the first EXP710 (3) to the IN port (1) on the left ESM in the third EXP710 (5).

2.Connect the IN port (1) on the right ESM in the third EXP710 (5) to the OUT port (2) on the right ESM in the first EXP710 (3).

3.Connect the IN port (1) on the left ESM in the first EXP710 (3) to port 2 of drive channel 1 on the DS4700 Express.

4.Connect the OUT port (2) on the left ESM in the third EXP710 (5) to the IN port (1) on the left ESM in the fifth EXP710 (7).

5.Connect the IN port (1) on the right ESM in the fifth EXP710 (7) to the OUT port (2) on the right ESM in the third EXP710 (5).

6.Connect port 1 of drive channel 2 on the DS4700 Express to the OUT port (2) on the right ESM in the fifth EXP710 (7).

7.Connect the OUT port (2) on the left ESM in the second EXP710 (4) to the IN port (1) on the left ESM in the fourth EXP710 (6).

8.Connect the IN port (1) on the right ESM in the fourth EXP710 (6) to the OUT port (2) on the right ESM in the second EXP710 (4).

9.Connect the OUT port (2) on the left ESM in the fourth EXP710 (6) to the IN port (1) on the left ESM in the sixth EXP710 (8).

10.Connect the IN port (1) on the right ESM in the sixth EXP710 (8) to the OUT port (2) on the right ESM in the fourth EXP710 (6).

11.Connect the IN port (1) on the left ESM in the second EXP710 (4) to port

1of drive channel 1 on the DS4700 Express.

12.Connect port 2 of drive channel 2 on the DS4700 Express to the OUT port (2) on the right ESM in the sixth EXP710 (8).

88IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

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IBM DS4700 manual Ds470054