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9033639

Acronyms & Abbreviations  29

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 Ethernet

1000Base-SX

1000 Mbps fiber option short-wavelength 
Gigabit Ethernet

1000Base-LX

1000 Mbps fiber option long-wavelength 
Gigabit Ethernet

ANSI

American National Standards Institute

BootP

Bootstrap Protocol

CAT5

Category 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 Ready

ESD

Electrostatic Discharge

FCS

Frame Check Sequence

HTTP

Hypertext Transfer Protocol

ICMP

Internet Control Message Protocol

IEEE

Institute of Electrical and Electronics Engineers

IP

Internet Protocol

LAN

Local Area Network

MAC

Media Access Control

MDI

Media Dependent Interface

LED

Light Emitting Diode

MDI

Media Device Interface

MIB

Management Information Base

RFC

Request for Comment

RMON

Remote Monitoring

RXD

Receive Data

VH-8g.book  Page 29  Friday, November 17, 2000  5:29 PM

Содержание Vertical Horizon VH-8G

Страница 1: ...9033639 VERTICAL HORIZON VH 8G GIGABIT 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: ...o 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...

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 9033639...

Страница 11: ...Parameter Storage 5 Configuration and Management Interfaces 6 RMON 6 Port Mirroring 7 BootP 7 LEDs 7 Full Duplex Mode 7 Flow Control 7 Virtual LANs VLANs 8 Class of Service 8 Port Trunking 8 Factory D...

Страница 12: ...l 21 Standards Compliance 21 Regulatory Compliance 21 Data Rate 21 Environmental Specifications 21 Electrical Specifications 22 Physical 22 Port Specifications 23 Console Port 23 Power Cord Set Requir...

Страница 13: ...rol 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 identified...

Страница 14: ...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 A...

Страница 15: ...ions It includes a standards compliant Simple Network Management Protocol SNMP agent The SNMP agent allows network management station applications to collect and present status and performance informa...

Страница 16: ...packets per second 64 byte packets 1000 Mbps Network Management SNMP compliant agent MIB II RFC 1213 Bridge MIB RFC 1493 Ethernet like MIB RFC1643 RMON Statistics History Alarm and Event groups RFC 1...

Страница 17: ...self test POST is running Off indicates no power is supplied to the switch RPU LED Lights steady to indicate that a redundant power unit is attached and is in backup or active mode Link LEDs Lights st...

Страница 18: ...ific forwarding treatment by the network administrator if desired Forwarding table configuration can be made out of band via the console interface or in band via SNMP or Telnet Static and dynamic addr...

Страница 19: ...undancy check CRC for data integrity This switching method prevents bad frames from traversing the network and using up valuable network bandwidth as with cut through switching technology To minimize...

Страница 20: ...hic interface SNMP based network manager in band The system can also be managed using SNMP the most common protocol used today for network management Standard agent MIBs embedded in the switch provide...

Страница 21: ...twork devices do not need to be configured before they can communicate using the TCP IP protocol suite The VH 8G switch uses BootP to automatically configure IP address information without requiring a...

Страница 22: ...ssing through the switch The VH 8G switch supports Class of Service attributes per the IEEE 802 1p standard using a priority queuing mechanism This feature ensures that traffic during congestion perio...

Страница 23: ...Disabled Speed 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...

Страница 24: ...s high performance networks The switch is designed to consolidate your network core providing high bandwidth connections between workgroup switches and server farms In addition extensive features inc...

Страница 25: ...t the VH 8G switch can be configured to provide 2 Gbps full duplex Gigabit Ethernet connections to servers by connecting each to a dedicated switch port Figure 1 3 Users can be accommodated through co...

Страница 26: ...k switches together and providing file server access Figure 1 4 Workgroup switches are provided with a single connection to the VH 8G while servers are put on dedicated ports The gigabit fiber links a...

Страница 27: ...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 phy...

Страница 28: ...he front panel SC ports visibility of the port LEDs and access to the rear panel console port and power cord Make sure that the mounting surface can safely support the switch and that there is adequat...

Страница 29: ...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 ears...

Страница 30: ...pinouts A null modem wired RS 232 cable is supplied with the switch for connecting to this interface This cable is shielded to comply with emissions regulations and requirements Console Port Out of Ba...

Страница 31: ...ress subnet mask and default gateway using an out of band connection or the BootP protocol After configuring the switch s IP parameters you can access the on board configuration program from anywhere...

Страница 32: ...ults of the tests are 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...

Страница 33: ...d length constraints for the Gigabit Ethernet fiber interface on the switch s SC ports Table 2 1 1000Base SX Fiber Specifications Fiber Diameter microns Modal Bandwidth 850 nm Range 62 5 m MMF 160 MHz...

Страница 34: ...on fiber optic cables will impair the quality of the light transmitted through the cable and lead to degraded performance on the port 3 Connect one end of the cable to the SC port on the switch and th...

Страница 35: ...2 3 IEEE 802 3z 1000Base SX 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 EEC EN 60950 IEC 950 Electromagnetic Co...

Страница 36: ...ctrical Specifications Input voltage 100 240 VAC Input frequency 50 60 Hz Maximum power consumption 80 VA Physical Height 2 5 in 6 4 cm Length 11 2 in 28 5 cm Width 17 3 in 44 cm mountable in a standa...

Страница 37: ...untry where you purchased the switch 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 c...

Страница 38: ...e power cord set requirements by country and identifies the accredited agency within that country Table A 2 Power Cord Set Requirements by Country Country Accredited Agency See Notes Australia EANSW 1...

Страница 39: ...te 2 Flexible cord must be Type SV SJ SPT or equivalent No 18 AWG 3 conductor Wall plug must be a two pole grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration Note 3 Applian...

Страница 40: ...26 Technical Specifications VH 8G...

Страница 41: ...ontrol 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 ful...

Страница 42: ...28 Flow Control VH 8G...

Страница 43: ...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 44: ...ions VH 8G 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...

Страница 45: ...F fault tolerance port trunking 8 features of switch 2 fiber interface 19 fiber ports 3 20 flow control explained 27 features 7 front panel components 3 front panel LEDs 3 I IEEE 802 3x 8 27 in band c...

Страница 46: ...RMON 6 RMON 6 RS 232 connection 6 S safety compliance 21 SC ports 3 serial port 6 site requirements 13 SNMP management 6 specifications electrical 22 environmental 21 fiber cable 19 physical 22 port 2...

Страница 47: ......

Страница 48: ...150183 103 R01...

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