To Connect: To Disconnect:1. Turn everything OFF.2. First, attach all cables to devices.3. Attach signal cables to connectors.4. Attach power cords to outlet.5. Turn device ON.1. Turn everything OFF.2. First, remove power cords from outlet.3. Remove signal cables from connectors.4. Remove all cables from devices.Before you remove the M.2 backplane:1. Read the following section(s) to ensure that you work safely.• “Installation Guidelines” on page 302. Turn off the corresponding DWC tray that you are going to perform the task on.3. Remove the tray (see “Remove a DWC tray from the enclosure” on page 32).4. Remove the tray cover (see “Remove the tray cover” on page 34).Complete the following steps to remove the M.2 backplane.Watch the procedure. A video of the installation process is available:• Youtube: https://www.youtube.com/playlist?list=PLYV5R7hVcs-BHNs9o9uS9u93aeU5BCI8I• Youku: http://list.youku.com/albumlist/show/id_51372950.htmlFigure 25. M.2 backplane removalStep 1. Remove the M.2 backplane from the system board by pulling up on both ends of the backplane atthe same time.If you are instructed to return the component or optional device, follow all packaging instructions, and useany packaging materials for shipping that are supplied to you.Remove an adapterUse this information to remove an adapter.Before you remove an adapter:1. Read the following section(s) to ensure that you work safely.40 ThinkSystem SD650 Dual Node DWC Tray and NeXtScale n1200 DWC Enclosure Setup Guide