
3-1
Chapter 3
Implementation Notes
This chapter provides information about Bay Networks implementation of each
dial service.
Implementation Notes for ISDN
The following sections detail ISDN operation on your router.
BRI Service on the AN, ANH, and ASN
The Access Node (AN™), Access Node Hub (ANH™), and Access Stack Node
(ASN™) support the BRI standard for ISDN using an integrated ISDN/BRI
module.
The integral ISDN BRI functionality allows you to connect directly to the ISDN
network, as opposed to connecting via a terminal adapter. With BRI support, you
reduce equipment costs and simplify connections to an ISDN switch.
The BRI implementation supports all three dial services. In addition, the
implementation supports an ISDN leased-line application (only for Germany).
Later chapters in this book describe how to configure each service for connection
to an ISDN network.
B Channel Support
In keeping with the BRI standard, each port on the ISDN/BRI module provides
two 64 Kb/s B channels for data transmission, allowing communication with two
remote locations simultaneously.
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