R.J. Enterprises Blog
R.J. Insights: Networking Guides
Practical guides, install knowledge, and field-tested product picks for contractors, integrators, and IT pros — from a TIA-certified manufacturer with 40+ years in Long Island City.
Why Do Locations Matter for Data Centers?
If you still haven’t heard all the buzz about artificial intelligence and stronger performing LLMs like DeepSeek and ChatGPT… you may be...
What is Structured Cabling?
In video, voice, data, and IT infrastructures – structured cabling is an approach to creating and installing an organized cabling system. Think...
What is a Smart Building
What are Smart Buildings? What makes up a Smart Building? How do they relate to PoE and IoT? How do they differ...
What is the Internet of Things (IoT)?
The Internet of Things, or IoT, is a collection of internet-enabled devices that are able to collect data from built-in sensors or...
What is Power over Ethernet (PoE)?
A plain-English look at Power over Ethernet: what PoE does, where it is used, and why cable, jacks, and patch panels matter.
What are RJ45 Connectors?
In networking, technical jargon can be extremely confusing for beginners and those unfamiliar with the industry. For the term RJ45, it’s one...
What are Field Termination Plugs?
What are field termination plugs? Where are they used and how do they differ from traditional RJ45 connectors? What are the benefits...
Ethernet Coax Wall Plates: What Are They and Why Do You Need Them?
A simple guide to Ethernet + coax wall plates: what they connect, where they are used, and how they fit with keystone...
What is Crosstalk?
What is crosstalk? What causes them? How do they occur? What are some steps you can take to reduce the effects of...
Data Centers and The Need For Efficiency
How data centers use cabling, patch panels, and organized network hardware to save space, reduce downtime, and keep equipment easier to manage.
What are High-Density Patch Panels?
What are High-Density Patch Panels? Understand everything you need to know about them, why you should use them, and who they are...
What are Patch Panels?
Learn more about what patch panels are, the types of panels (from tool-less/feed-through/punch-down, to shielded/unshielded, to Cat5e/Cat6/Cat6A, and why you should use...