A ISDN PRI circuit can be described as which of the following?

A.) 24 B channels and 1-64Kbps D channel

B.) 23 B channels and 1-64Kbps D channel

C.) 2-D channels and 1-C channel

D.) 2-64Kbps B channels and 1-16Kbps D channel



A ISDN PRI circuit can be described as which of the following? A.) 24 B channels and 1-64Kbps D c..

Answer / guest

Answer: B

There are two types of ISDN Channels:

BRI (Basic Rate Interface) - is 2 64Kbps B channels for data
and one

16Kbps D channel for link management.

PRI (Primary Rate Interface) - is 23Kbps B channels and 1
64Kbps D channel.

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