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Appendix F ISDN Module
An Integrated Services Digital Network (ISDN) is one of the
most rapidly expanding technologies for transmitting data and
voice over wide area networks (WANs). The popularity of ISDN
is due to its high-speed WAN connections at low cost, enabling
greater productivity not only for home office workers or internet
users, but also for corporate branch offices and remote sites.
In comparison, ISDN can transfer data more than four times as
fast as a cutting-edge 28.8 Kbps modem. In its simplest form,
ISDN offers the Basic Rate Interface (BRI), which has two
64Kbps B channels and a single 16Kbps D channel. The B
channels can be combined, making the maximum transmission
rate of 128Kbps. Furthermore, data compression enables an
ISDN link to achieve up to 512Kbps transmission speeds.
ISDN provides high-speed remote access that is ideal for
applications where analog connections are too slow and T1
connections are too expensive.
The ISDN Router module for the TE100-S55 is an excellent
solution for connecting individuals or offices to headquarters or to
the internet/intranet. It offers the equivalent bandwidth and
reliability of leased lines at a significantly lower cost.
The ISDN Router module uses a single ISDN BRI capable of
sending data over one B channel for data rates of 64Kbps or use
both B channels for data rates of up to 128Kbps. Optional data
compression can boost throughput up to 4-to-1 (512Kbps),
depending on the data being transferred.
How to Install the ISDN module