Installing Enclosure Components 2733 Reinstall the CMC module and reattach any cables that weredisconnected. See "Installing a CMC Module" on page 273.On a single CMC system, the SD card activates automatically. For redundantCMC module systems, initiate a changeover to make the passive moduleactive using the following steps:1 Navigate to the Chassis page.2 Click the Power Management tab.3 Click the Control sub tab.4 Select the Reset CMC (warm boot) button.5 Click Apply.The CMC will automatically fail over to the redundant module, and thatmodule now becomes active and displays a solid blue status LED. The SDcard activates automatically.See the CMC User’s Guide for information on configuration and usage of theFlexAddress feature.Installing a CMC Module1 Remove the I/O connector cover. See Figure 4-4.2 Ensure that the CMC module handle is fully open.3 Slide the module into the enclosure until the handle contacts theenclosure.4 To fully seat the module, close the handle until the release latch snaps intoplace.5 Reconnect the cables that were attached to the module.