Optical Carrier Level Circuits

What is an OC-12?

An OC12 is approximately equal to 4 OC3s and runs at 622 Mbps. which makes it an excellent point-to-point IP delivery connection. The greatest benefit to an OC-12 is that bandwidth can be added to a business as it grows without any major system overhauls. An OC12 can also allow  a business to have unlimited IP addresses which insures that growth is never limited...

'OC' stands for Optical Carrier and is used to specify the speed of fiber optic networks conforming to the SONET standard. SONET, (Synchronous Optical Networks), includes a set of signal rate multiples for transmitting digital signals on optical fiber. The base rate (OC-1) is 51.84 Mbps. Certain multiples of the base rate are provided shown below with bandwidth amounts. Asynchronous transfer mode (ATM) makes use of some of the Optical Carrier levels.

      OC-1 = 51.85 Mbps
      OC-3 = 155.52 Mbps
      OC-12 = 622.08 Mbps
      OC-24 = 1.244 Gbps
      OC-48 = 2.488 Gbps
      OC-192 = 9.952 Gbps
      OC-255 = 13.21 Gbps

 

To put it into perspective, the speed of an OC12 connection is 622Mbps. This is equivalent to 14 T3 lines or approx. 414 T1 lines.

 

Fiber Optics

Optical Carrier Level circuits such as OC3 (Optical Carrier Level 3, fiber optic, 2016 Voice Circuits at 155.520Mbps), or OC12 (Optical Carrier Level 12, fiber optic, 8064 Voice Circuits at 622.080Mbps), are excellent high end MultiMeg circuits for large sized businesses.

 

Prices roughly range from $10,000 to $25,000+/month to maintain, but for businesses looking for the ultimate in high-speed connectivity and networking, OC-x circuits are the best and most dependable for the money.

 OC12 Line Services

 

 

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