R.J. Enterprises Blog
R.J. Insights
Practical guides, install knowledge, and field-tested product picks for contractors, integrators, and IT pros โ from a TIA-certified manufacturer with 40+ years in Long Island City.

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...

What is a Keystone Jack?
Learn what keystone jacks are, how to choose the appropriate categories, what shielded/unshielded jacks are, and where to connect them.ย