05-08-2007 10:03 AM - edited 03-03-2019 04:53 PM
Imagine you have a T1, PPP link from CompanyA (7200 route) to CompanyB (6509 L3 Switch). In this case companies are located in another city and I am just wondering whether T1's are always real dedicated circuit, or perhaps throughtout the path to the other end you could technically see other types of medium other than the T1 line itself.
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05-08-2007 11:06 AM
A private line T1 between cities will surely be multiplexed onto higher speed links, but your data will always be virtually isolated from other traffic.
The 1.5 mb T1 (DS1) signal will be multiplexed into a DS3 45 mb signal (28 T1s), and the DS3 becomes an OC1 in a fiber system and gets muxed into higher OC levels, up to an OC-192 (9.9 gb/s).
http://www.linktionary.com/o/oc.html
Please rate helpful posts.
Dave
05-08-2007 10:41 AM
With a p-t-p T1 the circuit is dedicated end-to-end and it's not logical connections like frame relay or ATM. AFAIK it shouldn't mix or match with other circuits in the path.
HTH
Sundar
05-08-2007 11:06 AM
A private line T1 between cities will surely be multiplexed onto higher speed links, but your data will always be virtually isolated from other traffic.
The 1.5 mb T1 (DS1) signal will be multiplexed into a DS3 45 mb signal (28 T1s), and the DS3 becomes an OC1 in a fiber system and gets muxed into higher OC levels, up to an OC-192 (9.9 gb/s).
http://www.linktionary.com/o/oc.html
Please rate helpful posts.
Dave
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