Read this whole guide offline with no ads, for a very low price!
Click Here!
Use coupon code "certiguide" to save 20%!
(Expires 2004/12/31)

NEW! Network+ N11-003 2005 Beta Exam Study Guide - Just $9!
Get It Here!

Custom Search







Table Of Contents  CertiGuide to Network+
 9  Chapter 0111: Wide Area Networking
      9  III  Individual Dial Up Remote Access

Previous Topic/Section
BRI ISDN
Previous Page
Pages in Current Topic/Section
1
Next Page
Remote Access Dial-up Protocols
Next Topic/Section

PRI ISDN

The PRI ISDN (Primary Rate Interface Integrated Digital Subscriber Network) comprises 23 64Kb/sec. ISDN ‘B’ channels and one 64Kb/sec ‘D’ channel, yielding a maximum data throughput rate of. Note that 1.544Mb/sec this is the same as a T-1 line. To achieve this completive performance, the channels must be bonded. Unlike a T-1 line, it is circuit switched. A T-1 line is dedicated between two points.

To accomplish this, a NT2 device terminates the line and performs the multiplexing and switching on the customer site.

Generally, PRI lines can be found on the incoming side of corporate networks, to provide access to telecommuting employees equipped with ISDN lines at home, or on the incoming side of an ISP that serves users connecting to the ISP via ISDN (usually as an extra-cost option over dial-up service).


Previous Topic/Section
BRI ISDN
Previous Page
Pages in Current Topic/Section
1
Next Page
Remote Access Dial-up Protocols
Next Topic/Section

If you find CertiGuide.com useful, please consider making a small Paypal donation to help the site, using one of the buttons below. You can also donate a custom amount using the far right button (not less than $1 please, or PayPal gets most/all of your money!) In lieu of a larger donation, you may wish to consider buying an inexpensive PDF equivalent of the CertiGuide to Network+ from StudyExam4Less.com. (Use coupon code "certiguide" by December 31, 2004 to save 20%!) Thanks for your support!
Donate $2
Donate $5
Donate $10
Donate $20
Donate $30
Donate: $



Home - Table Of Contents - Contact Us

CertiGuide for Network+ (http://www.CertiGuide.com/netplus/) on CertiGuide.com
Version 1.0 - Version Date: November 7, 2004

Adapted with permission from a work created by Tcat Houser and Helen O’Boyle.
CertiGuide.com Version © Copyright 2004 Charles M. Kozierok. All Rights Reserved.
Not responsible for any loss resulting from the use of this site.