How to Use Fiber Enclosure in Data Center
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How to Use Fiber Enclosure in Data Center

Posted on by FS.COM

Data center fiber optic cabling becomes increasingly difficult and complex due to high fiber count and the special characteristics of optical fiber. During high density cabling, installers should not only consider about the high density and easy-to-manage requirements, but also the requirements for fiber optic cable protection and reliable network performance. A variety of fiber enclosures have been widely used to optimize fiber cabling in data centers or server rooms. Especially for those high density cabling environments, the fiber enclosures are becoming the must-have components. Fiber enclosures come into many types. And their usages are flexible. You can get more than twice the result with half the effort if you know how to make right use and full use of fiber enclosures.

Why Do You Need Fiber Enclosure in Data Center?

Fiber enclosure helps to make full used of the spaces in data center by combining most of the fiber optic connections in strong standards modules, providing solid protection of data center links and increasing cabling density. People working in data centers can get easy access to fiber connections and easy cable management. Thus, the cost of data center installation and maintenance can be effectively reduced.

The most commonly used fiber enclosure in data center is usually industry standards 1U rack mount fiber enclosure. Now 4U or larger rack mount fiber enclosures are also becoming popular driven by the increasing of fiber counts in data center. Except standards rack mount fiber enclosures, a lot of data centers or server rooms use customized fiber enclosures for their special requirements. The following will take several examples to introduce the applications and usages of the most commonly used standard rack mount fiber enclosures in data centers.

Fiber Enclosure

Design of Fiber Enclosure in Data Center

For most applications in data center, rack mount type fiber enclosures are used. Generally there are two types (as shown in the following picture) of rack mount enclosures: fiber enclosure with a removable lid and slide-out fiber enclosure. The slide-out version is usually more expensive than the other version. But slide-out fiber enclosure can allow customers to remove the whole enclosure from the rack, thus, it can provide easier internal fiber connection access.

fiber enclosure design

The design of fiber enclosure front panel is also very important, which can directly determine how many optical fiber connections a fiber enclosure could provide. The front panel designs of fiber enclosures are also various. There are two most commonly used designs of the fiber enclosure front panels (as shown in the following picture). One is fixed front panel which can be loaded with appropriate fiber optic adapters. The other is removable front pane l that can accommodate several fiber optic adapter panels or cassettes.

fiber enclosure front panel design

Three Methods to Use Fiber Enclosures

The using of the fiber enclosure is largely depended on what you insert into the fiber enclosure and which kind of front panel you choose for the fiber enclosure. Here take 1U rack mount fiber enclosure as example to introduce three most popular ways of using fiber enclosures.

48 fiber LC FAP

Fiber Enclosure Using Fixed Front Panel

A 19 inch fiber adapter panel can be installed on the standards rack mount fiber enclosure as a fixed front panel to accept various fiber connectors. The above picture shows a 19 inch fiber adapter panel which is loaded with 24 duplex LC fiber adapters. Usually customers can also buy an empty fiber adapter panel to install various types of fiber adapters for their applications. Customers can put fiber optic links (usually multi-fiber pigtails or breakout patch cables) in side the enclosure. And in most cases there will be two slack spools for better cable management.

fiber enclosure using fixed adapter panel

Fiber Enclosure Using Removable Fiber Adapter Panels

The cabling method of fiber enclosure using several removable fiber adapter panels (FAPs) is generally the same as those using fixed adapter panels. It incorporates several FAPs on the front panel. This type of fiber enclosure can provide higher cabling density and more flexible cable management environment. Generally up to 3 FAPs can be installed on a 1U front panel. However, FS.COM can provide FAPs which is smaller. Up to 4 FAPs can be installed on a 1U front panel with each providing connections up to 24 fibers. Thus, a 1U rack mount fiber enclosure using 4 removable adapter panels can provide fibers count up to 96, as shown in the following picture.

fiber enclosure using removable FAPs

Fiber Enclosure Using MTP/MPO Cassettes

As the multi-fiber connection like MTP/MPO cabling system is gradually being used for 40G/100G applications, fiber enclosure is also upgrading to meet the needs for multi-fiber connection by using MTP/MPO cassettes. One or more small fanout MTP-LC fiber cable is installed inside a MTP/MPO cassette with the MTP end terminated with MTP/MPO adapter on the back rear and LC ends terminated with several LC adapters on the front rear. Generally up to three LGX MTP/MPO cassettes can be installed in a 1U rack mount fiber enclosure (as shown in the following picture).

fiber enclosure using MTP/MPO cassettes

There is also a smaller version of MTP/MPO cassette provided in FS.COM, which has lower space requirement. That is our HD MTP/MPO cassettes. Up to 4 HD cassettes can be installed in a 1U fiber enclosure providing more fiber optic connections in given space.

HD MTP cassette

FS.COM Fiber Enclosure Solutions

If the above mentioned fiber enclosure still cannot satisfy your fiber count requirement, then a larger fiber enclosure up to 2/3/4U or higher fiber enclosure is required. In FS.COM, a 4U fiber enclosure can provide up to 288 optical fiber connections. Full series of fiber enclosures are provided. The adapter type, port number, fiber type and color of a fiber enclosure and related components can all be customized in FS.COM. Kindly contact for more details.

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