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Chapter 1. Introduction
61200266L1-1 ATLAS 810
PLUS
User Manual 1-5
T1 Bandwidth Manager
As a T1 Bandwidth Manager, ATLAS 810
PLUS
combines the functions of a T1
CSU/DSU, an intelligent channel bank, a T1 Multiplexer, and DACS into a
single platform. The Bandwidth Manager supports a wide range of data ap-
plications including T1 “drop and insert,” channel grooming, and wide area
data transport. ATLAS is ideal for point-to-point configurations or access to
public networks. For optimization of existing equipment and network re-
sources, ATLAS can be paired with ADTRAN’s TSU product offerings to
support a variety of data and analog voice applications (see Figure 1-4).
Figure 1-4. T1 Bandwidth Management
ISDN Access Switch
The ATLAS 810
PLUS
includes an advanced access architecture for switching
dialup calls to specific ports or DS0s. As an access switch functioning in a
user-to-user network and user-to-user mode, ATLAS consolidates multiple
basic rate ISDN (BRI) connections onto T1/PRI access lines. Additionally,
BRI-to-BRI, BRI-to-PRI, and PRI-to-PRI switching are supported. ATLAS
also converts between ISDN D channel (PRI or BRI) and T1 Robbed Bit Sig-
naling, allowing a non-ISDN PBX to access a more efficient ISDN facility. For
network optimization, when bandwidth is not being used for switched ap-
plications such as video conferencing, switched connection mapping dy-
namically allocates bandwidth to the PBX for voice traffic. Call Filtering
allows you to program the call types that will be answered and/or originat-
ed on a per-user basis.
WAN Overbooking
The WAN Overbooking feature of ATLAS 810
PLUS
allows you to oversub-
scribe switched bandwidth for situations where simultaneous access to the
network by every subscriber is not required. WAN Overbooking reduces
telecommunications expenses while still giving your subscriber base the
connectivity they require. Local subscriber-to-subscriber connections are
made without accessing the network at all, resulting in even more efficient
use of wide area bandwidth (see Figure 1-5 on page 1-6).
ATLAS 810
PLU
S
System Controller Quad T1/PRI
Quad T1/PRI Quad Nx 56/64
DSX-1 V.35 V.35
Remote
Locations
Remote
Locations
ATLAS Bussing System
Quad Nx 56/64