Appendix A: Troubleshooting
Contents
1. 0 4 Amp at 100 VAC 0 2 Amp at 240 VAC 0 C to 50 C Standard Operating 5 to 95 Noncondensing CE Mark FCC Class A VCCI Class 2 CISPR Class B IEC 1000 4 2 3 4 EN60555 2 Class A EN60555 3 UL CSA TUV GS filtering forwarding and leaming adaptive cut through at line speed at line speed less than 20 microseconds AK entries 10 Mbps ports 64K bytes per port 100 Mbps port 160K bytes Specifications C 1 Appendix D Standards Compliance EMI Certification FCC Class A 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 acommercial 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 You may use unshielded twisted pair UTP for RJ 45 connections 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 switch to a power outlet connect the field ground lead on the tri2. Adaptive Cut through 1 4 Address Learning Function 1 5 Applications High Bandwidth File Server 3 3 High Speed Link between Switches 3 4 Multiport Bridge with High Bandwidth Backbone 3 2 Switch Used as Collapsed Backbone for Starter Network 3 1 C Configure Button 4 3 Long Press 2 5 Short Press 2 5 Connecting the Switch System 2 1 Connection Verifying 2 8 Cord Set Specifications D 3 Cross bar Switching 1 5 Crossover Cable B 1 Cut through Switching 1 2 1 3 D Daisy chain Connection 2 2 Diagnostic Tests 2 4 Display Mode 2 4 Index E EMI Certification D 1 Ethernet Ports 4 17 F FCC Warning D 1 Filter Packets 1 1 Forward Packets 1 1 Frame Filtering 1 5 Frame Forwarding 1 5 Full Half Duplex Mode Selection 2 7 H Hardware Description 4 1 Hashing Scheme 1 5 Installation Requirements 2 1 L LED Indicators 100M 4 4 Collision 4 9 CPU 4 4 Demo 4 5 Diag 4 6 Filter 4 14 Forward 4 14 Full Half 4 16 SwitcHub 7s User s Guide Full Duplex 4 16 Link 4 10 Receive 4 10 Select 4 16 Statistical Display 4 12 Status 4 8 Transmit 4 10 Util 4 13 Limited Warranty E 4 Link Indicator 2 8 Maximum Cable Length Twisted pair 2 8 N Network Applications 3 1 P Package Contents i Port and Cable Assignments B 1 Port Diagnostic Test 4 7 Port Status 2 8 Power Soc
3. 1985 class B IEC 1000 4 2 1995 IEC 801 2 1991 4kV CD 8kV AD IEC 1000 4 3 1995 IEC 801 3 1984 3 V m IEC 1000 4 4 1995 IEC 801 4 1988 1kV power line 0 5kV signal line This product complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC Warning Do not plug a phone jack connector in the RJ 45 port This may damage the switch Les raccordeurs ne sont pas utilis pour le systeme t l phonique D 2 Standards Compliance SwitcHub 7s User s Guide Safety Compliance Underwriters Laboratories Inc 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 Operating Voltage Cord Set Specifications 120 Volts UL Listed CSA Certified Cord Set Minimum 18 AWG Type SVT or SJ T three conductor cord Maximum length of 15 feet Parallel blade grounding type attachment plug rated 15A 125V 240 Volts For North America 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 240 Volts For Europe only Cord Set with HOSVV F cord having three conductors with minimum diameter of 0 75 mm IEC 320 receptacle Male plug rated 6A 250V The unit will automatically select the setting that matches the input voltage connected
4. 45 Port MDI X Assignment Station Ports 1 7 Input Receive Data Input Receive Data Output Transmit Data Output Transmit Data Not Used MDI Assignment Cascade Port 7 Output Transmit Data Output Transmit Data Input Receive Data Input Receive Data Table B I RJ 45 Pin Assignments Schematics for both straight and crossover twisted pair cable are shown below Straight Through Switch Adapter 1 IRD 1 OTD 2 IRD 2 OTD 3 OTD 3 IRD 6 OTD 6 IRD Crossover Switch 1 IRD 2 IRD 3 OTD 6 OTD Switch 1 IRD 2 IRD 3 OTD 6 OTD Pin Assignments B 1 Appendix C Specifications Product Specifications Basic Criteria Access Method Standards Conformance Communication Mode Media Supported Number of Ports Dimensions Input Power Power Consumption Temperature Humidity Certification Emissions Immunity Safety Switching Criteria Network Bridging Function Switching Method Maximum Filtering Rate Maximum Forwarding Rate Network Latency Address Table Queue Buffer CSMA CD 10 100 Mbps IEEE 802 3 10BASE T IEEE 802 3u 100BASE TX Full duplex or half duplex 10BASE T Category 3 4 5 twisted pair cable 100BASE TX Category 5 twisted pair cable 6 RJ 45 ports for 10BASE T 1 RJ 45 port for 10BASE T or 100BASE TX 330mm x 216mm x 43mm 13 x 8 5 x 1 69 Full range power input 100 240V 10 50 60 Hz 3
5. Appendix A Troubleshooting Diagnosing Switch Indicators The SwitcHub 7s can be easily monitored through its comprehensive front panel indicators These indicators assist the network manager in identifying problems the switch may encounter This section describes common problems you may encounter and possible solutions Symptom CPU indicator displays a steady green light long after power on Cause Defective CPU or power supply Solution Have your unit s CPU or power supply replaced Ask for dealer assistance Symptom Link indicator does not light up green LED after making a connection Cause Workstation s network adapter cable or switch port is defective Solution The most common cause for a bad connection to a workstation or server is a defective network adapter or cable connection Check the workstation s network adapter and cable connections for possible defects Replace the defective adapter or cable Use the diagnostic procedures described in Chapter 2 i e refer to the section on Diagnostic Display Mode to verify that all other system components are functioning properly If any component fails the diagnostic test contact your Accton distributor for assistance Troubleshooting A 1 SwitcHub 7s User s Guide System Diagnostics Installation Verify that all system components have been properly installed If one or more components appear to be malfunctioning then test them in an alternate environment where
6. Therefore no additional adjustments are necessary when connecting it to any input voltage within the range marked on the rear panel Standards Compliance D 3 SwitcHub 7s User s Guide Sicherheitshinweise 1 Die Steckdose mu sich in der N he des Ger tes befinden und leicht zug nglich sein 2 Zum Reinigen den Stecker aus der Steckdose ziehen Beim Reinigen keine 11 12 13 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 rt werden kann Keinerlei Gegenst nde durch die ffungen in das Ger t stecken da es dadurch sonst zu Kurzs
7. ace 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 E 4 Support Services SwitcHub 7s User s Guide Return Process 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 anew or reconditioned product and the returned product becomes Accton s property At Accton s sole discretion Accton will issue a credit for either 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 alterati
8. all the other components are functioning properly Cabling 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 1 When cascading 2 switches using RJ 45 station ports at both ends of the cable i e not a daisy chain port make sure a crossover cable is used Crossover cable should only be used if a daisy chain port is not available 2 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 in good working condition 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 atime Ensure that cable distances repeater limits and other physical aspects of the installation do not exceed recommendations A 2 Troubleshooting SwitcHub 7s User s Guide Switch Integrity As a last resort verify the switch s integrity with a power on reset Turn the power to the switch off and then on 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 A 3 Appendix B Pin Assignments RJ
9. chl 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 Standards Compliance Appendix E Support Services Product Registration Fill in the Owner Registration Card and mail itto 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 and 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 Aut
10. h 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 FAX ed to your FAX machine 24 hours a day e 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 E 2 Support Services SwitcHub 7s 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 e To obtain software upgrades connect via 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 Attn Technical Support Corporation No 1 Creation Road III Attn Technical Support Science based Industrial Park 1962 Zanker Road Hsinchu 300 Taiwan R O C San Jose CA 95112 U S A During local business hours call International Headquarters USA Headquarters Monday through Friday Monday through Friday 8 am to 6 p m 7 a
11. horization 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 Support Services E 1 SwitcHub 7s User s Guide 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 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 e In countries other than the U S call 886 3 5770 654 to reach Accton Taiwan s modem 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 Inthe United States call 408 452 8828 to reach the Accton USA s BBS line Modems wit
12. ide Accton Offices Accton Technology Corporation International Headquarters No 1 Creation Rd Ill Science based Industrial Park 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 San Jose 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 6BJ United Kingdom Phone 44 1753 687677 44 1753 680109 Fax 44 1753 689010 Ordering Information SwitcHub 7s ES2007 TX Accton Australia Level 6 10 Help Street Chatswood N S W 2067 Australia Phone 61 2 9410 9860 Fax 61 2 9410 9861 BBS 61 2 9410 9862 Accton Japan Kano Bldg 7F 1 25 1 Nishi Gotanda Shinagawa ku 141 Tokyo Japan Phone 81 3 3495 1351 Fax 81 3 3495 1352 7 port Fast Ethernet Switch E 6 Support Services Glossary 10BASE T IEEE s specifications for 10 Mbps Ethernet using twisted pair cable Category 5 1000 STP or UTP The maximum length of cable for a point to point connection is 100 meters 100BASE TX IEEE s specifications for 100 Mbps Ethernet using twisted pair cable 100 STP or UTP The maximum length of cable for a point to point connection is 100 meters Collision A condition in which two packets transmitted over a medium in
13. ket 4 18 Product Specifications C 1 Product Support Services E 1 Accton Offices E 6 Bulletin Board Service E 2 Hardware Repair Service E 1 Interactive Fast Fax E 2 Ordering Information E 6 Software Update and Upgrade Service E 2 Technical Support E 3 Providing Power to the SwitcHub e 2 3 2 Q Quick Installation iii S Safety Compliance D 3 Server Workstation Connection 2 2 Setup and Configuration 2 1 Standards Compliance D 1 Switching Methods 1 3 Switching Technology 1 1 System Diagnostic Test 4 6 T Total Bandwidth 1 4 Troubleshooting 4 10 Configuration A 2 Switch Indicators A 1 Installation A 2 V Verifying System Operation 2 8 ES2007 TX ACETON no
14. m to 5 p m Pacific Time 886 3 5770 270 408 452 8900 or 800 926 9288 Support Services E 3 SwitcHub 7s User s Guide Limited Warranty 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 Customer Remedies If the product is found 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 repl
15. nt Interface MDI is the IEEE standard for the UTP interface to LOBASE T This RJ 45 port can be used with straight through cable to connect the switch to a network interconnection device such as another switch or router 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 hub to any workstation or server that has a properly installed network adapter card Pin out assignments are shown in Appendix B RJ 45 Connector Most common terminator for twisted pair wiring 2 Glossary SwitcHub 9sD User s Guide Shielded Twisted Pair STP 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 100Q and has the same pin assignment as UTP This cable should not be confused with the older 150 cable type designed by IBM Station Port Ports which are used for connecting the hub to any workstation or server that has a properly installed network adapter card Unshielded Twisted Pair UTP Cable composed of two insulated wires twisted together to reduce electrical interference used in common telephone cord Glossary 3 Index 1 100BASE TX 1 2 10BASE T 1 2 A
16. on 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 All territories except North and South America Accton Technology Corporation International Headquarters No 1 Creation Rd III Science based Industrial Park Hsinchu 300 Taiwan R O C Phone 886 3 5770 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 Support Services E 5 SwitcHub 7s User s Gu
17. pole power plug to a valid earth ground line to prevent electrical hazards Canada Department of Communications Class A This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference causing equipment standard entitled Digital Apparatus ICES 003 of the Department of Communications Cet appareil num rique respecte les limites de bruits radio lectriques applicables aux appareils num riques de Classe A prescrites dans la norme sur le mat riel brouilleur Appareils Num rques NMB 003 dict e par le minist re des Communications Standards Compliance D 1 SwitcHub 7s User s Guide Voluntary Control Council for Interference VCCI 2 Caution This is a Class 2 product based on the standard of the Voluntary Control Council for Interference by Information Technology Equipment VCCI If this equipment is used near a radio or television receiver in a domestic environment it may cause radio interference Install and use the equipment according to the instruction manual HE LORE AIRE SARRE H EHH ie CCI OBE KES l B ERRET ORB RERATEAFZILH EMELTWEFH LORBMSUAPTLEY a AERA L Tie AZNAL ARREZ SRITI L MHVET ARRAS ChE gt CIE Leo Big ELT Es CE Mark Declaration of Conformance for EMI and Safety This is to certify that this product complies with ISO IEC Guide 22 and EN45014 It conforms to the following specifications EMC EN55022 1988 CISPR 22
18. terferes with each other Their interference makes both unintelligible Configuration The way to set up a computer server or local area network 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 to another device you may either use the daisy chain port or cascade the two devices by running crossover cable between MDI X station ports on both devices Glossary 1 SwitcHub 7s User s Guide 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 IEEE 802 3 Standard Standard for the physical and electrical connections in local area networks developed by the IEEE The IEEE 802 3u standard covers these same issues for 100 Mbps networks LED Light emitting diode on the front panel of the SwitcHub used for monitoring a switch or network condition An LED display corresponds to a switch condition Local Area Network LAN A group of interconnected computers and support devices MDI Port Medium Depende
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