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AT-8326GB Installation Guide

40

Collapsed

Backbone - Hub

Topology

In the topology illustrated in Figure 21, an AT-8326GB Fast Ethernet
switch is used to connect 10/100 Mbps Ethernet hubs. This type of
topology is often referred to as a collapsed backbone topology. The
switch functions as the focal point for all workgroup hubs in your
network by acting as a bridge between the different workgroups. The
switch transfers an Ethernet frame from hub to hub only when the
destination node for the frame is on a different hub than the node that
originated the frame. This reduces the amount of unnecessary data
traffic in each workgroup, freeing up bandwidth and improving network
performance.

Figure 21

Collapsed Backbone - Hub Topology

FAULT

PWR

AT-8326GB

24 + 2G Managed Switch

LNK/ACT

FDX/COL

GIGA

LNK/ACT

GIGA

FDX/COL

STACK ID

RS-232

5

4

3

2

1

6

7

8

5

4

3

2

1

6

7

8

5

4

3

2

1

6

7

8

Legend

10 Mbps

100 Mbps

AT-8326GB Fast
Ethernet Switch

Ethernet

Hubs

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Содержание AT-8326GB

Страница 1: ...Fast Ethernet Switch AT 8326GB K Installation Guide PN 613 50282 00 Rev A...

Страница 2: ...ied Telesyn Inc reserves the right to make changes in specifications and other information contained in this document without prior written notice The information provided herein is subject to change...

Страница 3: ...di sicurezza nella propria lingua Viktig Tillegg C inneholder oversatt sikkerhetsinformasjon for installering av dette utstyret N r du ser pner du til Tillegg C for finne den oversatte sikkerhetsinfor...

Страница 4: ...bit Interface Converter GBIC Slots 17 Stacking Ports 18 System LEDs 19 Stack ID LEDs 20 10 100 Mbps Port LEDs 21 10 100 1000 Mbps Port LEDs 22 Gigabit Connector LEDs 23 RS 232 Terminal Port 24 AC Powe...

Страница 5: ...Switch in a Rack 48 Installing an Optional GBIC Module 50 Creating a Switch Stack 52 Cabling the Switch 55 Powering On the Switch 58 Starting a Local Management Session 59 Warranty Registration 62 Ch...

Страница 6: ...e switch Chapter 2 Installation contains the installation instructions Chapter 3 Troubleshooting provides information on how to resolve common problems that might occur with the switch Appendix A Tech...

Страница 7: ...o highlight important information Note Notes provide additional information Warning Warnings inform you that performing or omitting a specific action may result in bodily injury Caution Cautions infor...

Страница 8: ...national products All documents are available as PDF files You can either view the documents online or download them onto a local workstation or server Once you have installed the switch refer to foll...

Страница 9: ...untries not listed here ring 31 20 711 4333 You can also contact Technical Support online at http kb alliedtelesyn com For Sales or Corporate Information Allied Telesyn Inc 19800 North Creek Parkway S...

Страница 10: ...ent software programs for our managed products To obtain a copy of an updated management program you can download the software either from our web site or our FTP server at ftp alliedtelesyn com To us...

Страница 11: ...ports with RJ 45 connectors G Auto MDI MDI X on all twisted pair ports G Auto Negotiation for speed and duplex mode IEEE 803 3u compliant G Two slots for Gigabit Interface Converter modules G Two sta...

Страница 12: ...Switch Figure 1 AT 8326GB Front Panel Figure 2 illustrates the back panel Figure 2 Back Panel FAULT PWR LNK ACT FDX COL GIGA LNK ACT GIGA FDX COL STACK ID RS 232 GBIC RS232 System and Port LEDs 10 100...

Страница 13: ...100 Mbps twisted pair ports and two 10 100 1000 Mbps twisted pair ports The features of the twisted pair ports are described below Type of Connector All of the twisted pair ports feature RJ 45 connect...

Страница 14: ...Category 5 5E 100 ohm shielded or unshielded twisted pair cabling is required Auto MDI All of the twisted pair ports on the switch are auto MDI and IEEE 802 3ab compatible They automatically configur...

Страница 15: ...Layout Table 1 lists the RJ 45 pin signals when a twisted pair port is operating in the MDI configuration Table 2 lists the RJ 45 port pin signals when a twisted pair port is operating in the MDI X co...

Страница 16: ...onnector pins and their signals when a 10 100 1000 Mbps twisted pair port is operating at 1000 Mbps Table 3 1000 Mbps Pin Signals Pin Pair Signal 1 1 TX and RX 2 1 TX and RX 3 2 TX and RX 4 2 TX and R...

Страница 17: ...e network such as high speed servers Figure 6 shows an example of a fiber optic GBIC module Figure 6 Example of a GBIC Module Note Ports 25 and 26 can each support only one medium type i e twisted pai...

Страница 18: ...y you can manage all of the switches as one unit G Stacking allows you to manage multiple switches from one management session All of the switches in a stack can be managed from one management session...

Страница 19: ...tch STACK ID System LEDs Table 4 System LEDs LED State Description PWR Green System power is ON OFF System power is OFF FAULT Green The switch or management software has malfunctioned Refer to Chapter...

Страница 20: ...s position in a switch stack Since you can stack up to six AT 8326GB switches there are six stack ID LEDs For instructions on how to create a switch stack refer to Creating a Switch Stack on page 52...

Страница 21: ...ions occurring on the port Table 5 describes the 10 100Base TX port LEDs FAULT PWR AT 8326GB 24 2G Managed Switch LNK ACT FDX COL GIGA LNK ACT GIGA FDX COL STACK ID Port LEDs Table 5 10 100 Mbps Port...

Страница 22: ...perating at 1000 Mbps speeds Table 6 describes the 10 100 1000 Mbps port LEDs Table 6 10 100 1000 Mbps Port LEDs LED State Description GIGA Steady Green A 1000 Mbps link with no activity Flashing Gree...

Страница 23: ...Ports 25 and 26 each have two connector LEDs on the front panel that indicate which connector type is being used for each port the RJ 45 or the GBIC The connector LEDs for each port are located to th...

Страница 24: ...h a terminal emulation program to the port Note You are not required to manage an AT 8326GB Fast Ethernet switch The default switch settings may be sufficient for your network in which case you can us...

Страница 25: ...r Connector The switch has a single AC power supply socket on the back panel which has autoswitch AC inputs Refer to the Technical Specifications on page 67 for the input voltage range To power ON or...

Страница 26: ...g parameters for a switch In some network environments the default settings might not need to be changed allowing you to use the switch as an unmanaged switch If you want to manage the switch and chan...

Страница 27: ...gement session Figure 14 Local Management Once the session has been established using manager as both the default login name and default password the management software s Main Menu is displayed on th...

Страница 28: ...session you simply enter the switch s IP address in the URL field of the web browser as shown in Figure 16 and enter manager as both the default login name and default password To manage an AT 8326GB...

Страница 29: ...2 1D standard compliant and supports the spanning tree protocol STP can be an important part of large networks where loops exist in the network topology A loop occurs when two or more nodes on your ne...

Страница 30: ...r other network resources can be shared among several VLANs without loss of data isolation or security G A VLAN can consist of ports limited to a single switch or ports from multiple switches This all...

Страница 31: ...he router where the node is located Any multicast packets belonging to that multicast group are then forwarded by the router out the port If a particular port on the router has no nodes that want to b...

Страница 32: ...e traffic being received and transmitted on a port on the switch by having the traffic copied to another switch port You can connect a network analyzer to the port functioning as the monitoring port t...

Страница 33: ...bered port on the switch should be connected to the next lowest numbered port on the other device and so on G The ports of a port trunk must be of the same type For example they can be all twisted pai...

Страница 34: ...so use port trunking to increase the bandwidth between switches The example in Figure 19 shows a port trunk of four data links between two AT 8326GB Fast Ethernet switches Figure 19 Port Trunk Example...

Страница 35: ...rned its maximum limit of MAC addresses it will discard any frames that it receives with a source MAC address not already learned and stored in the MAC address table This security level can prevent un...

Страница 36: ...d to the switch s ports and the port number where each address was learned When the switch receives a packet it also examines the destination address and by referring to its MAC address table determin...

Страница 37: ...to a new duplex mode setting for you If desired Auto Negotiation on the switch ports can be disabled so that you can set the duplex mode manually through the switch s management software Store and Fo...

Страница 38: ...s to stop a 100 Mbps half duplex end node from transmitting data it forces a collision on the data link which stops the end node Once the switch is ready to receive data again the switch stops forcing...

Страница 39: ...power workgroup topology Each workstation or node is connected directly to a port on an AT 8326GB Fast Ethernet switch giving each node a dedicated data link to the switch for best performance and re...

Страница 40: ...the different workgroups The switch transfers an Ethernet frame from hub to hub only when the destination node for the frame is on a different hub than the node that originated the frame This reduces...

Страница 41: ...IGA LNK ACT GIGA FDX COL STACK ID RS 232 FAULT PWR AT 8326GB 24 2GManagedSwitch LNK ACT FDX COL GIGA LNK ACT GIGA FDX COL STACK ID RS 232 FAULT PWR AT 8326GB 24 2GManagedSwitch LNK ACT FDX COL GIGA LN...

Страница 42: ...Installation Safety Precautions G Selecting a Site for the Switch G Required Cables G Unpacking the Switch G Installing the Switch on a Desktop G Installing the Switch in a Rack G Installing a GBIC Mo...

Страница 43: ...ger Do not work on this equipment or cables during periods of lightening activity 9 Warning Power cord is used as a disconnection device To de energize equipment disconnect the power cord 10 Warning E...

Страница 44: ...unit and should be easily accessible G The site should allow for easy access to the ports on the front of the switch This will make it easy for you to connect and disconnect cables as well as view th...

Страница 45: ...ugh or cross over cable Note For cabling specifications for an optional GBIC module refer to the GBIC Installation Guide included with the module Table 7 Media Types and Distances Speed Category Maxim...

Страница 46: ...he switch on a level secure surface 3 Make sure the following hardware components are included in your switch package Ifanyitemismissingordamaged contactyourAllied Telesyn sales representative for ass...

Страница 47: ...l the switch on a desktop or table If you would prefer to install the switch in a rack go to the next procedure 1 Place the unit upside down on a level secure surface 2 Remove the adhesive tabs from t...

Страница 48: ...f you are not installing the switch in a rack go to the next procedure 1 Attach a rack mounting bracket to one side of the switch using four of the screws that came with the switch See Figure 23 Figur...

Страница 49: ...AT 8326GB Installation Guide 49 3 Mount the switch in a19 inch rack using standard screws not provided Figure 24 Installing the Switch in a Rack RS232 FAULT PWR AT 8326GB 24 2G Managed Switch STACK ID...

Страница 50: ...You must use the original shipping material if you need to return the module to Allied Telesyn Warning A GBIC module can be damaged by static electricity Be sure to observe all standard electrostatic...

Страница 51: ...BIC modules for the switch repeat this procedure to install the second module Note In order to use a GBIC module in Port 25 or 26 you must configure the port in the management software to operate as a...

Страница 52: ...management software select the switch that has the most recent version of the AT S41 management software as the master switch Note During network operations the master switch will overwrite the AT S41...

Страница 53: ...o switches connected with one LVDS cable between the STACK OUT port on the master switch and the STACK IN port on the slave switch Figure 26 Stack of Two Switches with LVDS Cable STACK IN STACK OUT 10...

Страница 54: ...ates a stack of six switches Figure 27 A Stack of Six Switches Note Never add or remove an LDVS cable when the switches are powered ON STACK IN STACK OUT STACK IN STACK OUT STACK IN STACK OUT STACK IN...

Страница 55: ...into place G Do not connect a port on the switch to a phone jack Doing so can damage the switch G Since the RJ 45 ports on the switch are auto MDI MDI X you can use either straight through or cross o...

Страница 56: ...rk performance For instructions on how to configure a port trunk refer to the AT S41 Management Software User s Guide 2 If you installed an optional GBIC module remove the dust cover from the GBIC por...

Страница 57: ...iber optic port are compatible with the GBIC module For example you cannot connect a fiber optic GBIC module with a maximum distanceof40kilometersand anoperating wavelength of 1550 nanometers nm to a...

Страница 58: ...time Warning The power cord is used as a disconnection device To de energize equipment disconnect the power cord 10 As power is applied to the switch the Fault LED shown in Figure 31 flashes briefly a...

Страница 59: ...ent session perform the following procedure 1 Connect one end of the null modem management cable to the RS 232 Terminal Port on the front panel of the master switch as shown in Figure 32 Figure 32 Con...

Страница 60: ...nal or an equivalent terminal emulation program When the terminal session starts it displays the management software s login prompt shown in Figure 34 Enter the login name and password The default log...

Страница 61: ...he management interface For instructions refer to the AT S41 Management Software User s Guide This guide is available from the Allied Telesyn web site at www alliedtelesyn com AT 8326GB Local Manageme...

Страница 62: ...de 62 Warranty Registration When you have finished installing the switch register your product by completing the enclosed warranty card and sending it in or by visiting our web site and completing the...

Страница 63: ...LED is OFF indicating that the unit is not receiving power do the following G Make sure thatthepower cord is securely connected tothepower source and to the AC connector on the back panel of the swit...

Страница 64: ...into place G VerifythattheendnodeconnectedtotheportispoweredONand is operating properly G Check that the fiber optic cable is securely connected to the port on the switch and to the port on the end no...

Страница 65: ...the right of the GBIC slot will turn green G Verify that the remote fiber optic port is operating at 1000 Mbps and in full duplex mode The 1000 Mbps operating speed of a GBIC module is fixed and cann...

Страница 66: ...or personal computer G Check to be sure that you are using the null modem management cable included with the switch G Check to be sure that the operating parameters on the terminal or the terminal em...

Страница 67: ...2 0 in Environmental Specifications Operating Temperature 0 C to 40 C 32 F to 104 F Storage Temperature 20 C to 70 C 4 F to 158 F Operating Humidity 10 to 90 non condensing Storage Humidity 10 to 95 n...

Страница 68: ...s MTTR 1 hr DOA 0 5 Standards IEEE 802 3 10Base T Ethernet IEEE 802 3u 100Base TX Ethernet IEEE 802 3z 1000Base X Gigabit Ethernet IEEE 802 3ab 1000Base T Twisted Pair Gigabit Ethernet IEEE 802 1d Spa...

Страница 69: ...Snooping Disabled System Name None MAC Aging Time 300 seconds Spanning Tree Protocol Status Disabled Bridge Priority 32768 Bridge Max Age Time 20 Bridge Hello Time 2 Bridge Forwarding Delay 15 Twisted...

Страница 70: ...ort based and Tagged VLANs Enabled Default VLAN Name Default VLAN all ports VID 1 RS 232 Terminal Port Emulation Mode VT100 Data Bits 8 Stop Bits 1 Parity None Flow Control None Data Rate 9600 bps Key...

Страница 71: ...annexe contient la traduction en plusieurs langues des instructions de s curit figurant dans ce guide T rke T m liite sis lt t ss oppaassa esiintyv t turvaohjeet usealla kielell Importante questa app...

Страница 72: ...T THIS EQUIPMENT MUST BE EARTHED Power plug must be connected to a properly wired earth ground socket outlet An improperly wired socket outlet could place hazardous voltages on accessible metal parts...

Страница 73: ...ANNUNG Das Geh use nicht ffnen Das Ger t enth lt keine vom Benutzer wartbaren Teile Das Ger t steht unter Hochspannung und darf nur von qualifiziertem technischem Personal ge ffnet werden Vor Anschlu...

Страница 74: ...undg risiko for ELEKTRISK ST D afbrydes den elektriske str m til produktet f r LAN kablerne monteres eller afmonteres 9 FARE UNDER UVEJR FARE UNDLAD at arbejde p udstyr eller KABLER i perioder med LY...

Страница 75: ...ELEKTRISCHE SCHOKKEN te vermijden moet u het toestel van de stroombron ontkoppelen alvorens de LAN kabels te koppelen of ontkoppelen 9 GEVAAR VOOR BLIKSEMINSLAG GEVAAR NIET aan toestellen of KABELS WE...

Страница 76: ...nt qualifi Pour viter tout risque d LECTROCUTION d brancher le mat riel avant de connecter ou de d connecter les c bles LAN 9 DANGER DE FOUDRE DANGER NE PAS MANIER le mat riel ou les C BLES lors d act...

Страница 77: ...V ltt ksesi S HK ISKUN mahdollisuuden katkaise s hk virta tuotteeseen ennen kuin liit t tai irrotat paikallisverkon LAN kaapelit 9 SALAMANISKUVAARA HENGENVAARA L TY SKENTELE laitteiden tai KAAPELEIDE...

Страница 78: ...interrompere l alimentazione del dispositivo prima di collegare o staccare i cavi LAN 9 PERICOLO DI FULMINI PERICOLO NON LAVORARE sul dispositivo o sui CAVI durante PRECIPITAZIONI TEMPORALESCHE 10 AT...

Страница 79: ...aglig kvalifisert tekniker For unng ELEKTRISK SJOKK m den elektriske str mmen til produktet v re avsl tt f r LAN kablene til eller frakobles 9 FARE FOR LYNNEDSLAG FARE ARBEID IKKE p utstyr eller KABLE...

Страница 80: ...nergia el trica antes de conectar e desconectar os cabos da LAN 9 PERIGO DE CHOQUE CAUSADO POR RAIO PERIGO N O TRABALHE no equipamento ou nos CABOS durante per odos suscet veis a QUEDAS DE RAIO 10 CUI...

Страница 81: ...trica que llega al producto antes de conectar o desconectar los cables LAN 9 PELIGRO DE RAYOS PELIGRO NO REALICE NINGUN TIPO DE TRABAJO O CONEXION en los equipos o en LOS CABLES durante TORMENTAS ELEC...

Страница 82: ...RISK ST T koppla ifr n produktens str manslutning innan LAN kablarna ansluts eller kopplas ur 9 FARA F R BLIXTNEDSLAG FARA ARBETA EJ p utrustningen eller kablarna vid SKV DER 10 VARNING N TKABELN ANV...

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