E-carrier system - definição. O que é E-carrier system. Significado, conceito
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O que (quem) é E-carrier system - definição

DACS (Digital Access Carrier System); Digital Access Carrier System
  • Two Telspec DACS remote units mounted on a pole
  • Populated DACS PCBs

E-carrier system      
<communications> A series of digital transmission formats promulgated by the ITU and used outside of North America and Japan. The basic unit of the E-carrier system is the DS0, which has a transmission rate of 64 Kbps, and is commonly used for one voice circuit. The E1 format consists of 32 DS0 channels, for a total capacity of 2.048 Mbps. E2, E3, E4, and E5 circuits carry multiple E1 channels multiplexed, resulting in transmission rates of up to 565.148 Mbps. The E-carrier system is similar to, and compatible with, the T-carrier system used in North America, but has higher capacity since it uses out-of-band signaling in contrast to the in-band signaling or bit-robbing used in the T-system. (2000-03-10)
common carrier         
PROFESSION
Common carriers; Common Carrier; Carrying for hire; Common carriage; Common carrier obligation; Common-carrier; Residual common carrier obligation; Public carrier; Motor carrier (designation)
<communications, company> (Or "phone company") A private company that offers telecommunications services to the public. (1995-03-20)
common carrier         
PROFESSION
Common carriers; Common Carrier; Carrying for hire; Common carriage; Common carrier obligation; Common-carrier; Residual common carrier obligation; Public carrier; Motor carrier (designation)
¦ noun
1. a person or company undertaking to transport any goods or passengers on regular routes at agreed rates.
2. N. Amer. a company providing public telecommunications facilities.

Wikipédia

Digital access carrier system

Digital access carrier system (DACS) is the name used by British Telecom (BT Group plc) in the United Kingdom for a 0+2 pair gain system.