1-7
Cisco ONS 15454 Installation and Operations Guide
November 2001
Chapter1 Hardware Installation
Rack Installation

Procedure: Reverse the Mounting Bracket to Fit a 19-Inch Rack

Step 1 Remove the screws that attach the mounting bracket to the side of the shelf assembly.
Step 2 Flip the detached mounting bracket upside down.
Text imprinted on the mounting bracket will now also be upside down.
Step 3 Place the widest side of the mounting bracket flush against the shelf assembly (see Figure1-2).
The narrow side of the mounting bracket should be toward s the fro nt o f the shel f assemb ly. Text
imprinted on the mounting bracket should be visible and upside do wn.
Step 4 Align the mounting bracket screw holes against the shelf assembly screw holes.
Step 5 Insert the screws that were removed in Step 1 and tighten them.
Step 6 Repeat the procedure for the mounting bracket on the opposite side.
Figure 1-2 Reversing the mounting brackets (23-inch position to 19-inch position)
1.3.2 Mounting a Single Node
Mounting the ONS 15454 in a rack requires a minimum of 1 8. 5 inc he s of ve rti cal r ac k spa c e (a nd on e
inch for air flow). To ensure the mounting is secure, use two to fou r #12- 24 mo unti ng scre ws for ea ch
side of the shelf assembly. Figure 1-3 shows the rack mounting position for the ONS 15454.
Top of unit Side of unit
Top of unit
19 inch position 23 inch
mounting holes
23 inch position
47869
Mounting
L brackets
Mounting
L brackets
Rear Front
19 inch
mounting holes