MCI [ATM overhead]

And here's one that [fills in the gaps] shows the relationship between STS
and SDH:

SONET/SDH Heirarchies


STS-1/OC-1 51.84 Mb -
STS-3/OC-3 155.52 Mb STM-1
STS-12/OC-12 622.08 Mb STM-4
STS-24/OC-24 1244.15 Mb -
STS-48/OC-48 2488.32 Mb STM-16
STS-192/OC-192 9953.28 Mb STM-64

- paul

Thank you for your interest in our announcement, "Connections to the
Internet". We will send you a copy as soon as possible. For your
information, please note that this information is also available at the
web site

Best regards,

Mark Luker