Intel 100BASE-TX Switch User Manual
Contents
1. Cascade Cascade down J up TAANA m iN 4 B S im Deus Suse g To qr ers me equips eS MS AITE gy m e Ig eq rg 2l o O Za e To A i LUIN UN 2 5903 Cascade cable connections CHAPTER 1 Intel Express 100BASE TX Stackable Hub 10 The cascade cable extends the functionality of one hub to a maximum of six hubs in a stack This stack then functions as a single repeater or collision domain The cascade cable daisy chain creates a cascade bus that carries the following information to each hub in the stack Multidrop repeater Ethernet segment information allows you to have a total of 72 fixed ports on one segment When the optional 100BASE T host module is installed in the expansion slot on each hub the Ethernet segment supports up to 144 ports Stack management information allows one NMM to manage every hub in the stack Port statistics distributes configuration and status information for each port in the stack to an NMM and network management system Daisy chain unit number information provides a sequential numbering convention for a stack of up to six hubs For information about the unit numbering convention see Unit Numbering Convention in Chapter 3 Physical Configuration Guidelines NOTE Only qualified technicians should install and maintain this equipment Installing and2. 36 Network Management Module The 1OOBASE T NMM fits into the expansion slot and allows you to extend per port advanced Simple Network Management Protocol SNMP management functions to each Express hub in your stack Advanced SNMP management allows you to e View configuration and status information for each port in the stack up to 72 fixed ports or up to 132 ports when 1OOBASE T host modules are installed in five expansion slots and one NMM is installed in one expansion slot e Gather information on network communications and activities and then analyze reduce and store the information e Communicate with SNMP compatible network management software to observe and configure Flow and quality of network data Network topology Physical components Fault errors and hardware status e Detect and correct network faults as well as to isolate monitor and reconfigure specific network branches The advanced level of network management also supports Intel LANDesk network management software The NMM agent software contains embedded management features that allow you to query important information from existing nodes For more information about the 1 OOBASE T NMM refer to the documentation that shipped with your NMM 100BASE TX Host Modules The 1OOBASE TX Host Module allows you to expand your port density from 12 to 24 ports per Express OOBASE TX stackable hub The 1OOBASE TX Host Module is equipped
3. Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market and has been granted the right to test the series for compliance with the regulations Compliance with the applicable regulations is dependent upon the use of shielded cables It is the responsibility of the user to procure the appropriate cables Voluntary Control Council for Interference VCCI Statement LOBE P We TER BOTEA NAi AREE T BLE RTOREREDIE AW LAGHMARESERRMEAERIBRS Vcc RECS LTEN ET AE ee bbe eke hil bh Z or Ole bir ul LB Ae on i o gt LE A at 1 Pa ee eae e ete be o gt VED Gy EBUR TUBERIAS CIMA Clty AAR V Ot 1a BRS tPA T A DLEMHN ET LEQ3RE GAAS A ER Fe LER BC fto T EL CHC KS This equipment is in the 1st category information equipment to be used in commercial and or industrial areas and conforms to the standards set by the Voluntary Control Council for Interference by Data Processing Equipment and Electronic Office Machines that are aimed at preventing radio interference in commercial and or industrial areas Consequently when this equipment is used in a residential area or in an adjacent area thereto radio interference may be caused to equipment such as radios and TV receivers Compliance with the applicable regulations is dependent upon the use of shielded cables The user is responsible for procuring the appropriate cables Read instructions for correct handling Electromagnetic Em
4. A Intel Express 100BASE TX Stackable Hub 34 Physical Specifications Dimensions 11 18 1 by 17 25 w by 2 57 h in 28 40 1 by 43 82 w by 6 53 h cm Weight 10 0 Ibs 4 5 kg with filler panels installed 12 3 lbs 5 6 kg with an NMM and a media adapter installed optional equipment Environmental Specifications Operating temperature 5 to 40 C Storage temperature 25 to 70 C Operating humidity 85 maximum relative humidity noncondensing Storage humidity 95 maximum relative humidity noncondensing Operating altitude 10 000 ft 3 000 m maximum Storage altitude 10 000 ft 3 000 m maximum Electromagnetic Emissions Meets requirements of FCC Part 15 Subpart B Class A EN 55 022 CISPR 22 1985 Class B General License VDE 0871 Class B AmtsbIVfg No 243 1991 VCCI Class 1 ITE Electromagnetic Susceptibility Electrostatic discharge ESD IEC 801 2 Level 3 2 Electrical fast transient burst IEC 801 4 Level 2 Electrical surge IEC 801 5 Level 2 1 Safety Agency Approvals UL listed UL 1950 UL 94 V1 CSA certified CSA 22 2 950 TEC 950 EN 60 950 TUV APPENDIX A Technical Specifications and Optional Equipment NOTE When a media adapter is installed in the media adapter slot it automatically disables 100BASE TX port 1 and the Port 1 Status LED on the hub In this case the 100BASE T port on the installed media adapter provides the connectivity for port 1 and
5. To install the hub on a table or shelf follow these steps 1 Install self adhesive feet on the bottom of the hub Peel off the protective backing from the rubber feet and apply one at each marked location on the bottom of the hub B Ks n Feet placement guides 4642 Attaching feet 2 Set the hub on a table or shelf so that it has at least 2 inches of space on all sides 3 Continue with Completing the Installation to finish this installation procedure Completing the Installation After you have installed the Express hub connect power to the hub and verify the installation To complete the installation of your Express hub follow these steps 1 Install any additional units in your stack such as Express hubs For instructions on installing multiple hubs see Installing Multiple Hubs later in this chapter CHAPTER 2 Intel Express 100BASE TX Stackable Hub CAUTION The power cord is a North American type UL listed CSA certified power supply cord Immediately discard this cord if it is inappropriate for the electrical system of your country and obtain the proper cord as required by your national electrical codes or ordinances Install any optional modules in the media adapter and or expansion slots in the hub a Remove the filler panel from the slot For instructions on removing filler panels see Installing and Removing Filler Panels later in this chapter b Instal
6. CAUTION Do not connect theoower cord to the hub until all the hubs are installed connected together through the cascade cable and ready for operation Installing and Connecting Multiple Hubs The procedure for installing and connecting multiple hubs is similar for rack installations and table or shelf installations When installing multiple hubs follow this sequence e Install the hubs e Connect the hubs together using the cascade cables e Connect the power cords to the hubs To install multiple hubs follow these steps 1 Install one hub at a time in the rack or on the shelf or table Refer to Installing the Hub in a Rack or Installing the Hub on a Table or Shelf earlier in this chapter 2 Connect the hubs using the cascade cables To install the cascade cable a Ensure the power cords are not connected to the hubs you are connecting The Pwr LED on the front panels of the hubs should be off b Connect one end of the cascade cable to the Cascade Down connector on the rear panel of the hub on the top Cascade down 7 j Cascade up S A a A mi gS Pauw Grd o o Cascade cable 5912 Installing a cascade cable c Connect the other end of the cascade cable to the Cascade Up connector on the rear panel of the hub on the bottom CHAPTER 2 Intel Express 100BASE TX Stackable Hub CA
7. 100BASE T network devices These standard RJ 45 connectors accept Category 5 unshielded twisted pair UTP or 100 ohm shielded twisted pair STP cable The RJ 45 interface consists of an 8 pin connector configured for MDI X wiring This table provides the pinout information for the standard RJ 45 connector configured for MDI X wiring and the pinout information for port 1 RJ 45 connector when configured for MDI wiring Pin MDI X signal MDI signal port 1 1 Receive data RD TD 2 Receive data RD TD 3 Transmit data TD RD 4 Not assigned Not assigned 5 Not assigned Not assigned 6 Transmit data TD RD 7 Not assigned Not assigned 8 Not assigned Not assigned CHAPTER 1 Overview The maximum cable distance between the port and the attached device is 100 meters 328 feet including all patch cables panels and connectors MDI MDI X Switch The MDI MDI X switch on the front panel of the Express hub is a recessed push button switch that allows you to select MDI or MDI X wiring for port 1 As indicated on the front panel port is configured for MDI X wiring when the push button is in the out position When the push button is pressed in port 1 is configured for MDI wiring The MDI MDI X switch eliminates the need to use a crossover cable if you are connecting similar devices Use the following guidelines to configure port 1 for MDI or MDI X wiring e Configure port 1
8. Removing the Express Hub This chapter describes Preparing the installation site Unpacking the equipment Meeting tool and materials requirements Installing the hub Installing multiple hubs Removing a hub Installing and removing filler panels CHAPTER 2 Intel Express 100BASE TX Stackable Hub Site Preparation Before you install the Express hub prepare the installation site Make sure the operating environment meets the physical requirements of the equipment Operating Requirement environment Temperature Ambient temperature between 5 C and 40 C 41 F and 104 F No nearby heat sources such as direct sunlight warm air exhausts or heaters Humidity Between 5 and 85 noncondensing Ventilation Minimum 2 in 5 08 cm on all sides for cooling Adequate airflow in room or wiring closet Operating At least 6 ft 1 83 m to nearest source of conditions electromagnetic noise such as photocopy Service access Power Table and shelf installation requirements Rack installation requirements Wiring hardware machine or arc welder Minimum 12 in 19 68 cm front and rear for service access and maintenance Front and rear clearance for cables and wiring hardware such as punchdown blocks Adequate power source within 6 ft 1 83 m Approximately 13 25 in 33 66 cm by 19 25 in 48 90 cm area on a level tabletop or shelf Support for at least 10 Ibs 4 5 kg per Express hub with fill
9. connected to one of the RJ 45 connectors on the hub see Connecting Cables to the Hub earlier in this chapter Network adapter with RJ 45 jack UTP cable with RJ 45 plug 2013 6 Connecting 100BASE T workstations to the hub The flexible and scaleable architecture of the Express hub allows you to stack up to six hubs for connection to 72 network devices that share one Fast Ethernet segment In addition an optional media adapter module can be installed in the hub to provide you with an alternate type of port connectivity for port 1 If you install optional 1OOBASE T host modules in each expansion slot in a fully equipped stack you can connect up to 132 network devices to the shared Fast Ethernet segment As you connect more nodes to the stack you may want to integrate a 100 Mbps switching hub into your shared LAN Each 1OOBASE T workgroup can be connected to an individual port on the 100 Mbps switching hub to provide 100 Mbps dedicated bandwidth to the workgroup CHAPTER 3 Physical Configuration Guidelines 100BASE T Switched LAN Integrating switching into the network enables network microsegmentation which increases the total capacity and performance of the network You can add 100 Mbps workgroups to the network and connect them to individual ports on the switch For those networks that still support LOBASE T workstations an Ethernet switching hub provides configurable ports for 10 Mbps or 100 Mbps con
10. for MDI X wiring if the remote end of the cable is connecting to an MDI wired device such as a network station or a router e Configure port 1 for MDI wiring if the remote end of the cable is connecting to an MDI X device such as a 10 100 Mbps switch MDI X ports 2 through 12 cannot be configured for MDI wiring If you are using one of these ports to connect to another MDI X port you must use an RJ 45 crossover cable to connect the two ports LED Matrix The LED matrix on the front panel of the Express hub allows you to identify e The status of the hub AC power supply e The operational status of the hub e A collision occurrence on an Ethernet segment in a standalone hub or a stack of hubs e The network utilization of the Ethernet segment in a standalone hub or a stack of hubs e The status of the expansion module or the status and mode of a network management module NMM installed in the expansion slot e The status for all ports in the hub including port on the optional media adapter when installed in the media adapter slot CHAPTER 1 Intel Express 100BASE TX Stackable Hub This shows the LED matrix on the Express hub 100BASE T Hub Pwr Stat RPS Col Data s1 5 10 20 35 50 1_ Media Adapter Expansion Slot Stat Port Status Management Stat Mstr En
11. m 272m 260 8 meters 231 meters between two 100 m TX and 100 m T4 and 131 devices 160 8 FX FX F In a 100BASE TX FX environment If you have multiple fiber links of equal lengths and multiple balanced 100 meter UTP links connected to the 100BASE T Hub the maximum distance of each balanced fiber link is 136 meters The fiber lengths are limited to comply with worst case path requirements Make sure you calculate each path in your 100BASE T network to ensure the path falls within round trip collision delay requirements Network Topology Extensions You can extend the network topology by connecting repeaters to different internetworking devices using different media types In the next illustration the network topology is extended to a maximum of 400 meters In this network a LattisSwitch switching hub interconnects two separate repeater stacks to form two separate collision domains Since each Category 5 copper link from workstation to repeater and repeater to switch does not exceed 100 meters the collision domains do not exceed 200 meters Integrating the switch into the network to form two collision domains of 200 meters extends the network topology to 400 meters 41 APPEND X Intel Express 100BASE TX Stackable Hub 42 400 m total network topology Wiring close 100BASE TX bp mmm Switching hub fii Stack of 100BASE T hubs nooo j 400 m t
12. media adapter slot adapter status Adapter 1 link status is good and the port is not partitioned Amber Link status is good and the port is partitioned Off Link status is not detected or a media adapter is not installed in the media adapter slot Expansion slot module Expansion Green The module in the expansion slot has passed the status Slot Stat confidence test and is operating normally Amber The module in the expansion slot has failed Off There is no module installed in the expansion slot Management status Stat Green The NMM has passed the confidence test and is operating normally Amber The NMM has failed Mstr Green The NMM installed in the hub is the master NUM for a stack of hubs Off The NMM installed in the hub is not the master NMM for that stack of hubs Enbl Green The hub is properly connected to the other hubs in the stack and is actively managed by an NMM Off The hub is not managed by an NMM Port status Port Green Link status is good port is not partitioned hub ports aes Amber Link status is good port is partitioned Port sratus Off Link status is not detected port may or may not be optional ports 13 24 partitioned CHAPTER 1 Intel Express 100BASE TX Stackable Hub 100BASE T Media Adapter Slot The media adapter slot is located in the upper left hand corner of the Express hub and accommodates an optional 1OOBASE T media adapter A 1OOBASE T media adapter allows you to connect to other 100BASE T net
13. network that contains four separate collision domains The overall network topology grows while each collision domain can be modeled after the extended collision domains illustrated in previous two illustrations The next illustration shows how two separate 100BASE T networks each supporting different workgroups in different physical locations are interconnected using a 2 km fiber link 43 APPEND X Intel Express 100BASE TX Stackable Hub 44 Router 400 m total network topology 521 6 m total network topology with two collision domains 100BASE TX 100BASE TX switching hub transceiver transceiver switching hub Fem Up to 2 km Eal 1m E re W P u 4 i fiber cable i 1 160 8 m eee een pei beenetvel OEREN Full duplex eaaa p55 ir Paia yni E EEE n Stack of i Stack of i x i Stack of I Stack of BCR ON i100BASE T 100BASE T i 100BASE T i 100BASE T i hubs i i hubs pi hubs i i i i ii q i i t EJ i i i i i ii i ij A i Irs i ij J g J i i pi LJ i i Bai j l i i ii mn i i 100BASE T i 100BASE T Server i 100BASE T oul 100BASE T i i workstations i workstations i i workstations vol workstations i Mick perience eee _ Suite Soh OTT _ Nod sticd ees ee _ Domain 1 Domain 2 D
14. the hub The 1OOBASE T ports on the Express hub and optional LOOBASE T modules can be connected to the following network devices that are operating at 100 Mbps Fast Ethernet e Workstations e Servers e Printers e Transceivers e Switching hubs e Routers See 100BASE T Network Configurations later in this chapter for information about making cable connections to 100 Mbps switching hubs For information about making connections to other 100BASE T devices refer to the documentation that shipped with the device 25 CHAPTER 3 Intel Express 100BASE TX Stackable Hub 26 Verifying Installation After you complete all port and power connections to the Express hub verify that the installation is successful by observing the LEDs on the front panel of the hub This section provides information about the operating conditions of the LEDs after power is first applied to a newly installed Express hub 100BASE T Hub Pwr Stat RPS Col Data lt 1 5 10 20 _35 L250 1_ Media Adapter Expansion Slot Stat Port Status Management Stat Mstr Enbl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 5897 LED matrix on the Express hub Checking the LEDs When power is first applied to the Express hub a confidence test is performed During the confidence tes
15. your path delays exceed 512 bit times your network may suffer from late collisions or cyclic redundancy check CRC errors To calculate the worst case PDV follow these steps l Determine the delay value for each link segment LSDV including inter repeater links The LSDV is a delay value associated with a particular network segment LSDV is similar to the segment delay value SDV used in calculating PDV for 1OBASE T networks except that it does not include any delay values associated with the attached DTEs or repeaters These delay values are calculated separately and applied to the total PDV calculation The formula for calculating the LSDV for a particular segment is LSDV 2 round trip delay x segment length in meters x cable delay in bit times per meter for the segment To determine the total segment length use the following formula Segment length sum of all cable lengths between the physical layer interfaces at the repeater and the farthest DTE for end segments sum of the cable lengths between the physical layer interfaces for inter repeater links Use meters for measurements Use the DTE delay values shown with step 4 to find the round trip delay value in bit times per meter bt m for the type of cable used for a particular segment That table also provides the round trip delay value in bit times You can use this value if you do not know the actual cable lengths or propagation delays for each link segment
16. However because the round trip delay value of 412 bit times for fiber optic cables will not apply to most applications delays for fiber optic cables should always be calculated Cable type Round trip delay Round trip delay value value in bit in bit times times per meter Category 3 UTP 1 14 bt m 114 bit times 100 meters Category 4 UTP 1 14 bt m 114 bit times 100 meters Category 5 UTP 1 112 bt m 111 2 bit times 100 meters STP 1 112 bt m 111 2 bit times 100 meters Fiber optic 1 0 bt m 412 bit times 412 meters 45 APPENDIX B Intel Express 100BASE TX Stackable Hub NOTE Media Independent Interface MII cables for 100BASE T devices do not exceed 0 5 meters These delay values are incorporated into the repeater and DTE delay values therefore it is not necessary to calculate the MII cable delay values separately 46 Add the LSDVs for all the segments in the path Determine the delay for each repeater in the path Repeater delay values are specified in bit times The default maximum repeater delay value for a Class 1 repeater is 140 bit times There is a one repeater maximum for networks using Class I repeaters Determine the DTE delay values for the path DTE delay values are specified in bit times The maximum DTE delay values for the different DTEs in a path are shown here DTE types Maximum round trip delay value Two TX FX DTEs 100 bit times Two T4 DTEs 138 bit times One TX FX DTE
17. Intel Express 100BASE TX Stackable Hub User Guide 1995 by Intel Corporation All rights reserved Other brand and product names are registered trademarks or trademarks of their respective holders Statement of Conditions In the interest of improving internal design operational function or reliability Intel Corp reserves the right to make changes to the products described in this document without notice Intel Corp does not assume any liability that may occur due to the use or application of the products or circuit layouts described herein Federal Communications Commission FCC Statement Note 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 environment This equipment generates uses and can radiate radio frequency energy If it is not installed and used in accordance with the instruction manual it may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case users will be required to take whatever measures may be necessary to correct the interference at their own expense EN 55 022 Declaration of Conformance This is to certify that the Intel Express 1OOBASE TX Stackable Hub is shielded against the generat
18. S TOTAL LIABILITY FOR ALL CLAIMS UNDER THIS AGREEMENT SHALL NOT EXCEED THE PRICE PAID FOR THE PRODUCT THESE LIMITATIONS ON POTENTIAL LIABILITIES WERE AN ESSENTIAL ELEMENT IN SETTING THE PRODUCT PRICE INTEL NEITHER ASSUMES NOR AUTHORIZES ANYONE TO ASSUME FOR IT ANY OTHER LIABILITIES Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitations may not apply to you Software provided with the hardware product is not covered under the hardware warranty described above See the applicable software license agreement which shipped with the product for details on any software warranty August 23 1995 Contents Chapter 1 Overview sssesssoccsseessoccssocesoccesocesosossooeesse L iae aA E E E E E E A 1 Physical Description ienne aa E a 2 EERS A EAE Sec RE E EEE ATEA EESE EAE EEEE oot 3 Promt Paneley x2 sts sch So8s Bi eat teense ates i ote E ae 4 Rear Panel EE EEEE E A ces awe oak ea enews 9 Chapter 2 Installing and Removing the Express Hub ccssiscaxcssscdoncesessovevsseesssvatonn Ll Site Preparation e ara a E E E a a 12 Package COMCNS 234 rta ene ereere erea ei a Beers ose ess 13 Required Tools and Materials eee eee cseeseeereeeeeeeeeeeeeeeeensees 13 Installing an Express HUD 0 ceeeesseceeeeeeseeceeeeeeseeceeeeeseeceeeeeenaeens 14 Installing the Hub in a Rack ee eee eeeeeceseceeneeceeeeeeneeceereeeneeees 14 Installing the Hub on a Table or Shelf eect cree ee
19. UTION Check that the screw locks on the cable connectors are fully tightened and the cable connection is secure A faulty cable connection could disrupt the operation of the entire stack NOTE You may need an assistant to remove a hub from a stack that is located on a table or a shelf CAUTION Removing a hub removes port connectivity for that hub from the network When you remove a hub from the middle of the stack a hub that is in the middle of the stack is any hub that is located between two operating hubs you split the Ethernet segment into two separate segments 20 d Tighten the screw locks on the cable connectors to secure the plug to the hub e Repeat steps a through d for all the hubs in the stack Connect the power cords to the AC power receptacles on the rear panel of all the hubs in the stack Connect the power cord to the AC power receptacles on the hub and then to the power outlet Removing an Express hub This section provides instructions for removing an Express hub from a stack When removing an Express hub from a stack follow this sequence 1 Disconnect power cords from the AC power receptacle on the hub rear panel All power sources should be disconnected To verify that power sources are disconnected check that the Pwr LED on the hub front panel is off 2 Disconnect the cascade cables from the Cascade Down and Cascade Up connectors on the hub rear panel Save the cascade cabl
20. ace options 35 10BASE T workstations 31 120 240 V AC power supply see AC power supply 3 A C AC line frequency 33 AC power receptacle connecting cable 20 description 9 disconnecting cable 20 location 9 AC power supply description 3 Pwr LED 26 adapter cards 24 30 advanced SNMP management 36 agent software 36 altitude operating and storage 34 antistatic mat 13 brackets rack mounting removing 21 calculating round trip collision delay 14 15 cascade cable description 10 installation considerations 17 installing 19 20 Cascade Down connector disconnecting cable 20 location 9 Cascade Up connector disconnecting cable 20 location 9 47 INDEX 48 chassis internal components 3 Class I and Class II repeaters 40 Class I repeater collision domains 41 coding schemes media specifications 40 Col LED operating conditions 6 collision domains Class I repeaters 41 confidence test 26 configuring network devices 24 connecting cables to 100BASE T ports 25 customer support 51 D F Data utilization LED operating conditions 6 verifying installation 26 data rate TX and FX 33 determining DTE delay values 46 link segment delay values LSDV 45 repeater delay values 46 dimensions physical 34 disconnecting power cords 20 DTE delay values 46 EIA TIA 568 wiring standard 39 electrical specifications 33 electromagnetic emissions 34 electromagnetic s
21. and 127 bit times one T4 DTE Worst case values are used TX FX values for MAC transmit start and MDI input to collision detect T4 value for MDI input to MDI output Determine the appropriate safety margin for the path A safety margin of 4 bit times is recommended This safety margin is used to provide additional margin to accommodate unanticipated delay elements in the path If 4 bit times is not an appropriate safety margin for your path you can choose between 0 and 5 bit times Insert the delay values determined using the calculations listed above into the following PDV expression Sum of LSDVs sum of repeater delays DTE delay safety margin If the PDV is less than 512 bit times the path is qualified in terms of worst case path delay Index 100 Mbps adapter cards 24 30 workgroups 31 100BASE FX Media Adapter description 35 in media adapter slot 8 installation guidelines 18 network configuration 31 100BASE FX media specification 40 100BASE T network configurations 100BASE T shared LAN 29 100BASE T switched LAN 31 100BASE T network devices 24 25 100BASE T network topologies 400 meters 41 521 6 meters 3 100BASE T shared LAN 29 100BASE T switched LAN 31 100BASE T4 media specification 40 100BASE TX Host Module description 36 in expansion slot 8 installation guidelines 18 100BASE TX media specification 40 100BASE TX ports connecting cables 25 description 4 interf
22. bl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 5897 LED matrix on the Express hub Type Label Color Meaning Hub power supply status Pwr Green Hub is receiving AC power Off Hub is not receiving AC power Hub status Stat Green Hub is powered has passed the confidence test and is operating normally Amber At initial power up this LED lights to indicate the hub is running its confidence test If this LED lights after the confidence test is performed it indicates the hub is not operating normally due to a fan failure a hub power supply failure or a confidence test failure Off Hub is not receiving power Not used RPS N A N A Collision Col Amber A collision event has been detected status Off Collisions are not detected on the segment Network utilization Data Blinking The lt 1 LED blinks green to indicate there is traffic green on the segment that is utilizing less than 1 of the network Solid green The Data LEDs light solid green to indicate the percentage of the network utilization for the Ethernet segment in a standalone hub or a stack of hubs These LEDs operate as a bar graph to provide you with a continuous indication of the network utilization For example if the 1 and 5 Data LED light green the Ethernet segment in that stack of hubs is utilizing 5 of the network CHAPTER 1 Overview Type Label Color Meaning 100BASE T Media Media Green A media adapter is installed in the
23. cal location of the hub in the stack In a fully equipped stack hubs are assigned unit numbers through 6 You can identify the unit numbers of the hubs in the stack through your network management software As you build your stack to include more hubs each hub that is added to the stack is assigned a unit number that relates to the position of the unit in the stack For example if you have four hubs in your stack and you add a hub to the bottom of the stack the new unit is assigned unit 5 If you install your new hub at the top of the stack the new hub is assigned unit 1 and the hubs below the new hub are reset and renumbered in sequence CHAPTER 3 Physical Configuration Guidelines CAUTION Removing a hub removes port connectivity for that hub from the network In nonredundant management configurations removing a hub equipped with an NMM removes management from the entire stack When you remove a hub from the middle of the stack a hub that is in the middle of the stack is any hub that is located between two operating hubs you split the Ethernet segment into two separate segments when the cascade cable is disconnected from the top and bottom hubs In a stack of four hubs if you remove a hub that is assigned unit 2 and connect the cascade cable of unit 1 to unit 3 the hub that was assigned unit 3 will reset and be renumbered as unit 2 100BASE T Network Configurations This section provides information abo
24. connect 1 OOBASE T network devices such as workstations servers and printers to the 1OOBASE T Hub you must ensure that each device is physically and logically configured to operate at 100 Mbps Fast Ethernet Your 1OOBASE T network devices should include 10 100 Mbps adapter cards or 100 Mbps adapter cards that allow the device to transmit and receive data over 100 Mbps pipes To enable the 100 Mbps pipes to be used efficiently you may have to modify the device configuration files If the network devices have not been configured for 100 Mbps Fast Ethernet operation make sure you plan an adequate amount of time to rearchitect your network For instructions on installing adapter cards and configuring network devices refer to the documentation that shipped with your adapter card If these instructions do not include instructions regarding the reconfiguring of your device check the documentation that shipped with that device for this information CHAPTER 3 Physical Configuration Guidelines Connecting Cables to the Hub You can connect devices directly to ports on the Express hub or to ports on installed media adapter and host modules This illustration shows how to connect UTP or STP cable to RJ 45 connectors and fiber optic cable to SC connectors a me UTP or STP cable connection to RJ 45 port Fiber optic cable connection to SC port 5919 1 Connecting cables to
25. e 15 Completing the Installation ee eceesecee cree ceeeeeeeeeeeneaes 15 Installing Multiple Hubs 00 ee ee eeecceeseeceeeeeeneeceeneeeaeceeeeesnaeeeees 17 Stacking and Cascading Hubs uo ee eeeeceeeeeeeeeeeeeeeeeeeeeees 17 Physical Requirements for Installing Multiple Hubs 0 17 Installing and Connecting Multiple Hubs eee 19 Removing an Express hub cece cee cseeesecssecseecaecnaecaeecaeenaenee 20 Removing and Installing Filler Panels ceeeeeseeeceseeceeeeeeeneees 21 Chapter3 Physical Configuration Guidelines 23 Making Connections to LOOBASE T Potts eee eeeeeeeeeee 23 Network Configuration Decisions 0 0 00 cee eeeeeeeeeeeseeseeeseeeees 24 100 Mbps Network Devices 0 0 0 cec eee cse cee cseeeseeeeceeeneeeeeneeene 24 Connecting Cables to the Hub ee ceececeeeeeseeeeeeeeensees 25 Verifying Installations ase Buys ats eut eaten aas 26 Checking the LEDS zienen sio aceea sE E EEEa seas oe 26 Other Items To Check c s cccscsseesssssssessscssstscsssesvenssspveeesesessseonesees 27 Unit Numbering Convention eee eeecceeeceeeeeeeeseeeseeeeeeeeensees 28 100BASE T Network Configurations 2 0 0 0 cece seeseeseeseeeneeeeeeeee 29 1OOBASE T Shared LAN 000 ceeceseeseeeecneceeeeeeeeaecseeeaeenees 29 100BASE T Switched LAN w ee ceeeseeeeceeceseeeeeceecseeeaeesees 31 Appendix A Technical Specifications and Optional Equipment seessoeesoocssscsssccssccesocessosessesss OO Technical Specifications t
26. e that was removed with the inoperable hub for later use 3 Connect the free end of the cable connected to the Cascade Down connector on the hub above the inoperable hub to the Cascade Up connector on the hub below the inoperable hub Cascade down 7 j Cascade up Cascade cable 5912 Installing a cascade cable CHAPTER 2 Installing and Removing the Express Hub CAUTION Check that the screw locks on the cable connectors are fully tightened and the cable connection is secure A faulty cable connection could disrupt the operation of the entire stack For hubs that are mounted on a rack you may have to remove the inoperable hub from the stack and move the adjacent hub up one rack mounting space or install a replacement hub in the rack before connecting the cascade cable to the new hub For hubs that are mounted on a table or shelf remove the inoperable hub before connecting the cascade cable to the new hub 4 To remove the hub from the rack follow these steps a Use a 2 Phillips screwdriver loosen the screws that secure each mounting bracket to the rack b Remove the screws from the mounting bracket while supporting the bottom of the hub then carefully remove the hub from the rack 5 To remove the hub from a stack that is mounted on a table or shelf gently lift the hub or hubs that are stacked on top of t
27. ed ports LED matrix that provides at a glance status for the individual ports on a hub the hub or an entire stack of hubs and provides network utilization status for the Ethernet segment in a stack of hubs Expansion slot to accommodate modules supporting management and additional connectivity capabilities CHAPTER 1 Intel Express 100BASE TX Stackable Hub 100BASE T Media adapter slot to accommodate an optional media adapter that allows the repeater to be connected to other 100BASE T network devices MDI MDI X push button switch that allows 1OOBASE T port 1 to be configured to connect to a 1OOBASE T switch or other 100BASE T internetworking device such as a router using a straight through cable Physical Description The Express hub is a stackable hub that is designed to efficiently handle both the needs of your 1 OOBASE T network today and the increasing needs of your network as it expands in the future The Express hub provides 12 1OOBASE T ports with RJ 45 connectors for connection to 12 end stations operating at 100 Mbps In addition the hub provides slots that accommodate various modules to further your network capabilities This section provides physical descriptions of the chassis and the front and rear panels of the Express hub See Appendix A Technical Specifications and Optional Equipment for a description of optional modules supported by the Express hub CHAPTER 1 Overview Chass
28. er or repeater stack to the switching hub through a 100 Mbps fiber link Two servers equipped with 100 Mbps adapter cards and a router equipped with a 100BASE T interface are also located in the network center to provide centralized services to workstations that are operating at 100 Mbps and 10 Mbps Users with 10 Mbps workstations are connected to a System 5000 hub that is also located in the mid tier network center 31 CHAPTER 3 Intel Express 100BASE TX Stackable Hub 32 By integrating the switching hub into the network that populates both 10 Mbps and 100 Mbps workstations both groups experience the benefits of high speed networking even if they are not operating at the faster data transmission speed both groups receive dedicated bandwidth 10 Mbps or 100 Mbps that allows for quicker access to the servers and router connected to the switch Appendix A Technical Specifications and Optional Equipment This appendix provides technical specification for the Express 100BASE TX stackable hub It also describes optional equipment supported by the Express hub Technical Specifications Network Protocol and Standards Compatibility TIEFE 802 3u 1OOBASE T Data Rate TX 100 Mbps with 4B 5B coding scheme FX 100 Mbps with 4B 5B coding scheme Electrical Specifications Input power 160 W Thermal rating 550 BTU hr AC line frequency 47 63 Hz Input voltage rms 90 264 V AC Volt amperes rating 250 VA 33 APPENDIX
29. er panels installed in expansion and media adapter slots Support for at least 12 3 Ibs 5 6 kg per Express hub with an optional NMM installed the expansion slot and an optional media adapter module installed in the media adapter slot Standard 19 in 48 26 cm EIA equipment rack 1 5 EIA rack mount spaces available for each Express hub Wiring hardware such as punchdown blocks or patch panels in place before installing the hub CHAPTER 2 Installing and Removing the Express Hub Package Contents Before you install the Express hub check to see that you have these items Power cord 100BASE T hub 10 bracket screws 4 rack screws 2 mounting with nylon washers brackets User guide 5907 1 Package contents If any items are missing or damaged contact the sales or customer service representative from whom you purchased your equipment Required Tools and Materials To install the Express hub you need the following tools and materials e Cascade cable Intel order number EC100CC for connecting two stacked hubs a full stack of six hubs requires five cascade cables e 1 Phillips screwdriver for attaching mounting brackets e 2 Phillips screwdriver for tightening mounting screws e Antistatic mat and wrist strap attached to an antistatic leash to protect electronic components from static electricity damage CHAPTER 2 Intel Express 100BASE TX Stackable Hub Installing an Express hub This section p
30. ernene aee eie Rire 33 Optional Equipment seesesssesesseeessseeessrssrsresrsseeresteeresreesrenresereesreet 35 Medis Adapters sen ne e ae a A E RES 35 Network Management Module eee eeceseceseceecneecneeeneeeee 36 1OOBASE TX Host Modules 00 eee ee eeeeeseeeeeeseeeseceecneeseeeaes 36 Appendix B 100BASE T Topology Rules and GuidelineSs soesoossessossoossessossoossossssssossees JD Physical Layer Media Specifications ce eeeeeseceseeeeeeeeeeeees 39 Repeater Rules ssc scscssciisscistsctesssestedeskecsestotdesbessoapsctudesescdssiosseassasss 40 Network Topology Extensions cceseceeseceeneeceteeeeeceereeeneeeees 41 Calculating Round Trip Collision Delay 00 0 eee eects 44 Index EE E ET E e i Intel customer SuUpport esssssecesssccesssoocessooceesosecesssesesss DD Overview This chapter introduces the Intel Express 1OOBASE TX stackable hub and covers the following topics e A summary of the key features of the Express hub e A physical description of the Express hub and its components e A description of the upcoming optional equipment supported by the Express hub Features The key features of the Express hub are e JEEE 802 3u standard for Fast 100 Mbps Ethernet conformity e Scaleable architecture that allows up to six hubs to be stacked for a total of 144 fixed ports per single shared repeater or collision domain e Stackable self contained chassis equipped with 12 100BASE TX fix
31. he hub to be replaced and carefully remove that hub from the stack Removing and Installing Filler Panels The Express hub is shipped with filler panels installed in the media adapter and expansion slots The filler panels serve the following functions e Provide a safety barrier against reaching into an operating hub e Maintain proper airflow for cooling the hub The filler panels can easily be removed when you are ready to install modules in the media adapter and expansion slots Remember to keep your filler panels for future use you should reinstall the filler panel if you have to remove a module from a slot for an extended length of time This section describes how to remove and install filler panels 21 CHAPTER 2 Intel Express 100BASE TX Stackable Hub To remove a filler panel loosen the screws on the front of the filler panel grasp the tab on the front of the panel and pull the filler panel out of the slot 5914 Removing a filler panel To install a filler panel follow these steps 1 Align the left and right edges of the filler panel in the card guides at the left and right of the slot 2 Slide the filler panel in until the front panel of the filler panel is flush with the front panel of the hub 3 Tighten the screws to secure the filler panel to the hub Installing filler panels 22 Physical Configuration Guidelines This chapter describes e Making connections to ports on the Exp
32. ion of radio interference in accordance with the application of Council Directive 89 336 EEC Article 4a Conformity is declared by the application of EN 55 022 1987 Class B CISPR 22 1985 BS 6527 1988 Compliance with the applicable regulations is dependent upon the use of shielded cables Best tigung des Herstellers Importeurs Es wird hiermit best tigt da das 1OOBASE TX Stackable Hub gem der im BMPT AmtsblVfg 243 1991 und Vfg 46 1992 aufgef hrten Bestimmungen entstort ist Das vorschriftsmabige Betreiben einiger Ger te z B Testsender kann jedoch gewissen Beschr nkungen unterliegen Lesen Sie dazu bitte die Anmerkungen in der Betriebsanleitung Das Bundesamt f r Zulassungen in der Telekommunikation wurde davon unterrichtet da dieses Ger t auf den Markt gebracht wurde und es ist berechtigt die Serie auf die Erf llung der Vorschriften hin zu berpr fen Die Erf llung der zutreffenden Vorschriften h ngt von der Benutzung geschirmter Kabel ab Der Benutzer ist f r den Erwerb der entsprechenden Kabel verantwortlich Certificate of the Manufacturer Importer It is hereby certified that the 1OOBASE TX Stackable Hub has been suppressed in accordance with the conditions set out in the BMPT AmtsblVfg 243 1991 and Vfg 46 1992 The operation of some equipment for example test transmitters in accordance with the regulations may however be subject to certain restrictions Please refer to the notes in the operating instructions
33. is The Express hub components are enclosed in a 19 inch 48 26 centimeter wide chassis which is 1 5 EIA rack mount spaces high The chassis consists of a metal frame and a plastic front panel and it contains components that are pertinent to the operation of the hub Motherboard Fans Power supply Front panel 5905 Express 100BASE TX stackable hub Major Components The chassis contains the following major components e Motherboard e AC power supply e Two fans The motherboard in the Express hub contains the circuitry that drives and processes all 1OOBASE T repeater functions The Express hub is equipped with a 120 240 V AC universal power supply All components and plug in modules derive their power from the AC power supply The hub is equipped with two fans that cool the hub components and ensure normal operation CHAPTER 1 Intel Express 100BASE TX Stackable Hub Front Panel The front panel of the Express hub provides 12 1OOBASE T ports an MDI MDI X switch an LED matrix a media adapter slot and an expansion slot on Sas ars T mn Perser EEEE SSeS ae 5895 Front panel of the Express 100BASE TX stackable hub RJ 45 100BASE TX Ports The front panel of the Express hub provides 12 1OOBASE TX ports with fixed RJ 45 connectors for connectivity to
34. issions Meets requirements of FCC Part 15 Subpart B Class A EN 55 022 CISPR 22 1985 Class B General License VDE 0871 Class B Amtsbl1Vfg No 243 1991 and Vfg 46 1992 VCCI Class 1 ITE Limited 1 year hardware warranty Intel warrants to the original owner that the hardware product delivered in this package will be free from defects in material and workmanship This warranty does not cover the product if it is damaged in the process of being installed or improperly used THE ABOVE WARRANTY IS IN LIEU OF ANY OTHER WARRANTY WHETHER EXPRESS IMPLIED OR STATUTORY INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE ARISING OUT OF ANY PROPOSAL SPECIFICATION OR SAMPLE This warranty does not cover replacement of products damaged by abuse accident misuse neglect alteration repair disaster improper installation or improper testing If the product is found to be defective within one year of purchase Intel at its option will replace or repair the product at no charge except as set forth below or refund your purchase price provided that you deliver the product along with a Return Material Authorization RMA number see below along with proof of purchase if not registered either to the dealer from whom you purchased it or to Intel with an explanation of any deficiency If you ship the product you must assume the risk of damage or loss in transit You must use the original container or the eq
35. ively managed by an NMM located in one of the hubs in the stack A Port Status LED for each port on the hub 1 12 and each port on an optional installed host module 13 24 provides port status LED Color Status indications Hub ports 1 12 Green Link is good port is not and 100BASE T partitioned host module ports 13 24 Amber Link is good port is partitioned Off Link is not detected port is either partitioned or not Other Items To Check You can check the following additional items Verify that each connected station operates properly If an NMM is installed Verify that the NMM is installed properly refer to the documentation that shipped with your NMM Refer to the documentation that shipped with your 1OOBASE T NMM to verify the operation of the hub through its service port 27 CHAPTER 3 Intel Express 100BASE TX Stackable Hub 28 Unit Numbering Convention This section provides information about the hub unit numbering convention The unit numbering convention is invoked when an NMM is installed in one of the Express hubs in a stack When Express hubs are stacked cascaded and powered they are assigned unit numbers that are stored in nonvolatile memory on the hub motherboard The NMM assigns units numbers from the top down the hub at the top of the stack is assigned unit 1 the hub below unit 1 is assigned unit 2 and so on Unit numbers are assigned according to the physi
36. l the module in the appropriate slot The media adapter fits into the media adapter slot For instructions on installing a media adapter refer to the documentation that shipped with your media adapter The NMM fits into the expansion slot For instructions on installing an NMM refer to the documentation that shipped with your NMM The 100BASE TX Host Module fits into the expansion slot For instructions on installing a 100BASE TX Host Module refer to the documentation that shipped with your host module Make the connections to the ports on the hub and optional installed media adapter and host module For instructions on making connections to ports see Making Connections to 1OOBASE T Ports in Chapter 3 When installation for each unit in your stack is complete connect the power cord s to the hub Connect the power cord s first to the power entry receptacle on the hub rear panel and then to the wall Verify the installation For instructions on verifying the installation see Verifying Installation in Chapter 3 CHAPTER 2 Installing and Removing the Express Hub Installing Multiple Hubs This section describes building a stack of Express hubs Included in this section are the guidelines for stacking and cascading Express hubs and the physical requirements for installing multiple hubs Review the guidelines and requirements before installing your equipment Stacking and Cascading Hubs You can connect multiple hubs
37. nd connector types and the coding scheme that each media specification uses Media Cable type s Connector Coding specification type s scheme 100BASE TX Cat 5 UTP RJ 45 4B 5B 2 pair wire 100 ohm STP RJ 45 2 pair wire 100BASE FX 62 5 125 micron SC or ST 4B 5B fiber optic cable 2 multimode fibers 100BASE T4 Cat 3 4 5 UTP RJ 45 8B6T 4 pair wire Repeater Rules There are two types of repeaters defined in the 100BASE T standard Class I and Class II repeaters The Express hub is a Class I repeater Class I repeaters sometimes called translational repeaters limit the number of repeaters in a physical domain to one because both signaling systems are typically supported that is both 1OOBASE TX 100BASE FX and 1OOBASE T4 However the one repeater maximum for Class I repeaters does not limit the port density of 100BASE T networks when stackable hubs are used The Express hubs can be stacked to form a single large number port repeater where each repeater or repeater stack can be managed like a singular repeater unit APPEND X 100BASE T Topology Rules and Guidelines This table lists the maximum diameter of Class I repeater collision domains when copper fiber and mixed copper and fiber media types are used Repeater Copper Fiber Multiple Multiple Model links links copper links copper links only only TX amp one T4 amp one fiber link FX fiber link FX Class I repeater 200
38. nections When a port is configured to operate at 10 Mbps the workstations running applications across 10 Mbps links can access centralized servers through the switching hub Here is how the 1OOBASE T Hub in the wiring closet interfaces with a switching hub in the mid tier network center to increase the total capacity and performance of an entire network 100 Mb s Stack of Mid tier network center Perlis port 100BASE T hubs System 5000 hub 100 m CJ ce LJ 100BASE T ae engineering workgroup 10BASE T Legend workstations 10 Mb s UTP 100 Mb s UTP g 5 switching hub Stack of 100 Mb s fiber geeeesy 100BASE T hubs i ooa L_ Servers SoS 100BASE T with 100 Mb s s z administrative adapters Router me all workgroup transceiver 5877 1 100BASE T switched LAN As you can see two groups of 100 Mbps workstations are connected to two separate repeaters in the wiring closet The 100BASE T Hubs can be stacked to provide multiple ports per repeater This network shows two repeater stacks that support individual workgroups A 100BASE FX media adapter is installed in the 100BASE T Hub and allows you to connect a repeat
39. nstallation 27 Pwr operating conditions 6 removing a hub 20 verifying installation 26 Stat confidence test 26 operating conditions 6 verifying installation 26 link segment delay values LSDV 45 M P Management Mstr LED verifying installation 27 Management Stat LED operating conditions 7 verifying installation 27 MDI MDI X switch 5 Media Adapter 1 LED operating conditions 7 verifying installation 26 media adapter slot 8 media specification coding schemes 40 mid tier network center switching hub 31 motherboard 3 mounting brackets removing 21 network devices 24 25 network microsegmentation 31 network protocol and standards compatibility 33 NMM advanced SNMP management 36 agent software 36 description 14 15 in expansion slot 8 installation guidelines 18 redundant management configuration 18 unit numbering convention 18 verifying installation 27 operating environment requirements 12 package contents 13 PDV formula 46 physical specifications 34 port 1 MDI X MDI wiring 5 Port Status LEDs operating conditions 7 verifying installation 27 power cords connecting 16 20 disconnecting 20 restrictions 15 16 19 product features 1 Pwr LED operating conditions 6 removing a hub 20 verifying installation 26 R W rear panel features AC power receptacle 9 Cascade Down connector 9 Cascade Up connector 9 redundant management configuration 18 Redundant Power connect
40. oll free 0120 868686 9 12 00 amp 13 17 00 Mon Fri From Hong Kong call 852 2 844 4456 8 18 00 From Korea call 822 767 2595 8 18 00 From Taiwan call 886 2 718 9915 8 18 00 All local times You can also contact your local dealer or distributor Worldwide Call 1 503 264 7354 7 5 00 Mon Wed amp Fri 7 3 00 Thur All U S Pacific time Brand name or trademark owned by another company 51
41. omain 3 Domain 4 J 100 meter Category 5 UTP 160 8 meter fiber cable 5874 2 Interconnecting repeaters and switches in multiple domains Calculating Round Trip Collision Delay Calculating the round trip collision delay between all pairs of DTEs in a LOOBASE T network ensures that the network is not violating the CSMA CD protocol This calculation involves selecting the worst case path delay PDV to determine if your network falls within round trip collision requirements The worst case path is usually the path between the two DTEs at the opposite ends of the network and the transmissions between them have the longest round trip time To qualify the DTE to DTE path in terms of worst case delay you must ensure that the maximum length fragment contains less than 512 bits after the start of the frame delimiter To determine if the DTE to DTE paths fall within PDV requirements for a 100BASE T network calculate the delay values for the following network devices e Link segment delay values LSDV e Repeater delay values e DTE delay values e Safety margin value These values can be plugged into the following formula to calculate the worst case PDV for each path PDV Sum of LSDVs sum of repeater delays DTE delays safety margin APPENDIX 100BASE T Topology Rules and Guidelines After you calculate values for each network device in the path use these values to determine the PDV for all paths in your network If
42. or location 9 49 INDEX 50 removing filler panels 22 hub rack installations 21 table or shelf installations 21 mounting brackets 21 repeater delay values 46 repeater rules for Class I repeaters 40 requirements filler panels 21 installation tools 13 restrictions power cords 15 16 19 RJ 45 connectors 100BASE TX host module 36 connecting cable 25 hub front panel 4 interface options 35 media specification parameters 40 port 1 MDI X MDI wiring 5 safety agency approvals 34 SC connectors 35 40 100BASE FX media adapter 35 connecting cable 25 stacking and cascading units 17 standard IEEE 100BASE T 802 3u 39 Stat LED confidence test 26 operating conditions 6 verifying installation 26 technical support 51 temperature operating and storage 34 thermal rating 33 tools required for installation 13 unit numbering convention description 14 15 mounting requirements 18 ventilation filler panels 21 volt amperes rating 33 weight 34 wiring closet hub 31 wiring standard EIA TIA 568 39 workgroups 100 Mbps 31 worst case path delay PDV 44 wrist strap 13 Intel customer support Internet FTP and World Wide Web Download files or other information from Intel s CompuServe Intel Forum Must be a CompuServe subscriber Dial in by modem 7 E Intel BBS Connect to Intel s bulletin board service Dial in by modem 8 FaxBack Have documents faxed to you Wo
43. otal network diameter 2a Collision domain 1 Collision domain 2 00 meter Category 5 UTP 5872 1 100BASE T network topology of 400 meters In the next illustration the network topology is extended to a maximum distance of 521 6 meters In this network two 160 8 meter fiber links connect two repeaters to a switch in the wiring closet 100 meter Category 5 copper links connect workstations and servers to the 100BASE T repeater Each collision domain in this network is a maximum of 260 8 meters When the collision domains are interconnected through the switch the network topology is extended to a total of 521 6 meters APPEND X 100BASE T Topology Rules and Guidelines 521 6 m total network topology 160 8 M 100BASE TX r E mmm switching hub H 1 160 8 m 1 TTT TTT ee 1 coco Boe eee eee en Ps 1 Stack of Stack of L 1 100BASE T hubs 100BASE T workstations I 7 C 100BASE T l hubs 222 i l i i 100 m i i i i i i i i i i i i l Collision domain 1 Collision domain 2 100 meter Category 5 UTP 160 8 meter fiber 5872 2 100BASE T network topology of 521 6 meters You can extend the 100BASE T network topology further by interconnecting the switches using fiber links Interconnecting two switches creates a
44. reparation earlier in this chapter for a list of table and shelf installation requirements Installing Optional Modules in the Hub You can install an optional 1OOBASE T media adapter in the media adapter slot and an optional 1OOBASE T host module or 1OOBASE T NMM in the expansion slot You should install the modules in the hub before connecting power to the hub If the modules are installed in these slots when the hub is powered the hub may reset when the module is inserted into the slot During a reset you will temporarily lose port connectivity in the hub that is reset In nonredundant management configurations if you reset a hub equipped with an NMM you will temporarily lose management to the entire stack of hubs Installing Network Management Modules Any Express hub in a stack can accommodate the 1OOBASE T NMM however it is recommended that you install the NMM in the hub at the top of your stack When an NMM is installed in the stack it automatically assigns and stores the numbers of the hubs in the stack In a redundant management configuration you can install two 100BASE T NMMs in two separate hubs in the stack One of the NMMs is designated the master NMM and actively manages the stack while the second NMM operates in a standby mode For more information about the NMM and redundant management configuration refer to the documentation that shipped with your NMM CHAPTER 2 Installing and Removing the Express Hub
45. ress hub e Verifying the installation e The unit numbering convention e Typical 100BASE T network configurations Making Connections to 100BASE T Ports This section provides the information you need to know before you connect cables to the 100BASE T ports on the hub and the optional 100BASE T Media Adapters and 100BASE T Host Modules This information covers the following topics e Making decisions about your network configuration e Ensuring your network devices are configured for 100 Mbps operation This section also provides information about making cable connections to LOOBASE T ports on the Express hub 23 CHAPTER 3 Intel Express 100BASE TX Stackable Hub 24 Network Configuration Decisions Before connecting your network devices to the ports on the Express hub make sure you have made the following network configuration decisions e Ensure that the new connections are within the simple Fast Ethernet repeater rules e Ensure that all 1OOBASE T connections are within their cable length limits e Determine what kinds of cables you will use for 1OOBASE T port connections Ensure that the cables you choose comply with the type of port you are connecting to e Determine which 100BASE T modules you will need to install in the hub if any for connecting your network devices Refer to Appendix B to review the guidelines that can help you determine your network configuration 100 Mbps Network Devices To
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47. rovides information and instructions for installing a single Express hub in a rack or on a table or shelf For instructions on installing multiple Express hubs see Installing Multiple Hubs later in this chapter Installing the Hub in a Rack To install the hub in a rack follow these steps 1 Attach the mounting brackets to the sides of the hub a Hold a mounting bracket against each side of the hub as shown in the illustration below and align the countersunk screw holes in the bracket with the bracket mounting holes in the hub b Insert the screws provided with the mounting brackets through each bracket and into the bracket mounting holes in the hub c Using a 1 Phillips screwdriver tighten the screws to secure each bracket 2 Hold the hub with the mounting holes in the brackets aligned with holes in the rack 5908 Installing the hub in an equipment rack CHAPTER 2 Installing and Removing the Express Hub CAUTION Do not connect thepower cords to the hubs until all the units in the stack are installed and hubs are connected by cascade cables and are ready for operation 3 Insert two pan head screws with nylon washers through each mounting bracket and into the rack 4 Using a 2 Phillips screwdriver tighten the screws to secure the hub to the rack 5 Continue with Completing the Installation to finish this installation procedure Installing the Hub on a Table or Shelf
48. t the hub Stat LED lights amber to indicate the confidence test is in progress When the confidence test is successfully completed the LEDs on the hub front panel should appear as follows e The Pwr LED lights green to indicate the hub is receiving power from the hub AC power supply e The Stat LED lights green to indicate the hub has passed the confidence test and is operating normally e The Data LEDs light green on each individual hub to indicate the overall network utilization percentage of the Ethernet segment for a standalone hub or a stack of hubs e If an optional media adapter module is installed in the media adapter slot the appropriate cable is connected to the media adapter port and the link status is good the Media Adapter 1 LED lights green CHAPTER 3 Physical Configuration Guidelines If an optional module is installed in the expansion slot the Expansion Slot Stat LED lights green to indicate the module in the expansion slot has passed the confidence test and is operating normally If an optional NMM is installed in the expansion slot the Management LEDs light as follows The Stat LED lights green to indicate the NMM has passed the confidence test and is operating normally The Mstr LED lights green to indicate the NMM is the master NMM in the stack The Enbl LEDs on each hub in the stack lights green to indicate that the hub is properly connected to the other hubs in the stack and is act
49. the Media Adapter LED provides port status for the media adapter port Interface Options RJ 45 connectors for Category 5 UTP 2 pair wire and 100 ohm STP 2 pair wire 1 OOBASE TX Ethernet interface Fiber optic SC connectors for 1OOBASE FX Ethernet interface with installed 1OOBASE FX media adapter Optional Equipment The Express hub offers two slots for additional modules that expand the dimensions of your network The Express hub is shipped with filler panels installed in the media adapter and expansion slots The filler panels can be easily removed to accommodate optional 100BASE T modules This section provides a brief description of the optional modules that are available for installation in these slots Media Adapters The 100BASE T Media Adapters fit into the media adapter slot and provide a connection to other 1OOBASE T equipment in your network A 100BASE FX Media Adapter is available for installation into the media adapter slot The 1OOBASE FX Media Adapter provides a standard SC connector for 62 5 125 um multimode fiber optic cable The maximum distance between the port and the attached device is 160 meters including all patch cables panels and connectors when only one fiber optic cable is used in the entire stack or segment For instructions on how to install a media adapter in the hub refer to the documentation that shipped with your media adapter 35 APPENDIX A Intel Express 100BASE TX Stackable Hub
50. together to increase the number of connections to your network A stack of a maximum of six hubs can be installed in the standard 19 in 48 26 cm equipment rack or on a shelf or a table Once the hubs are stacked and secured either in the rack or on a table or shelf you can connect them in the stack using Intel cascade cables The cascade cable is a unique cable for the Express hub Use this cable to connect two adjacent hubs in a stack You can connect two adjacent hubs as long as the distance between the two hubs is not greater than 2 inches 0 05 meters Physical Requirements for Installing Multiple Hubs When you install a stack of Express hubs consider the following installation requirements e The mounting requirements for installing multiple hubs e The requirements for installing NMMs CHAPTER 2 Intel Express 100BASE TX Stackable Hub Mounting Requirements for Installing Multiple Hubs Position the hub you want to be numbered 1 at the top of the stack When an NMM is installed in the stack it assigns unit numbers starting from the top of the stack For information about the unit numbering convention see Unit Numbering Convention in Chapter 3 For rack installations you should leave enough room in the rack to expand the stack to six hubs Each hub occupies 1 5 EIA rack mount spaces For table or shelf installations make sure the shelf or table can support the weight of six fully equipped hubs See Site P
51. uivalent and pay the shipping charge Intel may replace or repair the product with either new or reconditioned parts and any part or product replaced becomes Intel s property Repaired or replaced products will be returned at the same revision level as received or higher at Intel s option Intel reserves the right to replace discontinued product with an equivalent current generation product Returning a defective product From North America Before returning any product contact Intel Customer Support and obtain a Return Material Authorization RMA number by calling 1 503 264 7000 If the Customer Support Group verifies that the product is defective they will have the RMA department issue you an RMA number to place on the outer package of the product Intel cannot accept any product without an RMA number on the package All other locations Return the product to the place of purchase for a refund or replacement Limitation of liability and remedies INTEL SHALL HAVE NO LIABILITY FOR ANY INDIRECT SPECULATIVE CONSEQUENTIAL INCIDENTAL PUNITIVE OR SPECIAL DAMAGES ARISING FROM THE USE OF OR INABILITY TO USE THIS PRODUCT INCLUDING WITHOUT LIMITATION LOSS OF USE BUSINESS INTERRUPTIONS LOSS OF PROFITS AND LOSS OF GOODWILL WHETHER ANY SUCH DAMAGES ARISE OUT OF CONTRACT NEGLIGENCE TORT OR UNDER ANY WARRANTY IRRESPECTIVE OF WHETHER INTEL HAS ADVANCE NOTICE OF THE POSSIBILITY OF ANY SUCH DAMAGES NOTWITHSTANDING THE FOREGOING INTEL
52. usceptibility specifications 34 Enbl LED verifying installation 27 environmental specifications 34 Ethernet segment cascade cable 10 collision occurrence 5 network device support 30 network utilization status 5 6 26 expansion slot 8 Expansion Slot Stat LED operating conditions 7 verifying installation 27 fans 3 filler panels installation requirements 21 installing 22 removing 22 ventilation 21 front panel features 100BASE TX ports 4 LED matrix 5 MDI MDI X switch 5 H L high speed networking 32 humidity operating and storage 34 IEEE 100BASE T 802 3u standard 39 input power specification 33 input voltage rms specification 33 installation tools required 13 installing cascade cable 19 20 filler panels 22 hub in a rack 3 on a table or shelf 15 mounting brackets 14 15 multiple hubs 19 NMM 18 optional modules 16 18 power cords 20 Intel customer support 51 interface options 35 LattisSwitch switching hub 31 LED matrix 5 LEDs Col operating conditions 6 Data utilization operating conditions 6 verifying installation 26 Enbl verifying installation 27 INDEX Expansion Slot Stat operating conditions 7 verifying installation 27 Management Mstr verifying installation 27 Management Stat operating conditions 7 verifying installation 27 Media Adapter 1 operating conditions 7 verifying installation 26 Port Status operating conditions 7 verifying i
53. ut the typical 1 OOBASE T network configurations that incorporate the Express hub The versatile repeater plays a key role in a 100BASE T shared local area network LAN and a 1OOBASE T switched LAN In both high speed network configurations the repeater is installed in the wiring closet to greatly increase the performance of your network 100BASE T Shared LAN Users who are operating network intensive applications on powerful workstations require more bandwidth than the conventional 1OBASE T network can offer therefore requiring the need for expanded bandwidth By migrating users who require more bandwidth to devices that operate at 100 Mbps Fast Ethernet you can greatly increase their bandwidth and response times By installing the Express hub in your network you can create a power workgroup with many users who can share access to centralized network devices such as servers and printers that are operating at 100 Mbps 29 CHAPTER 3 Intel Express 100BASE TX Stackable Hub 30 Connecting 100BASE T Workstations to the Hub You can connect up to 12 workstations to 12 fixed ports with RJ 45 connectors on the Express hub provided that the workstations are configured to operate at 100 Mbps see 100 Mbps Network Devices earlier in this chapter This illustration shows a UTP cable that is connected to an RJ 45 connector on a 100 Mbps adapter card installed in a workstation The other end of the 100 meter maximum UTP cable is
54. with 12 LOOBASE TX ports with standard RJ 45 connectors that allow you to connect up to 12 10OBASE TX end stations These 1 OOBASE TX ports accept Category 5 UTP cable and 100 ohm STP cable that extends up to 100 meters 328 feet for connection to the network device APPENDIX A Technical Specifications and Optional Equipment You can install up to six 1OOBASE TX Host Modules in an unmanaged stack to provide you with 144 ports per Fast Ethernet segment In a managed stack you can install up to five host modules to provide you with 132 ports per Fast Ethernet segment For instructions on how to install a LOOBASE TX Host Module in the hub refer to the documentation that shipped with your host module 37 Appendix B 100BASE T Topology Rules and Guidelines This appendix describes e 100BASE T physical layer media specifications e Repeater rules For a complete explanation of the set of LOOBASE T rules and guidelines refer to the Institute of Electronics Engineers IEEE 100BASE T 802 3u standard For information about cables for Ethernet networks refer to the Electronic Industries Association Telecommunications Industry Association EIA TIA wiring standard EIA TIA 568 Physical Layer Media Specifications These three media specifications are associated with 1OOBASE T e 100BASE TX e 100BASE FX e 100BASE T4 39 APPENDIX Intel Express 100BASE TX Stackable Hub 40 The following table lists the cable a
55. work devices using a different media Media adapter slot Expansion slot 5906 Media adapter and expansion slots in the Express hub For more information about the optional media adapter see Media Adapters later in this chapter Expansion Slot The expansion slot is located in the lower half of the Express hub and accommodates several optional 1 OOBASE T modules that extend your networking capabilities The following 1OOBASE T modules can be installed in the expansion slot e 100BASE T NMM e 100BASE TX host module For information about these modules see Optional Equipment in Appendix A CHAPTER 1 Overview Rear Panel The rear panel of the Express hub provides an AC power receptacle a Redundant Power connector and two cascade cable connectors SY cagaran s5 s 5898 Rear panel of the Express hub Power Receptacle The AC power receptacle is provided for connection to the AC power outlet The Express hub accepts between 100 and 240 V AC Cascade Connectors The Cascade Down and Cascade Up connectors and an Intel cascade cable allow you to stack and link multiple Express hubs so you can expand port connections at a particular workgroup in your network The cascade cable connects to the Cascade Down cable on the top hub and the Cascade Up cable on the bottom hub
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