Appendix A: Troubleshooting
Contents
1. 4 39 Frames Too Long 4 41 Late Events 4 41 Runts 4 41 Short Events 4 41 Symbol Errors 4 39 Total Errors 4 39 4 41 T Total Bandwidth 1 6 Traffic 1 Transmission Mode Selection 0 Troubleshooting 1 Cabling A 3 Configuration 4 Hub Indicators 1 Installation 2 Power and Cooling 2 Twisted pair Cable Category 3 4 5 2 4 A 3 U Using the System Configuration Program 4 7 Utilization 7 Index S Safety Compliance 4 Sample Network Configurations 5 Security Features Intrusion Protection 4 Segment Configuration 9 Segment Statistics 7 Segments Interconnecting 2 11 Serial Port 5 6 5 14 Setting Up Network Connections 1 SmartExtender Module 1 3 1 9 Parameters 4 27 SNMP Agent 4 15 SNMP Backup Agent 3 SNMP Communities 4 16 Stack Termination 7 Station Ports 3 Statistics Hub 4 38 Port 4 39 Repeater Ports 0 Segment 7 SmartExtender Module 2 Switching Functions 2 10 Switching Methods 0 Switching Technology 1 9 System Information 4 System Configuration Setting Up Connections for 1 System Configuration Options Direct Connection 2 Local In band Network Connection 3 Local In band Telnet Connection 3 Network Connection 2 Remote Connection 4 System Operation Verifying 2 15 System Statistics Allignment Errors 4 37 4 39 4 41 Auto Partitions 4 41 EH35121 TX EH3512M TX E0997 R2. rt werden kann Keinerlei Gegenst nde durch die ffungen in das Ger t stecken da es dadurch sonst zu Kurzschl ssen kommen kann Bei St rungen des Ger tes den Wartungsdienst verst ndigen Bei Reperaturen d rfen nur Orginalersatzteile oder Bauteile mit gleichen Eigenschaften verwendet werden Andere Bauteile k nnen Feuer elektrischen Schlag oder andere Gefahren verursachen Nach Beendigung von Wartungsarbeiten oder Reperaturen durch den Kundendienst sollte die Sicherheitspr fung durchgef hrt werden Bei l ngerem Stillstand des Ger tes ist diese von der Versorgungs spannung zu trennen Dies verhindert eine Besch digung des Ger tes durch eine berspannung in der Zuleitung Der arbeitsplatzbezogene L rmschutzpegel nach DIN 45 635 ist kleiner 70dB A 11 12 13 Regulatory Standards D 5 Sicherheitshinweise Appendix E Product Support Services Product Registration Fill in the Owner Registration Card and mail it to Accton Technology Corporation Accton will keep your record and inform you of any new Accton unit developments Problem Report If problems occur during unit operation please check the adapter configuration settings cables connectors network terminators hardware compatibility and other network components Write a description of the problem including what problems occurred when they occurred duration of the problems the unit number serial number hardware software an
3. 2400 baud are supported Choose 8 data bits 1 stop bit and no parity Standard VT100 terminal emulation is supported In the United States call 408 452 8828 to reach the Accton USA s BBS line Modems with 14400 through 2400 baud are supported Choose 8 data bits 1 stop bit and no parity Standard VT100 terminal emulation is supported Interactive Fast fax U S A office Printed technical documentation can be sent to your fax machine 24 hours a day Call 408 452 8811 to reach Accton s interactive Fast fax service You will need a Touch Tone phone and a fax machine or equivalent Choose document 911 for a listing of technical bulletins Product Support Services E 2 Fast EtherHub 3500 System User s Guide Technical Support Your dealer or installer is the person who understands your network and Accton units If neither is available to help you Accton technical support engineers are available by fax mail or phone e Send your technical questions by fax to International Headquarters 886 3 5770 267 USA Headquarters 408 452 8988 To obtain software upgrades connect ftp to ftp accton com tw e Send your technical questions by email to support accton com tw Mail your technical questions to International Headquarters USA Headquarters Accton Technology Corporation Accton Technology Corporation Attn Technical Support Attn Technical Support No 1 Creation Road III 1962 Zanker Road Science bas
4. 3 Fast EtherHub 3500 System User s Guide Hub s 9 Pin Serial Port to PC s 25 Pin DTE Port Hub s 9 Pin Serial Port Cable Wiring PC s 25 DTE Port 1DCD 4 RTS 2RXD 3 TXD 3TXD 2 RXD 4 DTR 6 DSR 5SGND 7 SGND 6 DSR 20DTR 7 RTS 5 5 8CTS 8 DCD 9RI 22RI Table 5 Full Pin Connection from Hub s 9 Pin Serial Port to PC s 25 Pin DTE Port Hub s 9 Pin Serial Port Cable Wiring PC s 25 Pin DTE Port 1DCD 4 RTS 2RXD 3 TXD 3TXD 2 4 DTR 6 DSR 5SGND 7 SGND 6 DSR 20DTR 7 RTS 5 CTS 8CTS 8 DCD 9RI 22RI Table B 6 Three Pin Connection from Hub s 9 Pin Serial Port to PC s 25 Pin DTE Port B 4 Pin Assignments Fast EtherHub 3500 System User s Guide Hub s 9 Pin Serial Port to Modem s 25 Pin DCE Port Hub s9 Pin 25 Pin IEEE CLONE i1 1 DCD 8 2 lt 3 3 77 TXD gt 2 4 77 DTR gt 20 E 7 SGND 7 6 lt DSR 6 1 77 RTS gt 4 8 lt CTS 5 9 lt 1 2 Ta
5. Indicator Panel Microprocessor Fault Tolerance Dimensions Weight Power Input Power Consumption Temperature Humidity Certification Emissions Immunity Safety Product Specifications Repeater Board Fast EtherHub 3500 System User s Guide Up to 6 modules 72 station ports FlexBus 3500 stack cable 68 wires Automatic hub ID and bus termination Supports 3 or more segments in a stack CSMA CD 10 Mbps or 100 Mbps IEEE 802 3u 100BASE TX FX 10 or 100 Mbps via auto detection Full or half duplex for 100BASE TX amp FX via auto negotiation 100 5 1000 twisted pair 2 pair Cat 5 for 100 Mbps or Cat 3 4 5 for 10 Mbps TOOBASE FX 50 125 um or 62 5 125 um multimode fiber 1 100BASE TX RJ 45 port or 1 100BASE FX SC or ST type port TX provides MDI X or MDI connection Comprehensive array of LEDs for displaying port link collision activity transmission speed transmission mode filtering forwarding and learning adaptive cut through fragment free or store and forward line speed line speed less than 20 microseconds 4K entries port 160K bytes Expansion Expansion Interface Configuration Segmentation Access Method Standards Conformance Communication Rate Communication Mode Media Supported Number of Ports Indicator Panel Switching Criteria Network Bridging Function Switching Method Maximum Filtering Rate Maximum Forwarding Rate Network Latency Address Table Queue
6. Specifications C 1 Extender Port C 2 Repeater Board 1 Repeater Stack 2 Switching Criteria C 2 Product Support Services E 1 Bulletin Board Service 2 Hardware Repair Service 1 Interactive Fast Fax 3 Software Update and Upgrade Service E 2 Technical Support 3 Q Quick Installation iii R Rear Panel 5 15 Remote Configuration Methods Remote In band 5 Remote On board 4 Restarting the Agent 3 Maximum Segment Length 2 9 Multi segment Architecture 1 Multiple Agents 3 N Network Connection MDI Daisy chain Port 6 MDI X Station Port 4 Verifying 2 15 Network Connections 5 13 Network Managment Software 1 4 0 On board Configuration Program Configuring the Remote Site 4 Remote Configuration Methods 4 Remote Out of band Connection 4 Setting Communication Parameters 4 Ordering Information E 7 P Package Contents i Partition 4 26 5 9 Passwords Changing 5 Pin Assignments Crossover Cable 1 Hub s 9 Pin Serial Port to Modem s 25 Pin DCE Port 3 Hub s 9 Pin Serial Port to PC s 25 Pin DTE Port 4 Hub s 9 Pin Serial Port to PC s 9 Pin COM Port 3 RJ 45 Port B 1 Serial Port 2 Port Attachment 10BASE FX 2 7 10BASE T 2 7 10BASE TX 2 7 Port Backup 4 Port Intrusion Control 0 Index Fast EtherHub 3500 System User s Guide Collisions 4 37 4 39 4 41 CRC Errors 4 39 Data Rate Mismatch 4 41 FCS Errors 4 41 Frames 4 37
7. is disrupted e g by unplugging the network cable and plugging it back in again or by resetting the power the port will try to reestablish communications with the attached device via auto negotiation If auto negotiation fails Troubleshooting Installation A 2 Fast EtherHub 3500 System User s Guide then communications are set to half duplex by default Based on this type of industry standard connection policy if you are using a full duplex device that does not support auto negotiation communications can be easily lost 1 reset to the wrong mode whenever the attached device is reset or experiences a power fluctuation The best way to resolve this problem is to upgrade these devices to versions which support auto negotiation Cabling 1 Verify that the cabling type is correct Be sure all cable connectors are securely seated in the required ports Use 1000 cable for all twisted pair connections to 100 5 ports Use Category 5 cable for all 100 Mbps Fast Ethernet connections or use Category 3 4 or 5 cable when making 10 Mbps Ethernet connections to the 100 5 extender module 2 Verify that the cabling type is correct Be sure all cable connectors are securely seated in the required ports Straight through cable should be used for all standard twisted pair connections 3 When cascading two devices using RJ 45 station ports at both ends of the cable 1 6 not an MDI port make sure a cros
8. issues for 100 Mbps networks 2 Glossary Fast EtherHub 3500 System User s Guide In Band A way of communicating with a network device via a local network connection Jabber Refers to an abnormal Ethernet frame transmission The frames causing jabber are normally much too long It may come from a malfunctioning Ethernet card and may cause data loss for all network users LED Light emitting diode on the front panel of the EtherHub used for monitoring a hub or network condition MAC Media Access Control A portion of the networking protocol that governs access to the transmission medium facilitating the exchange of data between network nodes MDI Port Medium Dependent Interface MDI is the IEEE standard for the twisted pair interface to 10 5 or 100BASE TX This RJ 45 port can be used with straight through cable to connect the hub to a network interconnection device such a switch Pin out assignments are shown in Appendix B MDI X Port Medium Dependent Interface Crossed This RJ 45 port which crosses the receive and transmit signals internally can be used with straight through cable to connect the switch to any device that has a standard network interface e g workstation server or router Pin out assignments are shown in Appendix B MIB Management Information Base An acronym for Management Information Base It is a set of database objects that contains information about the device MII Me
9. 03 150136 101
10. 70 270 fax 886 3 5770 267 BBS 886 3 5770 654 North and South America Accton Technology Corporation USA Headquarters 1962 Zanker Road San Jose CA 95112 U S A Phone 408 452 8900 fax 408 452 8988 BBS 408 452 8828 Product Support Services E 5 Return Process Fast EtherHub 3500 System User s Guide Accton Australia Unit 23 No 27 Doomben Ave Eastwood N S W 2122 Australia Phone 612 8582436 fax 612 8581723 Accton Deutschland Bahnhofstr 6 65623 Hahnstatten Germany Phone 49 64 30 22 17 fax 49 64 30 22 70 Accton J apan Kano Bldg 7F 1 25 1 Nishi Gotanda Shinagawa ku 141 Tokyo J apan Phone 81 3 3495 1351 fax 81 3 3495 1352 Product Support Services Accton Offices Accton Technology Corporation International Headquarters No 1 Creation Rd Ill Science based Industrial P ark Hsinchu 300 Taiwan R O C Hsinchu Phone 886 3 5770 270 fax 886 3 5770 267 886 3 5775 541 BBS 886 3 5770 654 Taipei Phone 886 2 577 1220 to 9 fax 886 2 577 0816 Accton USA 1962 Zanker Road ose CA 95112 USA Phone 408 452 8900 408 452 8080 fax 408 452 8988 BBS 408 452 8828 FAST fax 408 452 8811 Accton UK The Mill Horton Road Stanwell Moor Staines Middx TW19 6B United Kingdom Phone 44 1753 687677 44 1753 680109 fax 44 1753 689010 E 6 Fast EtherHub 3500 System User s Guide Ordering Information Fast EtherHub 12i Intelligent Fast Ethernet St
11. Appendix A Troubleshooting Diagnosing Hub Indicators The Fast EtherHub 3500 Series can be easily monitored through its comprehensive panel indicators These indicators assist the network manager in identifying problems the hub may encounter This section describes common problems you may encounter and possible solutions Symptom Link indicator does not light up green after making a connection Cause Network interface e g a network adapter card on the attached device network cable or hub port is defective Solution Verify that the hub and attached device are powered on Be sure the cable is plugged into both the hub and corresponding device Verify that the proper cable type is used and its length does not exceed specified limits Chapter 2 Check the adapter on the attached device and cable connections for possible defects Replace the defective adapter or cable if necessary Symptom Power indicator does not light up green after power on Cause Defective power outlet power cord or internal power supply Solution Check the power outlet by plugging in another device that is functioning properly Check the power cord with another device If these measures fail to resolve the problem have the unit s power supply replaced by a qualified Accton distributor Use the diagnostic procedures described in Chapter 2 to verify that all other system components are functioning properly If any component fails the diagnostic test c
12. Buffer Product Specifications Repeater Stack Extender Port Appendix D Regulatory Standards EMI Warning FCC Class A Certification This device complies with Part 15 of the FCC Rules Operation is subject to the following conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Warning This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications It has been tested and found to comply with the limits for a Class A digital device pursuant to Subpart B of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures are required to correct the interference Warnings 1 Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge whenever handling this equipment 2 When connecting this hub to a power outlet connect the field ground lead on the tri pole power plug to a valid earth ground line to prevent electrical hazards You may find the following booklet prepared by the Federal Communicati
13. Port Cut through Switching 1 9 D Daisy chain Port 3 Diagnostic Tests 2 Disable 5 10 Distance Limit and Power Loss in Fiber Optics 8 Downloading System Software TFTP Server 2 Xmodem Protocol 4 Index A Accessing the Configuration Management Program 5 AccView Open 4 Applications Attaching the Stack to Multiple Segments 6 Attaching the Stack to One Segment 5 Connecting Remote Stacks 2 Connecting to the Network Backbone 5 Extending the Network with Alternate Connections 3 9 Interconnecting the Segments 3 11 Isolating Each 1100 8 Isolating Specific Hub Connections 7 Linking a Stack to a Network Management Station 0 Operating in Novell NetWare IPX Environment 3 Operating in TCP IP Environment 3 14 Backup Port Parameters 4 29 Bridging Functions 0 Bytes 4 37 4 39 Collision 8 Communication Mode Selection 0 Setting 0 Configuration Parameters Authorized Port Address 1 Bootup Option 3 Community Name 4 16 Download Filename 4 33 Download Mode 4 33 Download Server IP 3 Gateway IP 4 20 Half Full Duplex 4 28 Index Fast EtherHub 3500 System User s Guide Isolation 7 Link 3 Link Activity 5 10 Management Agents 5 5 Master 5 Partition Disable 5 9 Port Status 0 Power 5 2 Rx 5 3 Segment 4 Serial 5 6 SmartExtender Module 5 2 SNMP 4 Terminator 7 Tx 3 Utilization 7 Installation Mou
14. ackable Hub with 12 5121 100BASE TX Ports Fast EtherHub 12mi SNMP Intelligent Fast Ethernet Stackable Hub with 12 EH3512M TX 100BASE TX Ports including SNMP Managment Support SmartExtender Modules Slide in module with 1 100 5 or 100BASE TX EM3551 TX 100BASE FX Uplink Port 100BASE FX EM3551 FX SC or The 100BASE TX module runs at 10 or 100 Mbps via auto detection The 100BASE TX EM3551 FX ST and 100 5 modules run at half or full duplex via auto negotiation See Table E 1 Redundant Power Supply EM3550 PWR Serves as a redundant power supply or a replacement for the primary power supply AccView Open SW6102 Windows based network management software FlexBus 3500 Stack Cable EC3550 20cm stack cable with connectors The operational parameters supported by the different SmartExtender modules are shown in the following table Module 10 TE 100 KA E Full 25 100 1008 je Table Appendix 1 nen SmartExtender E 7 Modules Product Support Services Glossary 10BASE T IEEE s specifications for running 10 Mbps Ethernet using twisted pair cable 1000 STP UTP The maximum length of cable for a point to point connection is 100 meters and the maximum number of nodes is 1024 100BASE TX IEEE s specifications for 100 Mbps Ethernet using 2 pairs of Category 5 twisted pair cable The Fast EtherHub 3500 models require 1000 STP
15. ble B 7 Hub s 9 Pin Serial Port to Modem s 25 Pin DCE Port Pin Assignments Pin Assignments Appendix C Product Specifications CSMA CD 100 Mbps IEEE 802 3u 100BASE TX 100 Mbps on Ports 1 12 1000 Cat 5 twisted pair 2 pair 12 100BASE TX RJ 45 shielded station ports Port 12 provides MDI X or MDI connection 2 backplane ports for stack interconnection and 1 serial port for system management On board configuration via serial port or Telnet or with optional in band management software via a local network connection or via a remote modem link using SLIP over TCP IP Comprehensive array of LEDs for displaying hub ID network utilization collision rate SmartExtender Module management agents Segment attachment port link activity and port partition disable 8031 Fast EtherHub 12i i960 Fast EtherHub 12mi Hot swappable modules backup SNMP agent redundant port links and redundant power supply 440mm x 320mm x 65mm 17 3 x 12 6 x 2 6 EH3512i 6 2 kg 13 7 Ib EH3512mi 6 6 kg 14 6 Ib 100 to 240 VAC 410 50 to 60 Hz 3 1 0 Amp 100VAC 0 8 Amp 230VAC 5 C to 40 C Standard Operating 5 to 85 Noncondensing CE Mark FCC Class A VCCI Class A CISPR Class A IEC 801 2 3 4 6 EN60555 2 Class A EN60555 3 UL CSA TUV GS IEC 950 Product Specifications Access Method Standards Conformance Communication Rate Media Supported Number of Ports Configuration
16. complies with ISO IEC Guide 22 and 45014 It conforms to the following specifications EN55022 1988 CISPR 22 1985 class A EN60555 2 1995 class A EN60555 3 TEC 1000 4 2 1995 IEC 801 2 1991 4kV CD 8kV AD IEC 1000 4 3 1995 IEC 801 3 1984 3V m IEC 1000 4 4 1995 IEC 801 4 1988 power line 0 5 signal line This product complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC Regulatory Standards D 3 Fast EtherHub 3500 System User s Guide Safety Compliance Underwriters Laboratories Compliance Statement Important Before making connections make sure you have the correct Cord Set Check it read the label on the cable against the following specification list Cord Set Specifications UL Listed CSA Certified Cord Set Minimum 18 AWG Type SVT or SJT three conductor cord Maximum length of 15 feet Parallel blade grounding type attachment plug rated 15A 125V UL Listed CSA Certified Cord Set Minimum 18 AWG Type SVT or SJT three conductor cord Maximum length of 15 feet Tandem blade grounding type attachment plug rated 15A 125V Cord Set with HO5VV F cord having three conductors with minimum diameter of 0 75 mm IEC 320 receptacle Male plug rated 6A 250V The unit automatically matches the connected input voltage Therefore no additional adjustments are necessary when connecting it to any input voltage within the range marked on t
17. ctor switch must be set to MDI X 4 Glossary Fast EtherHub 3500 System User s Guide STP Shielded Twisted Pair 1000 Category 5 twisted pair wire covered with an external aluminum foil or woven copper shield designed to reduce excessive noise pick up or radiation The STP cable refered to in this manual is also sometimes called screened twisted pair ScTP Its impedance is 1000 and has the same pin assignment as UTP This cable should not be confused with the older 1500 cable type designed by IBM UTP Unshielded Twisted Pair Cable composed of insulated wires twisted together to reduce electrical interference Xmodem protocol used to transfer files between devices Data is grouped in 128 bytes blocks and error corrected Glossary 5 Hub ID 4 23 Hub Position 3 IPX Frame Type 4 20 Link State 4 26 4 28 Partition 4 26 Segment Assignment 3 Serial IP 4 20 Subnet Mask 4 20 Transmission Speed 8 Upload Mode 4 User Type 5 Configuration Program Fast EtherHub 12i 8 Fast EtherHub 12mi 4 11 Stack 1 Configuring System 1 Configuring with the On board Program 5 Connecting Fiber optic Cabling 2 8 Connecting the Hub System 4 Connecting to MDI Daisy chain Port 6 Connecting to MDI X Station Port 4 Connecting to SmartExtender Module 2 6 Connecting to the Stack s Backplane 5 Connecting Twisted pair Cabling 2 7 Console Lockout 4 36 Console Port see Serial
18. d the DOS version that you are using Then contact your dealer or Accton Technology Corporation for assistance Hardware Repair Service You must get an RMA Return Materials Authorization number before returning any hardware for repair To obtain this number please inform Accton of your company name address unit name and model number contact person telephone number and a problem description list If your unit is under repair warranty you must also give your purchase date Carefully pack your hardware If possible use the original carton Mark the RMA number on the carton and send it to your dealer After repair Accton will inform you of the date of delivery and the exact amount due Please send the payment by T T Telegram Transfer and Accton will send you the fixed component after receiving payment With or without warranty if the hardware is found to be free of defects you will only be charged for testing and handling Product Support Services E 1 Fast EtherHub 3500 System User s Guide Software Update and Upgrade Service Accton constantly improves its software units by adding enhancements and new features Minor software updates are free of charge If greater changes have been made to the software Accton offers software upgrade services at a specially reduced price Bulletin Board Service BBS In countries other than the U S call 886 3 5770 654 to reach Accton Taiwan s modem line Modems with 14400 through
19. dia Independent Interface IEEE s specifications for a multi media interface that supports 100 5 100BASE FX or 10BASE T Glossary 3 Fast EtherHub 3500 System User s Guide Multi Segment Architecture Type of architecture that enhances traffic management and network bandwidth utilization by segregating network traffic Network Management Station The computer used to run SNMP management software e g Acc View Open It is used by the network manager to monitor the network Out of Band A way of communicating with a network device from outside the standard network channels RJ 45 Connector Most common terminator for twisted pair wiring SLIP Serial Line Internet Protocol Internet protocol used to transfer IP datagrams over serial lines SNMP Simple Network Management Protocol The application protocol offering network management services in the Internet suit of protocols Star Topology Physical connections for RJ 45 ports are limited to a star configuration i e similar to a hub and spoke arrangement This topology also requires that only one path exists between any two nodes and that data transmitted by any node is concurrently available to all other nodes within the same local network i e immediate collision domain Station Port MDI X MDI X ports which are used for connecting the hub to any workstation or server that has a properly installed network adapter card For port 12 the sele
20. ed Industrial Park San Jose CA 95112 U S A Hsinchu 300 Taiwan During local business hours call International Headquarters USA Headquarters Monday through Friday Monday through Friday 8 am to 6 p m 7 am to 5 p m Pacific Time 886 3 5770 270 408 452 8900 or 800 926 9288 Product Support Services E 3 Fast EtherHub 3500 System User s Guide Accton warrants to the original owner that the product delivered in this package will be free from defects in material and workmanship for the lifetime of the product For the warranty to apply you must register your purchase by returning the registration card indicating the date of purchase and including proof of purchase There will be a minimal charge to replace consumable components such as fuses power transformers and mechanical cooling devices The warranty does not cover the product if it is damaged in the process of being installed Accton recommends that you have the company from whom you purchased this product install it 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 OR ANY WARRANTY ARISING OUT OF ANY PROPOSAL SPECIFICATION OR SAMPLE ACCTON SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES ACCTON NEITHER ASSUMES NOR AUTHORIZES ANY PERSON TO ASSUME FOR IT ANY OTHER LIABILITY If the product is fou
21. he other device or cascade the two devices by running crossover cable between MDI X station ports on both devices Remember that this is a Class I Fast Ethernet Repeater and cannot be cascaded to another device in the same collision domain Ethernet A network communication system developed and standardized by DEC Intel and Xerox using baseband transmission CSMA CD access logical bus topology and coaxial cable The successor IEEE 802 3 standard provides for integration into the OSI model and extends the physical layer and media with repeaters and implementations that operate on fiber optics broadband and twisted pair Fast Ethernet 100 Mbps network communication system based on Ethernet and the CSMA CD access method Fast EtherHub 3500 System Accton s Fast Ethernet enhancement and management products Each component in the system carries a multi segment bus architecture that enhances traffic management and network bandwidth utilization File Transfer Protocol FTP An application protocol used for transferring files to network devices FlexBus Ports SCSI ports found at the backplane of the EtherHub labeled In and Out These ports are used for linking the hub to other compatible hubs using Accton s FlexBus 3500 cable IEEE 802 3 Standard Standard for the physical and electrical connections in local area networks developed by the IEEE Institute of Electrical and Electronics Engineers The IEEE 802 3u standard covers these same
22. he rear panel Do not plug a phone jack connector into any of the RJ 45 ports This may damage the hub Les raccordeurs ne sont pas utilis pour le systeme t l phonique Regulatory Standards Operating Voltage 120 Volts 240 Volts For North America 240 Volts For Europe only D 4 Fast EtherHub 3500 System User s Guide Die Steckdose mu sich der N he des Ger tes befinden und leicht zug nglich sein Zum Reinigen den Stecker aus der Steckdose ziehen Beim Reinigen keine Fl ssigreiniger oder Sprays verwenden sondern ein angefeuchtetes Tuch Das produkt ger t nicht in Na r ume oder in der N he von Wasser benutzen wie z B Badezimmer Schwimmbad Sp lbecken usw Das Eindringen von Wasser kann zur Zerst rung des Ger tes f hren Das produkt ger t nicht auf einer unstabilen Unterlage wie z B Rollwagen Gestell usw aufstellen Es k nnte herunterfallen und Verletzungen oder Besch digungen von Mensch und Ger t verursachen Die Bel ftungs ffnungen nicht blockieren oder auf falscher Ober fl che wie Bett Sofa usw stellen Durch die Blockierung kann es zur Zerst rung des Ger tes durch berhitzung kommen Versuchen Sie niemals dieses Ger t selbst zu warten da beim ffnen oder Abnehmen des Geh uses die Gefahr eines elektrischen Schlages besteht Keine Gegenst nde auf das Anschlu kabel stellen damit es nicht durch scharfe Kanten zerst
23. igure port settings e g enabled or disabled or to update device firmware The pin assignments used to connect various device types to the hub s managment port are provided in the following tables Hub s 089 Signal p DB9 DTE DTE DB25 DCE Direction Pin Pin Pin DTE DCE DCD Data Carrier Detected 1 RxD Received Data TxD Transmitted Data DTR Data Terminal Ready 4 SG Signal Ground DSR Data Set Ready RTS Request to S end CTS Clear to Send RI Ring Indicator Table 3 2 DB9 Port Pin Assignments Pin Assignments EIA CCITT Circuit 1 Figure B 2 DB9 Serial Port on the Hub Side B 2 Fast EtherHub 3500 System User s Guide Hub s 9 Pin Serial Port to PC s 9 Pin COM Port Hubs9 in Cable Wiring PC S Pin COM 1DCD 1DCD 2RXD 2RXD 3TXD 3TXD 4DTR 4 DTR 5SGND 5SGND 6 DSR 6 DSR 7 RTS 8 5 5 9RI 9 Table B 3 Full Pin Connection from Hub s 9 Pin Serial Port to PC s 9 Pin COM Port Hubs9 in Cable Wiring 59 222 COM Port 1DCD 1DCD 2RXD 2RXD 3TXD 3TXD 4 DTR 4 DTR 5SGND 5SGND 6DSR 6DSR 7 RTS 7 RTS 5 5 9RI 9 Table 4 Three Pin Connection from Hub s 9 Pin Serial Port to PC s 9 Pin COM Port Pin Assignments B
24. nd to be defective within the first two years from the later of date of purchase or date of manufacture Accton s entire liability and your exclusive remedy for any breach of warranty shall be at its option to repair or replace the product at no charge except as set forth below If the product is found to be defective after two years from the later of date of purchase or date of manufacture Accton will charge a process and handling fee provided that you deliver the product along with a return material authorization RMA number either to the company from whom you purchased it or to Accton Accton warrants the repaired or replaced product to be free from defects in material and workmanship for the remainder of the original product s warranty period Consumable components are warranted only for two years Product Support Services Limited Warranty Customer Remedies E 4 Fast EtherHub 3500 System User s Guide Before you may return any Accton product to Accton you must request an RMA number by calling faxing or writing Accton s Service Department at the address listed below If you ship the product you must assume the risk of damage or loss in transit You must use the original container or the equivalent and pay the shipping charge Accton may replace or repair the product with either a new or reconditioned product and the returned product becomes Accton s property At Accton s sole discretion Accton will issue a credit for eithe
25. ns 1000 Category 3 4 or 5 cable for 10 Mbps connections or 1000 Category 5 cable for 100 Mbps connections Also be sure that the length of any twisted pair connection does not exceed 100 meters Assignment for MDI X Assignment for Station Ports 1 12 Input Receive Data Output Transmit Data Input Receive Data Output Transmit Data Output Transmit Data Input Receive Data OutputTransmitData Input Receive Data Not Used Not Used Table 8 1 RJ 45 Pin Assignments Schematics for both straight and crossover twisted pair cable are shown below Straight Through Crossover Hub Adapter Hub Hub IRD 1 OTD 1 IRD 1 IRD 2 IRD 2 OTD 2 IRD 2 IRD 3 OTD 3 IRD 3 OTD 3 OTD 6 OTD 6 IRD 6 OTD 6 OTD Pin Assignments B 1 Figure B 1 RJ 45 Connector on the Hub Side Fast EtherHub 3500 System User s Guide DB9 Serial Port Pin Description The 9 serial port on the front panel is used to connect the hub to a management device The on board menu driven configuration program can be accessed from a terminal a PC running a terminal emulation program or from a remote location via a modem connection In band management software which usually provides a graphical interface can also be used to manage the hub from a remote location via a modem connection by running SLIP over TCP IP You can use the managment port to conf
26. nting Hubs in a Rack 3 Stacking Hubs without a Rack 2 2 Installing a Backup Power Supply 2 11 Installing a SmartExtender Module 2 7 Installing an SNMP Backup Agent 4 Installing the System 1 Interhub 5 3 Internal Management Module 4 IP Trap Managers 4 17 IPX Trap Managers 4 18 L LEDs see Indicators Limited Warranty E 4 Link 1 Link Indicator 2 15 Management Agents 2 Management Ports see FlexBus Ports Index E EMI Warning D 1 F Fast EtherHub 3500 1 1 Fast EtherHub 12i 1 2 Fast EtherHub 12mi SNMP 1 3 FCC Warning D 1 Filtering Packets 1 9 Flash ROM 4 33 FlexBus 3500 Management Link 2 FlexBus 3500 Ports 6 Stack In 6 Stack Out 5 16 Forwarding Packets 9 H Hardware Installation 2 1 Hardware Reference 5 1 Hot Remove Function 2 13 Hub Configuration 1 Hub ID Configuration 4 Hub ID Setting 3 2 Hub IDs 5 Hub Security 0 Hub Statistics 8 Indicator Panel 2 Indicators 100 5 3 Backup 5 5 Collision 5 3 5 8 Diagnostic Test Indicators 1 FDX 5 3 Hub ID 5 5 Interhub 3 Fast EtherHub 3500 System User s Guide Port Parameters 6 Port Statistics 9 Port Status Verifying 2 15 Ports FlexBus 5 16 Management Port 4 MDI 5 13 MDI X 5 13 Serial Port 5 14 Power Module 4 Power Supply Modules 5 15 Powering on the Hub 2 12 Pre Installation Requirements 1 Product Features 1 5 1 6 Product
27. ons Commission helpful The Interference Handbook This booklet is available from the U S Government Printing Office Washington D C 20402 Stock No 004 000 00345 4 Regulatory Standards D 1 Fast EtherHub 3500 System User s Guide Note In order maintain compliance with the limits of a Class A digital device Accton requires that you use a quality interface cable when connecting to this device Changes or modifications not expressly approved by Accton could void the user s authority to operate this equipment Suggested cable type is 1000 STP UTP for RJ 45 connections 100BASE TX IOBASE T 50 125 or 62 5 125 um multi mode cable for fiber optic connections 100 Voluntary Control Council for Interference VCCI A CORES CCC DEE ITED 25 1649600 TORE CRER ER 59 ET COSI DR E SLIBRANSCEMHV ET This product also complies with CISPR22 Class A EN55022 Class A D 2 Regulatory Standards Fast EtherHub 3500 System User s Guide EN55022 Declaration of Conformance This is to certify that the Accton Ethernet Hub is shielded against the generation of radio interference in accordance with the application of Council Directive 89 336 EEC Article 4a Conformity is declared by the application of EN55022 1987 Class A CISPR 22 1985 BS 6527 1988 CE Mark Declaration of Conformance This is to certify that this product
28. ontact your Accton distributor for assistance Troubleshooting 1 Fast EtherHub 3500 System User s Guide System Diagnostics Power and Cooling Problems If the power indicator does not turn on when the power cord is plugged in you may have a problem with the power outlet power cord or internal power supply as explained in the previous section However if the unit powers off after running for a while check for loose power connections power losses or surges at the power outlet and verify that the fans on back of the unit are unobstructed and running prior to shutdown If you still cannot isolate the problem then the internal power supply may be defective In this case contact your Accton distributor for assistance Verify that all system components have been properly installed If one or more components appear to be malfunctioning e g the power cord or network cabling test them in an alternate environment where you are sure that all the other components are functioning properly Transmission Mode If any devices are attached to the 100 5 or SmartExtender Module and operate at full duplex but do not support auto negotiation then you must manually set the transmission mode for this port on the hub Refer to Configuring Port Parameters in Chapter 5 The default method of selecting the transmission mode for the 100BASE TX and FX extender module is auto negotiation Therefore if the Link signal
29. or UTP cable The maximum length of cable for a point to point connection is 100 meters and the maximum number of nodes is 1024 100BASE FX IEEE s specifications for 100 Mbps Ethernet using multimode fiber optic cable The 100BASE FX SmartExtender Module must be used to support fiber optic cable with SC or ST type connectors The maximum length for a point to point connection is 2 kilometers at full duplex or 412 meters at half duplex AccView Open AccView Open is a complete network management product with modules for managing Accton devices BOOTP Boostrap protocol used to load the operating system for devices connected to the network Collision A condition in which two packets transmitted over a medium interfere with each other Their interference makes both signals unintelligible The transmitting devices have to halt transmission for a random period of time before trying to send data again Note that collisions do not occur on full duplex connections Configuration The way to set up a computer server or local area network Glossary 1 Fast EtherHub 3500 System User s Guide Connection A logical binding between two or more users of an interconnection service Daisy Chain Port An MDI RJ 45 port used to cascade compatible devices in a daisy chain configuration using straight through twisted pair cable To cascade two devices either run a connection from the daisy chain port on one device to a station port on t
30. r a comparable replacement Accton product or credit the original purchase price towards the purchase of any Accton product for any unrepairable defective product This warranty does not cover replacement of products damaged by abuse accident misuse neglect alteration repair disaster improper installation or improper testing ACCTON SHALL NOT BE HELD LIABLE FOR ANY LOSS OF PROFITS LOSS OF USE INCIDENTAL CONSEQUENTIAL OR SPECIAL DAMAGES CAUSED BY THE USE OF THIS PRODUCT OR INABILITY TO USE IT EVEN IF THE COMPANY OR ACCTON HAS BEEN ADVISED OF SUCH LIABILITY OR OTHER SPECIAL CLAIMS If you purchased this product in the USA be aware that some states do not allow limitations on how long an implied warranty lasts so the above limitations may not apply to you Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may have other rights which vary from state to state All parts or components contained in this product are covered by Accton s Limited Lifetime Warranty for this product The product may contain fully tested recycled parts warranted as if new For warranty information territories except North and South America Accton Technology Corporation International Headquarters No 1 Creation Rd III Science based Industrial Park Hsinchu 300 Taiwan Phone 886 3 57
31. sover cable is used Crossover cable should only be used if the a daisy chain port is not available 4 Make sure all devices are connected to the network Equipment may have been unintentionally disconnected from the network External Adapters Make sure the network adapter cards installed in the workstations are compatible and are in good working condition Troubleshooting A 3 Fast EtherHub 3500 System User s Guide Physical Configuration If problems occur after altering the network configuration restore the original connections and try to track the problem down by implementing the new changes one step at a time Ensure that cable distances and other physical aspects of the installation do not exceed recommendations Chapter 2 As a last resort verify the hub s integrity with a power on reset Turn the power to the hub off and then on several times If the problem still persists and you have completed all the preceding diagnoses then contact your Accton distributor for further assistance Refer to Appendix E Troubleshooting System Integrity 4 Appendix B Pin Assignments RJ 45 station ports MDI X can be attached to any devices which use a standard LAN interface e g a workstation server or router RJ 45 daisy chain ports MDI can be cascaded to a station port on similar networking devices e g a switch Use unshielded twisted pair UTP or shielded twisted pair STP cable for RJ 45 connectio
Download Pdf Manuals
Related Search