A character-interleaved TDM is used to combine the data streams of a number of 2

Question

A character-interleaved TDM is used to combine the data streams of a number of 2400-baud asynchronous terminals for data transmission over a 128 Kbit/sec digital line. Each terminal sends characters consisting of 7 data bits,1 parity bit, 1 start bit, and 1 stop bit. What’s the number of bits per character? __________. How many characters per second can be sent by one terminal? ___________ what is the maximum number of terminals that can be accommodated by the multiplexer onto the digital line? ___________.

Explanation / Answer

A. The number of bit per charecter = 7data bit +1parity +1start bit+1stop= 10bits

B. 2400bits can be transmitted per second by terminal.. so number of charecter = 2400/10= 240charecters

C. Maximum number of terminals = 128000/2400=53.33

So the maximum number of terminals =53

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