Enterasys Networks V2H124-24P User Manual

Matrix V-Series

V2H124-24P

Fast Ethernet Switch

Hardware Installation Guide

P/N 9033976-01

ELECTRICAL HAZARD: Only qualified personnel should
perform installation procedures.

Notice

ENTERASYS NETWORKS reserves the right to make changes in specifications and other
information contained in this document and its web site without prior notice. The reader should
in all cases consult ENTERASYS NETWORKS to determine whether any such changes have
been made.

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

IN NO EVENT SHALL ENTERASYS NETWORKS 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
DOCUMENT, WEB SITE, OR THE INFORMATION CONTAINED IN THEM, EVEN IF
ENTERASYS NETWORKS HAS BEEN ADVISED OF, KNEW OF, OR SHOULD HAVE
KNOWN OF, THE POSSIBILITY OF SUCH DAMAGES.

Enterasys Networks, Inc.
50 Minuteman Road
Andover, MA 01810

© 2004 Enterasys Networks, Inc. All rights reserved.
Printed in Taiwan

Release Date: September 2004

ENTERASYS NETWORKS, ENTERASYS MATRIX, LANVIEW, MATRIX,
NETSIGHT, WEBVIEW, and any logos associated therewith, are trademarks or registered

trademarks of Enterasys Networks, Inc. in the United States and other countries.
All other product names mentioned in this manual may be trademarks or registered trademarks

of their respective companies.

Matrix V-Series Documentation URL: http://www.enterasys.com/support/manuals

i

Notice

Regulatory Compliance Information

Federal Communications Commission (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.

Industry Canada 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.

AS/NZS CISPR 22

N826

ii

Notice

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.

Class A ITE Notice

WARNING: This is a class A product. In a domestic environment this product may cause
radio interference in which case the user may be required to take adequate measures.

BSMI EMC Statement — Taiwan

This is a class A product. In a domestic environment this product may cause radio interference
in which case the user may be required to take adequate measures.

ENVIRONMENTAL REQUIREMENTS

Operating Temperature: 0°C to 50°C (32°F to 122°F)

Storage Temperature: -40°C to 70°C (-40°F to 158°F)

Operating Relative Humidity: 5% to 95% (non-condensing)

PRODUCT SAFETY

This product complies with the following: UL 60950, CSA C22.2 No. 60950, 73/23/EEC,
EN 60950, IEC 60950, EN 60825, 21 CFR 1040.10.

ELECTROMAGNETIC COMPATIBILITY (EMC)

This product complies with the following: 47 CFR Parts 2 and 15, CSA C108.8, 89/336/EEC,
EN 55022, EN 61000-3-2, EN 61000-3-3, EN 55024, AS/NZS CISPR 22, VCCI V-3.

iii

Notice

Safety Compliance

Warning: Fiber Optic Port Safety

CLASS I

LASER DEVICE

When using a fiber optic media expansion module, never look at the
transmit laser while it is powered on. Also, never look directly at the fiber
TX port and fiber cable ends when they are powered on.

Avertissment: Ports pour fibres optiques - sécurité sur le plan optique

DISPOSITIF LASER

DE CLASSE I

Ne regardez jamais le laser tant qu’il est sous tension. Ne regardez jamais
directement le port TX (Transmission) à fibres optiques et les embouts de
câbles à fibres optiques tant qu'ils sont sous tension.

Warnhinweis: Faseroptikanschlüsse - Optische Sicherheit

LASERGER
DER KLASSE I

Niemals ein Übertragungslaser betrachten, während dieses eingeschaltet

ÄT

ist. Niemals direkt auf den Faser-TX-Anschluß und auf die
Faserkabelenden schauen, während diese eingeschaltet sind.

Safety Information

Class 1 Laser Transceivers

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

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.

-2

or 8 x 103 W m2 sr-1.

iv

Notice

Please read the following safety information carefully before installing the
switch:

WARNING: Installation and removal of the unit must be carried out by qualified personnel only.

• The unit must be connected to an earthed (grounded) outlet to comply with international
safety standards.

• Do not connect the unit to an A.C. outlet (power supply) without an earth (ground)
connection.

• The appliance coupler (the connector to the unit and not the wall plug) must have a
configuration for mating with an EN 60320/IEC 320 appliance inlet.

• The socket outlet must be near to the unit and easily accessible. You can only remove power
from the unit by disconnecting the power cord from the outlet.

• This unit operates under SELV (Safety Extra Low Voltage) conditions according to
IEC 60950. The conditions are only maintained if the equipment to which it is connected also
operates under SELV conditions.

France and Peru only

This unit cannot be powered from IT
powered by 230 V (2P+T) via an isolation transformer ratio 1:1, with the secondary connection point
labelled Neutral, connected directly to earth (ground).

†

Impédance à la terre

Power Cord Set

U.S.A. and Canada The cord set must be UL-approved and CSA certified.

The minimum specifications for the flexible cord are:

- No. 18 AWG - not longer than 2 meters, or 16 AWG.

- Type SV or SJ

- 3-conductor

The cord set must have a rated current capacity of at least 10 A.

The attachment plug must be an earth-grounding type with NEMA 5-15P
(15 A, 125 V) or NEMA 6-15P (15 A, 250 V) configuration.

Denmark The supply plug must comply with Section 107-2-D1, Standard DK2-1a

Switzerland The supply plug must comply with SEV/ASE 1011.

U.K. The supply plug must comply with BS1363 (3-pin 13 A) and be fitted with

or DK2-5a.

a 5 A fuse which complies with BS1362.

The mains cord must be <HAR> or <BASEC> marked and be of type
HO3VVF3GO.75 (minimum).

†

supplies. If your supplies are of IT type, this unit must be

v

Notice

Power Cord Set

Europe The supply plug must comply with CEE7/7 (“SCHUKO”).

The mains cord must be <HAR> or <BASEC> marked and be of type
HO3VVF3GO.75 (minimum).

IEC-320 receptacle.

Veuillez lire à fond l'information de la sécurité suivante avant d'installer le
Switch:

AVERTISSEMENT: L’installation et la dépose de ce groupe doivent être confiés à un personnel

qualifié.

• Ne branchez pas votre appareil sur une prise secteur (alimentation électrique) lorsqu'il n'y a pas de
connexion de mise à la terre (mise à la masse).

• Vous devez raccorder ce groupe à une sortie mise à la terre (mise à la masse) afin de respecter les
normes internationales de sécurité.

• Le coupleur d’appareil (le connecteur du groupe et non pas la prise murale) doit respecter une
configuration qui permet un branchement sur une entrée d’appareil EN 60320/IEC 320.

• La prise secteur doit se trouver à proximité de l’appareil et son accès doit être facile. Vous ne
pouvez mettre l’appareil hors circuit qu’en débranchant son cordon électrique au niveau de cette
prise.

• L’appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à la norme IEC

60950. Ces conditions ne sont maintenues que si l’équipement auquel il est raccordé fonctionne
dans les mêmes conditions.

France et Pérou uniquement:

Ce groupe ne peut pas être alimenté par un dispositif à impédance à la terre. Si vos alimentations sont
du type impédance à la terre, ce groupe doit être alimenté par une tension de 230 V (2 P+T) par le
biais d’un transformateur d’isolement à rapport 1:1, avec un point secondaire de connexion portant
l’appellation Neutre et avec raccordement direct à la terre (masse).

Cordon électrique - Il doit être agréé dans le pays d’utilisation

Etats-Unis et Canada:

vi

Le cordon doit avoir reçu l’homologation des UL et un certificat de la
CSA.

Les spe'cifications minimales pour un cable flexible sont AWG No. 18,
ouAWG No. 16 pour un cable de longueur infe'rieure a` 2 me'tres.

- type SV ou SJ

- 3 conducteurs

Le cordon doit être en mesure d’acheminer un courant nominal d’au
moins 10 A.

La prise femelle de branchement doit être du type à mise à la terre (mise
à la masse) et respecter la configuration NEMA 5-15P (15 A, 125 V) ou
NEMA 6-15P (15 A, 250 V).

Notice

Cordon électrique - Il doit être agréé dans le pays d’utilisation

Danemark: La prise mâle d’alimentation doit respecter la section 107-2 D1 de la

Suisse: La prise mâle d’alimentation doit respecter la norme SEV/ASE 1011.

Europe La prise secteur doit être conforme aux normes CEE 7/7 (“SCHUKO”)

norme DK2 1a ou DK2 5a.

LE cordon secteur doit porter la mention <HAR> ou <BASEC> et doit
être de type HO3VVF3GO.75 (minimum).

Bitte unbedingt vor dem Einbauen des Switches die folgenden Sicherheitsan­weisungen durchlesen:

WARNUNG: Die Installation und der Ausbau des Geräts darf nur durch Fachpersonal erfolgen.

• Das Gerät sollte nicht an eine ungeerdete Wechselstromsteckdose angeschlossen werden.

• Das Gerät muß an eine geerdete Steckdose angeschlossen werden, welche die internationalen
Sicherheitsnormen erfüllt.

• Der Gerätestecker (der Anschluß an das Gerät, nicht der Wandsteckdosenstecker) muß einen
gemäß EN 60320/IEC 320 konfigurierten Geräteeingang haben.

• Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein. Die Stromversorgung
des Geräts kann nur durch Herausziehen des Gerätenetzkabels aus der Netzsteckdose unterbrochen
werden.

• Der Betrieb dieses Geräts erfolgt unter den SELV-Bedingungen (Sicherheitskleinstspannung)

gemäß IEC 60950. Diese Bedingungen sind nur gegeben, wenn auch die an das Gerät
angeschlossenen Geräte unter SELV-Bedingungen betrieben werden.

•

Stromkabel. Dies muss von dem Land, in dem es benutzt wird geprüft werden:

Schweiz Dieser Stromstecker muß die SEV/ASE 1011Bestimmungen einhalten.

Europe Das Netzkabel muß vom Typ HO3VVF3GO.75 (Mindestanforderung)

sein und die Aufschrift <HAR> oder <BASEC> tragen.

Der Netzstecker muß die Norm CEE 7/7 erfüllen (”SCHUKO”).

vii

Notice

Declaration of Conformity

Application of Council Directive(s): 89/336/EEC

73/23/EEC

Manufacturer’s Name: Enterasys Networks, Inc.

Manufacturer’s Address: 50 Minuteman Road

Andover, MA 01810
USA

European Representative Address: ENTERASYS NETWORKS, Ltd.

Nexus House, Newbury Business Park
London Road, Newbury
Berkshire RG14 2PZ, England

Conformance to Directive(s)/Product Standards: EC Directive 89/336/EEC

EN 55022
EN 55024
EC Directive 73/23/EEC
EN 60950
EN 60825

Equipment Type/Environment: Networking Equipment, for use in

a Commercial or Light Industrial
Environment.

viii

Enterasys Networks, Inc. declares that the equipment packaged

with this notice conforms to the above directives.

Notice

Enterasys Networks, Inc.

Firmware License Aggreement

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ix

Notice

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x

Notice

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xi

Notice

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xii

Contents

Chapter 1: Introduction 1-1

Overview 1-1

Switch Architecture 1-1
Power-over-Ethernet Capability 1-2
Network Management Options 1-2

Description of Hardware 1-3

10/100BASE-T Ports 1-3
1000BASE-T/SFP Ports 1-3
Port and System Status LEDs 1-3
Stack Master Button 1-6
Mode PoE/Link Button 1-6
Optional Stacking Transceiver 1-7
Power Supply Receptacle 1-7

Features and Benefits 1-8

Connectivity 1-8
Performance 1-8
Management 1-8

Chapter 2: Network Planning 2-1

Introduction to Switching 2-1
Application Examples 2-2

Collapsed Backbone 2-2
Network Aggregation Plan 2-3
Remote Connections with Fiber Cable 2-4
Making VLAN Connections 2-5

Application Notes 2-6

Chapter 3: Installing the Switch 3-1

Selecting a Site 3-1
Ethernet Cabling 3-1
Equipment Checklist 3-2

Package Contents 3-2

Getting Help 3-2

Optional Rack-Mounting Equipment 3-3

Mounting 3-3

Rack Mounting 3-3

Desktop or Shelf Mounting 3-4
Installing an SFP Transceiver 3-5
Stacking Switches 3-6

xiii

Contents

Installing a Stacking Transceiver 3-6

Connecting Switches in a Stack 3-7
Connecting to a Power Source 3-8
Connecting to the Console Port 3-8

Wiring Map for Serial Cable 3-9

Chapter 4: Making Network Connections 4-1

Connecting Network Devices 4-1
Twisted-Pair Devices 4-1

Power-over-Ethernet Connections 4-1

Cabling Guidelines 4-2

Connecting to PCs, Servers, Hubs and Switches 4-2

Network Wiring Connections 4-3

Fiber Optic Devices 4-4
Connectivity Rules 4-5

1000BASE-T Cable Requirements 4-5

1000 Mbps Gigabit Ethernet Collision Domain 4-5

100 Mbps Fast Ethernet Collision Domain 4-6

10 Mbps Ethernet Collision Domain 4-6
Cable Labeling and Connection Records 4-6

Appendix A: Troubleshooting A-1

Diagnosing Switch Indicators A-1
Power and Cooling Problems A-1
Installation A-2
In-Band Access A-2
Stack Troubleshooting A-2

Appendix B: Cables B-1

Twisted-Pair Cable and Pin Assignments B-1

10/100BASE-TX Pin Assignments B-1

Straight-Through Wiring B-2

Crossover Wiring B-2

1000BASE-T Pin Assignments B-3
Fiber Standards B-4

Appendix C: Specifications C-1

Switch Features C-2
Management Features C-2
Standards C-3
Compliances C-3

xiv

Glossary

Index

Contents

xv

Tables

Table 1-1. Port Status LEDs 1-4
Table 1-2. System Status LEDs 1-5
Table 3-1. Serial Cable Wiring 3-9
Table 4-1. Maximum 1000BASE-T Gigabit Ethernet Cable Length 4-5
Table 4-2. Maximum 1000BASE-SX Gigabit Ethernet Cable Lengths 4-5
Table 4-3. Maximum 1000BASE-LX Gigabit Ethernet Cable Length 4-5
Table 4-4. Maximum 1000BASE-LH Gigabit Ethernet Cable Length 4-6
Table 4-5. Maximum Fast Ethernet Cable Lengths 4-6
Table 4-6. Maximum Ethernet Cable Length 4-6
Table A-1. Troubleshooting Chart A-1
Table B-1. 10/100BASE-TX MDI and MDI-X Port Pinouts B-2
Table B-2. 1000BASE-T MDI and MDI-X Port Pinouts B-3

xvi

Figures

Figure 1-1. Front and Rear Panels 1-1
Figure 1-2. Port LEDs 1-3
Figure 1-3. System LEDs 1-4
Figure 1-4. Stack Master Button 1-6
Figure 1-5. Mode Selection 1-6
Figure 1-6. Optional Stacking Transceiver 1-7
Figure 1-7. Power Supply Receptacle 1-7
Figure 2-1. Collapsed Backbone 2-2
Figure 2-2. Network Aggregation Plan 2-3
Figure 2-3. Remote Connections with Fiber Cable 2-4
Figure 2-4. Making VLAN Connections 2-5
Figure 3-1. RJ-45 Connections 3-2
Figure 3-2. Attaching the Brackets 3-3
Figure 3-3. Installing the Switch in a Rack 3-4
Figure 3-4. Attaching the Adhesive Feet 3-4
Figure 3-5. Installing an SFP Transceiver 3-5
Figure 3-6. Installing a Stacking Transceiver 3-6
Figure 3-7. Connecting Switches in a Stack 3-7
Figure 3-8. Power Receptacle 3-8
Figure 3-9. Serial Port (DB-9 DTE) Pin-Out 3-8
Figure 4-1. Making Twisted-Pair Connections 4-2
Figure 4-2. Network Wiring Connections 4-3
Figure 4-3. Making Fiber Port Connections 4-4
Figure B-1. RJ-45 Connector Pin Numbers B-1
Figure B-2. Straight-through Wiring B-2
Figure B-3. Crossover Wiring B-3

xvii

Figures

xviii

Chapter 1: Introduction

Overview

The Matrix V-Series V2H124-24P switch contains 24 10BASE-T/100BASE-TX
RJ-45 ports and two combination ports—10/100/1000BASE-T ports that operate in
combination with Small Form Factor Pluggable (SFP) transceiver slots. An optional
SFP stacking transceiver is available for connecting up to eight units to a 1 Gbps
stack backplane.

All the 10BASE-T/100BASE-TX ports on this switch support IEEE 802.3af draft
standard (802.3af) Power-over-Ethernet capabilities. Each port can detect
connected 802.3af-compliant network devices, such as IP phones or wireless
access points, and automatically supply the required DC power.

As well as its Power-over-Ethernet capabilities, the switch provides comprehensive
network management features, such as Spanning Tree Protocol, multicast
switching, virtual LANs, and Layer 2/3/4 CoS services that provide reliability and
consistent performance for your network traffic.

Combination RJ-45/SFP Ports

18 19

20

17

21 222324

Status Indicators (25, 26)

23

25

24

Combination Port

System Indicators

Link/Act

PWR

26

PoE

Diag

25

26

Stacking

PoE/Link

Mode PoE/Link Button

V2H124-24P

Mode

Slave

Master

Stack Master Button

Console

Console Port

100-240V~ 50-60Hz 7.5A

1234567

1

2

Port Status Indicators (1-24)

89

10

131415 16

11 12

11

121314

10/100 Mbps RJ-45 Ports

Power Socket

Figure 1-1. Front and Rear Panels

Switch Architecture

The Matrix V-Series V2H124-24P switch employs a wire-speed, non-blocking
switching fabric. This permits simultaneous wire-speed transport of multiple packets
at low latency on all ports. The switch also features full-duplex capability on all ports,
which effectively doubles the bandwidth of each connection.

The switch uses store-and-forward switching to ensure maximum data integrity. With
store-and-forward switching, the entire packet must be received into a buffer and
checked for validity before being forwarded. This prevents errors from being
propagated throughout the network.

1-1