Compatible Systems RISC Router 4000S Bedienungsanleitung PDF herunterladen (Seite 2)

2 Data Sheet Nautica 4000

Benefits

Extends Connectivity

The Nautica 4000’s flexible-access

design combines router and dial access

capabilities,providing network con-

nections for multiple analog dial-up,

digital dial-up,and digital leased lines.

Nautica 4000 offers direct online con-

nectivity with Point-to-Point Protocol

(PPP) dial access to internetworks for

clients and remote LANs,as well as

dedicated or dial connectivity into a

WAN backbone or Internet. Bay Net-

works adherence to standards allows

connectivity and interoperability for

Transmission Control Protocol/IP

(TCP/IP),IPX,and bridged networks

over ISDN,Frame Relay,and leased

lines in multivendor environments.

Offers Integrated Backbone

Access Over a Variety of

Interfaces

The Nautica 4000 gives users a variety

of options for connecting to a local or

remote backbone network. Switches

or backbone routers can be accessed

via an Attachment User Interface (AUI)

or 10BASE-T port at up to 10 Mbps;

a high-speed serial interface that

provides dedicated connections using

Frame Relay or PPP at up to 2.044

Mbps (V.35,X.21);or ISDN BRI with

integrated “S/T”or “U”interfaces to

make connections directly to the car-

rier. The Nautica 4000 also supports

V.24/RS-232 interfaces,supporting the

attachment of asynchronous devices

such as serially attached modems.

Ensures Network Performance

and Availability

The Nautica 4000 router’s Reduced

Instruction Set Computer (RISC)-based

multiprocessor architecture offers best-

in-class performance. High filtering

rates of 14,880 and forwarding perfor-

mance of 10,000 packets per second

(pps) allow the Nautica 4000 to meet

the most demanding throughput

requirements. What’s more,the Nautica

4000’s Dial-on-Demand,Dial- Around-

Dead Site (DADS),and Bandwidth-on-

Demand features ensure network avail-

ability during periods of dislocation

and high traffic congestion,offering

protection against business disruption

in the event of a discontinuity in the

selected data path. Nautica 4000s can

be configured by a wide array of local

and remote SNMP-based management

platforms,which allow for easy config-

uration and quick problem resolution.

Protects Investment

The Nautica 4000’s modular design

provides the performance and network

interfaces for network flexibility and

growth. The Nautica 4000 is compati-

ble with Bay Networks Adapteon

™

5399

remote access concentrator (RAC)

module, Adapteon 8000 RAC,Nautica

200,CLAM

™

, BayStack

™

Access Node

(AN

),BayStack Access Node Hub

(ANH

™

), Access Stack Node (ASN

™

Backbone Link Node (BLN

),Backbone

Concentrator Node (BCN

),and Marlin

™

routers. The Nautica 4000 can interop-

erate with third-party vendors equip-

ment using PPP,Multilink PPP (MP),

Bandwidth Allocation Control Protocol

(BACP),Hifn data compression,Com-

pression Control Protocol (CCP),and

Microsoft Point-to-Point Compression

(MPPC).

Hardware Features

High-Performance Processor

The high-performance,highly flexible

Nautica 4000 routers feature:

• MIPS 33000,MC68360,and

MC68302 microprocessors for

I/O interface activity

• Filtering rate of 14,880 pps

• Forwarding performance that

exceeds 10,000 pps

Each Nautica 4000 can contain 4 to

32 megabytes (MB) Dynamic Random

Access Memory (DRAM) and 1.5 MB

Flash memory. Software image and

configuration files can be downloaded

remotely to the Flash memory,

simplifying upgrades and fault

recovery procedures.

Ethernet The Nautica 4000 routers

has a 10BASE-T (RJ-45) connector and

one AUI connector for a choice of

connectivity. The interface supports

IEEE 802.3 and Version 1.0/2.0

Ethernet frame formats.

Synchronous The Synchronous WAN

interface supports clocking rates of up

to 2.044 Mbps. It is available config-

ured with V.11/X.21,V.24/RS-232,or V.35

physical interfaces for support of Frame

Relay or leased line services. The V.24

interface can also connect to an analog

modem for public-switched telephone

network (PSTN) dial-up routing.

Integrated Modems Optional inte-

grated V.34 modems are available with

the Nautica 4000. The modems enable

calls originating on an analog PSTN

service to be terminated by the Nautica

4000. Up to 16 simultaneous connec-

tions can be made with two optional

4-port modem modules,and two 4-port

expansion modules.

ISDN Basic Rate Interface (BRI)

The Nautica 4000 provides an inte-

grated,high-performance solution for

companies using dial services with up

to eight ISDN BRI interfaces. Each

interface has two 64 Kbps B-channels

for data and one 16 Kbps D-channel for

signaling. Each ISDN BRI features an

MC68302 microprocessor. The ISDN

BRI connector is a RJ-45.

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