v
Locate LED:
When this blue LED is lit, it indicates that the command from the
server IMM to the MAX5 expansion module is complete. Use this blue LED to
locate the MAX5 expansion module. The front locate LED also has a button that
you can press to light up other servers or other MAX5 expansion modules to
which the MAX5 is connected. This LED is functionally equivalent to the Locate
LED on the front of the MAX5.
v
Power connector:
Connect the power cord to this connector.
v
AC power LED:
Each hot-swap power supply has an ac power LED and a dc
power LED. When the ac power LED is lit, it indicates that sufficient power is
being supplied to the power supply through the power cord. During normal
operation, both the ac and dc power LEDs are lit.
v
DC power LED:
Each hot-swap power supply has a dc power LED and an ac
power LED. When the dc power LED is lit, it indicates that power supply is
supplying adequate dc power to the MAX5 expansion module. During normal
operation, both the ac and dc power LEDs are lit.
v
Power supply fault (error) LED:
When this amber LED is lit, it indicates a faulty
hot-swap power supply.
v
EXA link LED:
When this green LED is lit, it indicates that an EXA link is
functioning.
Turning the MAX5 on and off
Because the MAX5 expansion module is controlled by the server, turning on the
MAX5 refers to connecting the MAX5 power cord to the power source and pressing
the power-control button on the host server that is connected to the MAX5
expansion module and is configured to identify the expansion module. Normally, the
operating system on the server starts, and the server issues a power-on request to
the MAX5. The IBM MAX5 for System x (MAX5) memory expansion module is
turned off only if the connected server issues a power-off request and you
disconnect the MAX5 power cord from the power source. You cannot turn off the
MAX5 expansion module manually.
Statement 5:
CAUTION:
The power control button on the device and the power switch on the power
supply do not turn off the electrical current supplied to the device. The device
also might have more than one power cord. To remove all electrical current
from the device, ensure that all power cords are disconnected from the power
source.
1
2
You can disconnect the MAX5 expansion module power cords from the power
source to shut off all power immediately without damaging the MAX5, but it might
cause an unrecoverable error and loss of data on the connected server.
24
IBM System x3850 X5 and x3950 X5 Types 7145 and 7146: Installation and User’s Guide
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