3Com 3C16988A manuale d’uso

http://www.3com.com/ Part No. DUA1698-5AAA04 Published November 2001 SuperStack ® 3 Switch 3300 XM, SM, TM, MM User Guide 3C16985B, 3C 16987A, 3C1698 6A, 3C16988A 1697ua.bk Page 1 Monday, Decem ber 3, 2001 11:31 AM[...]

3Com Corporati on 5400 Bayfront Plaza Santa Clara, Califor nia 95052-8145 Copyright © 2001, 3Com T echnologies. All rights r eserved. No part of this documentation may be repr oduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permi ssion from 3Co m T echnolog[...]

C ONTENTS A BOUT T HIS G UIDE Conventions 8 Related Documentation 9 Documentation Comments 10 Product Registration 10 1 I NTRO DUCING THE S WITCH 3300 XM, SM, TM, MM About the Switch 12 Summary of Features 12 Switch — Front View Detail 13 10BASE-T/ 100BASE-TX Ports 14 1000BASE-SX Port (SM only) 14 1000BASE-T Port (TM only) 14 LEDs 14 Switch — R[...]

2 I NSTALLING THE S WITCH Choosing a Suita ble Site 26 Rack-mounting 27 P l a c i n gU n i t sO nT o po fE a c hO t h e r 2 8 Stacking Units 29 Stacking T wo Units 29 Stacking Up T o Four Units 30 The Power -up Sequence 32 Connecting a Redundant Power System 32 Powering-up the Sw itch 32 Checking for Correct Operation 32 Choosing the Corr ect Cable[...]

Support fr om Y our Network Supplier 52 S u p p o r tf r o m3 C o m 5 2 Retur ning Products for Re pair 54 G LOSSARY I NDEX R EGULATORY N OTICES 1697ua.bk Page 5 Monday, Decem ber 3, 2001 11:31 AM[...]

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A BOUT T HIS G UIDE This guide provides all the information you need to install and use a SuperStack ® 3 Switch 3300 XM (3C16985B), 33 00 SM (3C16987A), 3300 TM (3C16986A) or 3300 MM (3C169 88A) unit with default settings. If you want to change the way the Switch works usin g management software, r efer to the “ SuperStack Switch Management Guid[...]

8 A BOUT T HIS G UIDE Conventions T able 1 and T able 2 list conventio ns that are used throughout this guide. Ta b l e 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to potential loss of data or potential damage to an application, system[...]

Related Documentation 9 Related Documentation In addition to this guide, each Switch 3300 XM, SM, TM, MM document set includes the following: ■ Management Guide This guide con tains all the manag ement information f or the Swit ch. It is supplied on the SuperStack Switch CD-ROM. ■ Quick Reference Guide This guide contains a qu ick summary of th[...]

10 A BOUT T HIS G UIDE In addition, there ar e other publications you may find useful: ■ Documentation accompanying the Advanced Redundant Po wer System. Documentation Comments Y our suggestions are very important to us. They will help make our documentation more useful to you. Please e-mail comments about this document to 3Com at: pddtechpubs_co[...]

1 I NTR ODUCING THE S WITCH 3300 XM, SM, TM, MM This chapter contains introductory information about th e Switch and how i tc a nb eu s e di ny o u rn e t w o r k .I tc o v e r st h ef o l l o w i n gt o p i c s : ■ About the Switch ■ Switch — Front View Detail ■ Switch — Rear View Det ail ■ Network Configuration Examples ■ Configurat[...]

12 C HAPTER 1: I NTRODUCING THE S WITCH 3300 XM, SM, TM, MM About the Switch The SuperSta ck ® 3 Switch 3300 XM, SM, TM, or MM connects: ■ your existing 10Mbps devices. ■ high-performance workgroups with a 100Mbps or 1000Mbps backbone or server connection. ■ users to dedicated 100Mbps ports in one switch. In addition, as part of the 3Com ® [...]

Switch — Front View Detail 13 Switch — Front Vie w De ta il Figure 1 Switch 3300 SM — fr ont view Figure 2 Switch 3300 XM — fr ont view Figure 3 Switch 3300 TM — fr ont view Figure 4 Switch 3300 MM — fr ont view green flashing green = enabled, link OK = disabled, link OK 10BASE-T / 100BASE-TX Unit 3 3 4 4 6 6 5 5 7 7 8 8 9 9 10 10 11 11[...]

14 C HAPTER 1: I NTRODUCING THE S WITCH 3300 XM, SM, TM, MM 10BASE-T/ 100BASE-TX Ports The Switch has 24 auto-negotiat ing 10BASE-T/100BASE-TX por ts configured as MDIX (cr oss-over). These ports can be set to 10BASE-T half duplex, 10BASE-T full dup lex, 100BASE-TX half duplex, 100BASE-TX full duplex, or they can automatically detect the speed and [...]

Switch — Front View Detail 15 . Ta b l e 3 LED behavior LED Color Indica tes Port Status LEDs Packet Yellow Packets are being transmitted/received on the port . Off No packets are being transmitted /received on the port. Status Green A link is present, and the port is enabled. Green flashing A link is present, but the port is disabled. Off No lin[...]

16 C HAPTER 1: I NTRODUCING THE S WITCH 3300 XM, SM, TM, MM Switch — Rear Vie w De ta il Figure 5 Switch 3300 XM, SM and TM — rea r v i e w Figure 6 Switch 3300 MM — r ear view Unit Information Label This label show s the following: ■ The 3Com product name of the Switch ■ The 3Com 3C num ber of the Swi tch ■ The unique MAC address (Ethe[...]

Switch — Rear View Detail 17 Console Port The console p ort allows you to connect a terminal and perfo rm remote or local out-of-band management. The con sole port uses standard null modem cable and is set to auto-baud, 8 data bits, no parity and 1 stop bit. Matrix Port Th e Matrix Port allows yo u to: ■ Stack the Switch 3300 SM, TM or XM with [...]

18 C HAPTER 1: I NTRODUCING THE S WITCH 3300 XM, SM, TM, MM Network Configuration Examples The following illustrations s how some examples of h ow the Switch can be used in your network. Switch as a Segmentation Switch The example in Figure 7 shows how a Switch 3300 SM/XM stack can segment a ne twork of s har ed 10M bps and 100 Mbps and 10 00Mbps c[...]

Network Configuration Examples 19 Switch as a Collapsed Backbone Switch The example in Figure 8 shows how a Switch 3300 TM stack can act as a backbone for both shared and switched network segments. Figure 8 Using the Switch as a collapsed backbone Switch 3300 TM stack Endstations on switched 10Mbps connections Endstations on switched 10Mbps connect[...]

20 C HAPTER 1: I NTRODUCING THE S WITCH 3300 XM, SM, TM, MM Switch as a Desktop Switch The example in Figure 9 shows how the Switch can be used for a group of users that r equire dedicated 10Mbps or 100Mbps conn ections to the desktop. The 3300 SM Switch provides a Gigabit Ether net con nection to a SuperStack II Switch 4900 in the basement and the[...]

Configuration Rules for Fast Ethernet 21 Configuration Rules f o rF a s tE t h e r n e t The topology rules for 100Mbps Fast Ether net are slightly differ ent to those for 10Mbps Et hern et. Figure 10 illustrates the key topology rules and provides examples of how they allow for large-scale F ast Ether net networks. Figure 10 Fast Ethernet c onfigu[...]

22 C HAPTER 1: I NTRODUCING THE S WITCH 3300 XM, SM, TM, MM The key topology rules are: ■ Maximum UTP ca ble length is 100 m (328ft) ove r Category 5 cable . ■ A 412m (1352ft) fiber run is allowed for connecting switch-to-switch, or endstation-to-switch, using half -duplex 100BASE-FX. ■ A total network span of 325m (1066ft) is allowed in sing[...]

Configuration Rules for Gigabit Ethernet (SM and TM) 23 Configuration Rules for Gigabit Ether net (SM and TM) Gigabit Ether net is designed to run over four media: ■ Single-mode fiber optic cable, with connections up to 5km. ■ Multimode fiber optic cable, with connections u p to 550m. ■ Balanced, shielded copper cablin g, with connections up [...]

24 C HAPTER 1: I NTRODUCING THE S WITCH 3300 XM, SM, TM, MM 1697ua.bk Page 24 Monday, December 3, 2 001 11:31 AM[...]

2 I NSTALLING THE S WITCH This chapter contains the informat ion you need to install and set up the Switch. It covers the following to pics: ■ Choosing a Suitable Site ■ Rack-mounting ■ Placing Units On T op of Each Other ■ Stacking Units ■ The Power -up Sequence ■ Choosing the Correct Cables ■ Solving Problems Indicated by LEDs ■ M[...]

26 C HAPTER 2: I NSTALLING THE S WITCH Choosing a Suitable Site The Switch is suited for use in an office envir onment where it can be mounted in a standard 19-inch equipment rack, or fr ee standing. Alter natively , the Switch can be rack-moun ted in a wiring closet or equipment room. A rack-mounting kit, containing two mounting brackets and four [...]

Rack-mount ing 27 Rack-mounting The Switch is 1U hi gh and fits in most sta ndar d 19-inc h racks. CAUTION: Disconnect all c ables from the Switch befor e continuing. Remove all self adhesive pads from the underside of the Switch if they have been fitted. 1 Place the Switch the right way up on a hard flat surface, with the front facing towards you.[...]

28 C HAPTER 2: I NSTALLING THE S WITCH Placing Units On T o po fE a c hO t h e r If the Switch units are fr ee-standing, up to four units can be placed one on top of the other . If you a r e mixing a variety of SuperStack Switch and Hub units, the smaller units must be positioned a t the top. If you ar e placing S witch units on e on top of the oth[...]

Stacking Units 29 Stacking Units Units in the Switch 1100/3300 family can be stacked together and then treated as a single manageable unit with one IP ad dress. T h eM a t r i xP o r to nt h er e a ro ft h eS w i t c hS M ,T Ma n dX Ma l l o w sy o ut o connect two Switch units back-to-back. For this you need a Matrix Cable (part number 3C1696 5). [...]

30 C HAPTER 2: I NSTALLING THE S WITCH Figure 12 A stack of two units Stacking Up T o Four Units Y ou can stack up to f our Switch units using one Switch 3300 MM an d the appropriate number of Matrix Cables. Only one SuperStack 3 Switch 3300 MM unit can be fitted per stack. T os t a c ku pt of o u rS w i t c hu n i t s : 1 Power -off all the units.[...]

Stacking Units 31 4 If you use the management softwar e of the units: ■ Ensure that all the units have the same version of man agement software ■ Ensure that you r e-configur e the stack-wide features on all the units For more information about management software, see “ Managing the Switch ” on page 34 . Figure 13 A stack of thr ee units S[...]

32 C HAPTER 2: I NSTALLING THE S WITCH The Power -up Sequence The following sections describe how to get your Switch 3300 XM, SM, TM or MM powered-up and r eady for operation. Connecting a Redundant Power System Y ou can connect a SuperStack Advanced Redundant Power System (par t number 3C16071B) to the Switch. This unit, which is also known as an [...]

Choosing the Co rrect Cables 33 If there is evidence o f a problem, see “ Solving Pr oblems Indicated by LEDs ” on page 34. Choosing the Correct Cables All of the ports on th e front of the Switch 3300 XM, SM, TM and MM are configured as MDIX (cr oss-over). If you want to make a connection to another MDIX port, you need a cross-over cable. Most[...]

34 C HAPTER 2: I NSTALLING THE S WITCH Solving Problems Indicated by LEDs If the LEDs on the S witch indicat e a pr oblem, r ef er to T able 6 which contains a list of problems and suggested solutions. For information about solving problems when managing the Switch, r efer to the Problem Solving chapter in the “ SuperStack Switch Management Guide[...]

A S AFETY I NFORMATION Y ou must read the following safety information bef ore carrying out any installation or removal of components, or any maintenance procedur es on the Switch 3300 XM, SM, TM or MM. WA RN I N G : Warnings contain directions that you must follow for your personal safety . Follow all direct ions carefully . Y ou must read the fol[...]

36 A PPENDIX A: S AFETY I NFORMATION Important Safety Information ■ Installation and removal of the unit must be carried out by qualified personnel only . ■ If installing the Switch u nit in a stack with SuperStack Hub units, the Switch 3300 XM, SM, TM or MM unit must be installed below the Hub units. ■ The unit should never be connected to a[...]

Important Safety Inform ation 37 ■ France and Peru only: This unit canno t be powered from IT † supplies. If your supplies are of IT type, this unit must be powered by 230V (2P+T) via an isolation transformer ratio 1:1, with the secondary connect ion point labelled Neutral, connected directly to earth (ground). † Imp é dance à la terre. ■[...]

38 A PPENDIX A: S AFETY I NFORMATION L ’ information de S é curit é Importante ■ L'installation et la d é pose de ce groupe doivent ê tr e confi é s à un personnel qualifi é . ■ Si vous entassez l'unit é S witch avec les unit é s SuperStack H ub, l'unit é Switch 3300 XM, SM, TM ou MM doit ê tre i nstall é e en desso[...]

L ’ information de S é curit é Importante 39 ■ L ’ appareil fonctionne à une tension ext r ê mement basse de s é curit é qui est conforme à la norme CEI 95 0. Ces conditions ne sont maintenues que si l' é quipement auquel il est raccor d é fonctionne dans les m ê mes conditions. ■ France et P é rou uniquement: Ce groupe ne p[...]

40 A PPENDIX A: S AFETY I NFORMATION Wichtige Sicherheitsinformat ionen ■ Die Installation und der Ausbau des Ger ä ts darf nur durch Fachpersonal erfolgen. ■ Wenn die Switch 3300 XM, SM, TM oder MM Einheit in einer Stapel mit anderen SuperStack Hub Einheiten eingebaut wer den soll, mu ß die Switch 3300 XM, SM, TM oder MM Einheit unter die sc[...]

Wichtige S icherheitsi nformationen 41 WARNHINWEIS: Faseroptikanschl ü sse - Optische Sicherheit. Niemals mit einem V ergr öß erungsger ä te i n e n Ü bertragungs-Laser betrachten, w ä hrend dieser eingeschaltet ist. Niemals direkt auf den Faser Anschlu ß und auf die Faserkabelen den schauen, w ä hrend diese eingeschaltet sind. 1697ua.bk Pa[...]

42 A PPENDIX A: S AFETY I NFORMATION 1697ua.bk Page 42 Monday, December 3, 2 001 11:31 AM[...]

B P IN - OUTS Null Modem Cable 9-pin to RS-232 25-pin PC-A T Serial Cable 9-pin to 9-p in Screen TxD RxD Ground RTS CTS DSR DCD DTR Screen RxD TxD Ground RTS DTR CTS DSR DCD Shell 3 2 5 7 8 6 1 4 1 3 2 7 4 20 5 6 8 Switch 3300 XM, SM, TM, MM Cable connector: 9-pin female PC/T erminal Cable connector: 25-pin male/female only required if scr een alwa[...]

44 A PPENDIX B: P IN - OUTS Modem Cable 9-pin to RS-232 25-pin RJ45 Pin Assignments Pin assignments are identical for 10BASE-T and 100B ASE-TX RJ45 connectors Screen TxD RxD RTS CTS DSR Ground DCD DTR Screen TxD RxD RTS CTS DSR Ground DCD DTR Shell 3 2 7 8 6 5 1 4 1 2 3 4 5 6 7 8 20 Switch 3300 Cable connector: 9-pin female XM, SM, TM, MM RS-232 Mo[...]

RJ45 Pin Ass ignments 45 Ports configured as MDIX 1 RxData + Receive Data 2 RxData – Receive Data 3 TxData + Transmit data 4 Not assigned 5 Not assigned 6 TxData – Transmit data 7 Not assigned 8 Not assigned Ta b l e 7 Pin assignments Pin Number Signal Function 1697ua.bk Page 45 Monday, December 3, 2 001 11:31 AM[...]

46 A PPENDIX B: P IN - OUTS 1697ua.bk Page 46 Monday, December 3, 2 001 11:31 AM[...]

C T ECHNICAL S PECIFICATIONS Switch 3300 XM, SM a nd MM Physical Dimensions Height: 43.6mm x Width: 44 0mm x Depth: 247.5mm Weight: 5kg (11lbs) Environmental Requir ements Operating Temperature 0 ° to 40 ° C( 3 2 ° to 104 ° F) Storage Temperature – 10 ° to +70 ° C( 1 4 ° to 158 ° F) Operating Humidity 10 – 95% relative humidity, n on-co[...]

48 A PPENDIX C: T ECHNICAL S PECIFICATIONS Switch 3300 TM Standards Supported SNMP SNMP protocol (RFC 1157) MIB-II (RFC 1213 ) Bridge MIB (RFC 149 3) Repeater MIB (RFC 1516) VLAN MIB (RFC 157 3) RMON MIB (RFC 1271 ) BOOTP (RFC 951) T erminal Emulation Telnet (RFC 854) Protocols Used for Administration UDP (RFC 768) IP (RFC 791) ICMP (RFC 792) TCP ([...]

Switch 3300 TM 49 Standards Supported SNMP SNMP protocol (RFC 1157) MIB-II (RFC 1213 ) Bridge MIB (RFC 149 3) Repeater MIB (RFC 1516) VLAN MIB (RFC 157 3) RMON MIB (RFC 1271 ) BOOTP (RFC 951) T erminal Emulation Telnet (RFC 854) Protocols Used for Administration UDP (RFC 768) IP (RFC 791) ICMP (RFC 792) TCP (RFC 793) ARP (RFC 826) TFTP (RFC 783) 16[...]

50 A PPENDIX C: T ECHNICAL S PECIFICATIONS 1697ua.bk Page 50 Monday, December 3, 2 001 11:31 AM[...]

D T ECHNICAL S UPPORT 3Com provides easy access to technical support information through a variety of services. This appendix describes these services. Information contained in this appendix is correct at time of publication. For the most r ecent informatio n, 3Com r ecommends that you access the 3Com Corporatio n W orld Wide Web site. Online T ech[...]

52 A PPENDIX D: T ECHNICAL S UPPORT 3Com F TP Site Download drivers, patches, sof twar e, and MIBs acr oss the Internet from th e 3Com public F TP site. This service is available 24 hours a day , 7 days a week. T o co nnect to the 3Com F TP site, enter the following information into your F TP client: ■ Hostname: ftp.3com.com ■ Username: anonymo[...]

Support from 3Com 53 ■ A list of system har dwar e and software , including re vision levels ■ Diagnostic error messages ■ Details about r ecent configuration changes, if applicable Here is a list of worldwide technical telephone support numbers. These numbers are corr ect at the time of publication. Refer to the 3Com Web site for updated inf[...]

54 A PPENDIX D: T ECHNICAL S UPPORT Returning Products for Repair Before you send a pr oduct dir ectly to 3Com for repair , you must first obtain an authorization number . Products sent to 3Com without authorization numbers will be return ed to the sender unopened, at the sender ’ s expense. T o obtain an authorization number , call or fax: Count[...]

G LOSSARY 10BASE-T The IEEE specification fo r 10Mbps Ether net over Category 3, 4 or 5 twisted pair cable. 100BASE-FX Th e IEEE specification for 100Mbps Fast Et her net over fiber -optic cab le. 100BASE-TX The IEEE specification fo r 100Mbps Fast Ether net o ver Category 5 twisted-pair cable. 1000BASE-SX The IEEE specification fo r 1000Mbps Gigab[...]

56 G LOSSARY information to forward packets based on th eir destination address. This process is known as filtering. broadcast A packet sen t to all devices on a netwo rk. broadcast s torm Multiple simultaneous broadcasts that typically absorb all the available network bandwidth and can cause a network to fail. Broadcast storms can be due to faulty[...]

57 full duplex A system that allows packets to be transmitted and received at the same time and, in effect, doubles the potential throughput of a link. half duplex A system that allows packets to transmitted and received, but not at the same time. Contrast with full duplex . hub A device that regenerates LAN traffic so that the transmission d istan[...]

58 G LOSSARY loop An event that occurs when two n etwork devices are connected by mor e than one path, thereby causing packets to r epeatedly cycle around the network and not reach their destination. MAC Media Access Contr ol. A protocol specified by the IEEE for determining which devices have access to a networ k at any one time. MAC addr ess Medi[...]

59 server A computer in a network that is shared by multiple endstations. Servers provide endstations with access to shar ed network services such as computer files and printer queues. SLIP Serial Line Inter net Protocol. A pr otocol that allows IP to run over a serial line (console p ort) connection. SNMP Simple Network Management Pr otocol. The c[...]

60 G LOSSARY unicast A packet sent to a single endsta tion on a network. WA N W ide Area Network. A communications network that covers a wid e area. A W AN can cover a la rge geographic area, and m ay contain several LANs within it. 1697ua.bk Page 60 Monday, December 3, 2 001 11:31 AM[...]

I NDEX 61 I NDEX Numbers 1000BASE-SX port 14 1000BASE-T port 14 10BASE-T/100BASE-TX ports 14 3C number 16 3Com Knowledgebase Web Services 51 3Com URL 51 A auto-negotiating ports 14 C cable choosing the correct 33 Matrix 17 maximum length 14, 22, 23 pin-outs 43 Choosing a Suitabl e Site 26 Collapsed B ackbone S witch 19 Configuration Rules for the 3[...]

62 I NDEX auto-negotiating 14 console 17 matrix 17 power socket 16 powering-up a Switch 32 Powering-up the Switch 32 Power -up sequence 32 pr oduct name 16 R rack mounting a Switch 27 Redundant Power System. See RPS returning products for repair 54 RPS 16 connecting 32 socket 16 S safety information English 36 Frenc h 38 German 40 segment, maximum [...]

R EGULATORY N OTICES FCC S TATEMENT 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 pro vide reasonable protectio n against harmful interference when the equipment is operated in a commercial environment. This equipment generates, use[...]

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