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Extreme Networks
3-Slot Modular Shelf
Quick Reference

Part no. VX-RPS-CH3

Product Overview

The 3-Slot Modular Shelf is installed on a standard equipment rack 
and is designed to hold power supply units and other accessories. 
The shelf is specifically intended for use with the following Extreme 
Networks products:

VX-RPS-10

0

0 Redundant Power Supply (part no. 18202)

Installing the 3-Slot Modular 
Shelf

Install the 3-Slot Modular Shelf in a standard 19-inch equipment rack.

Required Tools

Phillips screwdriver

Four customer-supplied rack screws

Installing the Shelf in a Rack

Your shelf can be attached to a two-post rack using the mounting 
brackets provided with the shelf.

1

Use screws (provided) to attach a mounting bracket to one side of the 
shelf. The brackets are designed so they can be attached to the holes 
near the front or the rear of the shelf.

2 Attach the other mounting bracket to the other side of the shelf.

3 Align the holes on each bracket with the rack post holes.
4 Secure the shelf to the rack with rack-mounting screws (provided). See 

Figure 1

.

Figure 1   Attaching the Shelf to the Rack (Front Mount Shown)

Placing Equipment into the Shelf

The 3-Slot Modular Shelf is designed to accommodate remote power 
supplies. To place a power supply on the shelf, follow these steps:

1

At the rear of the shelf, slide the power supply into an empty bay 
as shown in 

Figure 2

.

Figure 2   Placing a Power Supply into the Shelf

2 Attach power cables and ground wires (if applicable) to the power 

supply.

3 Secure the power supply to the shelf using two captive screws on the 

front panel of the power supply.

4 Repeat steps 1-3 to install additional power supplies if desired.
5 Attach each power supply to a power source.

Shelf Dimensions

Length

 44.0 cm (17.34 in.)

Width

 38.7 cm (15.25 in.)

Height

 4.4 cm (1.73 in.)

Weight

 2.89 kg (6.37 lb)

Note: 

Do not attach rubber feet to the bottom of the power supply.

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