Patton electronics 2784 NAU Manuel utilisateur

he Patton 2784 Network Access Unit is a multiservice,

integrated access platform that enables service providers to

integrate dial-in modem users, Internet, Extranets, Corporate

Intranets or IP LANs–using Ethernet, Frame Relay, or PPP–over

a single network backbone connection.

Network connectivity has developed into an integral part of today’s

business infrastructure. The number of connected users directly

translates into an increased demand for WAN access. Private enterprise

networks, incumbent local exchange carriers, and competitive local

exchange carriers (CLEC's) have all found that, in order to compete

effectively, they must offer products and services which form an

integrated solution.

By providing an integrated business solution, carriers now have the

opportunity to leverage technology to further their own business

objectives. By eliminating multiple pieces of equipment, application

performance is enhanced. Through simplified configuration and network

management, maintenance and support costs are dramatically reduced.

NETLINK™ ACCESS PRODUCTS

The Patton 2784 Network Access Unit provides dial-in remote access ports, Frame

Relay VPN, PABX, Ethernet, IP Router over a single T1/E1 network port

Network Access Unit

Patton 2784 NAU

Use SNMP or HTTP to completely configure, control,

and manage all subsystems

Dial-In Modems

VPN Support Frame Relay

1U-high platform with DSP architecture

for analog and digital modems

Built in FRAD (RFC-1490) for creating

data VPN’s

Drop-and-Insert

PABX support for Voice and Fax calls

IP Routing

Provides IP LAN connection for all users

SNMP/HTTP Management

IAD

OVERVIEW • MANAGEMENT

Patton 2784 Network Access Unit

Product Overview

The 2784 NAU enables the small/medium-size enterprise to

take advantage of multiservice networking using a single

multifunction platform for service concentration. The

enterprise customer can now employ a single carrier facility

(T1 or E1) for voice, data, Internet, LAN and remote access

applications.

Frame Relay virtual circuits allow interoffice

communications without using additional leased lines,

dramatically reducing both equipment and facilities’ costs.

Frame Relay’s ability to combine multiple streams of

“bursty” data over a single physical interface provides the

advantage of high bandwidth and wide area connectivity.

The Drop-and-Insert port serves an attached PABX for

local voice calls to the public switched telephone network.

Through user configurable timeslot selection, the 2784 NAU

can process Voice and Modem calls by routing a call to

either the PABX or to an internal modem for dial-in remote

access (RAS).

By answering and terminating both analog (V.90,

K56Flex™, V.34+) and digital (ISDN) calls, the 2784

functions as a Remote Access server. Each call is processed

by a single DSP functioning as a digital modem. PPP/SLIP

users easily become an attached node on the network. Built-

in filtering offers security over users’ activity on the network.

IP Routing permits access of local area network traffic

either to remote offices or to the Internet through the built-in

routing engine. IP datagrams, routed by the CPU, are then

forwarded to a FR/PPP WAN port or a 10Mbps Ethernet

LAN for delivery.

The 2784 NAU provides for extensive

connection management and operator control

from a variety of local and remote interfaces.

Each 64kbps DS0 can be configured to support

six unique services–all using an easy-to-learn

GUI.

Management interfaces are presented through a

built-in SNMP agent, an embedded HTTP Web

server, or via a standard TELNET session.

Access, with security through multi-permission

passwords, is accomplished through the RS-232

console port, Ethernet port, Frame Relay port,

or through any dial-in port.

The built-in HTTP server allows each 2784

management screen to appear as an intuitive

Web page to the user. Operators can configure,

control, monitor or receive status on any 2784

parameter–from any PC.

SNMP/HTTP Connection

Management

The 2784 NAU provides integrated voice support by

presenting up to 24 voice/fax calls onto the T1 DSX-1 Drop-

and-Insert port. The user may select the number of channels

(1-24 voice/fax calls) to be "dropped" onto the PABX port by

customizing the DS0 channel selection configuration through

the SNMP/HTTP NMS (see screen snapshot, opposite).

DS0s can also be identified as dial-in modem ports. With this

facility, the 2784 will intercept and answer V.90, K56Flex

™

V.34+ and ISDN BRI users via built-in DSP modems.

This allows the 2784 to minimize costs and maximize

facilities by answering remote access calls within the 2784,

while switching calls to the PABX to handle corporate

voice–all at the same time. Now users can call the corporate

voice and data networks, using different telephone numbers

on the same T1.

The 2784 NAU offers a flexible and cost-effective network

access solution using Frame Relay over a multi-service

T1/E1 connection. Designed to be simple and efficient,

Frame Relay is a data networking technology for connecting

remote offices over the Wide Area. While eliminating the

need for individual and expensive leased lines, Frame Relay

provides distance insensitive connections to remote

networks. Connectivity is established through logical end-to-

end connections [Permanent Virtual Circuits (PVCs)]

between the 2784 and the remote office.

Frame Relay provides multiple PVCs over a single physical

circuit, which allows the 2784 to forward data over those

connections to its intended destinations. Using RFC-1490

multiprotocol encapsulation and the 2784's sub-interface

architecture, each virtual circuit is multiplexed over a single

physical interface. The 2784 NAU scales to support

additional connections without adding to capital equipment

costs.

By combining the capabilities of a CSU/DSU, FRAD and

router, the 2784 provides scalability without the additional

costs of multiple pieces of equipment.

APPLICATIONS

Patton 2784 NAU Applications

Frame Relay

Corporate Voice Integration

Flat rate pricing from service providers results in significant

cost savings when comparing leased-line services with public

facilities from carriers. As a cost-effective alternative to direct

dial-in connections or leased lines, Virtual Private Networks

(VPNs) create a new telecommunications capability by

providing secure remote access across the public Internet or

Frame Relay network.

By permitting the enterprise to use a public data network,

VPNs take advantage of the Internet's global presence. Using

the Patton 2784 NAU, mobile and SOHO users can create

secure intranet access using industry standard Layer 2

Tunneling (L2TP) and IP Security (IPSec) VPN technology.

VPN's support secure remote access to the home network

LAN. A secure path, or “tunnel”, is set-up between the 2784

and the end user. Once the session is established, applications

function as though a direct connection to the local LAN exists.

Tunneling encapsulates private intranet traffic into the Internet,

while security enhancements control user authentication,

authorization and encryption to assure confidentiality of all

private information.

Patton 2784 NAU

Modem modulations

PSTN signalling

Telecom certification

Homologation received

Management services

Authentication

Software upgrades

Protocol services

V.90 • K56Flex™ • V.34 Annex 12 • V.34 • V.32bis • V.32 • V.23 • V.22 • V.22bis • V.21 • Bell 212A • Bell 202 • Bell 103 •

EIA-PN-2330 • V.8 • V.8bis • Sync/async receiver/transmitter for V.14 • V.42/V.42bis error correction & compression.

E1 Primary Rate • E1 MFCR2 (R2) • T1 Primary • T1 Robbed bit with Loop/Ground Start or E&M Wink Start

CTR-4 (Euro-ISDN) • INS1500 (Japan) • TSO14 (Australia) • NI-1 • Lucent 5ESS • NorTel DMS (USA)

CEX-168 • EN60950 • IEC950 • UL1950 [NRTL] • FCC Part 15A • FCC Part 68B • CS-03 • ACA TS038 • CTR-4

RADIUS • PAP/CHAP • Username/Password and Static Users Database

Achieved through Flash upgrades via FTP (upgrades available from www.patton.com)

HTTP • SNMP • TELNET Dial-in and Ethernet or RS232 console port • SYSLOG client • Remote software upgrade via FTP • User

configurable login prompts and banners • DHCP for IP address management and conservation

TCP/IP suite with extensive protocol statistics • ICMP/TFTP/FTP/RLOGIN/TELNET • Ethernet ARP, Proxy ARP and RARP

protocols • point-to-point protocol (PPP) • SLIP protocol • Van Jacobson TCP header compression PPP address and protocol

compression • RADIUS authentication and accounting, with support for primary and secondary servers • RIP and RIPv2 dynamic

route distribution • User configurable static routes • TCP clear connection

Frame Relay LMI T1.617 Annex D • LMI Q.922 Annex A • Multiprotocol encapsulation via RFC 1490 • 32 PVCs • User configurable timeslots

assignments • User static designation of far end IP address • Inverse ARP • RFC 1315 MIB support

L2TP (Layer 2 Tunneling Protocol) • IPSec (IPSecurity) - DES, PPP PAP/CHAP • RADIUS (RFC 2138) • Packet Filtering

Security

Virtual Private Networking

7622 Rickenbacker Drive

Gaithersburg, MD 20879 USA

Phone +1-301/975-1000

Fax +1-301/869-9293

E-mail [email protected]

URL http://www.patton.com

07MD2784-DS2

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