Extreme Networks ExtremeSwitching SLX 9140, Руководство по установке оборудования

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31 ExtremeSwitching SLX 9140 Hardware Installation Guide
9036857-00 Rev AA
Installing the Universal Four-Post Rack Kit (XBR-R000296)
Attaching the rear brackets to the rack posts
Complete the following steps to attach the rear brackets to the rack posts.
1. Attach the right rear bracket to the right rear rack post using two 10-32 x 5/8-in. panhead screws and two retainer nuts, as
shown in
Figure 21 . Use the upper and lower holes in the bracket.
2. Attach the left rear bracket to the left rear rack post using two 10-32 x 5/8-in. panhead screws and two retainer nuts. Use the
upper and lower holes in the bracket.
3. Tighten all the 10-32 x 5/8-in. screws to a torque of 25 in-lb (29 cm-kg).
FIGURE 21 Attaching the rear brackets to the rack posts
Flush-rear (recessed) mounting
The flush-rear (recessed) mounting is similar to the flush-front mounting except that the brackets are reversed on the device.
Complete the following tasks to install the device in a four-post rack.
1. “Attaching the front brackets to the rear of the device” on page 32
2. “Attaching the extensions to the front of the device” on page 32
3. “Installing the device in the rack” on page 33
4. “Attaching the rear brackets to the extensions at the front of the device” on page 34
1 Screws, 10-32 x 5/8-in., panhead Phillips 2 Retainer nuts, 10-32
CAUTION
The device must be turned off and disconnected from the fabric during this procedure.