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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  4:59 PM

Содержание VH-4802

Страница 1: ...9033630 VERTICAL HORIZON VH 4802 FAST ETHERNET SWITCH USER GUIDE...

Страница 2: ......

Страница 3: ...TION CONTAINED IN IT EVEN IF ENTERASYS NETWORKS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES 2000 by Enterasys Networks Inc P O Box 5005 Rochester NH 03866 5005 All R...

Страница 4: ...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...

Страница 5: ...maximum radiance from the optical port under worst case conditions is 0 8 W cm 2 or 8 x 103 W m2 sr 1 Do not use optical instruments to view the laser output The use of optical instruments to view las...

Страница 6: ...ngeren Zeitraum nicht benutzt sollten Sie es vom Stromnetz trennen Somit wird im Falle einer berspannung eine Besch digung vermieden 12 Durch die L ftungs ffnungen d rfen niemals Gegenst nde oder Fl...

Страница 7: ...of Commerce which prohibit export or diversion of certain technical products to certain countries unless a license to export the product is obtained from the U S Government or an exception from obtai...

Страница 8: ...its documentation and media ENTERASYS DISCLAIMS ALL WARRANTIES OTHER THAN THOSE SUPPLIED TO YOU BY ENTERASYS IN WRITING EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF ME...

Страница 9: ...0082 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 equipme...

Страница 10: ...Notice viii 9033630...

Страница 11: ...rameter Storage 8 Configuration and Management Interfaces 8 RMON 9 Port Mirroring 9 Auto negotiation 10 BootP 10 LEDs 10 Full Duplex Mode 10 Flow Control 11 Virtual LANs VLANs 11 Class of Service 11 P...

Страница 12: ...NICAL SPECIFICATIONS 27 General 27 Standards Compliance 27 Regulatory Compliance 27 Data Rate 27 Environmental Specifications 27 Electrical Specifications 28 Physical Specifications 28 Port Specificat...

Страница 13: ...trol Protocol Internet Protocol TCP IP and Simple Network Management Protocol SNMP Conventions This section describes the conventions used in this guide Message Formats Two types of messages identifie...

Страница 14: ...n Describes the content of your switch shipment lists site requirements and provides mounting instructions Instructions for making connections and powering up the switch are provided as well Appendix...

Страница 15: ...This switch also features full duplex capability on all ports which effectively doubles the bandwidth of each connection The switch can connect up to 48 end node workstations or servers using its 10B...

Страница 16: ...switch VHIM1000 S1LX 1000Base LX module provides 1 SC single mode fiber optic port for an uplink connection to the switch VHIM100 S2MFX 100Base FX module provides 2 SC multi mode fiber optic ports fo...

Страница 17: ...rnet browser or Telnet Console port RS 232 male DB 9 connector null modem supports access via direct or modem connection BootP for IP address configuration Reliability Redundant power supply support S...

Страница 18: ...Lights steady to indicate that the management is in operational mode Link LEDs Yellow indicates a 10 Mbps link green indicates a 100 Mbps link off indicates no link and flashing indicates that the po...

Страница 19: ...ee 100Base FX 1000Base SX LX Fiber Ports on page 26 for a detailed description 100Base FX SMF Ports One single mode fiber port using SC connectors for uplink See 100Base FX 1000Base SX LX Fiber Ports...

Страница 20: ...he switch Redundant Power Connector This connector is provided for the option of adding an additional DC redundant power unit RPU which can supply power to the switch if its primary power supply fails...

Страница 21: ...through the switch with the Spanning Tree Protocol choosing a single path at any given time and disabling all others If the chosen path fails for any reason a disabled alternative is activated thereb...

Страница 22: ...can be managed using any of the following methods Serial console out of band An RS 232 connection using a DB 9 connector is included on the rear panel for system management Serial console management...

Страница 23: ...mber of packets broadcasts collisions errors and distribution of packet sizes History a function that collects historical statistics based on user defined sampling intervals The statistical informatio...

Страница 24: ...h uses BootP to automatically configure IP address information without requiring access to the console menus BootP operation is configurable using the console interface menus the on board Web agent or...

Страница 25: ...supports Class of Service attributes per the IEEE 802 1p standard using a priority queuing mechanism This feature ensures that traffic during congestion periods will not interfere with traffic assign...

Страница 26: ...and Duplex Auto Admin Enabled Broadcast Storm Control Enabled 500 pps Port Priority Default Ingress User Priority 0 Spanning Tree Algorithm Active Aging Time 300 Bridge Priority 32768 Forward Delay 15...

Страница 27: ...oduct 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 Defa...

Страница 28: ...twork segmentation and traffic prioritization The VH 4802 switch is ideal for meeting the needs of today s high performance networks The switch s low cost and high port count makes it attractive and a...

Страница 29: ...nections to servers by connecting each to a dedicated switch port Figure 1 4 Users can be accommodated through connections to hubs both at 10Mbps and 100Mbps speeds through 10Mbps switches with 100Mbp...

Страница 30: ...ess Figure 1 5 Workgroup hubs are provided with a single connection to the switch while servers are put on dedicated 100 Mbps ports Routers and other networking devices can connect off of the switched...

Страница 31: ...h make sure the site meets the following requirements Mounting Provide a flat table shelf surface or an optional 19 in 48 3 cm equipment rack Use an EIA standard equipment rack that is grounded and ph...

Страница 32: ...e front panel RJ 45 ports visibility of the port LEDs and access to the rear panel modules and power cord Make sure that the mounting surface can safely support the switch and that there is adequate s...

Страница 33: ...1 Mount one of the ears to the switch using two 2 of the supplied screws Repeat this step for the other side of the switch 2 Slide the switch into the rack and align the holes in the rack mounting ear...

Страница 34: ...module touch the bag to the switch casing to discharge any potential static electricity Also use the ESD wrist strap included with the package 4 Remove the module from the anti static shielded bag 5...

Страница 35: ...t as the switch goes through its initialization process See Powering the Switch on page 23 The console port is configured as a standard RS 232 connection using a male DB 9 connector see Table A 1 for...

Страница 36: ...used by your PC i e COM 1 4 then set communications to 8 data bits 1 stop bit no parity 19200 bps and no flow control In Band Connections Prior to accessing the switch via a network connection you mu...

Страница 37: ...re displayed on the screen If you want to display the results of the tests after the switch has been turned on turn the power to the switch off then back on The switch performs two basic types of test...

Страница 38: ...d length constraints for the Gigabit Ethernet short wavelength fiber interface on the fiber optic media module Table 2 3 1000Base SX Fiber Specifications Interface Type Cable Requirement Maximum Lengt...

Страница 39: ...to 10Base T or 100Base TX network segments or end stations These UTP connections meet the requirements of ISO 8877 specified by 10Base T Section 14 of the IEEE 802 3 specification Workstations or ser...

Страница 40: ...Base FX and 1000Base SX LX ports use SC fiber connectors The fiber connectors are configured as a receive RX transmit TX pair Table 2 5 Fiber Uplink Modules Part Number Functions Description VHIM100 S...

Страница 41: ...lause 25 IEEE 802 3u 100Base FX IEEE 802 3z 1000Base SX 1000Base LX IEEE 802 3x Flow Control EIA RS 232C DTE to DCE EIA RS 310C 19 rackmount Regulatory Compliance Safety UL 1950 CSA C22 2 No 950 73 23...

Страница 42: ...l 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...

Страница 43: ...RS 232 Console Port Pin Assignments 10Base T and 100Base TX Ports Table A 2 shows the 10Base T 100Base TX pinouts These ports are wired MDI X All undefined pins are not used Table A 2 10Base T 100Bas...

Страница 44: ...tch Power cord sets for use in other countries must meet the requirements of the country where you use the switch For more information on power cord set requirements contact your Enterasys Networks Su...

Страница 45: ...er and wall plug must bear the certification mark of the agency responsible for evaluation in the country where it will be used Country Accredited Agency See Notes Australia EANSW 1 Austria OVE 1 Belg...

Страница 46: ...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 accordance with the Japanese Dentori Law Flexible...

Страница 47: ...ntrol function on the port from which the packet entered the switch in this case port X Since port X is configured with flow control set to Enabled the switch responds by initiating a pause frame full...

Страница 48: ...34 Flow Control VH 4802...

Страница 49: ...gory 5 CRC Cyclic Redundancy Check CSMA CD Carrier Sense Multiple Access Collision Detection DCE Data Communications Equipment modem DSR Data Send Ready DTE Data Terminal Equipment DTR Data Terminal R...

Страница 50: ...ons 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 Virtua...

Страница 51: ...contents of package 17 cooling requirements 18 copper cables 24 ports 4 crossover cable 25 30 D data rates 27 DB 9 connector 8 default settings 12 description of switch 1 dimensions of switch 28 downl...

Страница 52: ...ode fiber 24 26 N network applications 14 network management features 3 network traffic analysis 9 non volatile Flash memory 8 null modem cable 21 O optional modules 2 5 out of band configuration 8 P...

Страница 53: ...ing Tree Protocol 7 standards compliance IEEE 27 Status LEDs module 4 store and forward switching 7 switch description 1 T TCP IP protocol 8 Telnet 8 22 terminal connection 8 21 tests hardware and sof...

Страница 54: ...4 Index VH 4802...

Страница 55: ......

Страница 56: ...150420 102 R01...

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