Page 3 - ONTENTS
C ONTENTS A BOUT T HIS G UIDE Conventions 8 Related Documentation 9 Year 2000 Compliance 10 Documentation Comments 10 1 I NTRODUCING THE S WITCH 1100 About the SuperStack II Switch 1100 12 Summary of Features 12 Switch 1100 — Front View Detail 13 Port Connections 13 LEDs 14 Switch 1100 — Rear View D...
Page 5 - EMC S
v G LOSSARY I NDEX 3C OM C ORPORATION L IMITED W ARRANTY EMC S TATEMENTS 16950ua.bk Page v Thursday, April 29, 1999 1:28 PM
Page 7 - II Switch 1100 unit with default settings. If you want to
A BOUT T HIS G UIDE This guide provides all the information you need to install and use a SuperStack ® II Switch 1100 unit with default settings. If you want to change the way the Switch works using management software, refer to the “SuperStack II Switch Management Guide” (part number DUA1695-0BAA0x...
Page 8 - Conventions; Table 1; Notice Icons; Table 2; Text Conventions; Screen displays; Commands
8 A BOUT T HIS G UIDE Conventions Table 1 and Table 2 list conventions that are used throughout this guide. Table 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 o...
Page 9 - Related Documentation; SuperStack II Switch Help; Words in; Convention
Related Documentation 9 Related Documentation In addition to this guide, each Switch 1100 document set includes the following: ■ Management Guide (Part Number DUA1695-0BAA0x) This guide contains all the management information for the Switch. ■ Quick Reference Guide (Part Number DQA1695-0AAA0x) This ...
Page 12 - Summary of Features
12 C HAPTER 1: I NTRODUCING THE S WITCH 1100 About the SuperStack II Switch 1100 The SuperStack ® II system solves the problem of growth in dynamic network environments and provides everything you need for successful workgroup networking. Much more than a collection of stackable components, the syst...
Page 13 - Switch 1100 — Front View Detail; Figure 1; Port Connections; “Choosing the Correct Cables”
Switch 1100 — Front View Detail 13 Switch 1100 — Front View Detail Figure 1 Switch 1100 — Front view Port Connections 10BASE-T Ports The Switch has 12 or 24 10BASE-T ports configured as MDIX (cross-over). The maximum segment length is 100m (328ft) over Category 3, 4, or 5 twisted pair cable. As thes...
Page 14 - LEDs; Table 3; LED behavior; Port Status LEDs
14 C HAPTER 1: I NTRODUCING THE S WITCH 1100 LEDs Table 3 lists the LEDs visible on the front of the Switch, and their states according to color. For information on using the LEDs for problem solving, see “Checking for Correct Operation” on page 29. Table 3 LED behavior LED Color Indicates TCVR Yell...
Page 15 - Switch 1100 — Rear View Detail; Figure 2; “Connecting a Redundant Power System”
Switch 1100 — Rear View Detail 15 Switch 1100 — Rear View Detail Figure 2 Switch 1100 — Rear view Unit Information Label This label shows the following: ■ The 3Com product name of the Switch ■ The 3Com 3C number of the Switch ■ The unique MAC address (Ethernet address) of the Switch ■ The serial num...
Page 16 - Expansion Module; “Stacking Units”; Transceiver Module; The matrix port allows you to:
16 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Expansion Module Slot You can use this slot to install an Expansion Module; for example, a 100BASE-FX Module that provides an additional high-speed link, or a Matrix Module that provides four matrix ports for stacking Switch units together. 3Com provides ...
Page 17 - Network Configuration Examples; Network; Figure 3; Using the Switch 1100 to segment your network
Network Configuration Examples 17 Network Configuration Examples The following illustrations show some examples of how the Switch can be placed on your network. Network Segmentation I Figure 3 shows how the Switch 1100 fits into a large corporate network with a Fast Ethernet infrastructure. A Switch...
Page 18 - Figure 4
18 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Network Segmentation II Figure 4 shows the Switch 1100 in a second workgroup situation. This setup could be that of a small office within a large corporation, or part of a larger corporate network. Most of the switch ports have multiple endstations. Figur...
Page 19 - Desktop Switching; Figure 5; Using the Switch 1100 in a desktop environment
Network Configuration Examples 19 Desktop Switching Figure 5 shows the Switch 1100 used for a group of users in a large corporate network. Here switching is brought to the desktop with a single endstation per port. Local servers are connected via 100Mbps Fast Ethernet links. Figure 5 Using the Switc...
Page 20 - Figure 6; Fast Ethernet configuration rules
20 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Configuration Rules for Fast Ethernet The topology rules for 100Mbps Fast Ethernet are slightly different to those for 10Mbps Ethernet. Figure 6 illustrates the key topology rules and provides examples of how they allow for large-scale Fast Ethernet netwo...
Page 21 - Configuration Rules with Full Duplex; The key topology rules are:
Configuration Rules with Full Duplex 21 The key topology rules are: ■ Maximum UTP cable length is 100m (328ft) over 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)...
Page 23 - Before installing or removing any
2 I NSTALLING THE S WITCH This chapter contains the information you need to install and set up the Switch. It covers the following topics: ■ Choosing a Suitable Site ■ Rack-mounting ■ Placing Units On Top of Each Other ■ Stacking Units ■ The Power-up Sequence ■ Choosing the Correct Cables ■ Solving ...
Page 24 - “Configuration Rules for Fast Ethernet”
24 C HAPTER 2: I NSTALLING THE S WITCH Choosing a Suitable Site The Switch is suited for use in an office environment where it can be mounted in a standard 19-inch equipment rack, or free standing. Alternatively, the Switch can be rack-mounted in a wiring closet or equipment room. A rack-mounting ki...
Page 25 - Placing Units On Top of Each Other; Figure 7; Fitting a bracket for rack mounting; Insert the three screws and tighten with a suitable screwdriver.
Placing Units On Top of Each Other 25 Figure 7 Fitting a bracket for rack mounting 3 Insert the three screws and tighten with a suitable screwdriver. You must use the screws supplied with the mounting brackets. Damage caused to the unit by using incorrect screws invalidates your warranty. 4 Repeat s...
Page 26 - Stacking Units; Stacking Two Units; “Placing Units On Top of Each
26 C HAPTER 2: I NSTALLING THE S WITCH Stacking Units Units in the Switch 1100/3300 family can be stacked together and then treated as a single manageable unit with one IP address. You can stack Switch units together in two ways: ■ The matrix port on the rear of the Switch allows you to connect two ...
Page 27 - Figure 8; A stack of two units; Stacking Up To Four; You only need one Matrix Module for each stack.
Stacking Units 27 Figure 8 A stack of two units Stacking Up To Four Units You can stack up to four Switch units with a single SuperStack II Switch Matrix Module and the appropriate number of Matrix Cables. You only need one Matrix Module for each stack. To stack up to four Switch units: 1 Power-off ...
Page 28 - If you use the management software of the units:; Figure 9; A stack of units with a Matrix Module
28 C HAPTER 2: I NSTALLING THE S WITCH 5 If you use the management software of the units: ■ Ensure that all the units have the same version of management software ■ Ensure that you re-configure the stack-wide features on all the units For more information about management software, see “Managing the...
Page 29 - The Power-up Sequence; Connecting a; The Switch can only use a SuperStack II Advanced; Checking for Correct; Table 4
The Power-up Sequence 29 The Power-up Sequence The following sections describe how to get your Switch 1100 powered-up and ready for operation. Connecting a Redundant Power System You can connect a SuperStack II Advanced Redundant Power System (part number 3C16071) to the Switch. This unit, which is ...
Page 30 - If there is evidence of a problem, see; Connecting other devices to the Switch 1100; LED colors; Green
30 C HAPTER 2: I NSTALLING THE S WITCH If there is evidence of a problem, see “Solving Problems Indicated by LEDs” on page 31 . Choosing the Correct Cables All of the ports on the front of the Switch 1100 are configured as MDIX (cross-over). If you want to make a connection to another MDIX port, you...
Page 31 - Solving Problems Indicated by LEDs; If the LEDs on the Switch indicate a problem, refer to; Table 5; Problems indicated by LEDs; All connections are secure.
Solving Problems Indicated by LEDs 31 Solving Problems Indicated by LEDs If the LEDs on the Switch indicate a problem, refer to Table 5 which contains a list of possible problems and suggested solutions. Table 5 Problems indicated by LEDs Problem Suggested Solution A Power LED does not light Check t...
Page 32 - management software
32 C HAPTER 2: I NSTALLING THE S WITCH For information about solving problems when managing the Switch, refer to the Problem Solving chapter in the “SuperStack II Switch Management Guide” (DUA1695-0BAA0x). Managing the Switch The Switch contains software that allows you to change and monitor the way...
Page 33 - Warnings contain directions that you must follow for your
A S AFETY I NFORMATION You must read the following safety information before carrying out any installation or removal of components, or any maintenance procedures on the Switch 1100. WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully.Y...
Page 34 - The cord set must be UL-approved and CSA certified.
34 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 unit in a stack with SuperStack II Hub units, the Switch 1100 unit must be installed below the narrower Hub units. ■ Th...
Page 35 - Important Safety Information; Advanced Redundant Power System (3C16071)
Important Safety Information 35 ■ France and Peru only:This unit cannot 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 connection point labelled Neutral, connected directly to earth (g...
Page 36 - calibre 18 AWG
36 A PPENDIX A: S AFETY I NFORMATION L’information de Sécurité Importante ■ L'installation et la dépose de ce groupe doivent être confiés à un personnel qualifié. ■ Si vous entassez l'unité Switch avec les unités SuperStack II Hub, l'unité Switch 1100 doit être installée en dessous des unités Hub pl...
Page 37 - L’information de Sécurité Importante; Branchez uniquement un
L’information de Sécurité Importante 37 ■ L’appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à la norme CEI 950. Ces conditions ne sont maintenues que si l'équipement auquel il est raccordé fonctionne dans les mêmes conditions. ■ France et Pérou uniquement:Ce groupe n...
Page 38 - Nur ein; WARNHINWEIS; Dies sind abgeschirmte
38 A PPENDIX A: S AFETY I NFORMATION Wichtige Sicherheitsinformationen ■ Die Installation und der Ausbau des Geräts darf nur durch Fachpersonal erfolgen. ■ Wenn die Switch 1100 Einheit in einer Stapel mit anderen SuperStack II Hub Einheiten eingebaut werden soll, muß die Switch 1100 Einheit unter di...
Page 39 - Null Modem Cable
B P IN - OUTS Null Modem Cable 9-pin to RS-232 25-pin PC-AT Serial Cable 9-pin to 9-pin 16950ua.bk Page 39 Thursday, April 29, 1999 1:28 PM
Page 40 - Modem Cable; Table 6; Pin assignments; Ports configured as MDI
40 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 100BASE-TX RJ45 connectors Table 6 Pin assignments Pin Number Signal Function Ports configured as MDI 1 TxData + Transmit data 2 TxData – Transmit data 3 RxData + Receiv...
Page 42 - Standards Supported; Terminal Emulation
42 A PPENDIX C: T ECHNICAL S PECIFICATIONS Standards Supported SNMP SNMP protocol (RFC 1157) MIB-II (RFC 1213) Bridge MIB (RFC 1493) Repeater MIB (RFC 1516) VLAN MIB (RFC 1573) RMON MIB (RFC 1271) BOOTP (RFC 951) Terminal Emulation ■ Telnet (RFC 854) Protocols Used for Administration ■ UDP (RFC 768)...
Page 43 - World Wide Web Site
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 recent information, 3Com recommends that you access the 3Com ...
Page 44 - Com FTP Site; anonymous; Com Bulletin Board; Country
44 A PPENDIX D: T ECHNICAL S UPPORT 3Com FTP Site Download drivers, patches, software, and MIBs across the Internet from the 3Com public FTP site. This service is available 24 hours a day, 7 days a week. To connect to the 3Com FTP site, enter the following information into your FTP client: ■ Hostnam...
Page 45 - Support from Your Network Supplier; Access by Digital Modem; Call 3Com Facts using your Touch-Tone telephone:; Support from 3Com
Support from Your Network Supplier 45 Access by Digital Modem ISDN users can dial in to the 3Com BBS using a digital modem for fast access up to 64 Kbps. To access the 3Com BBS using ISDN, call the following number: 1 847 262 6000 3Com Facts Automated Fax Service The 3Com Facts automated fax service...
Page 46 - Product model name, part number, and serial number; From the following countries, you may use the toll-free numbers:
46 A PPENDIX D: T ECHNICAL S UPPORT When you contact 3Com for assistance, have the following information ready: ■ Product model name, part number, and serial number ■ A list of system hardware and software, including revision levels ■ Diagnostic error messages ■ Details about recent configuration ch...
Page 47 - Returning Products for Repair; To obtain an authorization number, call or fax:; Latin America
Returning Products for Repair 47 Returning Products for Repair Before you send a product directly to 3Com for repair, you must first obtain an authorization number. Products sent to 3Com without authorization numbers will be returned to the sender unopened, at the sender’s expense. To obtain an auth...
Page 49 - LOSSARY; backbone; line speed; bridge; A packet sent to all devices on a network.
G LOSSARY 10BASE-T The IEEE specification for 10Mbps Ethernet over Category 3, 4 or 5 twisted pair cable. 100BASE-FX The IEEE specification for 100Mbps Fast Ethernet over fiber-optic cable. 100BASE-TX The IEEE specification for 100Mbps Fast Ethernet over Category 5 twisted-pair cable. auto-negotiati...
Page 50 - A computer, printer or server that is connected to a network.
50 G LOSSARY broadcast storm 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 network devices. collision A term used to describe two colliding packets in an Ethernet network. Collisions a...
Page 51 - Netware
G LOSSARY 51 hub A device that regenerates LAN traffic so that the transmission distance of that signal can be extended. Hubs are similar to repeaters, in that they connect LANs of the same type; however they connect more LANs than a repeater and are generally more sophisticated. IEEE Institute of E...
Page 52 - A packet sent to a specific group of endstations on a network.
52 G LOSSARY MAC address Media Access Control address; also called hardware or physical address. A layer 2 address associated with a particular network device. Most devices that connect to a LAN have a MAC address assigned to them as they are used to identify other devices in a network. MAC addresse...
Page 53 - A packet sent to a single endstation on a network.
G LOSSARY 53 SNMP Simple Network Management Protocol. The current IETF standard protocol for managing devices on an TCP/IP network. stack A group of network devices that are integrated to form a single logical device. switch A device that interconnects several LANs to form a single logical LAN that ...
Page 55 - NDEX; Numbers; See
I NDEX Numbers 10BASE-T ports 1310BASE-T/100BASE-TX ports 133C number 153Com bulletin board service (3Com BBS) 443Com Knowledgebase Web Services 433Com URL 433ComFacts 45 A auto-negotiating ports 13 B bulletin board service 44 C cable choosing the correct 30Matrix 16maximum length 13, 21pin-outs 39 ...
Page 57 - Com Corporation L; IMITED; II S; WITCH
3Com Corporation L IMITED W ARRANTY S UPER S TACK ® II S WITCH 1100 H ARDWARE 3Com warrants this hardware product to be free from defects in workmanship and materials, under normal use and service, for the following length of time from the date of purchase from 3Com or its authorized reseller: 3Com’...
Page 59 - TATEMENTS; FCC S
EMC S TATEMENTS 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 provide reasonable protection against harmful interference when the equipment is operated in a commercial...