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Answers required

Can Anyone Please provide the answers fr the following questions

There are broadly 4 types of Telecom Services? Frame Relay (FR), Leased Line (LL), ISDN, POTS. Are they differing only in terms of Speed or Bandwidth?

Why we have Origination and Termination site only for FR and LL but not for ISDN and POTS?

What are PVC bandwidth, Port speed and LEC bandwidth? How they differ from each other?

Why for any FR service LEC bandwidth > Port Speed > PVC Bandwidth?

Like for example T1, T3 Line what are other different kind of lines and there bandwidth?

Among the following which all can drop into SONET ring? FR, LL, ISDN, POTS and T1, T3, etc?

For a line or service to be dropped into SONET ring is there any pre-requisite such as there bandwidth and service type?

What are STS No., Rail No., Bay, Panel, Time Slot, Vendor Node, Central Office, CILLI Code, Drop Point, Jack Position, and LDC in reference to SONET?

What are DLCI, DEMARCATION, NPA/NXX, Jack type and Equipment type with respect to any service?

thanks in advance

1 REPLY

Re: Answers required

Hi

The answers to all your questions lie at following links:

www.cisco.com

www.google.com

www.whatis.com

Happy reading........

Regards

JD

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