Extreme Networks ExtremeSwitching SLX 9140 Hardware Installation Manual page 24

Four-post rack mount installation (XBR-R000297)
Attaching the front brackets
Complete the following steps to attach the front brackets to the device.
1. Position the right front bracket with the flat side against the right side of the device over the six pre-installed keyhole fasteners, as
shown in Figure 4.
2. Slide the bracket toward the front of the device until the bracket latch clicks into its secure position.
3. Repeat step 1 and step 2 to attach the left front bracket to the left side of the device.
FIGURE 4 Attaching the front brackets
1 Top of the device
2 Front brackets
Installing the device in the rack
Complete the following steps to install the device in the rack.
1. Position the device in the rack, as shown in
the rack.
2. Attach the right front bracket to the right front 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. Attach the left front bracket to the left front 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.
4. Tighten all the 10-32 x 5/8-in. screws to a torque of 25 in-lb (29 cm-kg).
14
3 Keyhole fasteners (pre-installed)
Figure 5, providing temporary support under the device until the rail kit is secured to
ExtremeSwitching SLX 9140 Hardware Installation Guide
9036857-00 Rev AA