hi srini T1/E1 is the same Whare
T1 consists of 24 time slots whare as E1 cosists of 32 time slots .
it will be used to combine all
voice channel data all data is
multiplexed send to other end .E1
are converted the data to laser .
it require hardware, multiplexer ,microcontrolers.each
time slot consists of 64kbps if
multiplying with 32 will u get
2.048 mb E1 consists of the same data.