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Cisco MDS 9100 Series Hardware Installation Guide
OL-16187-01
Chapter 2 Installing the Cisco MDS 9100 Series
Installing the Switch in a Cabinet with Insufficient Front Clearance
Installing Front Rack-Mount Brackets for Cabinets with Less Than 26 Inches of
Rail Spacings
The front rack-mount brackets for the Cisco MDS 9100 Series switches must be installed onto the switch
prior to installing the switch into the cabinet. For cabinets with less than 26-inch rail-to-rail spacing, the
front rack-mount bracket must be installed 180 degrees from normal.
To install brackets for cabinets with front-mounting rail to rear-mounting rail spacings less than 26
inches that need to be mounted backwards to maintain adequate fiber-optic clearances, follow these
steps:
Step 1 Install the front-rack mount brackets for cabinets with rail-to-rail spacings less than 26 inches as follows:
a. Position one of the front rack-mount brackets against the side of the switch and align the screw holes
as shown in Figure 2-9. Then attach the bracket to the switch with two of the three M4 screws
originally provided with the bracket.
b. Repeat with the other front rack-mount bracket on the other side of the switch.
Note The front rack-mount bracket does not align with all three holes in the Cisco MDS 9100 Series switch
in this configuration. The two screws are adequate to hold the weight of the Cisco MDS 9100 Series
switch.
Step 2 Install the C brackets as follows:
Note Two C brackets are shipped preinstalled on the switch, using three M3 screws per bracket. This
installation step is only necessary if the C brackets were removed.
a. Position one of the C brackets against the side of the switch and align the screw holes as shown in
Figure 2-9. Then attach the bracket to the switch with the three M3 screws originally provided with
the bracket.
b. Repeat with the other C bracket on the other side of the switch.
Figure 2-9 Front Rack-Mount Brackets (Rotated) and C Brackets Installed on the Cisco MDS 9100
Series
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