How to Choose a Network Cabinet Rack: 5 Expert Selection Tips

We frequently receive requests for help in choosing a 19” Network Cabinet Rack. Prior to discussing the tips, let’s clarify what a 19” Network Cabinet Rack is. Usually, these racks are intended for the installation of 19” devices like hubs, switches, routers, bridges, gateways, multiplexers, transceivers, firewalls, and servers. The parts will either include mounting ears for direct installation in the cabinet (further details below) or will be located on shelves inside the rack. These racks aim to safeguard the equipment by safely storing them off the floor and frequently consolidating them in multiple layers. Numerous varieties of network cabinet racks exist, and this blog will not specifically discuss them but instead concentrate on a few fundamental aspects.

DIMENSIONS ARE IMPORTANT WHEN CHOOSING YOUR NETWORK CABINET RACK

Consider a few essential aspects when outlining your network rack.

The initial aspect is panel height. This differs from the total height as it represents the unobstructed area available for mounting your components. Essentially, it refers to the elevation of the opening in the rack. It is essential to calculate the total height of the items you plan to mount to ensure they will all fit comfortably. Remember to account for any air circulation space required between parts. This doesn't imply that total height is unimportant. Some customers have requested a large rack only to realize that the ceiling in their room isn't tall enough. Ultimately, ensure that there is sufficient depth for your most profound elements.

HOW DO YOU PLAN TO INSTALL YOUR COMPONENTS IN YOUR NETWORK CABINET?

Every network cabinet rack includes panel mounting rails. These are elongated, somewhat slender strips of shaped metal that come in pairs to secure the mounting ears of your component into the rack. Usually, they will be pre-drilled according to EIA spacing. EIA spacing is the established standard used in the industry, originating from the early days of telephony more than a century ago. The openings on your hardware and the panel mounting rails will adhere to this standard based on the spacing of holes measuring 5/8”, 5/8”, and ½”, yielding a total of 1-3/4”. This measurement is referred to as a “u” for unit, and racks are frequently defined in multiples of the “u” or 1-3/4”. A common size for a networking cabinet rack is 45u (77”) or 46u (78.75”). You must also assess whether you require one or two pairs of mounting rails based on the mounting requirements of your components and their weight.

WHERE WILL YOU PLACE THE NETWORK CABINET RACK?

The positioning of your racks is a crucial consideration in choosing the right rack. If it will be placed in a closet, as is frequently the situation, your worries are much simpler than if it is going into an open area. For a closet, a basic cabinet shelf suffices since you already benefit from the closet's inherent protection. You might choose to opt for a compact wall-mounted unit, which is quite favored for these uses, particularly when the components are light. If it will be situated in the center of an office, you'll want to prioritize making it appear professional and safeguarding the parts from inquisitive individuals.

REQUIRE VENTILATION OR ADDITIONAL FEATURES?

Numerous methods exist to guarantee that the components you are installing receive adequate cooling to prevent overheating. It might be as easy as omitting a front or back door on the cabinet or making sure that the sides, tops, doors, or any combination of these features have ventilation holes or slots. Additional questions to consider are if distinct cable access is necessary to ensure that the correct access points are incorporated. Additionally, what issues regarding access are there for repairs? Frequently, the capacity to swiftly detach sides or doors enables prompt repairs or modifications without the need to uninstall the parts.

DO YOU REQUIRE ACCESSORIES FOR YOUR CABINET RACK?

Does the producer offer common accessories like shelves, power strips, fans or blowers, or cable management equipment? At times, items like these may not easily fit into the cabinet rack if they come from various manufacturers. Will you be relocating the units to various places? Make sure that you can include casters.

Each of these five tips should weigh against cost; check out our article on How to Cut Expenses on Your 19″ Rack Enclosure. Are you incorporating hidden costs if you need to purchase items individually to finish your build? At times, racks are difficult to compare due to the included price and the additional expenses of acquiring necessary accessories. It may also increase the lead time because of sourcing difficulties.