IBM 847651U Handbook - Page 109
attached power cords, telecommunications systems, networks, and modems before you open the server
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UPC - 087944496366
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Preparing to add options 10 CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunications systems, networks, and modems before you open the server covers, unless instructed otherwise in the installation and configuration procedures. 7. Disconnect all cables attached to the server; this includes power cords, input/output (I/O) cables, and any other cables that are connected to the server. Notes: a. For more information about the rear connectors, see "Input/output connectors" on page 11. b. For more information about ports, including universal serial bus (USB), see "Connecting external options" on page 133. Chapter 4. Installing options 75
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