ISDN PRI Data Throughput?

What is the data throughput speed of an ISDN PRI connection? I seem to have some contradicting statements with my study guide...yikes!!!

Thank you in advance for any help!

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bmauro

http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/isdn.htm#wp1020575

Plantwiz

Varez IT wrote:

I seem to have some contradicting statements with my study guide...yikes!!!

Thank you in advance for any help!

Which study guides are you using?

aaronj

ISDN PRI is 23 64Kbps B channels and 1 64Kbps D Channel. D is for control so I would think the maximum throughput would be 64 x 23 = 1.472. I believe I read somewhere that it was like 1.555 so I wonder if they count the D channel in with the B channels.

I know for a fact that ISDN BRI is 128Kbps maximum throughput, 2 64Kbps B channels and 1 16Kbps D channel.

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