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Chapter 1. Introducing the ATLAS 800PLUS
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
PLUS
The ATLAS 800
includes an advanced access architecture for switching
dial-up 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 PB 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
PLUS
The WAN Overbooking feature of ATLAS 800
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 Figure 1-5 on page 1-6.
PLUS
61200226L1-1
ATLAS 800
User Manual
1-5
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