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Fiber Optic Telecommunications
Optical Carrier Services for Business & Organizations

By: John Shepler

Fiber optics provides high bandwidth digital communication services provisioned over laser driven fiber optic cable instead of the familiar unshielded twisted pair or coaxial cable.

Why Choose Fiber Optic Service?
Smaller businesses and educational organizations will probably get all the bandwidth they need from copper wire based T1 and T3 circuits. Higher bandwidth applications include read time video, medical imaging, CAD/CAM, large call centers, Gigabit Ethernet WANs, enterprise level data storage and emergency recovery, movie studio file transfers, and Internet Service Provider backbones. These applications are often excellent candidates for fiber optic based data transmission services.

In some areas, lower bandwidth services such as T1 and T3 may also ride along as part of the payload on a fiber optic cable coming into a building. It depends on what facilities are available to a particular location.

Bandwidth of Available Fiber Optic Services
Fiber optic digital services use the designator OC (optical carrier) in place of the T-carrier (Trunk) services such as T1 & T3. The most popular optical carrier services are OC3, OC12 and OC48. Higher speed carriers, such as OC-192, are used by service providers for inter-city transport.

Optical Carrier Service Level

Capacity in Megabits / Second



Gigabit Ethernet
Ethernet is the standard networking protocol used in local area networks (LANs). Switches, routers, network interface cards and other Ethernet equipment most often operates at 10, 100, or 1,000 Mbps. With fiber optic service, you can expand your network across town or across the country at whatever speed your network currently operates, including Fast Ethernet at 100 Mbps or Gigabit Ethernet at 1,000 Mbps (equivalent to 1 Gbps.) From a network administrator's viewpoint, the interface couldn't be simpler as the optical carrier simply extends the existing network to become a MAN (Metropolitan Area Network) or WAN (Wide Area Network).

SONET stands for Synchronous Optical NETwork. It is typically deployed to connect multiple locations in a metropolitan area in a ring topology. Actually there are two rings. The data is transmitted in opposite directions and one of the rings is a "spare." It is available to automatically restore service if the primary ring fiber optic cable is cut or if a piece of equipment, such as a multiplexer, fails. This self-healing mechanism makes SONET rings highly reliable for mission critical data.

SONET was originally designed to aggregate all sorts of services onto a single optical carrier. Digitized telephone calls, Internet data, and other traffic may all be traveling around the SONET ring at the same time. Add/Drop multiplexers are used to add on or drop off particular services location by location.

Services Available via Optical Carrier
Just about anything you would transmit via copper wire can be sent on fiber optic cable, and then some. Examples might include VoIP telephone calls, PBX to PBX connections, high speed Internet service, ATM and Frame Relay, Cable TV, video conferencing up to full motion, corporate data transfer, and Ethernet based networks. Your particular location will dictate what you can order, based on the facilities that have been built-out in your area.

Discover Your Bandwidth Upgrade Options Now
You are likely paying too much money and getting too little bandwidth on your old T1 line contract. Get a competitive quote for upgrade service now, including high bandwidth solutions such as SD-WAN and Managed SDN Software Defined Networking, DOCSIS 3.1 Gigabit Cable Broadband, Carrier Ethernet and MPLS network services from 10 Mbps to 10 Gbps, with 100 Gbps available in some areas. Find out in seconds what network services and pricing are available now for your commercial business building anywhere in the U.S. Simply use this handy form...


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