I periodically wonder what the speeds are for various network pipes for companies, etc.
The following list is from HowStuffWorks: Howstuffworks "How does a T1 line work?"
DS0 - 64 kilobits per second
ISDN - Two DS0 lines plus signaling (16 kilobits per second), or 128 kilobits per second
T1 - 1.544 megabits per second (24 DS0 lines)
T3 - 43.232 megabits per second (28 T1s)
OC3 - 155 megabits per second (84 T1s)
OC12 - 622 megabits per second (4 OC3s)
OC48 - 2.5 gigabits per seconds (4 OC12s)
OC192 - 9.6 gigabits per second (4 OC48s)


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