IBM EXN1000, Руководство по аппаратуре и обслуживанию, Страница: 40 / 94

Note: For AT-FCX module A, drive addressing is in descending order, and for
AT-FCX module B, drive addressing is ascending order. AT-FCX A is
the top controller module in the EXN1000. AT-FCX B is the bottom
controller module.
Speed setting
Make sure that all expansion unit speed switches are set to the correct
position for your application.
v
If connecting to an N3700 storage system, the speed switch must be set to
the 1Gb position.
v If connecting to any other N series storage system, the speed switch must
be set to the 2Gb position.
Note:
The speed setting switch is located on the circuit board inside the
AT-FCX module. In order to set or adjust the speed setting, you must
remove the AT-FCX module. See “Replacing an AT-FCX module” on
page 35.
Figure 3. EXN1000 disk shelf IDs and drive addressing
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