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CrossFire 8730 Switch Installation Guide, DOC-7046 v. 1.2 Troubleshooting

5. Troubleshooting

This chapter contains procedures that help you troubleshoot problems with a
CrossFire 8730 Fast Ethernet Translation Switch and its connections to other
devices.

Obtaining Service

There are no serviceable parts inside the switch. Do not remove the cover for any
reason. If you think your switch requires service, please contact Olicom Technical
Support. Please refer to Chapter 6, “Getting in Touch with Technical Support” for
instructions.

Troubleshooting in a Network

The switch console and SNMP management agent give you access to important
statistics and other information about the network, as seen by the switch. (See the
CrossFire 8730 Fast Ethernet Translation Switch—Reference Guide).

The

“Port Statistics Menu”

section in the

CrossFire 8730 Fast Ethernet Translation

Switch—Reference Guide

can be helpful in isolating network level problems.

The Switched Port Analyzer feature allows a network analyzer to be attached to a
port on the switch to monitor, in real time, switch activity of another port. See

“Monitoring Port Traffic”

in the

CrossFire 8730 Fast Ethernet Translation

Switch—Reference Guide

for information on configuring the Switched Port

Analyzer.

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Содержание CrossFire 8730

Страница 1: ...I n s t a l l a t i o n G u i d e DOC 7046 1 2 CrossFireTM 8730 Fast Ethernet Translation Switch ...

Страница 2: ......

Страница 3: ...CrossFire TM 8730 Fast Ethernet Translation Switch Installation Guide ...

Страница 4: ...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 and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this eq...

Страница 5: ...led near the equipment and shall be easily accessible 2 To prevent electrical shock the power cord set used must comply with national regulations 2a The female receptacle of the cord must meet CEE 22 requirements 2b The cord must be UL listed CSA labelled and consist of three conductors with a maximum of 15 feet in length Type SVT or SJT cord sets shall be used for units which stand on a desk or t...

Страница 6: ...iv CrossFire 8730 Switch Installation Guide DOC 7046 v 1 2 ...

Страница 7: ...vironment 19 Chassis Accessibility 19 Cooling and Airflow 19 Power 19 Unpacking and Inspecting 21 Physical Configuration Restrictions 22 Required Network Preparation Frame Length Limit 22 Cables and Distances between Devices 23 3 Installation 25 Installation Summary 25 Unpacking Instructions 26 Materials Needed for Installation 26 Mounting the Chassis 27 Rack or Cabinet Mounting 27 Table Mounting ...

Страница 8: ...hnical Support 53 Before You Contact Olicom Technical Support 53 Hotline Support 53 Fax Support 54 Internet E Mail 54 Anonymous Internet FTP Server 54 Internet World Wide Web Server WWW 54 Olicom Support WEB 55 Problem Report Form 56 Appendix A Cable and Pin Information 59 Connecting to the Out of Band Management Port 59 Out of Band Management Port and Cable Pin Outs 60 Token Ring Ports 62 Twisted...

Страница 9: ...J 45 Straight Through Cable 62 Figure 14 RJ 45 Pin Out 66 Figure 15 Crossover Cable Schematic 66 Figure 16 Straight Through Cable Schematic 67 List of Tables Table 1 Front Panel Connectors and Push Buttons 2 Table 2 Front Panel LEDs 5 Table 3 Back Panel Connectors 7 Table 4 Hardware Specifications 11 Table 5 TokenRing Performance Specifications 12 Table 6 Translation Performance Specifications 13 ...

Страница 10: ...witch as well as a list of features and specifications Chapter 2 Preparing for Installation provides information to be read before the installation Chapter 3 Installation contains instructions for installing connecting and verifying the operation of the switch Chapter 4 Switch Access explains how to set up a connection to access the switch console interface for switch management Chapter 5 Troubles...

Страница 11: ...Ring workgroups to Fast Ethernet and gives the benefit of LAN Local Area Network switching to eliminate congestion and maximise bandwidth The CrossFire 8730 Switch supports translational bridging for all key network protocols SNA IP IPX NetBios all native Token Ring features including source routing and VLAN tagging IEEE 802 1Q and all network speeds for both standard Token Ring 16 4 Mbps and Ethe...

Страница 12: ... full system reset of software and hardware SYS REQ unlabeled System Request initiates a set of system request menus on the attached console If depressed for more than 5 seconds the switch will accept download of the main image from the serial port via the X modem protocol Table 1 Front Panel Connectors and Push Buttons 3 2 5 4 8 7 6 10 9 15 12 11 14 13 17 16 19 18 20 STACK LINK ATTACH RX TX DIAG ...

Страница 13: ...Token Ring stations on dedicated media segments or for switch to switch connections the same straight through cabling is used regardless of the type of connection This auto sense auto configure capability of the switch can be overridden by explicit console management Any of the twenty Token Ring ports can be configured as a TokenProbe port It is used to monitor any one of the other Token Ring port...

Страница 14: ... the System Request menu to appear on the console device attached to the MANAGEMENT port Pressing the button for more than five seconds will initiate a modem download of the main image Note The system request button should be used only at the direction of service personnel The button is recessed to prevent accidental activation Labels The two labels at the right on the front panel are The MAC Medi...

Страница 15: ...ower the switch down and up again The ERR LED should not turn on again Note that this LED turns on if the switch is powered from a redundant power supply only Stack link TX On or blinking Data is being transmitted to the stack link Stack link RX On or blinking Data is being received from the stack link Stack link ATTACH On A connection has been established to the stack Token Ring Ports Left LED on...

Страница 16: ... 25 26 Off The Fast Ethernet ports are working correctly ACT green Flashing The port is receiving and or transmitting frames Off Currently no traffic on the port 100 green On The port is in 100 Mbps mode Off The port is in 10 Mbps mode LINK green On The port is active Off The port is not inserted LED State Meaning Table 2 Front Panel LEDs ...

Страница 17: ...3 Back Panel Connectors Redundant Power Supply AC connection HIGH VOLTAGES AUTHORIZED PERSONNEL MAY ONLY BE REMOVED BY POWER SUPPLY COVER interference that may cause undesired operation Rules Operation is subject to the following two conditions 1 This device may not cause This device complies with Part 15 of the FCC accept any interference received including harmful interference and 2 this device ...

Страница 18: ...oken Ring ports Store and Forward mode for both Token Ring and Fast Ethernet ports Auto adaptive cut through for the Token Ring ports Enhanced bridging modes Transparent Bridging Source Route Switching Source Route Bridging SRB Source Route Transparent Bridging SRT Support for duplicate MAC address schemes Automatic port sensing of operating mode and media speed Multiple Token Ring port operation ...

Страница 19: ...me ensures that IP packets larger than 1500 bytes are split up before transmission to the Ethernet LAN NetBios addresses translation Translation of NetBios functional address from the Token Ring side to a specific Ethernet group address and frames with an additional functional addresses from Token Ring side are not forwarded on the Ethernet side Dual home FEP A Token Ring network using Source Rout...

Страница 20: ...ON Remote Monitoring and standard MIBs Network statistics LAN probe port mirroring Fault isolation and detection Download via TFTP Trivial File Transfer Protocol or X modem of new switch microcode Up and download of switch configuration via TFTP Scalability and High Availability Up to 5 500 active local LAN stations per group of four Token Ring ports 1 4 5 8 9 12 13 16 17 20 Up to 15 000 active LA...

Страница 21: ...tack 8 using the CrossFire 8300 Switch Stacker 5 using the CrossFire 8635 Internal Stacker Module 2 using the CrossFire 8630 Stacker Link Module Maximum number of Token Ring ports in stack 160 using the CrossFire 8300 Switch Stacker 100 using the CrossFire 8635 Internal Stacker Module 40 using the CrossFire 8630 Stacker Link Module Maximum number of Fast Ethernet ports in stack 32 using the CrossF...

Страница 22: ...m number of logical rings 63 Maximum frame rate per port 57 000 pps in each direction measured with a frame size of 19 bytes Maximum aggregate frame rate per 4 ports 200 000 pps in each direction Full media speed for frame sizes above 28 bytes Throughput per port 16 Mbps in each direction for all frame sizes Aggregate switching rate unicast or broadcast for entire switch 1 500 000 pps for smallest...

Страница 23: ...F table source routed frames 12 000 Aggregate performance for two Fast Ethernet ports 150 000 pps Maximum one way performance for two Fast Ethernet ports 150 000 pps Maximum forwarding rate for two Fast Ethernet ports 150 000 pps Maximum performance for IP fragmentation 8 000 pps 98 of Fast Ethernet bandwidth Table 6 Translation Performance Specifications ...

Страница 24: ...ME 10 NetView for AIX Software updates Flash PROM TFTP X modem PROM Programmable Read Only Memory Protocol compatibility Transparent to higher layer protocols Spanning tree protocol support IEEE 802 1D compliant IBM Spanning Tree Protocol MIBs supported Management Information Base SNMP MIB II RFC1213 SR Bridge MIB RFC1525 Bridge MIB RFC1493 Evolution of the Interfaces Group of MIB II RFC1573 RMON ...

Страница 25: ...W MTBF 49 000 hours Operating Temperature Non operating Temperature 10 to 40 C 50 to 104 F 10 to 70 C 13 to 158 F Humidity Operating Non operating 8 to 80 non condensing 90 45 C 113 F Electromagnetic emissions certification FCC Class A EN55022 Class A Safety UL1950 CSA C22 2 No 950 EN60950 Table 8 Specifications for Operating Environment ...

Страница 26: ...16 CrossFire 8730 Switch Installation Guide DOC 7046 v 1 2 Introduction ...

Страница 27: ...o avoid shock hazard the power cord must be connected to a properly wired and earthed receptacle Any equipment to which the switch will be attached must also be connected to properly wired and earthed receptacles Warning Before working on equipment that is connected to power lines remove jewelry including rings necklaces bracelets and watches Metal objects will heat up when connected to power and ...

Страница 28: ... condition of the victim and then call for help Determine if the person needs rescue breathing or external cardiac compressions then take appropriate action Preventing Electrostatic Discharge Damage Electrostatic discharge ESD can damage equipment and impair electrical circuitry It occurs when electronic components are improperly handled and can result in complete or intermittent failures Always f...

Страница 29: ...he left side and forcing heated air out through holes in the right side If the internal temperature exceeds 50 C 112 F a temperature error is reported to the console Caution To protect the equipment from overheating do not operate it in an area that exceeds the maximum recommended ambient temperature of 40 C 104 F To prevent airflow restriction you must allow at least 7 6 cm 3 of clearance around ...

Страница 30: ...he unit to avoid dropping it on the floor or any equipment beneath it in the rack The CrossFire 8730 unit weighs approximately 9 5 kg 20 9 lbs Caution To separate the switch from the power pull the power cord completely out from the socket The power socket must be easily accessible and located near the unit Warning All RJ 45 connectors must only be connected to safety extra low voltage SELV circui...

Страница 31: ...ational Switch Installation Guide Note that the on line version of the installation guide may be of a later date than the printed version see the version number v 1 X One OC 8830 Token Ring Switch Program Disk Set One OC 8840 Token Ring Switch Manager for HP OpenView for Windows also works as stand alone without HP Open View under Windows One CrossFire 8600 Series Token Ring Switch Manager for HP ...

Страница 32: ...er Unit MTU of 17 800 bytes The default maximum physical frame length for Token Ring ports is 4 546 bytes which corresponds to an MTU of 4 472 bytes The actual MTU size of a VLAN is configured in the VLAN Parameter Configuration for TrBRF screen see the CrossFire 8730 Fast Ethernet Translation Switch Reference Guide The switch truncates Token Ring frames larger than the configured maximum physical...

Страница 33: ...experience problems after the switch has been installed in the network Cables and Distances between Devices The Token Ring ports supports attachment to 100 ohm and 120 ohm twisted pair UTP or STP and 150 ohm STP as defined in the EIA TIA 568A and ISO IEC 11801 1995 The Fast Ethernet ports use standard or crossover UTP 5 copper cables See Appendix A Cable and Pin Information for specific informatio...

Страница 34: ...24 CrossFire 8730 Switch Installation Guide DOC 7046 v 1 2 Preparing for Installation ...

Страница 35: ...Read Chapter 2 Preparing for Installation Make sure you read Required Network Preparation Frame Length Limit on page 22 2 Unpack the switch 3 Gather the materials 4 Mount the switch 5 Connect the switch to the network 6 Verify the operation of the switch 7 If you will be customizing the configuration of the switch or monitoring its activity configure the switch Refer to Chapter 4 Switch Access in ...

Страница 36: ...ecting on page 21 for a list on package contents If any item is missing or damaged contact your local Olicom representative Materials Needed for Installation To install the switch you need the following items If the unit will be installed in a rack you need A rack inventory chart and a cabling chart from your network administrator The supplied set of screws nuts and washers along with the Allen ke...

Страница 37: ...idelines from the previous chapter Chapter 2 Preparing for Installation Caution The following rack mounting instructions need to be observed to ensure that the switch and any other equipment are mechanically stable The following steps describe how to mount the switch in a rack or cabinet 1 Remove the bracket covers on each side of the switch to expose the rack mounting brackets Access to the retai...

Страница 38: ...dware Figure 5 Mounting the Switch in a Rack or Cabinet Table Mounting The switch operates at a low noise level which makes it suitable for a large enough flat surface such as a table or a similar area Four self adhesive pads are supplied with the switch The pads must be mounted in the four recesses on the bottom of the switch When the pads are mounted simply place the switch on a clear level loca...

Страница 39: ...r STP A cable with an impedance matching balun at each end For Fast Ethernet use a Category 5 or better UTP cable Connecting the Fast Ethernet Ports The Fast Ethernet ports use standard or crossover UTP 5 copper cables The maximum cable length is 100 m 328 feet 1 Insert the modular RJ 45 jack from either end of a standard or crossover UTP 5 cable into one of the Fast Ethernet connectors 2 Connect ...

Страница 40: ...el includes the room location of the device at the other end a unique cable identification number the MAC address of the connected device and the number of the port to which the cable is attached 4 To continue installing the switch go to Applying Power on page 32 Figure 6 Connecting Devices to Token Ring Ports Connecting Devices to the Token Ring Ports Using Building Wiring If you will use buildin...

Страница 41: ...ack mounted dress the switch end of the cables through a cable management bracket if one is present on your rack 7 To continue installing the switch continue with Applying Power on page 32 Figure 7 Connecting using Building Wiring Checking the Installation Before you apply power to the switch inspect the installation thoroughly Verify that all cables are installed correctly Check cable routing so ...

Страница 42: ...pply when the power cord is connected Use the following steps to power on your equipment 1 Ensure that you are using the correct power source 2 Using a power cable that complies with national regulations plug the female end of the cable into the AC power connector on the back panel of the switch see Figure 8 3 Plug the male end of the power cord s into a properly grounded electrical outlet Figure ...

Страница 43: ...f test is complete 6 At the completion of the diagnostics the front panel LEDs should be illuminated according to the status of the unit s configuration See page 2 for a description of the controls and LEDs on the switch Note If the switch fails to power up correctly or if it encounters any unrecoverable error the ERR LED will be on or flashing on If the ERR LED is on or flashes see Chapter 5 Trou...

Страница 44: ...34 CrossFire 8730 Switch Installation Guide DOC 7046 v 1 2 Installation ...

Страница 45: ... console via the MANAGEMENT port Refer to the section Console Telnet Sessions in the on line CrossFire 8730 Fast Ethernet Translation Switch Reference Guide for information on configuring serial console and or telnet console sessions Network management applications in band management are beyond the scope of this guide However note that to be able to manage the switch by the network management appl...

Страница 46: ...PC or another DTE device OR 1 Attach a null modem adapter to the MANAGEMENT port 2 Attach a straight through modem cable to the null modem adapter Connecting to the MANAGEMENT Port Using a Modem 1 Connect one end of a straight through TIA EIA 232 modem cable to the MANAGEMENT port This is a male DB 9 connector configured as a DTE device 2 Connect the other end of the cable to a modem Figure 9 show...

Страница 47: ...s 1 Handshaking None Terminal emulation VT100 Duplex Full Software flow control XON XOFF Off input and output Hardware flow control RTS CTS Off Autobaud upon break On Line wrap On Screen scroll On CR translation CR Backspace BS translation Destructive Break length milliseconds 350 Enquiry ENQ Off EGA VGA true underline Off Terminal width 80 ANSI 7 or 8 bit commands 7 Table 9 Console Configuration ...

Страница 48: ...at the console and press it repeatedly If there is no response wait several seconds and again press it repeatedly If necessary perform the same routine using the other command keys If that does not work and there is at least a garbled output on the screen try pushing the unlabelled system request button on the switch As soon as garbled characters appear press the console s ENTER or RETURN key twic...

Страница 49: ...ssed Relocating main image to DRAM Done Main image integrity check succeeded Control transferred to main process Starting Power On Self Test Diagnostics Network memory test 32 bits Passed Network memory test 16 bits Passed Network memory test 8 bits Passed Port register and memory test Passed Single port loopback test Passed All ports linked loopback test Passed Port MAC test Passed Completed Powe...

Страница 50: ...hould be prompted to press RETURN that is ENTER The following greeting screen of the switch console interface should appear At the top level screen press the ENTER key RETURN to enter the main menu Note If you have forgotten the password you can delete it by depressing the unlabeled SysReq button on the front panel of the switch for one second Then release it and select Point 4 Clear the system pa...

Страница 51: ...urn to the main menu from any screen press CTRL P Note that any changes made to the screen you were in will not be saved when you do this To return to the greeting screen press CTRL B To refresh the console screen press CTRL L The switch console automatically returns to the greeting screen after five minutes of inactivity Five minutes is the default value The time can be changed at the Console Con...

Страница 52: ... Items that end with three dots opens another screen or menu Pressing the ENTER key on such an item will display the new screen or menu If the item on the screen is a command such as Reset selecting the command and pressing ENTER will execute the command Unless specified differently all the screens and menus are accessed in the sameway The following section describes the items on the main menu ...

Страница 53: ...ference Guide The main items are shortly listed below Configuration Displays the Configuration menu which enables you to view and set the switch configuration parameters Statistics Displays the Statistics menu for the switch Download Upload Displays the Download Upload menu Reset Displays the Reset menu Exit Console Highlighting this command and pressing ENTER will return the console to the greeti...

Страница 54: ...44 CrossFire 8730 Switch Installation Guide DOC 7046 v 1 2 Switch Access ...

Страница 55: ...tions Troubleshooting in a Network The switch console and SNMP management agent give you access to important statistics and other information about the network as seen by the switch See the CrossFire 8730 Fast Ethernet Translation Switch Reference Guide The Port Statistics Menu section in the CrossFire 8730 Fast Ethernet Translation Switch Reference Guide can be helpful in isolating network level ...

Страница 56: ... If you have set up a console session see Chapter 4 Switch Access it can be used to determine whether diagnostics have been completed correctly A list of normal diagnostic messages is shown on page 39 3 Observe the LEDs on the switch front panel Figure 2 on page 2 illustrates the LEDs For explanations of the LEDs see section Status and Activity LEDs on page 4 Review this section before proceeding ...

Страница 57: ...ocedure if the ERR LED is on 1 Verify that the power to the internal power supply is on If the power is off and the switch is powered only by the redundant power supply apply power to the internal power supply If the ERR LED turns off after this resume using the switch otherwise proceed to step 2 below Symptom and LED State Go To All of the LEDs are off Procedure A The ERR LED or the DIAG are on P...

Страница 58: ...ic Screen on page 39 includes a sample diagnostic screen Try to correct any individual port problems that are detected If the problem is corrected resume using the switch 5 If the problem does not go away the problem is in the switch Procedure C Use this procedure if all devices connected to the switch are having communication problems the ERR LED is off and the PWR LED is on 1 Reset the switch by...

Страница 59: ...Translation Switch Reference Guide Chapter 3 Switch Configuration This can be caused by poor cables a faulty station connected to the switch or a bad port on the switch If the port is not disabled disconnect the port cable Try moving the cable to another port until service can be arranged If the switch can be temporarily removed from service connect a console and reset the switch with diagnostics ...

Страница 60: ...he switch Contact your local Olicom representative If the problem persists continue with step 7 7 The problem does not appear to be in the switch and the cables and devices connected to the switch The problem might be in the network applications or other software running on the devices See the software documentation for software problem determination procedures or consult your network administrato...

Страница 61: ...ved from service connect a console and reset the switch with diagnostics to see whether the port passes diagnostics and initializes If it does not the problem is in the switch In this case contact technical support as described in Chapter 6 Getting in Touch with Technical Support 4 Restart the communication program on the failed connected device If the communication program appears to start withou...

Страница 62: ...52 CrossFire 8730 Switch Installation Guide DOC 7046 v 1 2 Troubleshooting ...

Страница 63: ... that any traffic through the switch will be disrupted Dump the switch configuration to a file using Display Summary and print the file Print any messages in the Message Log Information Screen If possible attach a display summary screen captured from the console or telnet If possible simplify the environment by removing other devices Fill in as much as possible in the included Problem Report Form ...

Страница 64: ...All Olicom s software updates application notes quick fixes etc can be obtained from our anonymous FTP server To connect open an FTP session to Internet World Wide Web Server WWW The Olicom WWW server contains up to date information about Olicom products newsletters and press releases It also contains addresses of all Olicom offices and support centers worldwide Our software library contains the l...

Страница 65: ...ort Olicom Support WEB The Olicom Support WEB contains for example technical support hints driver and software updates a problem report form support news as well as updated versions of guides and manuals Select Services Support from the main page USA http www olicom com Europe http www olicom dk ...

Страница 66: ...rt Form from Olicom s web site on the Internet Company ____________________________ Name ______________________ Address __________________________________________________________ Country _______________________ Phone Fax ________________________ E mail _____________________ Switch Information Switch type Hardware revision Software version Switch Configuration Port configuration Stack Configuration...

Страница 67: ...57 CrossFire 8730 Switch Installation Guide DOC 7046 v 1 2 Getting in Touch with Technical Support Problem Description Network Installation Sketch ...

Страница 68: ...58 CrossFire 8730 Switch Installation Guide DOC 7046 v 1 2 Getting in Touch with Technical Support ...

Страница 69: ... are used when connecting to the OBM port labeled MANAGEMENT on the front panel of the switch Cable Function Cable Type or Cable Solution Connect a modem to the MANAGEMENT port Connect one end of a straight through TIA EIA 232 modem cable to the MANAGEMENT port and the other end to the modem Connect a PC or other DTE device to the MANAGEMENT port Connect one end of a crossover TIA EIA 232 cable to...

Страница 70: ... port For a terminal connection you can use either a null modem cable or a modem cable with a null modem adapter attached For a modem connection you can use a standard modem cable This section provides pin out information for the cables you can use to connect to the MANAGEMENT port Management Port Pin Out TIA EIA 232 Modem Cable Connections Use a standard straight through modem cable to connect th...

Страница 71: ...DTR pin 20 and RTS pin 4 must be on or high on your terminal or in your terminal emulation program Figure 10 TIA EIA 232 Null Modem Cable for the 25 pin Connector Use a null modem crossover cable shown in Figure 11 to connect the MANAGEMENT port to a terminal DTE with a 9 pin connector Alternatively you can use a modem cable and a null modem adapter DTR pin 4 and RTS pin 7 must be on or high on yo...

Страница 72: ... cable Diagrams of these cables follow Straight Through 100 Ohm 120 Ohm Cable The switch RJ 45 connector makes ground available on the shield and on pins 1 2 7 and 8 Shielded cables will provide continuity for ground to any shielded connector on the other end of the cable Figure 12 Straight Through Cable 150 Ohm IBM STP Data Connector to RJ 45 Straight Through Cable Figure 13 Data Connector to RJ ...

Страница 73: ...cabling infrastructure migration to new technologies and maximum flexibility for the network configuration If you are installing new cabling for data applications it is recommended that you use the following types of cable For lobe cabling from the telecommunications closet to the wall outlet it is recommended that 150 ohm STP or four pair Category 5 cable that meets the international cable standa...

Страница 74: ...dditional 10 m 33 ft per lobe length is allowed to accommodate patch cables unless otherwise specified Ring Speed Types 1 and 1A Types 2 and 2A Type 8 Type 9 4 Mbps 750 m 2 460 ft 750 m 2 460 ft 376 m 1 234 ft 500 m 1 640 ft 16 Mbps 430 m 1 410 ft 430 m 1 410 ft 215 m 705 ft 295 m 968 ft Table 14 Lobe Length for 150 Ohm Shielded Media Ring Speed 100 Ohm Type 3 100 Ohm Category 3 4 Mbps 100 m 328 f...

Страница 75: ...egments The types of cables that can be used in shared media segments half duplex are the same as those described above for dedicated media segments Note The acceptable cable lengths are defined by the hub or concentrator attached to the switch port but in general the distances are half of that stated in the tables above for dedicated media segments ...

Страница 76: ...ng the Fast Ethernet ports to compatible servers and workstations ensure that you use a crossover cable wired for 10BaseT and 100BaseTX When connecting to other switches or repeaters ensure that you use a straight through cable Figure 14 RJ 45 Pin Out Crossover and Straight Through Cable Pin Outs The schematics of crossover and straight through cables are shown in Figure 15 and Figure 16 Figure 15...

Страница 77: ...nstallation Guide DOC 7046 v 1 2 Cable and Pin Information Figure 16 Straight Through Cable Schematic Function RJ 45 Pin TX TX RX RX 1 2 3 6 Function RJ 45 Pin TX TX RX RX 1 2 3 6 CrossFire 8730 Fast Ethernet Port Hub or Switch ...

Страница 78: ...68 CrossFire 8730 Switch Installation Guide DOC 7046 v 1 2 Cable and Pin Information ...

Страница 79: ...and devices 46 connecting to a console 38 configuration console connection 36 see the Reference Guide connecting a network management console 35 devices to Token Ring ports 29 devices using building wiring 30 Fast Ethernet ports 29 connectors on back panel 7 on front panel 2 console connecting 35 main menu 43 navigating within menu and screens 42 port 36 console menus see the Reference Guide cooli...

Страница 80: ...ontents 21 installation 10 applying power after 32 cabling 29 checking 31 materials for 26 preparing for 17 site requirements 19 summary 25 unpacking 26 internet e mail 54 FTP server 54 web server 54 L labels on front panel 4 LAN 1 LED 2 LEDs on front panel 2 4 7 length limit of frame 22 lobe wiring rules 64 logical rings maximum number of 12 lookup table size 12 M MAC 4 main menu of console 43 ma...

Страница 81: ...in touch with support 53 protocol compatibility 14 R rack 11 mounting switches in 27 recommendations for Fast Ethernet cabling 66 for safety 17 for Token Ring cabling 63 requirements site for installation 19 reset button on front panel 4 rules remember before installation 22 S safety electricity 17 preventing electrostatic discharge damage 18 recommendations 17 specifications 15 17 scalability fea...

Страница 82: ...connections of MANAGEMENT port 61 Token Probe port for port analysis 3 Token Ring ports cabling 62 connecting devices to 29 connecting using building wiring 30 features 3 trademarks ii troubleshooting 45 choosing the right procedure 47 getting in touch with support 53 in network 45 twisted pair cable pin outs Fast Ethernet ports 66 Token Ring ports 62 U unpacking 26 before installation 21 UTP 3 V ...

Страница 83: ......

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