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2. Plug one AC power cable into the power supply, and pull down the retention clip over the plug on the
power cable.
3. Plug the other end of the power cable into a AC power source supplied by the data center.
Warning : To reduce risk of electric shock and fire, take care when connecting units to the
supply circuit so that wiring is not overloaded. Statement 1018.
Warning : This product relies on the building's installation for short-circuit (over current)
protection. To reduce risk of electric shock or fire, ensure that the protective device is rated not
greater than: 250V, 20 A. Statement 1005.
4. Turn the power supply switch from standby to on (from 0 to 1 as labeled on the power switch).
5. Verify that the power supply is receiving AC power and outputting DC power by making sure that
the INPUT and OUTPUT power supply LEDs are lit and the FAULT LED is not lit or flashing. For an
explanation of all the power supply LEDs and the conditions that they indicate
Note : When you first activate the power supply, you can verify the functionality of the LEDs by
checking that each LED turns on for a couple of seconds.
If the Fault LED is flashing red, turn the power switch to standby (labeled as 0), check the AC power
connections on the power supply and the AC power source, and then turn the power switch back on
(labeled as 1). The Input and Output LEDs for the connected power supplies should be green and the
Fault LED should be off.
Removing an AC Power Supply
About this task
Warning : Voltage is present on the backplane when the system is operating. To reduce risk of an
electric shock, keep hands and fingers out of the power supply bays and backplane areas.
To remove an AC power supply from the IBM c-type SAN Device, follow these steps:
Procedure
1. Turn the power switch on the power supply to the off (0) position.
2. Disconnect the power cable from the power source.
3. Press the release lever latch on the power module.
4. Release the power cable spring latch retainer.
5. Grasp the power supply handle with one hand, and slide the power supply partially out of the chassis.
Place your other hand underneath the power supply, and slide the power supply completely out of the
chassis.
Note : Each AC power supply weighs between 6 lb (2.7 kg).
6. If the power supply bay is to remain empty, install a power supply filler panel over the opening, and
tighten the captive screw to 8 in-lb.
Installing and Removing Fan Modules
The fan module is designed to be removed and replaced while the system is operating without presenting
an electrical hazard or damage to the system, provided the replacement is performed promptly.
The IBM c-type SAN Devices have three fan modules. Each fan module for the SAN384C-6 Director has
four individual fans and each fan module for the SAN192C-6 Director has two individual fans with an
abrupt stop-to-fan rotation safety feature after power is disconnected or the fan module is removed from
the mid-plane.
CAUTION : The IBM c-type SAN switches and devices have internal temperature sensors that
can shut down the system if the temperature at different points within the chassis exceed certain
safety thresholds. To be effective, the temperature sensors require the presence of airflow;
Chapter 3. Installing the IBM c-type SAN Device 123
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