IBM BladeCenter QS20, Инструкция по установке и эксплуатации

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7. Pivot the cover to the closed position as shown in the illustration, until it clicks
into place, see Figure 2 1 on page 42, step 3 .
N ote: If you have an InfiniBand option installed, make sure that you do not to pinch
or bend any PCI- E xpress cable. Do not use excessive force to close the
cover. If it does not close remove the cover and carefully bend the
PCI- E xpress cables so that they no longer block the cover. Take care not to
exceed the cable ' s minimum bending radius.
Input/output connectors and devices
The BladeCenter unit contains the input/output connectors that are available to the
blade server. See the documentation that comes with the BladeCenter unit for
information about the input/output connectors.
The BladeCenter QS20 supports an external UART connection at the front panel. A
special cable ( part number 83 42 1 - 9 20 8) is re q uired to connect this UART
connection to a standard 9 -pin UART connection. .
Chapter 5 . Installing and removing replaceable units
43