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Quick-Start Guide

To view manuals, FAQs, videos, drivers, downloads, technical drawings, and more, visit www.startech.com/support.

Manual Revision: August 23, 2019 10:33 AM

Product Diagram (UNIRAILS1UB)

Component

Function

1

Adjustable Depth Basic 1U 

Universal Server Rail

•  Used to securely mount equipment (1U in 

height) in a 

Server Rack

.

•  Maximum Weight Capacity  = 200 lb. (91.7 kg)

2

Front Bracket

•  Used to secure the 

Server Rail

 to a 

Server 

Rack

.

3

Back Bracket

•  Used to secure the 

Server Rail

 to a 

Server 

Rack

.

Requirements

For the latest requirements, please visit 

www.startech.com/UNIRAILS1UB

• Cage Nut Tool x 1 (Optional)
• Phillips Head Screwdriver x 1

4-Post 1U Universal Adjustable Mounting Depth Rack Rail

Package Contents

• Adjustable Depth Basic 1U Universal Server Rail x 2
• M6-12 Screws x 8
• Cage Nuts x 8 
• M6 Plastic Cap Washers x 8
• Quick-Start Guide x 1

Installing the Server Rail

1.  Insert the 

Cage Nuts

 x 4 into the 

Cage Nut Holes

 on the front and back 

Rails

 of the 

Server Rack

.

Note: 

You can use a 

Cage Nut Tool

 to aid in the installation of the

 Cage Nuts

.

2.  Align the 

Screw Hole

 on the 

Back Bracket

 on the 

Server Rail

 with the 

Cage Nuts

 

(inserted in step 1) on the back 

Rail

 on the 

Server Rack

.

3.  Slide an 

M6 Plastic Cap Washer

 over-top of the

 M6-12 Screw.

4.  Insert an 

M6-12 Screw

 through the 

Server Rail Screw Hole

 and into the 

Cage Nut

.

5.  Insert a second 

M6-12 Screw

 through the bottom 

Washer

 and 

Server Rail Screw 

Hole

 and into the 

Cage Nut

.

6.  Using a 

Phillips Head Screwdriver

 tighten the 

M6-12 Screws

, being careful not to 

over-tighten. 

7.  Align the 

Screw Hole

 on the 

Front Bracket

 on the 

Server Rail

 with the 

Cage Nuts

 

(inserted in step 1) on the front 

Rail

 on the 

Server Rack

.

8.  Slide an 

M6 Plastic Cap Washer

 over-top of the

 M6-12 Screw.

9.  Insert an 

M6-12 Screw

 through the 

Server Rail Screw Hole

 and into the 

Cage Nut

.

10. Insert a second 

M6-12 Screw

 through the bottom 

Washer

 and 

Server Rail Screw 

Hole

 and into the 

Cage Nut

.

11. Using a 

Phillips Head Screwdriver

 tighten the 

M6-12 Screws

, being careful not to 

over-tighten. 

12. Repeat Steps 1 - 11 to install the second 

Server Rail

.

2

3

1

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