Juniper QFX5220, Руководство по оборудованию, Страница: 117 / 247

12. Continue to support the switch while sliding the two mounting blades into the two mounting rails.
Secure the mounting blades to the rack using the eight remaining mounting screws (and cage nuts and
washers if your rack requires them). Tighten the screws. See Figure 34 on page 120 .
Figure 34: Slide Mounting Blade into Mounting Rail
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QFX5220-128C
13. Ensure that the switch chassis is level by verifying that all the screws on the front of the rack are aligned
with the screws at the back of the rack.
14. We recommend that you insert dust covers in any unused ports.
Four-Post Installation Procedure for QFX5220-32CD
To mount the QFX5220-32CD on a four-post rack using the provided rack mount kit:
1. Attach the ESD grounding strap to your bare wrist and to a site ESD point.
2. Decide whether the field replaceable unit (FRU) end of the switch or the port end is to be placed at
the front of the rack. Position the device in such a manner that the AIR IN labels on components are
next to the cold aisle and AIR OUT labels on components are next to the hot aisle.
3. Align the holes in the mounting rail with the holes on the side of the chassis. See Figure 35 on page 121
to see the proper alignment for the QFX5220-32CD.
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