IBM MTM 2145-12F, Hardware Installation Manual

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The two secondary expansion modules are already installed when the 2145-92F
expansion enclosure is shipped, as Figure 110 shows.
Figure 111 shows the location of the LED indicators on the top of the secondary
expander module. Each secondary expander module has its own set of LEDs.
When power is connected to the expansion enclosure, the LEDs identify the
operational status of the secondary expander modules.
Table 15 describes the function and status values of each LED indicator.
Table 15. LEDs on the secondary expander modules
LED Color Status Description
Power
▌1▐
Green On The secondary expander
module is receiving power.
Off The secondary expander
module is not receiving
power.
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Figure 110. Location of secondary expander modules
svc01068
1 2
Figure 111. Location of LEDs on the secondary expander module
Chapter 4. Installing an optional 5U SAS expansion enclosure
119