E1 Telphony link, analysis of performance parameters
The European E1 digital telephone system transmits at 2048 kbps and the DS-1 system carries data signals in the US at 1.544 Mbps.
a. How many voice channels are carried by a E1 transmission given 8 kHz sampling and 8 bit words?
b. Why is an end of frame marker always required in a digital telephony system?
c. What is the typical distance between repeaters for an DS-1 signal sent over a twisted pair telephone line?