User Service Guide, Fifth Edition - HP Integrity rx8640 SEU

Figure 3-23 Power Source versus Power Distribution
WARNING! Voltage is present at various locations within the SEU whenever a power source
is connected. This voltage is present even when the main power switch is in the OFF position.
To completely remove power, both power cords must be removed from the SEU. Failure to
observe this warning could result in personal injury or damage to equipment.
1. Insert the power cords into the SEU after the voltage has been verified using the “Voltage
Check ” (page 57). Do not press the power switch yet.
2. Ensure the power cords are inserted in the server. Do not press the power switch yet.
3. Continue with the “MP Core I/O Connections” (page 63).
Installing The Line Cord Anchor (rack mounted servers)
The line cord anchor is attached to the rear of the server when rack mounted. It provides a method
to secure the line cords to the server preventing accidental removal of the cords from the server.
IO Expander Installation
There are two holes pre-drilled, and captive nuts pre-installed, in the server chassis.
To install the line cord anchor
1. Align the line cord anchor thumbscrews with the corresponding captive nuts at the rear of
the chassis. Refer to Figure 3-24: “IO Expander Line Cord Anchor,
2. Tighten the captive thumbscrews to secure the line cord anchor to the chassis.
3. Weave the power cables through the line cord anchor. Leave enough slack that the plugs
can be disconnected from the receptacles without removing the cords from the line cord
anchor
4. Use the supplied Velcro straps to attach the cords to the anchor. Refer to Figure 3-24: “IO
Expander Line Cord Anchor,
62 Installing the Server Expansion Unit