IBM DS4700 Marine Radio User Manual


 
Perform the following steps to create the recommended cabling scheme as shown
in Figure 61:
1. Connect either port 2 or port 1 of the dual-ported drive channel 1 in controller A
of the DS4700 Express to the IN port (1) on the left ESM of the EXP100.
2. Connect either port 1 or port 2 of the dual-ported drive channel 2 in controller B
of the DS4700 Express to the OUT port (2) on the right ESM of the EXP100.
One DS4700 Express and two EXP100 storage expansion
enclosures
Figure 62 shows the recommended cabling scheme for one DS4700 Express
Storage Subsystem and two EXP100 storage expansion enclosures behind both
ports of a dual-ported drive channel.
Perform the following steps to create the recommended cabling scheme shown in
Figure 62:
1. Connect port 2 of drive channel 1 on the DS4700 Express to the IN port (1)
on the left ESM on the first EXP100 (3).
2. Connect the OUT port (2) on the right ESM in the first EXP100 (3) to port 1
of drive channel 1 on the DS4700 Express.
3. Connect port 1 of drive channel 1 on the DS4700 Express to the IN port (1)
on the left ESM in the second EXP100 (4).
ds470034
2
1
DS4700
EXP100
Figure 61. One DS4700 Express and one EXP100 storage expansion enclosure
Recommended cabling
ds470037
2
1
2
1
3
4
DS4700
EXP100 EXP100
Figure 62. One DS4700 Express and two EXP100 storage expansion enclosures behind a
pair of DS4700 drive ports
Chapter 3. Cabling the storage subsystem 81