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1. Locate the chassis grounding studs on the back of the chassis.

2. Attach the two hole chassis ground lug PN 300-30016 to the

   Spacevars
   0 model5

   using two flat washers PN 510-00057, two split lock washers PN 510-00056, and two hex nuts PN 511-00046 as shown in the following figure.

   Caption
   0 Figure 1 Chassis Grounding Lug Location
   Image Modified

3. Secure the other end of the grounding cable to the earth ground in the building. You can secure the grounding cable to a proper grounding point on the rack, as long as the rack is properly grounded to the earth ground in the building.

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1. For each AC power supply, insert the supplied AC power cord 's female connector to the power supply AC receptacle at the rear of the chassis (shown in the following figure).

   Caption
   0 Figure 1 SBC 5400 Chassis AC Power Location
   Image Modified

2. Connect the supplied power cords to the local AC power source.
3. Turn on your local AC power source.

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1. Remove the clear plastic terminal cover and set it aside.
2. Check the chassis ground is connected to the 2-post terminal lug next to the power supply bay. See Grounding SBC 5400 Chassis topic above.

3. Connect ground cable (green) to the screw located above the DC power terminal posts as shown in the below figure:

   Caption
   0 Figure 1 SBC 5400 DC Terminal Connections
   Image Modified

4. Use a voltmeter to verify that no voltage is present on DC input power cables.
5. Attach the DC return cable (black) to the Return terminal.
6. Attach the -48V cable (red) to the -48V terminal.
7. Reattach the clear plastic terminal cover.

8. If applicable, attach the other end of the supplied DC power cables to DC power source.

   Warning
   Do not apply DC power to the DC Power supply prior to hot-inserting the supply into the chassis.

9. Turn on DC power source.

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Refer to the following figures for integrated lever locations: