What is the proportion of overhead in a basic rate ISDN signal? (Assume the D channel is part of the overhead.) Compare with the overhead in a DS-1 signal.

What is the proportion of overhead in a basic rate ISDN signal? (Assume the D channel is part of the overhead.) Compare with the overhead in a DS-1 signal.

What is the proportion of overhead in a basic rate ISDN signal? (Assume the D channel is part of the overhead.) Compare with the overhead in a DS-1 signal.

What is the proportion of overhead in a basic rate ISDN signal? (Assume the D channel is part of the overhead.) Compare with the overhead in a DS-1 signal.