Rack Mount Termination Boxes / Enclosures

Series 1 Slide Out 3 panel (1U) Rack Mount Termination Box Enclosure LGX Chassis Made in the USA

SKU:LS-XLF3-A

5.0/5 (98 Reviews)
  • • Indoor
  • • 1U Rack Space
  • • 3 x LGX Adapter Panels
$101.29
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95 Unit(s) available
At a Glance
  • Made in the USA
  • Utilizes 1U Rack Space
  • Accomodates 3 LGX Adapter Panels
  • Up to 72 Fibers w/ Standard Adapters
  • Fits Standard 19" and 23" Racks
  • Made of 16 Gauge Steel
  • Convenient Slide Out Tray
  • Includes Clear Acrylic Top Cover
  • Black Powder Coat Finish
  • Includes Hardware and Cable Wraps
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estimated lead time
Estimated Lead Time
Typically Ships Within 24 Business Hours
(Cut off time is 2 PM EST)
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expected receive dates
Receive Between
June 5-12, 2026
Made in USA
TAA Compliant
RoHs Compliant
ISO 9001
Quality Control

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The Series 1 Slide Out 3 panel 1RU Rack Mount Termination Box Enclosure is a rack mount enclosure for interconnectivity and termination of optical fibers. It is made of  16 Gauge Steel, and is proudly made in the USA. It has a durable epoxy powder coat finish and a clear acrylic removable dust top cover,. 

The front of the box has a slide out try that has three slots for attaching all standard adapter panels.  This product can support a wide array of up to two LGX dimensioned termination panels, modules, or cassettes. It's designed to fit standard 19" racks or 23" racks.  Included is a set of rabbit ear brackets to mount this box to 19" and 23" racks.

Includes:

2-Panel Rack Mount Enclosure
(2) Rack Mounting Brackets
(2) Fiber Management Spools

Specifications

Mounting Type
Rack Mount
Rack Size Compatibility
19" and 23"
Chassis Type
LGX
Rack Unit Space
1U
Panel Count
3 Panel
Adapter Panel Options
See Dropdown Menu
Material
16 Gauge Steel
Color / Finish
Black Powder Coat
Dimensions
1.75"H x 19"W x 14"D
Hardware
Included
Fiber Strand Capacity
72 w/ Stnd. Adapters

Resources

PDF Document
Build Specs: Specs
Asset

Help Article
Fiber Optic Definitions
Helpful

Help Article
Pre-Terminated Fiber Optic Assemblies Guide
Helpful

Videos

When You Place An Order

Step 01
Step 01
Place Your Order
Our team processes your order within 24 business hours.
Step 02
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You receive emails about your order status.
Step 04
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Get tracking on your shipment until delivery.

Product Reviews (98)

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C
customer

05/30/2025 11:21:00 PM

great options

C
customer

05/22/2025 10:11:00 PM

LANshack really was accommodating and very helpful with my fiber needs. They went to every extent to make sure our network was up and running in no time!

C
customer

05/19/2025 11:21:00 PM

Great customer service. Products in stock.

SP
Sylvain Piette

05/14/2025 01:47:00 PM

Easy to order from website, fast shipping

WE
WHEELER ELECTRIC

05/13/2025 06:50:00 PM

Quick and thorough order completion - had exactly what we needed - right price and right on time!!!

Questions & Answers

Q
What is a fiber optic enclosure?
A
A fiber optic enclosure is a protective housing designed to organize, manage, and safeguard fiber optic connections, splices, and terminations. It acts as the central point where fiber optic cables are brought together, connected, and distributed while ensuring protection from environmental, mechanical, and handling damage.
Q
What is a rack mount fiber optic enclosure?
A
Rack mount enclosures are designed to be installed in standard 19" or 23" racks in telecommunication rooms/closets or data centers.
Q
What are the different types of chassis in fiber optic enclsoures?
A
The three main chassis are LGX, SHD, and UHD. LGX is the most common and standardized chassis type.
Q
What does the 1, 2, 4, 6, or 12 "U" mean when talking about rack mount fiber optic enclosures?
A
The "U" stands for rack unit and it’s the standard measurement used to describe the vertical space equipment takes up in a 19 inch or 23 inch equipment rack. 1U equals 1.75 inches in height.
Q
How many fiber strands can fit into a fiber optic enclosure?
A
The amount of fiber strands that you can fit into an enclosure will depend on how many panels or adapters you can fit and what type of connectors you choose. For example, if you choose a 1 panel enclosure and use a 12LC adapter panel, you can house or couple 12 fibers in that enclosure. If you use 12 MTP/MPO adapter panel, you can house or couple 144 or 288 strands depending on whether the MTP or MPO connector being connected is a 12 or 24 fiber connector.

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