An OC12 is equal to 4 OC3 bandwidth connections.
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no
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There are 3 DS3's in an OC3. Generally an OC3 or higher capacity circuit will be used to deliver a DS3 due to distance limitations of the DS3. http://www.intelletrace.com/internet-services/OC3-Internet-Services.html www.intelletrace.com Wholesale Internet for Business
An OC12 is the equivalent of 4 OC3's or 12 DS3's. A DS3 Breaks down to 28 T1's. Therefore there are 336 T1's on an OC3. If you go one step further there are 672 DS0's on a DS3 or 8064 DS0's on an OC12. a DS0 is a 64k Channel equal to a single POTS line. http://techblog.intelletrace.com/what-is-a-ds3-hub/
The base rate of an OC-3 would be 155Mbps. www.intelletrace.com
There are 622 megabytes in an OC12 circuit. These megabytes are transferred per second at that rate. OC12 is a SONET standard product.
A T1 is copper, and OC3 is fiber optic, so there is no way to make a T1 into OC3. Speed on a T1 is 1.544 Mbps, and speed on the OC3 is 155.52 Mbps, so in rounding, you need 100 T1 lines to equal the speed of an OC3.
An OC768 circuit is equivalent to having 64 OC12 circuits. The OC768 runs at 39.812 Gbps whereas the OC12 circuit runs at 622.08 Mbps. The OC768 bandwidth is extremely rare and expensive.
In regards to Data speed or Data Transfers it means that the connection should be T-3 or DS3 or greater. Faster than 45Mbps. Faster Speeds are OC3, OC12, FastE and GigE http://www.intelletrace.com/internet-services/internet-services.html
There are three, known as STS-3.
An OC3 breaks down to three DS3's. A DS3 Breaks down to 28 T1's. Therefore there are 84 T1's on an OC3. If you go one step further there are 672 DS0's on a DS3 or 2016 DS0's on an OC3. a DS0 is a 64k Channel equal to a single POTS line. http://techblog.intelletrace.com/what-is-a-ds3-hub/
The rate that an OC3 can move data is at 155Mbps. For more answers go to. http://www.intelletrace.com/internet-services/OC3-Internet-Services.html
This answer can go in many differnet DIrections. 600 Pair Telephone Cable is equivelant to: 600 POTS ( Plane Old Telephone Service) 300 T1's (T1 = 1.5 MBPS or 23 PRI trunks or (6900 channels) OC 12 is delivered on 1 pair of Single Mode Fiber generally SC Connectors. OC12 = 622 Mbps OC12 = 12 DS3 OC12 = 336 T1's or PRI circuits, or 7,728 Voice Channels)
An OC3 is delivered to you using Single Mode Fiber. There is equipment needed on site including power provided at the customer prem. This is a SONNET based service. For proper redundancy there should two points of entry and two separate paths to your location. if not, it is considered a Collapsed Ring. www.intelletrace.com