3Com 4400 manuale d’uso

http://www.3com.com/ Part No. DUA1720-3AAA07 Published Mar ch 2004 SuperStack ® 3 Switch 4400 Series Getting Started Guide Switch 4400 (3C17203) Switch 4400 (3C17204) Switch 4400 PWR (3 C17205) Switch 4400 SE (3C17206) Switch 4400 FX (3C17210) DUA1720-3AAA07.book Page 1 Wedne sd ay, March 17, 2004 1:14 PM[...]

3Com Corporati on 350 Campus Drive Marlborough, MA 01752-3064 Copyright © 2 004, 3Com Corporation. All r ights reserv ed . No part of this documen tation may be r eproduced in any form or by any means or used to make any derivative work (such as tran slation, transformation , or adaptation) without writt en permission fr om 3Com Corporation. 3Com [...]

C ONTENTS A BOUT T HIS G UIDE Before Y ou Start 7 Release Notes 7 About Y our CD-ROM 8 Conventions 8 Related Documentat ion 9 Accessing Online Documentation 10 Documenta tion Comments 10 Produc t Registration 11 1 I NTRO DUCING THE S UPER S TACK 3 S WITCH 4400 About the Switch 44 00 14 Summary of Har dwar e Featur es 14 Switch 4400 — Fr ont View [...]

How T o Stack Uni ts 27 Rules For Stacking Units 2 8 The Power -up Sequence 3 0 Powering-up th e Switch 4400 30 Checking for Correct Operation of LEDs 30 Connecting a Redu ndant Power Sy stem 3 0 Using Power over Ethernet 31 Choosing t he Correct Cables (Switc h 4400, 4400 SE and 4400 PWR) 32 Choosing the Correct Cables (Switch 4400 FX) 33 3 S ETTI[...]

4 P ROB L E M S OLVING Solving Pr oblems Indicated by LEDs 58 Solving Hardwar e Problems 59 Solving Communication Problems 62 Solving Software Upgrade Pr oblems 63 A S AFETY I NFORMATION Power Cord Set — Japan 65 Important S afety Informatio n 6 6 L ’info rmation de Sécurité Impo rtante 68 Wichtige Sicherheitsinformationen 70 B P IN - OUTS Nu[...]

I NDEX R EGULATORY N OTICES DUA1720-3AAA07.book Page 6 Wedne sd ay, March 17, 2004 1:14 PM[...]

A BOUT T HIS G UIDE This guide provides all the information you need to install and use the following switches in their default state: ■ SuperSt ack ® 3 Switch 4400 (3C17203) ■ SuperSt ack ® 3 Switch 4400 (3C172 04) ■ SuperSt ack ® 3 Switch 4400 PWR (3C17205) ■ SuperSt ack ® 3 Switch 4400 SE (3C17206) ■ SuperSt ack ® 3 Switch 4400 FX[...]

8 A BOUT T HIS G UIDE About Y our CD-ROM The CD-ROM contains th e following: ■ Online documentation for the Sw itch 4400 — refer to Related Documenta tion on page 9 for det ails. ■ 3Com Network Supervisor — a powerful and easy-to-us e network management platform. ■ A number of other useful applications. Most user guides and release notes [...]

Related Documentation 9 Related Documentation In addition to this guide, each Sw itch documentatio n set includes the following: ■ SuperStack 3 Switch Implementation Guide This guide cont ains information on the features supported by your Switch and how they can be used to optimize your network. It is supplied in PDF format on the CD-ROM tha t ac[...]

10 A BOUT T HIS G UIDE ■ Release No tes These notes p rovide information about the current software release, including new features, modifications, and known problems. The Release Notes are supplied in hard copy with your Switch. There are other publications you may find useful, such as: ■ Documentation accompanying the Advanced Redu ndant Powe[...]

Product Registration 11 Please include the following information when commenting: ■ Document title ■ Document part number (on the title page) ■ Page number (if appropriate) Example: Part Number DUA1720-3AAA07 SuperStack 3 Switch 4400 Se ries Getting Started Guide Page 21 Please note that we can only r esp ond to comments and questions abo ut [...]

12 A BOUT T HIS G UIDE DUA1720-3AAA07.book Page 12 Wednesday, M arch 17, 2004 1:14 PM[...]

1 I NTR ODUCING THE S UPER S TACK 3 S WITCH 4400 This chapter contain s introductory information about the Switch 4 400 and how it can be used in your network. It covers summaries of hardwar e and software featur es and also the following top ics: ■ About the Swit ch 4400 ■ Switch 4400 — Front View Detail ■ Switch 4400 — Rear View Detail [...]

14 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4400 About the Switch 4400 The Switch 4400 is a stackable 10/100 Mbps Ether net switch and provides high-performance workgro ups with a backbone to server connection. The Switch 4400 allows Cascade, Gigabit Ethernet or Fast Ether net Fiber connections when expa nsion modu les are installed in [...]

Switch 4400 — Front View Detail 15 Switch 4400 — Front View Detail Figure 1 Switch 4400 FX — fr ont view Figure 2 Switch 4400 (24-port) / Switch 4400 SE — front view Figure 3 Switch 4400 PWR — fr ont view 3 5 4 7 6 8 11 12 3 4 6 5 7 8 9 10 1 2 13 14 15 16 17 18 19 20 21 22 23 24 3C17203 SuperStack 3 © Power/Self test Module 1 Module 2 Sw[...]

16 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4400 Figure 4 Switch 4400 (48-port) — fr ont view WAR N I NG : RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot be used as standard traditional teleph one sockets, or to connect the unit to a traditional PBX or public telephone networ k. Only connect RJ-45 da ta connectors, ne[...]

Switch 4400 — Front View Detail 17 connector that allows both the transmit and the receive fibers to be connected in the same space as an RJ-45 port. LEDs T abl e 4 lists LEDs visible on the front of the Switch, and how to r ead their status according to color . For information on using the LEDs for problem solving, see “Solving Problems Indica[...]

18 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4400 Port LEDs — Power over Et he rnet mode (3C17205 only) Packet Green Power is being delivered to the port. Green flashing Exceeded port power limit (overCurrent MIB state) or unable to supply power due to unit over budget (denyLowPriority MIB state). Yellow Power over Ethernet error, no p[...]

Switch 4400 — Rear View Detail 19 Switch 4400 — Rea r View Detail Figure 5 Switch 4400 (all models) — r ear view Power Socket The Switch automatically adjusts its power setting to any supply voltage in the range 90-240 V AC. Redundant Power System Socket T o protect against inter nal power sup ply failure, you can use this socket to connect a[...]

20 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4400 Default Settings T ab le 5 shows the default settings for the Switch 4400: Ta b l e 5 Default Settings Feature Switch 4400 Automatic IP Configurati on Enabled Port Status Enabled Port Speed 10/100 Mbps ports are auto-negotiated MT-RJ ports (3C17210) are fixed at 100 Mbps Duplex Mode All f[...]

Default Settings 21 T o make SSH, Webcache redirection, RADIUS (inclu ding 802.1x Ne twork Login), Auto VLAN assignmen t, and T r af fic Prioritization available on the SuperStack 3 Switch 4400 SE, upgrade th e product to the Switch 4400 SE Enhanced Software Up grade (3C17207). If you initialize a Switch unit by selecting System > Control > I[...]

22 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3 S WITCH 4400 DUA1720-3AAA07.book Page 22 Wednesday, M arch 17, 2004 1:14 PM[...]

2 I NSTALLING THE S WITCH This chapter contains the informat ion you need to install and set up the Switch 4400. It covers the follo wing topics: ■ Package Contents ■ Choosing a Suitable Site ■ Rack-mounting ■ Placing Units On T op of Each Other ■ Stacking Units ■ The Power -up Sequence WARNING: Safety Information. Befo re installing or[...]

24 C HAPTER 2: I NSTALLING THE S WITCH Package Contents ■ Switch unit ■ CD-ROM (includes do cumentation r elated to your Swit ch) ■ Getting Started Guide (this guide) ■ Management Quick Reference Guide ■ Release No tes ■ Unit Information Labels ■ W arranty Information ■ Power Cord ■ 2 x Mounting brackets ■ 4 x Screws ■ 4 x Rub[...]

Rack-mount ing 25 ■ The air is as free fr om dust as possible. ■ The unit is installed in a clean, air conditioned environment. ■ No more than eight Switch units ar e placed on top of one another , if the units are fr ee-standing. ■ The Switch is situated away from sour ces of conductive (electrical) dust, for example laser printers. ■ Th[...]

26 C HAPTER 2: I NSTALLING THE S WITCH Figure 6 Fitting a bracket for rack-mounting 3 Insert the two screws and tighten with a suitable screwdriver . Y ou must use the screws supplied with the mounting brackets. Damage caused to the unit by using incorrect screws invalidates your warranty . 4 Repeat steps 2 and 3 for the other side of the Switch. 5[...]

Placing Units On Top of Each Other 27 Placing Units On T op of Each Other If the Switch units ar e free-standing, up to eight units can be placed one on top of the other . If you are mixing a variety of SuperStack ® 3 Switch and Hub units, the smaller units must be positioned at the top. If you are placing Switch units one on top of the other , yo[...]

28 C HAPTER 2: I NSTALLING THE S WITCH Cascade Extender Unit . The Cascade Module is installed into th e expansion slot at the rear of the Switch and the Cascade Exte nder Unit plugs into the Cascade Modu le. Figure 8 Stacking mor e than two Switch 4400 units For information on ordering the Cascad e Kits contact your supplier . Fo r illustrations a[...]

Stacking Units 29 ■ The Cascade Extender Un it is hot-insertable. This allows its host Switch unit to b e removed and r eplaced witho ut disturbing the rest of the stack. ■ Only 3Com ® Cascade Cables can be used to connect between Cascade Modules/Cascade E xtender Units. ■ Due to the length of the Cascade Ca bles, you must insert all of the [...]

30 C HAPTER 2: I NSTALLING THE S WITCH The Power -up Sequence The following sections describe how to get your Switch 4400 powered-up and ready for operation. Powering-up the Switch 4400 Use the following sequence of steps to power -up the Switch. 1 Plug the power cor d into the powe r socket at the rear of the Switch. 2 Plug the other end of the po[...]

The Power-up Sequence 31 CAUTION The Switch has no ON/OFF switch; the only method of connecting or disconnecting main s power is by connecting or disconnecting the power cord. CAUTION: The Switch can o nly use a Su perStack Advanced Redundant Power System outp ut. Using Power over Ethern et The Switch 4400 PWR can power any IEEE 802.3af compliant d[...]

32 C HAPTER 2: I NSTALLING THE S WITCH ■ 3Com NBX 2102PE Business Phone (3C10226PE) ■ 3Com NBX 2102PEIR Business Phone with IR (3C10228RPE) ■ 3Com NBX 3102 Business Ph one (3C10402A) ■ 3Com NBX A T A Business Phone (3C10400) ■ Network Jacks: ■ 3Com NJ90 (3CNJ90) ■ 3Com NJ95 (3 CNJ95 ■ 3Com NJ100 (3CNJ100, 3CNJ100 -CRM) ■ 3Com NJ10[...]

The Power-up Sequence 33 connection to an MDI port, you need to use a standard straight- through cable. See T able 7. WAR NI N G: The 440 0 PWR (3C17205) supports Power over Ethernet on all front ports. These ports should only be used for Ethernet wiring within the same building. The Rear Module ports of the Switch 4400 PWR can be used for ethernet[...]

34 C HAPTER 2: I NSTALLING THE S WITCH Auto-MDIX sensing is requir ed . The maximum cable length is 2 kilometers (1.24 miles). CAUTION: Do not connect pinned MT -RJ connectors into any port on the Switch 4400 FX as this may damage the unit. The ports have locator pins fitted and are designed for stan dard (pinless) connectors . T o connect a front-[...]

3 S ETTING U P FOR M ANAGEMENT Y our Switch can operate in its default state, that is, you can install it and it will work straight away (plug-and- play). However , to make full use of the features of fered by the Switch, and to change and monitor the way it works, you have to acce ss the management software that r esides on the Switch. This is kno[...]

36 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Setting Up Overview This section gives an overview of what you need to do to get your Switch set up and ready for management wh en it is in its de fault state. The whole setup process is summarized in Figure 9. Detailed procedural steps ar e contained in the sections th at follow . In brief, you n eed to:[...]

Setting Up Overview 37 CAUTION: T o protect your Switch from unauthorized access, you must change all three default passwords as soon as possible, even if you do not intend to actively manage your Swit ch. For more inform ation on defau lt users and changing default passwords, see “Def ault Users and Passwords” on page 55 . IP Configuration Y o[...]

38 C HAPTER 3: S ETTING U P FOR M ANAGEMENT This process is known as Auto-IP and is the same mechanism used by Wi ndows 98 and W indows 2000. IP a ddresses configured by Auto-IP are temporary as they cannot be routed but ar e useful for small networks which are not connected to other netw orks, or for initial configuration. However , as soon as a D[...]

Manually Configuring IP Informatio n 39 Manually Configuring IP Information Y ou can manually configure the Switch IP information in the following ways: ■ Connecting to a front panel port — Connect a works tation using an Ether net cable to a front panel port of the Switch. Y ou can then manually enter IP information using the web interface or [...]

40 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Connecting the W orkstat ion to the Switch 1 Connect the workstation to a front panel port using an Ethernet cable as shown in Figure 10. Figure 10 Connecting a workstation to the Switch via a fr ont panel port T o connect t he cable: a Attach an RJ-45 connector at one en d of the Ethernet cable to the Ne[...]

Manually Configuring IP Informatio n 41 If there is no response, wait for one minute then re-enter the default IP address. 3 At the login and password pr ompts, enter admin as your user name and press Return at the p assword pr ompt (default user n ame and password). If you have logged on correctly , a set of Getting Started pages are displayed. 4 [...]

42 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Figure 11 Example top-level command line interface menu 4 At the Select menu option prompt you can either: ■ enter th e protocol ip basicConfig command. At the Enter configuration method prompt enter manual . The screen prompts you to enter IP information. or ■ enter th e gettingStarted command. At th[...]

Manually Configuring IP Informatio n 43 Pre-r equisites ■ A workstation with terminal emulation soft ware installed, such as Microsoft Hyperterminal. This software allows you to communicate with the Switch via the console port directly , or through a modem. ■ Documentation supplied with th e terminal emulation softwar e. ■ A suitable cable: ?[...]

44 C HAPTER 3: S ETTING U P FOR M ANAGEMENT 2 Open your terminal emulation software and configure the COM port settings to which you have connected the cable. Th e settings should be set to match the default settings for the Switch, which are: ■ 19,200 baud ■ 8 data bits ■ no parity ■ 1 stop bit ■ no h ard w are f lo w co n tro l Refer to[...]

Manually Configuring IP Informatio n 45 Figure 13 Example top-level command line interface menu 3 At the Select menu option prompt you can either: ■ enter th e protocol ip basicConfig command. At the Enter configuration method prompt enter manual . The screen prompts you to enter IP information. or ■ enter th e gettingStarted command. At the En[...]

46 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Viewing Automatically Configured IP Information If you allow the Switch to automatica lly configure its own IP information you need to discover and view the IP information before you can begin to manage the Switch. Y ou can discover the IP information in two ways: ■ Using 3Com Net work Supervisor — Th[...]

Viewing Automaticall y Configured IP Information 47 ■ A suitable cable: ■ A standard null modem cable — if you ar e connecting directly to the console port, or ■ A standard modem cable — if y ou are connecting to the console port using a modem. Y ou can find pin-out diagrams for both cables in Ap pendix B on page 73 . ■ A Category 5 twi[...]

48 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Viewing IP Information via the Console Port Y ou are now r eady to view the auto matically allocate d IP information using the command line interface. 1 Connect your Switch to the network using an Ether net cable. As soon as a network connection is made the Switch begins the aut omatic IP configuration pr[...]

Methods of Managing a Switch 49 The initial set up of your Switch is now complete and the Switch is r eady for you to set up your chosen management method. See “Methods of Managing a Switch” on page 49. If you do not intend to use the command line interface via the conso le port to manage the Switch , you can l ogout, disconnect the serial cabl[...]

50 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Command Line Interface Management using SSH The Switch 4400 supports Secure Shell version 2 (SSHv2), allowing secure access to the Command Line Interface of the Switch. If you use SSH to administer your Switch and the network traffic is intercepted, no passwor ds or configur ation information will be visi[...]

Setting Up Command Line Interface Management 51 CLI Management via the Console Port T o manage a Switch using the co mmand line interface via the local console port connection: 1 Ensure you have conne cted your work station to the console port correctly as described in “Connecting to the Console Port” on page 42. 2 Y our Switch is now ready to [...]

52 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Setting Up Command Line Interface Management using SSH This section describes how you ca n set up Command Line Interface management using SSH over a netwo rk. T o manage a Switch using the command line interface over a network using SSH: 1 Ensure you have alr eady set up the Switch wit h IP information as[...]

Setting Up Web Interface Management 53 For further information on generati ng a host key on your switch and transferring keys to the Swit ch us ing TF TP ser ver p lease refer to Chapter 11 of the “SuperStack 3 Switch Implementation Guide”. Setting Up Web Interface Management This section describes how you ca n set up web interface man agement [...]

54 C HAPTER 3: S ETTING U P FOR M ANAGEMENT ■ V ariable Width Font - Size 10.0 ■ Fixed W idth Font - Size 12.0 This ensur es that the text spac ing is corr ect. Finally in the Advanced category ensure that Enable Java Script and Enable style sheets are checked. Web Management Over the Netwo rk T o manage a Switch using the web interface over an[...]

Default Users and Passwords 55 automatically loads the correct MIBs and necessar y files onto your workstation. Pre-r equisites ■ Documentation supplied with the SNMP netwo rk management application software. T o manage your Switch usin g an SNMP network management application, you need to specify SN MP community strings for the users defined on [...]

56 C HAPTER 3: S ETTING U P FOR M ANAGEMENT ■ The security device user modify command on the CLI, or ■ The Securi ty > Device > User > Modify operation on the web interface. For more information about defau lt users and passwords, refer to the “Superstack 3 Swit ch Management Interface Re ference Guide” on the Switch CD-ROM. DUA172[...]

4 P RO B L E M S OLVING This chapter helps you to diagnose and solve problems you may have with the operation of your Switch. There is also an explanation of IP addressing. The topics covered ar e: ■ Solving Pr oblems Indicat ed by LEDs ■ So lvi ng H ardw are Pro ble ms ■ Solving Commun ication Pr oblems ■ Solving Software Upgrade Problems [...]

58 C HAPTER 4: P ROBLEM S OLV ING Solving Problems Indicated by LEDs If the LEDs on the Switch indicate a problem, r efer to the list of su ggested solutions below . The Power LED does not light Check that the power cable is firmly connected to the Switch and to the supply outlet. If the c onnection is secure and ther e is still no power , you may [...]

Solving Hardware Problems 59 ■ Auto-negotiation settings are the same at both ends. Auto-negotiation problems will occur with 10BASE-T or 100BASE-T where auto-negotiation is disabled a nd incorr ect cables are being used (cross-over or straight) Auto-negotiation problems will occur with fiber if: ■ The Receiver (RX) and T ranscei ver (TX) cable[...]

60 C HAPTER 4: P ROBLEM S OLV ING Switch. The monitoring system polls the fan status at periodic intervals while the unit is powered up. If one fan has failed in the Switch, a warning message wi ll be generated in the following ways: ■ RMON Email Notification — If configured, you will receive notification of the fan failur e via email, SMS (S h[...]

Solving Hardware Problems 61 Unit fails, no SNMP fan failur e message is received 1 Power cycle the unit. T o do this, remove and r econnect the AC mains supply . If the unit has no AC mains supply , remove and r econnect the DC RPS supply . 2 Check the command line interface ( system summary command) to determine whether a thermal shutdown has occ[...]

62 C HAPTER 4: P ROBLEM S OLV ING Solving Communication Problems If you experience communication problems with the Switch, ensur e that: ■ The Switch IP address and Manageme nt VLAN ID has been configured as described in Chapter 3. ■ If the Switch is separated from your management application by a router , ensure that the default gateway IP add[...]

Solving Software Upgrade Problems 63 If your IP network is inter nal to your organization only , that is, you do not access the Internet, you ma y use any arbitrary IP a ddress as long a s it is not being used by another device on your network. 3Com suggests you use addresses in the range 192.1 68.0.0 to 192.168.255.255 wit h a subnet mask of 255.2[...]

64 C HAPTER 4: P ROBLEM S OLV ING DUA1720-3AAA07.book Page 64 Wednesday, M arch 17, 2004 1:14 PM[...]

A S AFETY I NFORMATION Y ou must read the following safety information before carrying out any installation or removal of components, or any maintenance pr ocedures on the Switch 4400. WAR NI N G: Warnings contain directions that you must follow for your personal safety . Follow all directions carefully . Y ou must read th e following safety inform[...]

66 A PPENDIX A: S AFETY I NFORMATION Important Safety Information WAR NI N G: Installation and removal of the unit must be carried out by qualified personnel only . WAR NI N G: If in stalling the Switch 4400 in a stack with Su perStack II or SuperStack 3 units that are narrow er than the 4400, the Switch 44 00 unit must be installed below the narro[...]

Important Safety Information 67 WAR NI N G: Th e socket outlet must be near to the unit and easily accessible. Y ou can only remove power fro m the unit by disconnecting the power cord from the outlet. WAR NI N G: This unit operates under SEL V (Safety Extra Low V oltage) conditions according to IEC 60950. The co nditions are only maintained if the[...]

68 A PPENDIX A: S AFETY I NFORMATION WAR NI N G: The 4400 PWR (3C17205) supports Power over Ethernet on all front ports. These ports should only be used for ethernet wiring within the same bui lding. WAR NI N G: When an Expansion Module is not installed ensure the blanking panel is fitted by tightenin g all screws with a suitable tool. L ’informa[...]

L’information de Sécurité Importante 69 A VERTISSEMENT : Le coupleur d'appareil (l e connecteur du groupe et non pas la prise murale) doit respecter une configuration qui permet un branchement sur une entrée d'appareil EN60320/CEI 320. A VERTISSEMENT : La prise secteur doit se trouver à proximité de l’appareil et son accès doit [...]

70 A PPENDIX A: S AFETY I NFORMATION A VERTISSEMENT : Ports pour fibres optiques – sécurité sur le plan optique. Ne regardez jamais le voyant (DEL) d'émission en utilisant un dispositif d'agrandissement, tant qu'il est so us tension. Ne regardez jamais directement le port TX (T rans mission) à fibres optiques et les embouts de [...]

Wichtige S icherheitsinf ormationen 71 VORSICHT : Der Gerätestecker (der Anschluß an das Gerät, nicht der Wandsteckdosenstecker) muß eine passende Konfiguration für ein en Geräteeingang gemäß EN60320/IEC320 haben. VORSICHT : Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein. Die Stromversorgung des Geräts kann nur[...]

72 A PPENDIX A: S AFETY I NFORMATION VORSICHT : Faseroptikanschlüsse – Optische Sicherh eit . Niemals mit einem V ergrößerungsgerät ein Übertragungs-LED betrachten, während dieses eingesch altet ist. Niemals direkt auf den Faser -TX-Anschluß und auf die Faserk abelenden schauen , während diese eingeschaltet sind. VORSICHT : Das 4400 PWR ([...]

B P IN - OUTS Null Modem Cable 9-pin to RS-232 25-pin PC-A T Seria l Cable 9-pin to 9-pin DUA1720-3AAA07.book Page 73 Wednesday, M arch 17, 2004 1:14 PM[...]

74 A PPENDIX B: P IN - OUTS Modem Cable 9-p in to RS-232 25 -pin RJ-45 Pin Assignments Pin assignments are identical for 10BASE-TX and 100BASE-T RJ-45 connectors. T able 10 Pin assignments Pin Number Signal Func tion Ports configured as MDI 1 Transmit Data + Bidirectional Data A+ 2 Transmit Data + Bidirectional Data A- 3 Receive Data + Bidirec tion[...]

RJ-45 Pin Assignments 75 T able 11 Pin assignments Pin Number Signal Function Ports configured as MDIX 1 Receive Data + Bidirec tional Data B+ 2 Receive Data - Bidirectional Data B- 3 Transmit Data + Bidirectional Data A+ 4 Not assigned Bidirection al Data A- 5 Not assigned Bidirection al Data D+ 6 Transmit Data Bidirectional Data D- 7 Not assigned[...]

76 A PPENDIX B: P IN - OUTS DUA1720-3AAA07.book Page 76 Wednesday, M arch 17, 2004 1:14 PM[...]

C T ECHNICAL S PECIFICATIONS Switch 4400 (24-port) and Switch 4400 SE Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.) Weight: 2.8 kg (6.2 lbs) Environmental Requirements Operating Temperature 0 ° to 40 °C (32 ° to 104 °F) Storage Temperature –40 ° to +70 °C (-40 ° to 158 °F) Operating Humi[...]

78 A PPENDIX C: T ECHNICAL S PECIFICATIONS Standards Supported SNMP SNMP protocol (RFC 1157) MIB II Traps (RFC 1 215) MIB-II (RFC 1213) Bridge MIB (RFC 1493) Bridge extensions (RFC 2674) RMON MIB II (RFC 2021) Remote Monitoring MIB (RFC 1757) RS232 (RFC 1659) Interfaces (RFC 2233) MAU MIB (RFC 2239) Ether-like MIB (RFC 2665) MAU MIB (RFC 2668) T er[...]

Switch 4400 PWR (24-po rt) 79 Switch 4400 PWR (24-port) Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 295 mm (11.4 in.) Weight: 4.4 kg (9.7 lbs) Environmental Requirements Operating Temperature 0 ° to 40 °C (32 ° to 104 °F) Storage Temperature –20 ° to +70 °C (-4 ° to 158 °F) Operating Humidity 10–95% r[...]

80 A PPENDIX C: T ECHNICAL S PECIFICATIONS Switch 4400 (48-port) Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.) Weight: 3.2 kg (7.1 lbs) Environmental Requirements Operating Temperature 0 ° to 40 °C (32 ° to 104 °F) Storage Temperature –40 ° to +70 °C (-40 ° to 158 °F) Operating Humidity [...]

Switch 4400 FX 81 Switch 4400 FX Standards Supported SNMP SNMP protocol (RFC 1157) MIB-II (RFC 1213) Bridge MIB (RFC 1493) RMON MIB II (RFC 2021) Remote Monitoring MIB (RFC 1757) MAU MIB (RFC 2239) MIB II Traps (RFC 1 215) RS232 (RFC 1659) Interfaces (RFC 2233) Ether-like MIB (RFC 2665) MAU MIB (RFC 2668) Bridge extensions (RFC 2674) T erminal Emul[...]

82 A PPENDIX C: T ECHNICAL S PECIFICATIONS (continued) Standards Supported SNMP SNMP protocol (RFC 1157) MIB-II (RFC 1213) Bridge MIB (RFC 1493) RMON MIB II (RFC 2021) Remote Monitoring MIB (RFC 1757) MAU MIB (RFC 2239) MIB II Traps (RFC 1 215) RS232 (RFC 1659) Interfaces (RFC 2233) Ether-like MIB (RFC 2665) MAU MIB (RFC 2668) Bridge extensions (RF[...]

D O BTAINING S UPPORT FOR YOUR P R ODUCT Register Y our Product to Gain Service Benefits T o take advantag e of warranty and ot her service benefits, you must first register your product at http://eSupport.3com.com/ . 3Com eSupport services are based on accounts that you cr eate or have authorization to access. First time users must apply for a use[...]

84 A PPENDIX D: O BTAINING S UPPORT FOR YOUR P RODUCT ■ Connection Assistant helps you inst all, configure and troubleshoot 3Com desktop and server NICs, wire less cards and Bluetooth devices. This diagnostic software is located at: http://www.3com.com/prodforms/softwa re/connection_assistan t/ca_thankyou.html Access Software Downloads Software U[...]

Telephone Technical Support and Repair 85 T o sen d a product dir ectly to 3Com for re pair , you must first obt ain a return authorization number (RMA). Products sent to 3Com, without authorization numbers clearly marked on the outside of the package, will be r etur ned to the sender unopened, at the sender’ s expense. If your product is r egist[...]

86 A PPENDIX D: O BTAINING S UPPORT FOR YOUR P RODUCT Latin America T elephon e T echnic al Support and Re pair Antigua Argentina Aruba Bahamas Barbados Belize Bermuda Bonaire Brazil Cayman Chile Colombia Costa Rica Curacao Ecuador Dominican Republic 1 800 988 2 112 0 810 444 3 COM 1 800 998 2 112 1 800 998 2 112 1 800 998 2 112 52 5 201 0010 1 800[...]

I NDEX 87 I NDEX Numbers 3C number 26 A access levels of default us ers 55 automatic setup 46 3Com Network Supervisor 46 console port 46 B browsers choosing 53 C cable choosing the correct 32 pin-outs 73 cascade cable 27 Cascade Extender Kit 27 Cascade Stacking Kit 27 CD-ROM 10 command line interface management 49 console port 19 conventions notice[...]

88 I NDEX IP addressing 59 LEDs 58 product name 26 R rack mounting a Swit ch 4400 25 Redundant Power System. See RPS related documentation 9 RPS 19 connecting 30 socket 19 S safety information English 66 French 6 8 German 70 serial number of the Switch 26 serial port. See console port Simple Network Management Protocol. See SNMP SNMP 54 SNMP manage[...]

R EGULATORY N OTICES FCC S TATEMENT This equipment has been tested and found to comply wi th the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection again st harmful interference when the equipment is operated in a co mmercial environment. This equipment generates, us[...]

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