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Building Cisco Remote Access Networks
book

Building Cisco Remote Access Networks

by Wayne Lawson
November 2000
Intermediate to advanced content levelIntermediate to advanced
608 pages
16h 50m
English
Syngress
Content preview from Building Cisco Remote Access Networks
156 Chapter 5 • Using ISDN and DDR to Enhance Remote Access Connectivity
TE1 Terminal Equipment 1 is a device that is compatible with
ISDN, such as a digital telephone or a router with an ISDN inter-
face.
NT2 The Network Termination 2 device directs traffic to and from
the user devices and the NT1, such as a private branch exchange
(PBX).
NT1 The Network Termination 1 device connects the ISDN wiring
(four-wire ISDN wiring) to the conventional local loop (two-wire
standard wiring).
LE The Local Exchange is the ISDN switch residing in the CO.
The reference points from Figure 5.2 are:
R (Rate) Reference point between TA and non-ISDN device.
S (System) ...
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Publisher Resources

ISBN: 9781928994138