
thumb|right|Left: A 66 block; center and right: Cabinets containing [[Smartjack network interface devices for T1 circuits]]
thumb|right|Left: A 66 block; center and right: Cabinets containing [[Smartjack network interface devices for T1 circuits]]
The T-carrier system is a member of the series of data-multiplexing carrier systems developed by AT&T Bell Laboratories for digital transmission of multiplexed telephone calls.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).