Rack Enclosure Basics and Buying Guide
Rack enclosure, an effective solution to a tidy rack cable environment, has been a popular choice for IT technicians. Conventionally, being a kind of cable organizer, the rack mount enclosure is widely used in data centers to house, organize, manage and protect fiber optic cables. With such great significance, it’s necessary for us to explore this device.
Rack Enclosure Basics
In the beginning, let’s drive from physical features of the rack mount enclosure, including rack units, accessible types, and loaded items.
Specifically, the rack enclosure is designed into a 19-inch rack mount. When it comes to application, the rack units of this fiber optic enclosure are available in 1U, 2U, 3U, and 4U in the market. Usually, users may prefer to choose two or more 1U
![Rack Enclosure Units](http://www.chinacablesbuy.com/wp-content/uploads/2018/09/Rack-Enclosure-Units.jpg)
Figure 1: Rack Enclosure Units
Since the rack mount enclosure 1U version is commonly used in organizing server rack, we take 1U rack mount for a case to study this feature. Altogether, there are three types of rack enclosures: cover removable, slide-out, and swing-out fiber enclosures.
Compared with a cover removable type, the slide-out and swing-out fiber enclosures are more favored. Neglecting the fact that the cover removable type is the cheapest one among these three types, the slide-out
![Accessible Types of Rack Enclosure](http://www.chinacablesbuy.com/wp-content/uploads/2018/09/Accessible-Types-of-Rack-Enclosure.jpg)
Figure 2: Accessible Types of Rack Enclosure
Catering to different requirements for cabling, different accessories are loaded with rack mount enclosures: fiber adapter panels (FAPs) and MPO/MTP cassettes.
A rack enclosure with FAPs can be applied in both pre-terminated and field-terminated cabling environments. Generally, adapter patch panels are available to connect with LC, SC and MPO/MTP fiber cables. According to adapter numbers on FAPs, rack mount enclosures can support up to 96 fibers. In most cases, a 1U
Besides FAPs, rack enclosures can also be loaded with MPO/MTP cassettes, providing secure transitions between MPO/MTP and LC or SC connectors. As a pre-terminated rack mount patch panel, this rack enclosure is designed to achieve interconnections between MTP/MPO backbone and LC/SC patching. When in a 1U rack space, rack mount enclosures loaded with MPO/MTP cassettes can support up to 144
![Rack Enclosure loaded with FAPs or MPO or MTP Cassettes](http://www.chinacablesbuy.com/wp-content/uploads/2018/09/Rack-Enclosure-loaded-with-FAPs-or-MPO-or-MTP-Cassettes.jpg)
Figure 3: Rack Enclosure loaded with FAPs or MPO/MTP Cassette
Buyers’ Guide
Through the above basic introduction of the rack enclosure, we can find it can never be an easy task to select a suitable rack enclosure. There are many factors you need to consider, such as rack units, accessible types, and loaded items. Still, there are other factors needed to be taken into considerations, such as the number of ports you need. And when it comes to the patch panel, you have to figure out whether the fixed or removable front panels are needed. Besides, you still need to think about the way to do fiber termination: splicing or pre-terminated. Last, but not the least, your budget for this purchasing. Obviously, all these factors, mentioned or not in this article, can have an impact on configurations or combinations of rack enclosures, contributing to your final decision. By the way, if you are looking for the detailed guidance of a 1U rack enclosure, you can refer to the article FS 1U Rack Enclosure Types and Selection Guide.