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teleos.txt
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1999-11-04
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Teleos Access Server
The Access Server is Customer Premises Equipment (CPE) located in the
position formerly occupied by a T1 multiplexor. The Access Server is a
switch that allows simultaneous Bandwidth-On-Demand access to each of the 23
64 Kbps B channels on the PRI interface.
The Teleos Access Server was designed to add value through switched access
to those emerging switched digital network services. Specific interface
cards are then added to the Access Server for each type of access (premises
or netowrk) desired. End users no longer need to provision T1 channels among
voice, data, image, and videoconferencing. Currently, network interfaces are
available for T1 and PRI in all the protocol formats used by North American
Inter-Exchange and Local Exchange Carriers. Premises-side interfaces are
availbable for T1, PRI, BRI, IBM token Ring and V.35 (through the Teleos
Escort PRI TA).
A Teleos Access Server will serve as the single point of switched digital
network access from teh store. Older PBXs will be connected to the Access
Server via a Teleos T1 interface. An IBM 3174 Controller and a workstation
will be attached to the Token Ring. All access from the store with the
exception of local voice and local data calls will be via PRI.
CICS applications such as Inventory, Pricing, Payroll, etc. willl run on an
IBM Series 1 processor. Both the Series 1 and the Token Ring will connect to
a modem sharing device for access to a 9.6 Kbps leased line for SDLC access
to an IBM 3090 host processor. Credit card verifications for business
customers will be directed to the Series 1 which permits access to the host.
A key application driving the network architecture involes image transfer
technology, which could lead to the presentation of high resolution images to
the store's merchandiser to assist in selecting styles and colors of
merchandise to make available in their stores. The images can reside on the
file server or the mainframe at the data center. They are accessed using a
high-resolution PC workstation with a graphical user interface. In trails
thus far, the call setup time through the IAP6000 Access Server hs been less
then two seconds.
The IAP6000 Access Server at the data center haso nly a Token Ring
interface on the premises side, and is connected on the network side over a
direct access PRI to MCI's DMS-250.
Teleos Communications has forecast that using switched digital services
rather than dedicated T1 network will save about 27% in recurring monthly
network operating charges for this netowrk.
Note:
Teleos, together with Network Software Associates (NSA), is pleased to
announce the availabbility of a PC-based 3270 emulation application. This
product is compatible with IBM's new 3174 Establishment Controller
equipped with the recently announced Basic Rate Interface (BRI) adapter.
When used with these new IBM products, the Teleos/NSA soution allows
ISA bus PCs to achieve 3270 terminal access and printer in an IBM S370 or
S390 environment via local or remote cluster controllers. The product
solution consists of AdaptSNA 3270 Emulator software form NSA and Teleos'
B101PC Terminal Adapter.
Teleos Escort
== Switching Interface ==
The Teleos Escort is a Primary Rate Interface Terminal Adapter (PRI TA)
that lets you leverage the power of the switched digital network by offering
access to a wide variety of high-speed switches services. These include AT&T
ACCUNET Switched Digital Services (56,64,336,384, and 1536Kbps), MCI Vnet
Switched 56, and U.S. Sprint VP 56.
The Escort's unique Bandwith-On-Demand feature allows you to dial up
network bandwidth for applications on an "as needed" basis. You pay only for
the bandwidth you use and access it only when you need it, resulting in a
reduction in overall transmission costs. This feature makes the Escort
ideally suited for applications such as videoconferencing.
The Escort supports dual standard RS366 dialing interfaces that let you
access the direct dialing capabilities of video codecs. The Escort also
provides an interface for serial, synchronous host communication via dual
V.35 or dual RS449/RS530. Thus, by using the codec's keypad, you can easily
establish a videoconference with a remote video codec.
Escort options include an intergrated T1 Channel Service Unit (CSU), which
allows direct connection to the T1 line without additional external
equipment, and a Multi-Channel Synchronization feature, which provides the
capablity to bundle 56/64 Kbps channels into n X 64 increments
Simply put, the Escort allows you to link customers, suppliers, and
strategic partner over Switched Digital Networks with the flexibility and
cost efficiency of Bandwidth-On-Demand.
Teleos Virtual Networking
== Combining Private & Public Networks ==
Teleos Access Servers give corporate end users the "best of both worlds":
Virtual Private Networks (VPNs) and Hybrid Private Networks (HPN). These
networks deliver advance services over the more flexible and cost-effective
public switched digital network.
This emerging networking environment allows small and medium size
businesses, as well as large corporations, to leverage the full menu of
switched services for intra-and inter-enterprise networking applications.
Among the advance virtual networking features enabled by an IAP6000 Access
Server are multi-point. Token Ring LAN bridging, distributed image
communications, video conferencing services, intra/inter-bulk file transfer,
and multi-vendor PBX interconnection.
For companies considering switched networking or phasing out cumbersome,
expensive private networks, the new features allow users to define a virtual
networking environment, mixing both public and private leased lines to
optimize network management resources, costs, and network traffic for more
competivite decisions-making based on information access, flow, and
distribution. Virtual Networking offers the following advantages:
o Just-In-Time Bandwidth Optimization
Customers want dynamic bandwidth allocation on demand and want to pay
for it when they need it. "Just-In-Case" based private networks do not
offer this flexibility.
o Information Sharing
Virtual networking provides true information sharing with partners and
customers by enabling simple and flexible network topologies for either
vice, data networking, image, or videoconferencing.
o Unlimited Network Redundancy
Customers can use the built-in-redundancy of public Switched Digital
Networks eliminating the need for building backup routes as required by
proprietary private networks.
o Choice of Carriers
All major carriers offer Switched Digital Network services with an open
standard switched access (i.e., ISDN PRI) enabling a global networking
perspective for the first time.