Allied Telesis 29M2/SP-BA Installation And User Manual page 29

8. While the SFP board is in place in the system, slide the spacer in
between the edge of the chassis and the top of the mounting standoff
as shown in Figure 7.
Figure 7. Attaching the SFP Board to the Chassis
9. Secure the mounting standoff on the SFP board to the edge of the
chassis using one of the SFP mount screws. See Figure 8.
Figure 8. Securing the SFP Board to the Chassis
Chapter 2: Installing the Hardware
29