How many ds3 in a oc3?

An OC-12 has 4 x OC3. An OC3 has 2 x DS3. In total, there will be 12xDS3 in one OC12.

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...

A DS3 can do 45Mbps Bidirectional Simultaneously.That is 5.63 MBps

An OC3 can be Muxed down to 3 DS3's a DS3 is also known as a T3.

A OC48 is the equivalent of 1600 T1 lines or a little more than 56 T3 lines and can carry a total signal at 2488 megabits per second.