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T

ROUBLESHOOTING

A-4

Stack Troubleshooting

If a stack fails to initialize or function, first check the following items:

•

Check that all stacking cables are properly connected.

•

Check if any stacking cables appear damaged.

•

Check that only one Stack Master button is pressed in.

•

Check that all switches in the stack are powered on.

After checking all items, reboot all the switches in the stack.

The switches allow you to configure ring- or line-topology stacking. When
using ring-topology stacking configuration and a switch fails, or a stacking
cable is disconnected, the entire stack reboots and resumes normal
operation using line-topology stacking through the remaining stack
connections. Also, any changes to the stack including powering down a
unit or inserting a unit causes the stack to reboot.

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Summary of Contents for 8724ML3 FICHE

Page 1: ... Tree Protocol RSTP and MSTP Up to 32 LACP or static 8 port trunks Layer 2 3 4 CoS support through eight priority queues Layer 3 4 traffic priority with IP Precedence and IP DSCP Full support for VLANs with GVRP IGMP multicast filtering and snooping Support for jumbo frames up to 9 KB Manageable via console Web SNMP RMON Security features ACL RADIUS 802 1x Routing features IP RIP routing OSPF VRRP...

Page 2: ......

Page 3: ...38 Tesla Irvine CA 92618 Phone 949 679 8000 TigerStack 1000 Installation Guide From SMC s Tiger line of feature rich workgroup LAN solutions May 2005 Pub 149100023600A ...

Page 4: ...ted by implication or otherwise under any patent or patent rights of SMC SMC reserves the right to change specifications at any time without notice Copyright 2005 by SMC Networks Inc 38 Tesla Irvine CA 92618 All rights reserved Printed in Taiwan Trademarks SMC is a registered trademark and EZ Switch TigerStack and TigerSwitch are trademarks of SMC Networks Inc Other product and company names are t...

Page 5: ...ncorporates these newer technologies At that point the obsolete product is discontinued and is no longer an Active SMC product A list of discontinued products with their respective dates of discontinuance can be found at http www smc com index cfm action customer_service_warranty All products that are replaced become the property of SMC Replacement products may be either new or reconditioned Any r...

Page 6: ...IRE LIGHTNING OR OTHER HAZARD LIMITATION OF LIABILITY IN NO EVENT WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE SHALL SMC BE LIABLE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE LOSS OF BUSINESS OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS...

Page 7: ...tions Category 3 or greater for 10 Mbps connections Category 5 or better for 100 Mbps connections and Category 5 or 5e for 1000 Mbps connections Use 50 125 or 62 5 125 micron multimode fiber optic cable or 9 125 micron single mode cable for fiber optic transceiver connections Warnings 1 Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge when handling...

Page 8: ...s A for harmonic current emission according to EN 61000 3 2 1995 Limitation of voltage fluctuation and flicker in low voltage supply system according to EN 61000 3 3 1995 Immunity Product family standard according to EN 55024 1998 Electrostatic Discharge according to EN 61000 4 2 1995 Contact Discharge 4 kV Air Discharge 8 kV Radio frequency electromagnetic field according to EN 61000 4 3 1996 80 ...

Page 9: ...nnection The appliance coupler the connector to the unit and not the wall plug must have a configuration for mating with an EN 60320 IEC 320 appliance inlet The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet When using a fiber optic port never look at the transmit laser while it is powered on Also...

Page 10: ...S A and Canada The cord set must be UL approved and CSA certified The minimum specifications for the flexible cord are No 18 AWG not longer than 2 meters or 16 AWG Type SV or SJ 3 conductor The cord set must have a rated current capacity of at least 10 A The attachment plug must be an earth grounding type with NEMA 5 15P 15 A 125 V or NEMA 6 15P 15 A 250 V configuration Denmark The supply plug mus...

Page 11: ...0 Ces conditions ne sont maintenues que si l équipement auquel il est raccordé fonctionne dans les mêmes conditions France et Pérou uniquement Ce groupe ne peut pas être alimenté par un dispositif à impédance à la terre Si vos alimentations sont du type impédance à la terre ce groupe doit être alimenté par une tension de 230 V 2 P T par le biais d un transformateur d isolement à rapport 1 1 avec u...

Page 12: ...tzkabels aus der Netzsteckdose unterbrochen werden Der Betrieb dieses Geräts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gemäß IEC 60950 Diese Bedingungen sind nur gegeben wenn auch die an das Gerät angeschlossenen Geräte unter SELV Bedingungen betrieben werden Suisse La prise mâle d alimentation doit respecter la norme SEV ASE 1011 Europe La prise secteur doit être conforme aux ...

Page 13: ...ptic cable The lasers are compliant with the requirements of a Class 1 Laser Product and are inherently eye safe in normal operation However you should never look directly at a transmit port when it is powered on Caution Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge when handling this equipment Caution Do not plug a phone jack connector in the R...

Page 14: ...ed characteristics and how to install the switch Audience The guide is intended for use by network administrators who are responsible for installing and setting up network equipment consequently it assumes a basic working knowledge of LANs Local Area Networks Diese Anleitung ist für die Benutzung durch Netzwerkadministratoren vorgesehen die für die Installation und das einstellen von Netzwerkkompo...

Page 15: ...Modules 1 8 Extender Module LEDs 1 8 Features and Benefits 1 9 Connectivity 1 9 Expandability 1 9 Performance 1 9 Management 1 10 2 Network Planning 2 1 Introduction to Switching 2 1 Application Examples 2 2 Collapsed Backbone 2 2 Network Aggregation Plan 2 3 Remote Connections with Fiber Cable 2 4 Making VLAN Connections 2 5 Using Layer 3 Routing 2 6 Application Notes 2 7 3 Installing the Switch ...

Page 16: ...rial Cable 3 14 4 Making Network Connections 4 1 Connecting Network Devices 4 1 Twisted Pair Devices 4 1 Cabling Guidelines 4 1 Connecting to PCs Servers Hubs and Switches 4 2 Network Wiring Connections 4 3 Fiber Optic SFP Devices 4 4 10 Gbps Fiber Optic Connections 4 5 Connectivity Rules 4 7 1000BASE T Cable Requirements 4 7 10 Gbps Ethernet Collision Domain 4 7 4 8 1000 Mbps Gigabit Ethernet Col...

Page 17: ... 1 10BASE T 100BASE TX Pin Assignments B 2 Straight Through Wiring B 3 Crossover Wiring B 4 1000BASE T Pin Assignments B 5 Cable Testing for Existing Category 5 Cable B 5 Adjusting Existing Category 5 Cabling to Run 1000BASE T B 6 Fiber Standards B 6 C Specifications C 1 Physical Characteristics C 1 Switch Features C 3 Management Features C 3 Standards C 4 Compliances C 4 Extender Modules C 5 10G ...

Page 18: ...4 Maximum 1000BASE T Gigabit Ethernet Cable Length 4 8 Table 4 5 Maximum 1000BASE SX Fiber Optic Cable Length 4 8 Table 4 6 Maximum 1000BASE LX Fiber Optic Cable Length 4 8 Table 4 7 Maximum 1000BASE ZX Fiber Optic Cable Length 4 9 Table 4 8 Maximum Fast Ethernet Cable Length 4 9 Table 4 9 Maximum Ethernet Cable Length 4 9 Table A 1 Troubleshooting Chart A 1 Table A 2 Power RPU LEDs A 2 Table B 1 ...

Page 19: ...re 3 2 Attaching the Brackets 3 5 Figure 3 3 Installing the Switch in a Rack 3 5 Figure 3 4 Attaching the Adhesive Feet 3 7 Figure 3 5 Installing an Optional Module 3 8 Figure 3 6 Inserting an SFP Transceiver into a Slot 3 9 Figure 3 7 Making Stacking Connections 3 11 Figure 3 8 Power Socket 3 13 Figure 3 9 Serial Port DB 9 DTE Pin Out 3 14 Figure 4 1 Making Twisted Pair Connections 4 2 Figure 4 2...

Page 20: ...FIGURES xvi ...

Page 21: ... a 40 Gbps stack backplane The switch includes an SNMP based management agent embedded on the main board which supports both in band and out of band access for managing the stack These switches can easily tame your network with full support for Spanning Tree Protocol Multicast Switching Virtual LANs and IP routing It brings order to poorly performing networks by segregating them into separate broa...

Page 22: ...ively doubles the bandwidth of each connection For communications between different VLANs these switches use IP routing For communications within the same VLAN they use store and forward switching to ensure maximum data integrity With store and forward switching the entire packet must be received into a buffer and checked for validity before being forwarded This prevents errors from being propagat...

Page 23: ...or you can manage the switch through a network connection in band using Telnet the on board web agent or SNMP based network management software For a detailed description of both switches advanced features refer to the Management Guide Description of Hardware 10 100 1000BASE T Ports The switches contain 24 48 RJ 45 ports that operate at 10 Mbps or 100 Mbps half or full duplex or at 1000 Mbps full ...

Page 24: ...he associated RJ 45 port is disabled and cannot be used The switch can also be configured to force the use of an RJ 45 port or SFP slot as required Stacking Ports Each unit includes two stacking ports that provide a 40 Gbps high speed serial stack backplane connection Up to eight SMC8724ML3 or SMC8748ML3 switches can be connected together using optional stacking cables Note that the 24 port and 48...

Page 25: ...ing are shown below and described in the following tables Figure 1 3 Port LEDs Table 1 1 Port Status LEDs LED Condition Status 1 24 1 48 Link Activity On Flashing Amber Port has a valid link at 10 or 100 Mbps Flashing indicates activity On Flashing Green Port has a valid link at 1000 Mbps Flashing indicates activity Off There is no link on the port 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 14 13 16 1...

Page 26: ...ystem self diagnostic test successfully completed Amber System self diagnostic test has detected a fault RPU Green Redundant power unit is receiving power Amber Fault in redundant power unit Off Redundant power unit is off Stack Master Green Switch is operating as the Master unit in the stack Amber Switch is operating as a Slave unit in the stack Flashing Amber System in Master arbitration electio...

Page 27: ...dant Power Unit RPU Figure 1 5 Power Supply Sockets Stack Link Green Uplink and downlink operating normally Flashing Green Uplink has failed Flashing Amber Downlink has failed Off No stacking link present Module Green An expansion module is installed in the slot Flashing green An installed expansion module has been disabled Off There is no module installed Stack ID 1 8 Indicates the switch stack I...

Page 28: ... slide in 10G module includes its own integrated LED indicators on the module panel The following table describes the LEDs Table 1 3 Module LEDs LED Condition Status Link Activity On Flashing Green Port has a valid link at 10 Gbps Flashing indicates activity Off There is no link on the port Diag Flashing Green System self diagnostic test in progress Green System self diagnostic test successfully c...

Page 29: ...Category 3 or better for 10 Mbps connections Category 5 or better for 100 Mbps connections and Category 5 5e 6 or better for 1000 Mbps connections IEEE 802 3 2002 Ethernet Fast Ethernet Gigabit Ethernet and IEEE 802 3ae 10 Gigabit Ethernet compliance ensures compatibility with standards based hubs network cards and switches from any vendor Provides stacking capability via high speed serial ports w...

Page 30: ...uting for inter VLAN traffic Supports wire speed switching at layer 2 and wire speed routing at layer 3 Broadcast storm control Management At a glance LEDs for easy troubleshooting Network management agent Manages switch or entire stack in band or out of band Supports console Telnet SSH SNMP v1 v2c v3 RMON 4 groups and web based interface Slave units provide backup stack management ...

Page 31: ...xperiencing congestion server power user or hub can be attached directly to a switched port And by using full duplex mode the bandwidth of the dedicated segment can be doubled to maximize throughput When networks are based on repeater hub technology the distance between end stations is limited by a maximum hop count However a switch turns the hop count back to zero So subdividing the network into ...

Page 32: ...ion adding direct full duplex connections to workstations or servers When the time comes for further expansion just connect to another hub or switch using one of the Gigabit Ethernet ports built into the front panel a Gigabit Ethernet port on a plug in SFP transceiver or a 10G transceiver on the optional module In the figure below the 48 port switch is operating as a collapsed backbone for a small...

Page 33: ...an Server Farm 10 100 1000 Mbps Segments 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33...

Page 34: ...33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3...

Page 35: ...to maintain a more stable path between all VLAN members This can reduce the overall amount of protocol traffic crossing the network and provide a shorter reconfiguration time if any link in the spanning tree fails At Layer 3 VLANs are used to create an IP interface where one or more ports are assigned to the same IP segment Traffic is automatically routed between different IP segments on the same ...

Page 36: ... linked to the WAN Just assign an IP address to any VLANs that need to communicate The switch will continue to segregate Layer 2 traffic based on VLANs but will now provide inter VLAN connections for IP applications The switch will perform IP routing for specified VLAN groups a directly connected subnetwork a remote IP subnetwork or host address or an IP multicast address Figure 2 5 IP Routing for...

Page 37: ...rconnect distinct VLANs or IP subnets you can take advantage of the wire speed Layer 3 routing provided by these switches 3 As a general rule the length of fiber optic cable for a single switched link should not exceed 1000BASE SX 550 m 1805 ft for multimode fiber 1000BASE LX 5 km 3 1 miles for single mode fiber 1000BASE ZX 100 km 62 1 miles for single mode fiber 10GBASE LR 10 km 6 2 miles for sin...

Page 38: ...NETWORK PLANNING 2 8 ...

Page 39: ...ce approximately five centimeters or two inches on all sides for proper air flow be accessible for installing cabling and maintaining the devices allow the status LEDs to be clearly visible Make sure twisted pair cable is always routed away from power lines fluorescent lighting fixtures and other sources of electrical interference such as radios and transmitters Make sure that the unit is connecte...

Page 40: ... Unshielded twisted pair UTP or shielded twisted pair STP cables with RJ 45 connectors Category 3 or better for 10BASE T Category 5 or better for 100BASE TX and Category 5 5e or 6 for 1000BASE T Protection from radio frequency interference emissions Electrical surge suppression Separation of electrical wires switch related or other and electromagnetic fields from data based network wiring Safe con...

Page 41: ...containing two brackets and eight screws for attaching the brackets to the switch Power cord either US Continental Europe or UK RS 232 console cable This Installation Guide Installation and Management Guide CD SMC Warranty Registration Card be sure to complete and return to SMC Optional Rack Mounting Equipment If you plan to rack mount the switch be sure to have the following equipment available F...

Page 42: ...ure within a rack assembly may be higher than the ambient room temperature check that the rack environment temperature is within the specified operating temperature range see page C 2 Mechanical Loading Do not place any equipment on top of a rack mounted unit Circuit Overloading Be sure that the supply circuit to the rack assembly is not overloaded Grounding Rack mounted equipment should be proper...

Page 43: ... brackets to the device using the screws provided in the Bracket Mounting Kit Figure 3 2 Attaching the Brackets 2 Mount the device in the rack using four rack mounting screws not provided Figure 3 3 Installing the Switch in a Rack 46 47 48 46 47 48 ...

Page 44: ...tte sicher dass die Rackumgebungstemperatur innerhalb des angegebenen Betriebstemperaturbereichs liegt Siehe Temperatur auf Seite C 1 Mechanische Last Stellen Sie kein Gerät auf eine Rack Montageeinheit Stromüberlastung Stellen Sie sicher dass der Netzkreis der Rackeinheit nicht überlastet wird Erdung Die Rack Montageeinheit muss richtig geerdet werden Besondere Acht sollten Sie bei Verbindungen g...

Page 45: ...n all sides for proper air flow 3 If installing a single switch only go to Connecting to a Power Source at the end of this chapter 4 If installing multiple switches attach four adhesive feet to each one Place each device squarely on top of the one below in any order 5 If also installing RPUs place them close to the stack 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29...

Page 46: ...ins the module touch the bag to the switch casing to discharge any potential static electricity Also it is recommended to use an ESD wrist strap during installation 3 Remove the module from the anti static shielded bag 4 Holding the module level guide it into the carrier rails on each side and gently push it all the way into the slot ensuring that it firmly engages with the connector 5 If you are ...

Page 47: ...n appropriate SFP transceiver type 2 Insert the transceiver with the optical connector facing outward and the slot connector facing down Note that SFP transceivers are keyed so they can only be installed in one orientation 3 Slide the SFP transceiver into the slot until it clicks into place Note SFP transceivers are hot swappable The switch does not need to be powered off before installing or remo...

Page 48: ...g an extra cable is connected between the top and bottom switches forming a ring or closed loop The closed loop cable provides a redundant path for the stack link so if one link fails stack communications can be maintained Figure 3 7 illustrates a ring topology stacking configuration To connect up to eight switches in a stack perform the following steps 1 Plug one end of the stack cable ordered se...

Page 49: ...ing Stacking Connections 5 Select the Master unit in the stack by pressing the Master button in on only one of the switches Only one switch in the stack can operate as the Master all other units operate in slave mode If more than one switch in the stack is selected as Master or if no switches are selected the system will select the unit with the lowest MAC address as the Master Down Up Down Up Up ...

Page 50: ...ch of the two stack segments The Master unit will be either the unit with the Master button depressed or the unit with the lowest MAC address if the Master button is not depressed on any unit When the stack reboots and resumes operations note that the IP address will be the same for both of the stack segments To resolve the conflicting IP addresses you should manually replace the failed link or un...

Page 51: ...ource Note For international use you may need to change the AC line cord You must use a line cord set that has been approved for the socket type in your country 3 Check the front panel LEDs as the device is powered on to be sure the Power LED is on If not check that the power cable is correctly plugged in 4 If you have purchased a Redundant Power Unit connect it to the device and to an AC power so...

Page 52: ... serial port are provided in the following table Figure 3 9 Serial Port DB 9 DTE Pin Out Wiring Map for Serial Cable The serial port s configuration requirements are as follows Default Baud rate 9 600 bps Character Size 8 Characters Parity None Stop bit One Data bits 8 Flow control none Table 3 1 Wiring Map for Serial Cable Switch s 9 Pin Serial Port Null Modem PC s 9 Pin DTE Port 2 RXD receive da...

Page 53: ...ors at both ends Use Category 5 5e or 6 cable for 1000BASE T connections Category 5 or better for 100BASE TX connections and Category 3 or better for 10BASE T connections Cabling Guidelines The RJ 45 ports on the switch support automatic MDI MDI X pinout configuration so you can use standard straight through twisted pair cables to connect to any other network device PCs servers switches routers or...

Page 54: ...attach the other end of the cable segment to a modular wall outlet that is connected to the wiring closet See Network Wiring Connections on the next page Otherwise attach the other end to an available port on the switch Make sure each twisted pair cable does not exceed 100 meters 328 ft in length 3 As each connection is made the Link LED on the switch corresponding to each port will light green 10...

Page 55: ... and the other end to a modular wall outlet 3 Label the cables to simplify future troubleshooting See Cable Labeling and Connection Records on page 4 10 Figure 4 2 Wiring Closet Connections Equipment Rack side view Network Switch Patch Panel Punch Down Block Wall w it ch 10 100 6724L 3 ES4524C Cheetah Switch Workgroup 4549 ES4549 45 46 47 48 Stack Master Stack Link Power RPU Diag Module Stack ID C...

Page 56: ...vice considering safety please make sure that it can function at a temperature that is not less than the recommended maximum operational temperature of the product You must also use an approved Laser Class 1 SFP transceiver Hinweis Bei der Wahl eines Glasfasertransceivers muß für die Beurteilung der Gesamtsicherheit beachtet werden das die maximale Umgebungstemperatur des Transceivers für den Betr...

Page 57: ...1000BASE LX and 1000BASE ZX fiber optic ports operate at 1 Gbps full duplex The maximum length for fiber optic cable operating at Gigabit speed will depend on the fiber type as listed under 1000 Mbps Gigabit Ethernet Collision Domain on page 4 8 10 Gbps Fiber Optic Connections An optional 10G transceiver Xenpak can be used for a backbone connection between switches Each multimode fiber optic port ...

Page 58: ...ttle ethanol Dirty fiber terminators on fiber 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 the other end to the SC port on the other device Since SC connectors are keyed the cable can be attached in only one orientation Figure 4 4 Connecting to Xenpak Transceive...

Page 59: ...s Category 5e enhanced Category 5 or Category 6 cable should be used The Category 5e specification includes test parameters that are only recommendations for Category 5 Therefore the first step in preparing existing Category 5 cabling for running 1000BASE T is a simple test of the cable installation to be sure that it complies with the IEEE 802 3 2002 standards 10 Gbps Ethernet Collision Domain Ta...

Page 60: ...4 Maximum 1000BASE T Gigabit Ethernet Cable Length Cable Type Maximum Cable Length Connector Category 5 5e 6 100 ohm UTP or STP 100 m 328 ft RJ 45 Table 4 5 Maximum 1000BASE SX Fiber Optic Cable Length Fiber Diameter Fiber Bandwidth Cable Length Range Connector 62 5 125 micron multimode fiber MMF 160 MHz km 2 220 m 7 722 ft LC 200 MHz km 2 275 m 7 902 ft LC 50 125 micron multimode fiber MMF 400 MH...

Page 61: ...100 km 43 5 62 1 miles LC For link spans exceeding 70 km you may need to use premium single mode fiber or dispersion shifted single mode fiber Table 4 8 Maximum Fast Ethernet Cable Length Type Cable Type Maximum Cable Length Connector 100BASE TX Category 5 or better 100 ohm UTP or STP 100 m 328 ft RJ 45 Table 4 9 Maximum Ethernet Cable Length Type Cable Type Maximum Length Connector 10BASE T Categ...

Page 62: ...abel the opposing ends of each cable Using your building s floor plans draw a map of the location of all network connected equipment For each piece of equipment identify the devices to which it is connected Note the length of each cable and the maximum cable length supported by the switch ports For ease of understanding use a location based key when assigning prefixes to your cable labeling Use se...

Page 63: ...Technical Support Power LED is Amber Internal power supply has failed Contact your local dealer for assistance Diag LED is Amber Power cycle the switch to try and clear the condition If the condition does not clear contact your local dealer for assistance Stack Master LED is Flashing Amber The stack has not completed its initial configuration Wait a few minutes for the process to complete Check th...

Page 64: ...both the switch and corresponding device Verify that the proper cable type is used and its length does not exceed specified limits Check the adapter on the attached device and cable connections for possible defects Replace the defective adapter or cable if necessary Table A 2 Power RPU LEDs Power LED RPU LED Status Green Green Internal power functioning normally RPU is present Green Amber Internal...

Page 65: ...ent where you are sure that all the other components are functioning properly In Band Access You can access the management agent in the switch from anywhere within the attached network using Telnet a Web browser or other network management software tools However you must first configure the switch with a valid IP address subnet mask and default gateway If you have trouble establishing a link to th...

Page 66: ...s in the stack are powered on After checking all items reboot all the switches in the stack The switches allow you to configure ring or line topology stacking When using ring topology stacking configuration and a switch fails or a stacking cable is disconnected the entire stack reboots and resumes normal operation using line topology stacking through the remaining stack connections Also any change...

Page 67: ...en with white stripes Also an RJ 45 connector must be attached to both ends of the cable Caution Each wire pair must be attached to the RJ 45 connectors in a specific orientation Caution DO NOT plug a phone jack connector into any RJ 45 port Use only twisted pair cables with RJ 45 connectors that conform with FCC standards Figure B 1 illustrates how the pins on the RJ 45 connector are numbered Be ...

Page 68: ...l network connections to PCs or servers or to other switches or hubs In straight through cable pins 1 2 3 and 6 at one end of the cable are connected straight through to pins 1 2 3 and 6 at the other end of the cable When using any RJ 45 port on these switches you can use either straight through or crossover cable Table B 1 10 100BASE TX MDI and MDI X Port Pinouts Pin MDI Assignment MDI X Assignme...

Page 69: ...port on these switches you can use either straight through or crossover cable to connect to any device type You must connect all four wire pairs as shown in the following diagram to support Gigabit Ethernet connections Figure B 2 Straight through Wiring White Orange Stripe Orange White Green Stripe Green 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 EIA TIA 568B RJ 45 Wiring Standard 10 100BASE TX Straight thro...

Page 70: ...d for any RJ 45 port on these switches you can use either straight through or crossover cable to connect to any device type You must connect all four wire pairs as shown in the following diagram to support Gigabit Ethernet connections Figure B 3 Crossover Wiring White Orange Stripe Orange White Green Stripe 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 EIA TIA 568B RJ 45 Wiring Standard 10 100BASE TX Crossover ...

Page 71: ...stalk FEXT This cable testing information is specified in the ANSI TIA EIA TSB 67 standard Additionally cables must also pass test parameters for Return Loss and Equal Level Far End Crosstalk ELFEXT These tests are specified in the ANSI TIA EIA TSB 95 Bulletin The Additional Transmission Performance Guidelines for 100 Ohm 4 Pair Category 5 Cabling Table B 2 1000BASE T MDI and MDI X Port Pinouts Pi...

Page 72: ... the number of connectors used in the link 3 Reconnect some of the connectors in the link Fiber Standards The current TIA Telecommunications Industry Association 568 A specification on optical fiber cabling consists of one recognized cable type for horizontal subsytems and two cable types for backbone subsystems Horizontal 62 5 125 micron multimode two fibers per outlet Backbone 62 5 125 micron mu...

Page 73: ...00 1000BASE T shared with 4 SFP transceiver slots 1 10G extender module slot for Xenpak transceivers Two slots for stacking transceivers Network Interface Ports 1 24 48 RJ 45 connector auto MDI X 10BASE T RJ 45 100 ohm UTP cable Category 3 or better 100BASE TX RJ 45 100 ohm UTP cable Category 5 or better 1000BASE T RJ 45 100 ohm UTP or STP cable Category 5 5e or 6 Maximum Cable Length 100 m 328 ft...

Page 74: ...ght SMC8724ML3 5 7 kg 12 6 lbs SMC8748ML3 6 1 kg 13 4 lbs Size 44 0 x 41 5 x 4 4 cm 17 3 x 16 3 x 1 7 in Temperature Operating 0 to 50 C 32 to 122 F Storage 40 to 70 C 40 to 158 F Humidity Operating 5 to 95 non condensing AC Input 100 to 240 V 50 60 Hz 2A Power Supply Internal auto ranging transformer 100 to 240 VAC 50 to 60 Hz External supports connection for redundant power supply Power Consumpt...

Page 75: ...C8748ML3 1 60 A 100 VAC without expansion module 1 80 A 100 VAC with expansion module 0 66 A 240 VAC without expansion module 0 72 A 240 VAC with expansion module Switch Features Forwarding Mode Store and forward Throughput Wire speed Management Features In Band Management Web Telnet SSH or SNMP manager Out of Band Management RS 232 DB 9 console port Software Loading TFTP in band or XModem out of ...

Page 76: ...ocol IEEE 802 1w Rapid Spanning Tree Protocol IEEE 802 1s Multiple Spanning Tree Protocol ISO IEC 8802 3 Compliances CE Mark Emissions FCC Class A Industry Canada Class A EN55022 CISPR 22 Class A EN 61000 3 2 3 VCCI Class A C Tick AS NZS 3548 1995 Class A Immunity EN 61000 4 2 3 4 5 6 8 11 Safety CSA CUS CSA60950 UL60950 TÜV GS EN60950 CB IEC60950 ...

Page 77: ...dules 10G Extender Module Xenpak Ports 1 slot for 10GBASE Xenpak transceiver Communication Speed 10 Gbps Communication Mode Full duplex Network Interface Xenpak slot Standards IEEE 802 3ae 10 Gigabit Ethernet Warranty Limited Lifetime ...

Page 78: ...SPECIFICATIONS C 6 ...

Page 79: ...ged Layer 3 switch with optional 10 Gigabit uplink SMCBGSLCX1 1 port 1000BASE SX Small Form Pluggable SFP mini GBIC transceiver SMCBGLLCX1 1 port 1000BASE LX Small Form Pluggable SFP mini GBIC transceiver SMCBGZLCX1 1 port 1000BASE ZX Small Form Pluggable SFP mini GBIC transceiver SMC8700GXP10L3 1 slot 10GBASE expansion module Xenpak SMCRPU14 Redundant power unit with cables supports one device Al...

Page 80: ...ORDERING INFORMATION D 2 ...

Page 81: ... 5 125 or 9 125 micron core fiber cable 1000BASE SX IEEE 802 3z specification for Gigabit Ethernet over two strands of 50 125 or 62 5 125 micron core fiber cable 1000BASE T IEEE 802 3ab specification for Gigabit Ethernet over 100 ohm Category 5 or 5e twisted pair cable using all four wire pairs 1000BASE ZX Specification for long haul Gigabit Ethernet over two strands of 9 125 micron core fiber cab...

Page 82: ...rational mode e g speed and duplex mode based on the capabilities of the node to which it is connected Bandwidth The difference between the highest and lowest frequencies available for network signals Also synonymous with wire speed the actual speed of the data transmission along the cable Collision A condition in which packets transmitted over the cable interfere with each other Their interferenc...

Page 83: ...st Ethernet A 100 Mbps network communication system based on Ethernet and the CSMA CD access method Full Duplex Transmission method that allows two network devices to transmit and receive concurrently effectively doubling the bandwidth of that link Gigabit Ethernet A 1000 Mbps network communication system based on Ethernet and the CSMA CD access method IEEE Institute of Electrical and Electronic E...

Page 84: ...collision domain LED Light emitting diode used for monitoring a device or network condition Local Area Network LAN A group of interconnected computers and support devices Media Access Control MAC A portion of the networking protocol that governs access to the transmission medium facilitating the exchange of data between network nodes MIB An acronym for Management Information Base It is a set of da...

Page 85: ...d Ports Ports that are on separate collision domains or LAN segments TIA Telecommunications Industry Association Transmission Control Protocol Internet Protocol TCP IP Protocol suite that includes TCP as the primary transport protocol and IP as the network layer protocol UTP Unshielded twisted pair cable Virtual LAN VLAN A Virtual LAN is a collection of network nodes that share the same collision ...

Page 86: ...GLOSSARY Glossary 6 ...

Page 87: ... flow requirements 3 1 applications collapsed backbone 2 2 Layer 3 routing 2 6 network aggregation 2 3 remote connections 2 4 VLAN connections 2 5 B brackets attaching 3 5 buffer size C 1 C cable Ethernet cable compatibility 3 2 labeling and connection records 4 10 lengths 4 9 cleaning fiber terminators 4 4 4 6 compliances EMC C 4 safety C 4 connectivity rules 10 Gbps 4 7 10 Mbps 4 9 100 Mbps 4 9 ...

Page 88: ... indicators Diag 1 6 Link 1 5 Module 1 7 Power 1 6 problems A 1 RPU 1 6 Stack ID 1 7 Stack Link 1 7 Stack Master 1 6 location requirements 3 1 M management agent 1 3 features 1 10 C 3 C 4 out of band 1 3 SNMP 1 3 web based 1 3 modules 10G 1 8 modules 10GBASE LR 1 8 C 5 mounting the switch in a rack 3 4 on a desktop or shelf 3 7 multimode fiber optic cables 4 4 N network connections 4 1 examples 2 ...

Page 89: ...unting 3 3 site selelction 3 1 SNMP agent 1 3 specifications compliances C 3 C 4 environmental C 2 extender modules C 5 physical C 1 power C 2 standards compliance C 4 IEEE C 4 status LEDs 1 5 surge suppressor using 3 1 switch architecture 1 2 switching introduction to 2 1 T temperature within a rack 3 4 troubleshooting in band access A 3 power and cooling problems A 3 switch indicators A 1 Telnet...

Page 90: ...INDEX Index 4 ...

Page 91: ......

Page 92: ...3774 UK 44 0 1932 866553 Fax 44 0 118 974 8701 France 33 0 41 38 32 32 Fax 33 0 41 38 01 58 Italy 39 0 335 5708602 Fax 39 02 739 14 17 Benelux 31 33 455 72 88 Fax 31 33 455 73 30 Central Europe 49 0 89 92861 0 Fax 49 0 89 92861 230 Nordic 46 0 868 70700 Fax 46 0 887 62 62 Eastern Europe 34 93 477 4920 Fax 34 93 477 3774 Sub Saharian Africa 216 712 36616 Fax 216 71751415 North West Africa 34 93 477...

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