Network Appliance DS14mk2 AT, Руководство по обслуживанию, Страница: 40 / 68

32 Replacing a power supply in a disk shelf
Installing a power
supply To install a power supply in a disk shelf, complete the following steps.
Caution
Do not use excessive force when sliding the power supply into the disk shelf. You
can damage the connector.
❖
For positive ground installations:
first negative (–), then positive (+),
then ground (
)
❖
For negative ground installations:
first positive (+), then negative (–),
then ground (
)
3 Press the cam mechanism levers toward each other to release the
power supply handle, as shown in the following illustration.
4 Use the handle to pull the power supply out of the disk shelf.
WARNING WARNING
When removing a power supply, always use two hands to support
its weight.
Step Action
OPEN OPEN
Step Action
1 Put on the antistatic wrist strap and grounding leash.