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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
Cabling instructions for vertical-mount PDUs
If your Rack PDU came with more than two line cords, select either the high-voltage
cords or the low-voltage cords for your installation. Use the following procedure to
connect and route cables for Rack PDUs that you mounted vertically in the side of
your rack cabinet:
1. Connect one of the line cords to the main inlet on the Rack PDU. Use the line
cord that you will connect to your primary power source.
2. Connect the other line cord to the Backup inlet on the Rack PDU. Use the line
cord that you will connect to your backup power source.
3. Remove the screws on the cable clamps 1 and route the line cords through
the clamps; then, reinstall the screws on the cable clamps 1 and repeat step
1 and step 2 for the other device if you installed two devices.
4. Route the line cords down and toward the rack side braces; then, route the line
cords along the side brace towards the back of the rack cabinet and secure
them with the cable straps that come with this option.
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Figure 69. Connecting and routing the line cords
164 Hardware Maintenance Manual: IBM PC Server/Enterprise Racks Types 9306, 9308