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It's Friday April 20, 2018

Data Networks


Computer on Internet Network Cable


DB Systems adheres to BICSI standards.

BICSI(Building Industry Consulting Service International), is a professional association supporting the Information Technology Systems (ITS) industry. Design, integration, and installation of pathways, spaces, fiber, copper and wireless systems for voice, data, electronic safety & security, project management, audio & video systems, etc.

"Massachusetts Electrical Code" has requirements for wiring systems, but are standards required for Safety - Not performance.

For instance, installing a simple basement pull chain light fixture in your elegant dining room will meet "Code" requirements, but its visual aesthetics and funtional lighting performance will be very low.

Though the above example would save some money, it's not often done. Most dining rooms have a more expensive better performing light fixture.

Moving data through an individual cable, or a network of wires is more complex and not visual like comparing light fixtures.

However in the same way the basic light fixture will still light up, should the network and wiring be under performing, devices, even things like TVs can still work, but may be scaled down, slower, etc. Frequently, content is automatically dummied down to work.

Data for computer and high definition content needs to move from point A, a media source, content provider, server, etc., to point B, your computers, smart devices, TVs, etc., over the respective network of wires, cables, and wireless.

The most common are wired, or wireless ethernet, the internal cable distribution to your TV and or cable box, and HDMI cables.

Digital is digital, and it is argued, it's either perfect, or it's nothing, so use the least expensive cables and methods you can... This is true to the extent that if all of the data arrives, it's perfect, and if most of the data is lost, there is nothing.

The signals are in a digital format, however the modulated carrier on the wire is still inherently analog. Resistance, voltage drop, RF, EMI, etc., can and will interfere causing pieces of data to become lost or damaged along the way, which is expected but can only be managed to a point.

Errors and loss can occur above normal tolerances, but still less than needed to outright fail. This is where data correction will substitute and patch these errors and you will see reduced resolution and image pixelation on TVs, slow internet speeds, and overall reduced performance.

With the amount of data needed for the high speed and high definition content we expect today, errors during transmission can be significant.

Data protocols deal with errors by re-sending data, or substituting with already used similar data. This slows things down because it takes more time to process. It also creates additional traffic, which in turn can cause even more errors, and the cycle continues. Depending on how bad it gets, the corrective process may only be able to achieve a minimally functioning scaled and watered down state, or not keep up at all, resulting in distortion or failure. The data correction process is not intended to make up for poor or inferior cables, infrastructure, design, installation or components.

Commonly, due to poor cables and networks, consumers unknowingly are not looking at actual 1080p High Def, let alone 4K, and are not getting the performance levels from their otherwise capable internet devices.

We understand the fine details of network infrastructure and data integrity to maintain the highest performance possible of your wireless or hardwired network and related high definition systems.


See more related pages under the Network/Data menu below.


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