Data Communication

Digital Hierachy

Committee T1
ATIS is a United States based body that is committed to rapidly developing and promoting technical and operations standards for the communications and related information technologies industry worldwide using a pragmatic, flexible and open approach.
EverythingT1.com
Everything T1 defines freedom with 35 leading providers of Internet, data and voice services for your business.
T-1 Carrier
Webopedia definition and links about T1
Network and Services Integration Forum
NSIF is an industry group that was established to define and resolve SONET (synchronous optical network) implementation issues.
DCB's T1 Info
"All you wanted to know about T1's but were afraid to ask"by Bob Wachtel
T1 T-extender
DCB's T1 repeater for customer-owned cable.
SONET/SDH Technical Summary
Defines SONET and SDH


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