Install bottom cable management arm (CMA)

Follow instructions in this section to install the bottom cable management arm (CMA).

About this task

S033

CAUTION

Hazardous energy present. Voltages with hazardous energy might cause heating when shorted with metal, which might result in spattered metal, burns, or both.

S014

CAUTION

Hazardous voltage, current, and energy levels might be present. Only a qualified service technician is authorized to remove the covers where the label is attached.

Attention

• Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.

• Power off the server and peripheral devices and disconnect the power cords and all external cables. See Power off the server.

• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding systems.

Procedure

1. Check your server and ensure that:

   • All cables, adapters, and other components are installed and seated correctly and that you have not left loose tools or parts inside the server.

   • All internal cables are connected and routed correctly. See Internal cable routing.

2. Install the bottom CMA.
   Figure 1. Installing bottom CMA
   

   

   
   
   1. Lower the bottom CMA into the chassis until both sides align the screw holes on the chassis.
   2. Use a screwdriver to install the screws to secure the bottom CMA.
3. Install middle drive tray. Align the latches on both sides of the tray with chassis, and push it into the rails steadily.
   Figure 2. Installing middle tray
   

   

   
   
4. Install front drives to the middle drive tray. For front drive installation, see Install a 3.5-inch hot-swap front drive.
5. Install the middle CMA.
   Figure 3. Installing middle CMA
   

   

   
   
   1. Lower the middle CMA into the chassis until both sides align the screw holes on the chassis.
   2. Use a screwdriver to install the screws to secure the middle CMA.
6. Install top drive tray. Align the latches on both sides of the tray with chassis, and push it into the rails.
   Figure 4. Installing top tray
   

   

   
   
7. Install front drives to the top drive tray. For front drive installation, see Install a 3.5-inch hot-swap front drive.
8. Install the top CMA.
   Figure 5. Installing the top CMA
   

   

   
   
   1. Lower the top CMA into the chassis until both sides align the screw holes on the chassis.
   2. Use a screwdriver to install the screws to secure the top CMA.
9. Connect all cables that go through the CMAs. For more details about the cable routing, see Cable routing for front backplane power and Cable routing for front backplane signals.
10. Push the front drive trays back into position.
    Figure 6. Folding top, middle and bottom CMAs
    

    

    
    
    1. Push the top drive tray back first.
    2. Push in the middle drive tray next.
    3. Push in the bottom drive tray.
11. Install the air baffle. See Install the air baffle.
12. Install riser 1 and 2 assemblies. See Riser card and PCIe adapter replacement.
13. Install the front top cover to the server.
    Figure 7. Front top cover installation
    

    

    
    
    1. Lower the front top cover onto the chassis until both sides of the top cover engage the guides on both sides of the chassis.
    2. Use a screwdriver to install the screws to secure the front top cover.
14. Install rear top cover. See Install the rear top cover.
15. Install the server into the racks. See Install the server to the rack.