Enterasys Networks VH-4802 инструкция обслуживания

9033630 V ERTICAL HORIZON VH-4802 F AST ETHERNET SWITCH USER GUIDE ELS100-48tx2m.book Page -i Thursday, November 16, 2000 4:59 PM[...]

ELS100-48tx2m.book Page 0 Thursday, November 16, 2000 4:59 PM[...]

Notice 9033630 i NOTICE Enterasys Networks reserves the right to make changes in speci fications and other information contained in this document without prior notice. T he reader should in all cases consult Enterasys Networks to determine whether any such changes hav e been made. The hardware, firmware, or software described in this manual is subj[...]

Notice ii 9033630 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 int erference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NO TE: This equipment has been tested and fo[...]

Notice 9033630 iii • 21 CFR 1040.10 and 1040.11 U.S. Department of Health and Human Services (FD A). • IEC Publication 825 (International Electr otechnical Commission). • CENELEC EN 60825 (E uropean Committee for E lectrotechnical Standardization). • When operating within their performance limitations, laser transceiver output meets the Cla[...]

Notice iv 9033630 SAFETY INFORMATION WICHTIGE SICHERHEITSHINWEISE (GERMANY) 1. Bitte lesen Sie diese Hinwe ise sorgf ä ltig durch. 2. Heben Sie diese Anleitung f ü r den sp ä teren Gebrauch auf. 3. V or jedem Reinigen ist das Ger ä t vom Stromnetz zu trennen. V erwenden Sie keine Fl ü ssigoder Aerosolreiniger . Am besten eignet sich ein angefe[...]

Notice 9033630 v ENTERASYS NETWORKS, INC . PROGRAM LICENSE AGREEMENT BEFORE OPENING OR UTILIZING THE ENCLOSED PRODUCT , CAREFULL Y READ THIS LICENSE A GREEMENT . This document is an agreement ( “ Agreement ” ) between Y ou, the end user , and Enterasys Networks, Inc. ( “ Enterasys ” ) that sets forth your rights and obligations with respect[...]

Notice vi 9033630 5. UNITED ST A TES GOVERNMENT RESTRICTED RIGHTS . The enclosed Product (i) was dev eloped solely at private e xpense; (ii) contains “ restricted computer software ” submitted with restricted rights in accordance with section 52.227-19 (a ) through (d) of the Commercial Computer Software-Restricted Rights Clause and its success[...]

Notice 9033630 vii DECLARATION OF CONFORMITY Application of Council Directi ve(s): 89/336/EEC 73/23/EEC Manufacturer ’ s Name: Enterasys N etworks, Inc. Manufacturer ’ s Ad dress: 35 Industrial Way PO Box 5005 Rochester, NH 03867 European Representati ve Name: Mr. J. S ims European Representati ve Address: Enterasys Networks Limited Nexus House[...]

Notice viii 9033630 ELS100-48tx2m.book Page vi ii Thursday, November 16, 2000 4:5 9 PM[...]

9033630 Table of Contents ix TABLE OF CONTENTS PREFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XI Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xi Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

x Table of Contents VH-4802 Remote Management via the Console Port . . . . . . . . . . . . . . . . . 22 In-Band Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Powering the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Network Cable Requirements . . . . . . . . . . . . . .[...]

9033630 Preface xi PREFACE Purpose This guide provides information about the features and applications of the Enterasys Networks Vertical Horizon VH-4802 switch system. Audience This guide is intended for Ethernet Loca l Area Network (LAN) administrators and Ma nagement Information Systems (MIS) personne l with the following backg round: • Workin[...]

xii Preface VH-4802 Other Conventions This guide uses the following typographical conventions: • Initial Caps Menu titles and console menu selections. • [Enter] Used to designate the Enter or Return key. • courier font Screen messages and user prompts. • Selection Describes a user-c onfigurabl e user interface it em. • Field Describes a r[...]

9033630 Product Overview 1 1. PRODUCT OVERVIEW This chapter provides the following information: • Product Description • Features • Front and Rear Panel Component Descriptions • Feature Summaries • Application Example Description This installation guide describ es Enterasys Networks’ Vertical Horizon VH-4802 Fast Ethernet switch. The sw [...]

2 Product Overview VH-4802 The VH-4802 switch is desktop or rack-mountable. LEDs on the front panel provide information about the operatin g status of the switch. The rear panel contains the power connector, redundant po wer connector, serial console port, and two slots for the optional modules. The side panel includes two fans that maintain ventil[...]

9033630 Product Overview 3 • Network Management: - SNMP compliant agent: MIB II (RFC 1213); Bridge MIB (RFC 1493); Ethernet-like MIB (RFC 1643); RMON - Statistics, History, Alarm and Event groups (RFC 1757); Interface Evolution MIB (RFC 1573); Q-MIB (IEEE 802.1Q); private MIB extensions - Access via in-band, Internet browser, or Telnet - Console [...]

4 Product Overview VH-4802 Front Panel Figure 1-1 shows the front panel of the Enterasys Networks Vertical Horizon VH-4802. Table 1-1 defi nes the VH-4802 fron t panel components. Figure 1-1. VH-4802 Front Panel Table 1-1. Front Panel Componen ts Name Function Power LED Lights steady green to indicate power is supplied to the switch. Off indicates [...]

9033630 Product Overview 5 Optional Modules Figure 1-2 shows the optional modules ava ilable for the Enterasys Networks Vertical Horizon VH-4802. Table 1-2 defines the optional module components. Figure 1-2 . Optional Mo dules Table 1-2. Optional Modu le Components Module Comp onents 100Base-FX (MMF) Ports: Two multi-mode fiber ports using SC conne[...]

6 Product Overview VH-4802 Rear Panel Figure 1-3 shows the VH-4802 re ar panel and Table 1-3 defines the rear panel components. Figure 1-3. VH-4802 Rear Panel Table 1-3. Rear Panel Components Name Function Power Connector Provides AC power to the sw itch. Redundant Power Connector This connector is provided for the option of adding a n additional D[...]

9033630 Product Overview 7 Feature Summaries The following summaries describe VH-4802 features in areas such as standards compliance , functionality, performance, and options. IEEE 802.1D Bridge The VH-4802 switch is fully compliant with IEEE 802.1D transparent bridging specifications. An a ddress table is provided for learning, filte ring, and for[...]

8 Product Overview VH-4802 Software Download The VH-4802 switch sup ports the industry-standard Trivial File Transfer Protocol (TFTP) for downloading software to the switch. All switch software is stored in a 2 MB sectored flash ROM. The download feature allows you to easily install software upgrades to the unit. Software can alternatively be downl[...]

9033630 Product Overview 9 • SNMP-based network man ager, in-band The system can also be managed using SNMP, the most common protocol used today for network manageme nt. Standard agent MIBs embedded in the swi tch provide basic SNMP management through industry-standard SNMP applications. Management security protection is provided based on SNMP co[...]

10 Product Ove rview VH-4802 Auto-nego tiation Auto-negotiation is a process that permits the switch to automatically select the opera tional modes of its 10/100 RJ-45 ports. Upon first being connected, the switch detects the speed of the network the port is connected to, either 10Mbps or 100Mbps, and the type of communi cation setting, half or ful[...]

9033630 Product Overview 11 Flow Control Flow control allows you to manage network traffic during con gestion periods and to prevent the loss of packets when port buffer thresholds are exceeded. Flow control also serves to deny access to addition al traffic that could add to a congestion condition. The VH -4802 switch supports flow control per the [...]

12 Product Ove rview VH-4802 Factory Defaults Table 1-4 lists the default setti ngs for switch configuration parameters. Each parameter can be changed via the console menus or Tel net. Table 1-4. Factory D efault Settings Parameter Default Value Multicast Filtering GMRP Disabled IGMP Multicast Filtering Disabled Port Configuration Flow Control Disa[...]

9033630 Product Overview 13 Virtual LANs Acceptable VLAN Frame Type All Configurable PVID Tagging Yes GVRP Disabled Untagged VLAN Group Assignment 1 VLAN Ingress Filtering False VLAN Learning SVL Parameter Default Value ELS100-48tx2m.book Page 13 Thursday, November 16, 2000 4:5 9 PM[...]

14 Product Ove rview VH-4802 Application Examples The exploding populari ty of the Internet and of corporate intranets, as well as new, high-bandwidth d esktop applications, are driving the demand for Fast Ethernet. The increase in multimedia traffic and the need to support legacy protocols alongside new , data intensive applications is d riving th[...]

9033630 Product Overview 15 Client/Server Net work Applicatio n To improve wo rkstation performa nce in a client/s erver environmen t, the VH-4802 switch can be configured to provide 200 Mbps full duplex Fast Ethernet connections to servers by connecti ng each to a dedicated switch port (Figure 1-4). Users can be accommo dated through connections t[...]

16 Product Ove rview VH-4802 Local Backbone Application The VH-4802 switch can be used in a local backbone application, connecting network segments togethe r and providing file-server access (Figure 1-5). Workgroup hubs are provide d with a single connection to the switch while servers are put on dedica ted 100 Mbps ports. Ro uters and other networ[...]

9033630 Installation 17 2. INSTALLATION Inspecting Your Shipment When you receive the shipment of your switch, check the package contents and make sure you have the following items: • VH-4802 switch • Mounting ears and mounting screws • Four rubber feet • ESD wrist strap • Power cord • RS-232 null-modem cable • Product documentation S[...]

18 Installat ion VH-4802 • Environmenta l Install the VH-4802 switch in a dry area , with adequate air circulation. Avoid placing the switch in direct sunligh t or near other heat sources, such as hot-air vents. For temperature and humidity specifications, see Appendix A, “Technical Specifications.” • Ventilation Do not restrict airflow by [...]

9033630 Installation 19 Mounting the Swi tch in a Rack The switch ships with two (2) multi-position moun ting ears and four (4) mounting screws. Figure 2-1 shows the orientation of the mounting ears for attaching the ears to the switch for a rack mount appli cation. Mount the switch with the front panel facing forw ard. Do the following: 1. Mount o[...]

20 Installat ion VH-4802 Installing an Optional Module into the Switch Optional modules a re available for media expansion. These modu les can be installed into eith er of the two modular slots on the rear panel of the switch. To install an optional module into the switch, do the following: 1. Disconnect power to the switch. 2. Remove the blank met[...]

9033630 Installation 21 Connecting a Terminal to the Console Port The console port is a serial RS-232 interface po rt that enables a connection to a termin al for performing switch mo nitoring and configuration functions. The terminal may be a PC or workstation running terminal emulati on software, or a termin al configured as a Data T erminal Equi[...]

22 Installat ion VH-4802 3. Connect the other end of the interface cable to a terminal (in some instances, an adapter may be required to make this connecti on). 4. From your terminal, start the terminal emul ation program. 5. Configure the terminal to th e following communication settings: VT100 emulation, 19200 baud, no pa rity, 8 data bits, 1 sto[...]

9033630 Installation 23 Powering the Switch To supply power to the switch, co nnect the power cord to the switch an d to a grounded three-prong wall o utlet (Figure 2-4). See Appendix A, “Technical Specifications” on page 27 for mo re information regarding specific international power cord requirements. Figure 2-4. Connecting the Power Cord The[...]

24 Installat ion VH-4802 Network Cable Requirements Copper Figure 2-1 specifies the cable types and length constraints for the va rious copper interfaces on the VH-4802. Table 2-1. Copper Cable Specifica tions Fiber Figure 2-2 specifies the fiber types, bandwidth requirements, and length constraints for the Fast Ethernet fiber interface on the fibe[...]

9033630 Installation 25 Figure 2-4 specifies the fiber types, bandwidth requirements, and length constraints for the Gigabit Ethernet long-wavelen gth fiber interface on the fiber optic media module. Table 2-4. 1000B ase-LX Fiber Specific ations 10Base-T/100Base-TX Ports The 10Base-T/100Base-TX ports use RJ-4 5 connectors. Figure 2-5 shows an RJ-45[...]

26 Installat ion VH-4802 100Base-FX/1000Base-SX/LX Fiber Ports The 100Base-FX and 1000 Base-SX/LX fiber ports use SC connectors. Figure 2-6 shows an SC fiber connecto r being inserte d into a fiber port on the VH-4802. Figure 2-6. Inserting an SC Fiber Conn ector into a Fiber Port The fiber upli nk modules employed (Table 2-5) support multi-mo de 6[...]

9033630 Technical Specifications 27 APPENDIX A. TECHNICAL SPECIFICATIONS General Standards Compliance IEEE 802.1D Transparent Bridging Specifications (ISO/IEC 10038) IEEE 802.1p Traffic Class Expediting and Dynamic Multica st Filtering IEEE 802.1Q Virtual Bridged Local Area Networks IEEE 802.2 Local Area Networks, Logical Link Control (LLC) IEEE 80[...]

28 Technical Specifi cations VH-4802 Electrical Specifications Input voltage: 100-240 VAC Input frequency: 50-60 Hz Maximum power consumption: 90 VA Physical Specifications Height: 3.3 in. (8.4 cm) Length: 13.8 in. (35 cm) Width: 17.3 in. (44 cm mountable in a standard 19 in. rack) Weight: 10.63 lb. (4.82 kg) ELS100-48tx2m.book Page 28 Thursday, No[...]

9033630 Technical Specifications 29 Port Specifications Console Port Table A-1 shows the console port pin assignments. Table A-1. RS-232 Console Port Pin Assignments 10Base-T and 100Base -TX Ports Table A-2 shows the 10Base-T/100Base-TX pi nouts. These ports are wired MDI-X. All undefined pins are not used. Table A-2. 10Base-T/100Base-T X Pinouts P[...]

30 Technical Specifi cations VH-4802 MDI/MDI-X Crossover Cable Wiring Figure A-1 shows the wiring scheme for implementi ng a crossover cable if needed for connection to the switch’s 10Base-T or 100Base -TX ports. Such a cable may be required when connecting the switch to another switch or a hub devi ce. Figure A-1. External Crossover Cable Wiring[...]

9033630 Technical Specifications 31 Country-Spec ific Requireme nts Table A-3 lists the po wer cord set requirements by cou ntry and identifies the accredited agency within that country. Table A-3. Power Cord Set Requirements by Coun try Note 1 Flexible cord must b e <HAR> Type HO5VV-F or HO3VV-F, 3-conductor, 1.0 mm 2 , or 0.75 mm 2 conducto[...]

32 Technical Specifi cations VH-4802 Note 2 Flexible cord must be Type SV, SJ, SPT or equivalent, No. 18 AWG, 3-conductor. Wall plug must be a two-po le grounding type with a NEMA 5-15P (15A, 125V) or NEMA 6-15P (15A 250V) configuration. Note 3 Appliance coupler, flexible cord, and wall plug must bear a “T” mark and registration number in accor[...]

9033630 Flow Control 33 APPENDIX B. FLOW CONTROL Flow control is a mechanism which allows you to protect the switch from overload conditions an d to keep additional traffic off the netw ork when excessive congestion will result. Figure B-1 illustrates fl ow control for both half- and full-duplex application s. Figure B-1. Flow Control for Half- an [...]

34 Flow Control VH-4802 ELS100-48tx2m.book Page 34 Thursday, November 16, 2000 4:5 9 PM[...]

9033630 Acronyms & Abbreviations 35 APPENDIX C. ACRONYMS & ABBREVIATIONS Term Definition 10Base-T 10 Mbps twisted-pair Ethernet 100Base-TX 100 Mbps twisted-pair Fast Ethernet 100Base-FX 100 Mbps fiber option Fast Etherne t 1000Base-SX 1000 Mbps fiber option short-wavelength Gigabit Ethernet 1000Base-LX 1000 Mbps fiber option long-wavelength[...]

36 Acronyms & Abbreviations VH-4802 SNMP Simple Network Management Protocol TCP/IP Transmission Control Protocol/Internet Protocol TFTP Trivial File Transfer Protocol TXD Transmit Data UTP Unshielded Twisted Pair VLAN Virtual LAN Term Definition ELS100-48tx2m.book Page 36 Thursday, November 16, 2000 4:5 9 PM[...]

9033630 Index 1 INDEX 1000Base-LX cables, 25 module defined, 5 1000Base-SX cables, 24 module defined, 5 100Base-FX modules defined, 5 10Base-T/100Base-TX ports, 25 802.1D, 7 802.1p, 11 802.1Q, 3, 11 802.3, 25 802.3x, 11 A activity LEDs, 4 application examples, 14 architecture of switch, 2 auto-negotiation, 2, 10 B back-pressure flow control, 33 Boo[...]

2 Index VH-4802 I IEEE 802.1D, 7 IEEE 802.1p, 11 IEEE 802.1Q, 3, 11 IEEE 802.3, 25 IEEE 802.3x, 11, 33 in-band configuration, 8 in-band connection, 22 indicators, LED, 3 inspecting your shipment, 17 installation in a rack, 19 of optional modules, 20 on table or shelf, 18 requirements, 17 L laser safety, iii LED indicators, 3, 4, 10 Link LEDs define[...]

9033520 Index 3 serial port connecting to, 21 out-of-band management, 8 pin assignments, 29 short-wavelength fiber inte rface, 24 single-mode fiber, 24, 26 site requirements, 17 slots for modules, 6 SNMP-based network manager, 9 software features, 3 software tests, 23 Spanning Tree Protocol, 7 standards compliance, IEEE, 27 Status LEDs, module, 4 s[...]

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