Cabletron Systems 9A426-01 Manuale utente

903number

SmartSwitch 9000

9A426-01 ATM Module

User’s Guide

Notice

Cabletron Systems reserves the right to make changes in speciﬁcations and other information

contained in this document without prior notice. The reader should in all cases consult Cabletron

Systems to determine whether any such changes have been made.

The hardware, ﬁrmware, or software described in this manual is subject to change without notice.

IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDIRECT,

SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT NOT LIMITED

TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION

CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF, KNOWN, OR

SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH DAMAGES.

Cabletron Systems, Inc.

35 Industrial Way

Rochester, NH 03867-5005

Printed in the United States of America

Order Number: 9032055-02

LANVIEW

is a registered trademark and

SmartSwitch

is a trademark of Cabletron Systems, Inc.

CompuServe

is a registered trademark of CompuServe, Inc.

i960 microprocessor

is a registered trademark of Intel Corp.

Notice

FCC Notice

This device complies with Part 15 of the FCC rules. Operation is subject to the following two

conditions: (1) this device may not cause harmful interference, and (2) this device must accept any

interference received, including interference that may cause undesired operation.

NOTE:

This equipment has been tested and found to comply with the limits for a Class A digital

device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable

protection against harmful interference when the equipment is operated in a commercial environment.

This equipment uses, generates, and can radiate radio frequency energy and if not installed in

accordance with the operator’s manual, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause interference in which case the user

will be required to correct the interference at his own expense.

WARNING:

Changes or modiﬁcations made to this device which are not expressly approved by the

party responsible for compliance could void the user’s authority to operate the equipment.

VCCI Notice

This equipment is in the 1st Class Category (information equipment to be used in commercial and/or

industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference

by Information Technology Equipment (VCCI) aimed at preventing radio interference in commercial

and/or industrial areas.

Consequently, when used in a residential area or in an adjacent area thereto, radio interference may be

caused to radios and TV receivers, etc.

Read the instructions for correct handling.

iii

Notice

DOC Notice

This digital apparatus does not exceed the Class A limits for radio noise emissions from digital

apparatus set out in the Radio Interference Regulations of the Canadian Department of

Communications.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables

aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique

édicté par le ministère des Communications du Canada.

Notice

DECLARATION OF CONFORMITY

Application of Council Directive(s):

89/336/EEC

73/23/EEC

Manufacturer’s Name:

Cabletron Systems, Inc.

Manufacturer’s Address:

35 Industrial Way

PO Box 5005

Rochester, NH 03867

European Representative Name:

Mr. J. Solari

European Representative Address:

Cabletron Systems Limited

Nexus House, Newbury Business Park

London Road, Newbury

Berkshire RG13 2PZ, England

Conformance to Directive(s)/Product Standards:

EC Directive 89/336/EEC

EC Directive 73/23/EEC

EN 55022

EN 50082-1

EN 60950

Equipment Type/Environment:

Networking Equipment, for use in a

Commercial or Light

Industrial Environment.

We the undersigned, hereby declare, under our sole responsibility, that the equipment packaged with

this notice conforms to the above directives.

Manufacturer Legal Representative in Europe

Mr. Ronald Fotino Mr. J. Solari

____________________________________________________ ______________________________________________________

Full Name Full Name

Principal Compliance Engineer Managing Director - E.M.E.A.

____________________________________________________ ______________________________________________________

Title Title

Rochester, NH, USA Newbury, Berkshire, England

____________________________________________________ ______________________________________________________

Location Location

Contents

Chapter 1 Introduction

Features........................................................................................................................... 1-2

Related Manuals............................................................................................................ 1-6

Getting Help .................................................................................................................. 1-6

Chapter 2 Preparing and Installing the

9A426-01 Module

Unpacking the Module................................................................................................. 2-1

The Module’s Physical Layout.................................................................................... 2-2

User-Accessible Components on the Module’s Motherboard................................ 2-3

Installing an APIM in the 9A426-01 Module ..................................................... 2-4

User-Accessible Components on the Module’s Daughterboard............................ 2-9

DIP Switch............................................................................................................. 2-10

Removing the daughterboard from the motherboard.................................... 2-12

Installing the Module into the SmartSwitch 9000 Chassis.................................... 2-16

The Reset Switch ......................................................................................................... 2-18

Chapter 3 Operation

LAN Emulation ............................................................................................................. 3-3

System Management Buses ......................................................................................... 3-3

SMB-1 Bus ............................................................................................................... 3-3

SMB-10 Bus ............................................................................................................. 3-4

System Diagnostic Controller...................................................................................... 3-4

DC/DC Converter ........................................................................................................ 3-4

INB Network Interface Block ...................................................................................... 3-5

FDDI Network Interface Block.................................................................................... 3-5

ATM Network Interface Block .................................................................................... 3-5

SecureFast Virtual Networking................................................................................... 3-6

i960 Core......................................................................................................................... 3-6

Chapter 4 LANVIEW LEDs

Contents

Chapter 5 Speciﬁcations

Technical Speciﬁcations................................................................................................5-1

CPU ..........................................................................................................................5-1

Memory ...................................................................................................................5-1

Address Table Size .................................................................................................5-1

Power.......................................................................................................................5-1

Network Interfaces ................................................................................................5-1

Standards.................................................................................................................5-2

Safety...............................................................................................................................5-2

Service.............................................................................................................................5-2

Physical...........................................................................................................................5-3

Dimensions .............................................................................................................5-3

Weight......................................................................................................................5-3

Environment ...........................................................................................................5-3

1-1

Chapter 1

Introduction

The 9A426-01 ATM SmartSwitch Module is a hardware-based switching module

that supports multiple interfaces simultaneously. The module’s interconnecting

interfaces include:

• A front panel ATM interface via a user-installed ATM Port Interface Module

(APIM)

• A ﬁxed interface to the SmartSwitch 9000 Internal Network Bus (INB)

• A user-conﬁgurable interface to the SmartSwitch 9000 Flexible Network Bus

(FNB-1 or FNB-2).

Each data packet, regardless of the interface in which the packet enters the

module (ATM, FNB, or INB), is initially converted into a common format known

as a canonical frame. Each canonical frame’s header section contains source and

destination information. All canonical frames are forwarded to the module’s

group of SmartSwitch Application Speciﬁc Integrated Circuits (ASICs)

collectively known as the SmartSwitch Core.

The SmartSwitch Core can process data in two modes:

• Traditional Switch - When operating as a traditional switch, the Fast Packet

Switch makes ﬁltering/forwarding decisions based on Destination Address,

with standard IEEE 802.1d learning.

• Secure Fast Switch (SFS) - When operating in SFS mode, all ﬁltering/

forwarding decisions are based on a Destination Address-Source Address pair,

and the associated receive/transmit port.

Canonical frames that enter the 9A426-01 Module via the backplane interface

(FNB or INB) and are destined for the module’s front panel interface(s), are

converted by the module’s ATM Network Interface Block (ANIB) into 53 byte

ATM cells. The ANIB uses a separate set of ASICs to perform hardware-based

packet to cell conversions. This conversion process is an integral part of the

module’s ability to provide high-performance interconnections between legacy

LANs and ATM attached networks.

Introduction

1-2

Conversely, canonical frames destined for the FNB bus on the SmartSwitch 9000

backplane are converted into FDDI packets via the 9A426-01 Module’s FDDI

Network Interface Block (FNIB), and then forwarded onto the FNB.

Canonical frames destined for the INB bus on the SmartSwitch 9000 backplane are

converted into ﬁxed length data packets via the 9A426-01 Module’s INB Network

Interface Block (INB NIB), and then forwarded onto the INB.

Features

Processor

The 9A426-01 Module is equipped with an advanced Intel i960 microprocessor.

This microprocessor provides a platform for all management functions within a

scalable RISC-based architecture.

SmartSwitch Core

The 9A426-01 Module incorporates the SmartSwitch Core, a collection of custom

Application Speciﬁc Integrated Circuits (ASICs) designed speciﬁcally for high

speed switching. The SmartSwitch ASIC bus is 64 bits wide with a bandwidth of

640 Mbps. Since all frame translation, address lookups, and forwarding decisions

are performed in hardware, the 9A426-01 Module can obtain a throughput

performance of greater than 750K pps.

Management

The 9A426-01 Module has one full implementation of SMT (Version 7.3) and

SNMP for local and remote management. Local management is provided through

the RS-232 COM ports on the SmartSwitch 9000 Environmental Module using a

standard VT-220™ terminal or emulator, or via telnet. Remote management is

achieved through Cabletron’s SPECTRUM or any SNMP-compliant management

tool. Switching statistics of the selected FNB interface include frames ﬁltered,

frames forwarded, and all Spanning Tree Protocol parameters.

Connectivity

The 9A426-01 Module is designed to accept two standard Cabletron ATM Port

Interface Modules (APIMs). However, only one APIM can be active at one time (a

second APIM becomes active whenever the ﬁrst APIM becomes inactive). Thus,

the second APIM is not necessary, but can be installed if physical layer

redundancy is desired. This redundancy protects against loss of data due to cable

failure, ATM Switch failure or APIM failure. If two APIMs are installed in the

9A426-01 Module, the second APIM does not have to be the same as the ﬁrst

APIM. For example, you can place an APIM-21 (multimode ﬁber) in one APIM

port, and an APIM-29 (single mode ﬁber) in the module’s second APIM port.

Cabletron APIMs are designed to accept a variety of cable types including: single

mode ﬁber, multimode ﬁber, twisted-pair, and coaxial.

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