Cabletron Systems MMAC-Plus 9H423-26 Manuale utente

SmartSwitch 9000

9H423-26

User’s Guide

9032242-02

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: 9032242-02

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.

Ethernet

is a trademark of Xerox Corporation.

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 is a Class A product based on the standard of the Voluntary Control Council for Interference by

Information Technology Equipment (VCCI). If this equipment is used in a domestic environment,

radio disturbance may arise. When such trouble occurs, the user may be required to take corrective

actions.

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 Aprescrites dans le Règlement sur le brouillage radioélectrique

édicté par le ministère des Communications du Canada.

iii

Notice

DECLARATION OF CONFORMITY

ADDENDUM

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

Notice

Safety Information

CLASS 1 LASERTRANSCEIVERS

The 9H423-26 is a Class 1 Laser Product

The 9H423-26 uses a Class 1 Laser transceiver. Read the following safety

information before installing or operating these adapters.

The Class 1 laser transceivers use an optical feedback loop to maintain Class 1 operation

limits. This control loop eliminates the need for maintenance checks or adjustments. The

output is factory set, and does not allow any user adjustment. Class 1 Laser transceivers

comply with the following safety standards:

• 21 CFR 1040.10 and 1040.11 U.S. Department of Health and

Human Services (FDA).

• IEC Publication 825 (International Electrotechnical Commission).

• CENELEC EN 60825 (European Committee for Electrotechnical

Standardization).

When operating within their performance limitations, laser transceiver output meets the

Class 1 accessible emission limit of all three standards. Class 1 levels of laser radiation are not

considered hazardous.

Laser Radiation and Connectors

When the connector is in place, all laser radiation remains within the ﬁber. The maximum

amount of radiant power exiting the ﬁber (under normal conditions) is -12.6 dBm or 55 x 10

-6

watts.

Removing the optical connector from the transceiver allows laser radiation to emit directly

from the optical port. The maximum radiance from the optical port (under worst case

conditions) is 0.8 W cm

-2

or 8 x 10

W m

sr-1.

Do not use optical instruments to view the laser output. The use of optical instruments to

view laser output increases eye hazard. When viewing the output optical port, power must

be removed from the network adapter.

Contents

Chapter 1 Introduction

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

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

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

Chapter 2 Installing the 9H423-26 Module

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

User-Accessible Components......................................................................................2-1

Setting the Module DIP Switch...................................................................................2-2

Installing the Module in the SmartSwitch 9000 Chassis .........................................2-4

The Reset Switch ........................................................................................................... 2-6

Chapter 3 Operation

FENIB..............................................................................................................................3-2

SmartSwitch ASIC.........................................................................................................3-3

Traditional Switch..................................................................................................3-3

VLAN..............................................................................................................................3-3

VLAN Domains......................................................................................................3-4

Fully Meshed VLAN Domains ............................................................................ 3-5

SecureFast VLAN Switches.........................................................................................3-5

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

INB NIB ..........................................................................................................................3-6

System Management Buses .........................................................................................3-6

SMB-1 Bus...............................................................................................................3-6

SMB-10 Bus.............................................................................................................3-7

System Diagnostic Controller...................................................................................... 3-7

DC/DC Converter ........................................................................................................3-7

INB Interface..................................................................................................................3-7

ITDM Arbitration levels...................................................................................3-8

Monarch/Slave SmartSwitch 9000 Modules ................................................3-9

Chapter 4 LANVIEW LEDs

Contents

Chapter 5 Speciﬁcations

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

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

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

Standards.................................................................................................................5-1

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

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

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

Physical...........................................................................................................................5-2

Dimensions .............................................................................................................5-2

Weight......................................................................................................................5-2

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

Appendix A 9H423-26 Cabling Requirements

Overview.......................................................................................................................A-1

Fast Ethernet Standard Requirements.......................................................................A-2

100BASE-TX...........................................................................................................A-2

100BASE-FX...........................................................................................................A-7

Why is CAT 5 Cable Necessary for 100BASE-TX? ...........................................A-7

Why are CAT 5 Connectors Necessary for 100BASE-TX?.............................A-11

Fiber Optic Cabling.............................................................................................A-13

1-1

Chapter 1

Introduction

The 9H423-26 (Figure 1-1) is a switching module with twenty-six 100 Mbps

Ethernet ports. The module is conﬁgured with two RJ21 connectors (Category 5

rated), providing twenty-four ports, and two multimode ﬁber SC connectors.

Each module also provides an additional port that connects directly to the

Internal Network Bus (INB) backplane interface. This module uses a SmartSwitch

ASIC design and an advanced Intel i960

microprocessor. This microprocessor

provides a platform for all management functions within a scalable RISC-Based

Architecture.

This module can operate in two modes: either as a 26-port Ethernet traditional

switch (using 802.1d standards) with a high speed backbone connection, or as a

SecureFast switch (SFS) with 26 Ethernet connections. Each port can be

conﬁgured to operate in the full duplex mode. This conﬁguration allows each

100BASE-T port to provide a full 200 Mbps. The 100BASE-T ports can operate in

either half or full duplex mode. The ﬁber ports operate only in full duplex mode

and operate only at 100 Mbps.

The 9H423-26 module is speciﬁcally designed for use in the wiring closet. A

typical conﬁguration would have clients connected to the module (via the RJ21

connectors) and servers located in data centers connected via the 100 Mbps ﬁber

uplink.

Network management information is available through a variety of methods. All

information based on Simple Network Management Protocol (SNMP) is

accessible either via an in-band (Front Panel port), Side Band (SMB-10), or via the

Environmental Module’s COM ports. Serial Line Internet Protocol (SLIP) or

Point-to-Point Protocol (PPP) is supported by the Environmental Module’s COM

ports. For more information on the SMB-10, SLIP or PPP refer to the

SmartSwitch

9000 Local Management User’s Guide

The 9H423-26 also features front panel LANVIEW™ Diagnostic LEDs to offer at-

a-glance status information about each front panel port as well as the operation of

the overall module.

Introduction

1-2

Features

Processor

The 9H423-26 module is equipped with an advanced Intel i960 microprocessor.

This microprocessor provides a platform for all management functions such as

Spanning Tree, RMON, and MIB support, within a scalable RISC-Based

architecture.

Fast Packet Switching

The 9H423-26 module incorporates a hardware-based switch design referred to as

the SmartSwitch ASIC, a collection of custom ASICs designed speciﬁcally for

high-speed switching. Because all frame translation, address lookups, and

forwarding decisions are performed in hardware, these modules can obtain a

throughput performance of greater than 750K pps.

Management

The 9H423-26 features SNMP for local and remote management. Local

management is provided through the RS232 COM ports on the SmartSwitch 9000

Environmental Module, using a standard VT220

terminal or emulator. Remote

management is possible through Cabletron’s SPECTRUM or any SNMP-

compliant management tool. Included as management features are the IETF

Standard Management Information Base (MIBs) RMON (RFC 1271), IETF MIB II

(RFC 1213), IETF Bridge MIB (RFC 1493), and a host of other Cabletron enterprise

MIBs. These modules also offer a wide variety of statistical network management

information to enhance network planning and troubleshooting. The 9H423-26

provides information for each front panel Ethernet port, including packet counts

along with errored frame information such as collisions, CRCs, and Giants, via a

variety of industry standard and private MIBS. Industry standard IEEE 802.1d

bridging, including Spanning Tree Algorithm, is supported.

Connectivity

The 9H423-26 module has one interface to the INB and 26 front port connections.

The INB interface is a ﬁxed connection to INB-B that allows the module to

communicate with other SmartSwitch 9000 modules supporting various LAN

technologies including, Token Ring, FDDI, Ethernet, WAN, Fast Ethernet and

ATM. The module is conﬁgured with two RJ21 connectors and two SC ﬁber

connectors. The two RJ21 connectors provide twenty-four 10/100 Mbps Ethernet

ports. The two multimode SC connectors provide 100BASE-FL connections, with

links up to 2000 meters in length.

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