110 Things You Should Know About Cabling for Modern Data Centers
By Chris Preimesberger
2Fiber Is the Future
Fiber-optic cabling is required due to its superior bandwidth and attenuation properties. The next-generation data center requires fiber throughout the backbone and horizontal cabling areas.
3Loss Matters
As speeds and bandwidth needs increase, the loss budget is lowered. The loss budget is the amount of light (measured in dB) that is lost between the transmitter and receiver. The next-generation data center has precision assemblies and mating components to meet these tight loss budgets.
4Repeatability
Today’s data center needs cable assemblies that have high repeatability. They need to be able to perform just as well on the 100th plug-in as on the first.
5Density
Due to demand, vertical space needs to be used very efficiently. Higher port counts per RU (rack unit), and products that eliminate the use of rack space altogether are needed.
6Structured Cabling
Data centers need to implement the TIA-942 (Telecommunications Industry Association) standard for data center design and cabling. This allows for a structured cabling system that reduces current and future installation costs due to its modular and scalable platform.
7Cable Management
The next-generation data center does not have “cable spaghetti,” as it leads to management, cooling and performance issues. Proper size patch cords and modern cable management products are needed.
8Test Results
The next-generation data center has field testing capabilities and full documentation of all test results from purchased cable assemblies.
9Labeling and Administration
The TIA/EIA-606-A labeling standard needs to be followed. The next-generation data center has a well-documented and uniform labeling system that has coverage from the cabinet to the port.
10Standards Matter
The next-generation data center contains standards-based, not proprietary, product sets. This is due to more stringent standards in the industry as well as the need to avoid the pitfalls of proprietary technology.
11Copper Has Its Place
Copper cabling needs to be implemented into the structured cabling system for shorter distances and for data transmission speeds of 1G and under.
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