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Related Manuals for Accton Technology Fast EtherHub-12se
Summary of Contents for Accton Technology Fast EtherHub-12se
- Page 1 Fast EtherHub-12se &INO<GG<ODJI *<IP<G...
- Page 2 Installation Manual Fast EtherHub-12se Smart Fast Ethernet Hub with 11 100BASE-TX Ports and 1 100BASE-FX Port...
- Page 3 BBS: 408-452-8828 BBS: 886-3-5770-654 FAST FAX: 408-452-8811 Internet: support@accton.com.tw Accton, EtherHub and SmartWatch are trademarks or registered trademarks of Accton Technology Corporation. Other trademarks or brand names mentioned herein are trademarks or registered trademarks of their respective companies. EH3012-TF 150089-101...
- Page 4 To qualify for product updates and product warranty registration, fill in the and return it to Accton Technology Corporation. Owner Registration Card Package Contents...
- Page 5 Quick Installation The Fast EtherHub-12se is a Class II repeater. It contains 11 100BASE-TX Fast Ethernet RJ-45 ports, as well as 1 100BASE-FX fiber optic port that supports connection using standard multimode fiber cable. The smart design built into the front display panel provides a friendly interface that simplifies installation and network troubleshooting.
- Page 6 Fast EtherHub-12se User’s Guide If your twisted-pair connections are less than 100 meters long, then the 'LVWDQFH length of the fiber optic cable can be extended. Refer the section /LPLW IRU )DVW (WKHUQHW &DEOLQJ in Chapter 2 for a description of how to calculate the maximum length of fiber optic cable that can be used in your particular environment.
- Page 7 About this Guide This guide is designed for the experienced network installer. It describes how to install and operate Accton’s Fast EtherHub. After reading this manual, you should be able to use the front display panel and configure options to manage all your network connections.
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Page 8: Table Of Contents
Contents Chapter 1: Product Overview ..........1-1 Introduction to Fast Ethernet ..................1-1 Accton’s Fast EtherHub System.................1-1 Basic Features......................1-2 Chapter 2: Installing the System ..........2-1 Pre-Installation Requirements ...................2-1 Connecting the Hub System ..................2-1 Making RJ-45 Connections ..................2-2 Making Fiber Optic Connections................2-2 Distance Limit for Fast Ethernet Cabling .............2-3 Simplified Cable Length Constraints ..............2-3 Precise Cable Length Budgeting ..............2-4 Providing Power to the EtherHub................2-5... - Page 9 Fast EtherHub-12se User’s Guide Rear Panel .......................4-6 Power Socket ......................4-6 Appendix A: Troubleshooting ..........A-1 Diagnosing Hub Indicators..................A-1 System Diagnostics....................A-2 Installation ......................A-2 Configuration......................A-2 Hub Integrity......................A-2 Appendix B: Port and Cable Assignments ......B-1 RJ-45 Port .......................B-1 Appendix C: Specifications ............C-1 Product Specifications ....................C-1 Appendix D: Regulatory Standards Compliance ....D-1...
- Page 10 Figure 3-2 Multiple Hub Configuration Using the Daisy-Chain Port ......3-2 Figure 3-3 Cabling Limits for Multiple Hub Configuration........3-4 Figure 4-1 The Fast EtherHub-12se Front Panel .............4-1 Figure 4-2 The Fast EtherHub-12se Rear Panel ............4-6 Figure B-1 RJ-45 Connector (on the Hub Side) ............B-1 List of Tables Table B-1 RJ-45 Pin Assignments................B-1...
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Page 11: Chapter 1: Product Overview
Link Traffic The Fast EtherHub-12se can be used to relieve common network congestion, regardless of whether it is caused by too many stations contending for limited bandwidth or by a server that is supporting too many users. They can greatly improve access both to key servers and to the network backbone. -
Page 12: Basic Features
Fast EtherHub-12se User’s Guide Basic Features • Conforms to the IEEE 802.3u repeater specification for 100BASE-TX and 100BASE-FX • Transmits data at 100 Mbps for demanding applications • Friendly design that monitors network utilization, collisions, link and port partition status •... - Page 13 Fast EtherHub-12se User’s Guide These Fast EtherHubs support the following basic system safeguards: • This hub features automatic partitioning and reconnection, jabber lockup protection, and automatic polarity detection for network cabling. • With automatic partitioning and reconnection, any port is automatically isolated if excessive collisions occur on it.
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Page 14: Chapter 2: Installing The System
100BASE-FX device. The Fast EtherHub-12se has 11 RJ-45 station ports, of which Port 12 can serve as either a station port or a daisy-chain port (depending on the port’s switch setting). -
Page 15: Making Rj-45 Connections
Fast EtherHub-12se User’s Guide model you purchased) to connect any compatible network device to the TX/RX jacks on the fiber optic port. Note: The EH3012-TF-SC provides an SC-type fiber connector. The EH3012-TF-ST provides an ST-type fiber connector. Making RJ-45 Connections 1. -
Page 16: Distance Limit For Fast Ethernet Cabling
Both of these methods are described in this section. Simplified Cable Length Constraints The Fast EtherHub-12se is a Class II repeater. IEEE recommends that Class II hubs be limited to a cascade of two hubs. The simplest rule is that workstation connections be limited to 100 meters for twisted-pair cabling and 112 meters for fiber optic cabling, and that interhub cabling be limited to 5 meters. -
Page 17: Precise Cable Length Budgeting
Fast EtherHub-12se User’s Guide Precise Cable Length Budgeting If you plan on installing a network for a small office, it may not be convenient to place hubs within 5 meters of each other, and then run up to 100 meters of cabling for each end user. -
Page 18: Providing Power To The Etherhub
Fast EtherHub-12se User’s Guide On the other hand, if two hubs are connected via 100m of fiber optic cabling, then the total length of remaining cabling that can be used to connect two end- nodes to hub 1 and 2 respectively is 367m - (2 x 80m) - (0.9 x 100) = 117m. -
Page 19: Verifying System Operation
Fast EtherHub-12se User’s Guide Verifying System Operation Verify that all attached devices have a valid connection. The hub monitors link status for each port. If any device is properly connected to the hub and transmitting a link beat signal, the Link indicator lights up for the corresponding port. -
Page 20: Chapter 3: Configuring The Network
Chapter 3: Configuring the Network The Fast EtherHub-12se allows great flexibility in configuring your network. You can use it in a stand-alone or multiple hub configuration. Moreover, this hub also provides a fiber optic port which can be used to connect to any compatible 100BASE-FX device (e.g., a switch or router). -
Page 21: Using The Rj-45 Daisy-Chain Port
Fast EtherHub-12se User’s Guide Using the RJ-45 Daisy-Chain Port You can easily connect to another hub via the MDI daisy-chain port (Port 12). 6LPSOLHG &DEOH /HQJWK &RQVWUDLQWV When using as described in Chapter 2, the inter- hub cable length is 5 meters. Figure Chapter 3:-2 shows a sample configuration. -
Page 22: Precise Guidelines For Configuring Multiple Hubs
Fast EtherHub-12se User’s Guide Precise Guidelines for Configuring Multiple Hubs A detailed formula for calculating maximum cable length was provided in the 3UHFLVH &DEOH /HQJWK %XGJHWLQJ section on in Chapter 2. This formula stated that the maximum length of cabling that can be run from end-node to end-node is: ≥... - Page 23 Fast EtherHub-12se User’s Guide Figure Chapter 3:-4 Cabling Limits for Multiple Hub Configuration Notes: 1. The maximum length for each cable must be determined by calculations for the longest path (i.e., node-to-node connection) that passes through that cable segment. 2. To control the number of hubs in a path, we recommend that one hub be used to connect to several other hubs.
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Page 24: Chapter 4: Hardwarereference
Chapter 4: HardwareReference This chapter describes the hardware features of the Fast EtherHub-12se. For easier management and control of the hub, familiarize yourself with the display indicators and ports. This hub includes 11 RJ-45 MDI-X station ports, of which Port 12 can also serve as an MDI daisy-chain port. In addition, it... -
Page 25: Smartwatch Indicator Panel
Fast EtherHub-12se User’s Guide SmartWatch Indicator Panel The SmartWatch™ LED panel simplifies monitoring of various network conditions by providing LEDs that indicate the status of each station port and the overall condition of the hub. The following table lists the indicators and their function. -
Page 26: Statistical Display For System Performance
Fast EtherHub-12se User’s Guide Statistical Display for System Performance 8WLOL]DWLRQ 'LVSOD\ 0RGH 8WLOL]DWLRQ ) The statistical indicators show the percentage of valid data passing through each port compared to overall network bandwidth (updated every 0.5 seconds). There are 5 LEDs representing the percentage of network utilization. -
Page 27: Port Status Display
Fast EtherHub-12se User’s Guide Port Status Display 3DUWLWLRQ 6WDWXV Color: Label: Partition Function: Shows if the port has been isolated from the network Condition Indication ,QGLFDWHV SRUW KDV EHHQ SDUWLWLRQHG GXH WR DQ DEQRUPDO QHWZRUN FRQGLWLRQ 3RUW LV LQ JRRG FRQGLWLRQ A port is temporarily partitioned when a line error or too many collisions are detected on the attached segment. -
Page 28: Rj-45 Ethernet Ports
Fast EtherHub-12se User’s Guide 7UDQVPLW5HFHLYH $FWLYLW\ Color: Green Label: Traffic Function: Indicates traffic traversing the port. Condition Indication %/,1.,1* ,QGLFDWHV WKH SRUW LV WUDQVPLWWLQJ RU UHFHLYLQJ SDFNHWV EOLQNLQJ LV SURSRUWLRQDO WR WKH WUDIILF SDVVLQJ WKURXJK WKH SRUW 1R SDFNHWV DUH EHLQJ WUDQVPLWWHG IURP WKLV SRUW RJ-45 Ethernet Ports This hub includes 11 Fast Ethernet station ports;... -
Page 29: Rear Panel
Fast EtherHub-12se User’s Guide Rear Panel The rear panel includes a full-range power socket as shown below. Figure Chapter 4:-2 The Fast EtherHub-12se Rear Panel Power Socket The power socket accepts AC power from 100 to 240V at 50 to 60Hz. The unit is equipped with a universal full-range power source. -
Page 30: Appendix A: Troubleshooting
Appendix A: Troubleshooting Diagnosing Hub Indicators The Fast EtherHub-12se 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. -
Page 31: System Diagnostics
Fast EtherHub-12se User’s Guide System Diagnostics Installation Verify that all system components have been properly installed. If one or more components appear to be malfunctioning, test them in an alternate environment where you are sure that all the other components are functioning properly. -
Page 32: Appendix B: Port And Cable Assignments
Appendix B: Port and Cable Assignments RJ-45 Port Figure B-1 RJ-45 Connector (on the Hub Side) 0',; $VVLJQPHQW 0', $VVLJQPHQW 6WDWLRQ 3RUW a &DVFDGH 3RUW ,QSXW 5HFHLYH 'DWD 2XWSXW 7UDQVPLW 'DWD ,QSXW 5HFHLYH 'DWD 2XWSXW 7UDQVPLW 'DWD 2XWSXW 7UDQVPLW 'DWD ,QSXW 5HFHLYH 'DWD ... -
Page 33: Appendix C: Specifications
Appendix C: Product Specifications %DVHEDQG Transmission Technique 6WDU RU 7UHH Topology &60$&' 0ESV Access Method ,((( X %$6(7;); &ODVV ,, 5HSHDWHU Standards Conformance 8QVKLHOGHG RU VKLHOGHG WZLVWHGSDLU FDEOH Media Supported W &DWHJRU\ 873673 DQG mP RU mP PXOWLPRGH ILEHU 5- 0',;... -
Page 34: Appendix D: Regulatory Standards Compliance
Appendix D: Regulatory Standards Compliance EMI Certification FCC Class B Certification Accton Technology Corporation Model Numbers: EH3012-TF FCC ID: HED3012EHLCT-TF This device complies with Part 15 of the FCC Rules. Operation is subject to the following conditions: 1. This device may not cause harmful interference, and 2. -
Page 35: Voluntary Control Council For Interference (Vcci-1
Fast EtherHub-12se User’s Guide Warnings 1. Wear an anti-static wrist strap or take other suitable measures to prevent electrostatic discharge whenever handling this equipment. 2. When connecting this hub to a power outlet, connect the field ground lead on the tri-pole power plug to a valid earth ground line to prevent electrical hazards. -
Page 36: European Community Immunity Requirements
Fast EtherHub-12se User’s Guide Read the instructions for correct handling. European Community Immunity Requirements This unit was tested and found to comply with the Class B limits of EN55022 (CISPR 22) and the immunity requirements of EN50082-1. CE Mark Declaration of Conformance (for EMI and Safety) This is to certify that this product complies with ISO/IEC Guide 22 and EN45014. -
Page 37: Safety Compliance
Fast EtherHub-12se User’s Guide Safety Compliance Underwriters Laboratories Inc. Important! Before making connections, make sure you have the correct Cord Set. Check it (read the label on the cable) against the following specification list. 2SHUDWLQJ 9ROWDJH &RUG 6HW 6SHFLILFDWLRQV 9ROWV 8/ /LVWHG&6$ &HUWLILHG &RUG 6HW... -
Page 38: Sicherheitshinweise
Fast EtherHub-12se User’s Guide Sicherheitshinweise 1. Die Steckdose muß sich in der Nähe des Gerätes befinden und leicht zugänglich sein. 2. Zum Reinigen den Stecker aus der Steckdose ziehen. Beim Reinigen keine Flüssigreiniger oder Sprays verwenden, sondern ein angefeuchtetes Tuch. -
Page 39: Appendix E: Product Support Services
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. -
Page 40: Software Update And Upgrade Service
Fast EtherHub-12se 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. -
Page 41: Technical Support
Fast EtherHub-12se 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. • Send your technical questions by Fax to:... -
Page 42: Limited Warranty
Fast EtherHub-12se 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. -
Page 43: Return Process
Fast EtherHub-12se 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. -
Page 44: Ordering Information
Fast EtherHub-12se User’s Guide Accton Offices $FFWRQ 7HFKQRORJ\ &RUSRUDWLRQ $FFWRQ $XVWUDOLD ,QWHUQDWLRQDO +HDGTXDUWHUV 8QLW 1R 'RRPEHQ $YH 1R &UHDWLRQ 5G ,,, (DVWZRRG 16: $XVWUDOLD 6FLHQFHEDVHG ,QGXVWULDO 3DUN 3KRQH +VLQFKX 7DLZDQ 52& )D[ +VLQFKX 3KRQH ... -
Page 45: Glossary
Glossary 100BASE-TX IEEE’s specifications for 100 Mbps Ethernet using twisted-pair cable (100W Cat. 5 STP or UTP). The maximum length of cable for a point-to-point connection is 100 meters. 100BASE-FX IEEE’s specifications for 100 Mbps Ethernet using multimode fiber optic cable. The maximum length of cable for a point-to-point connection is 112 meters in a shared collision domain. - Page 46 Fast EtherHub User’s Guide Ethernet A network communication system developed and standardized by DEC, Intel, and Xerox, using baseband transmission, CSMA/CD access and 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.
- Page 47 Fast EtherHub User’s Guide 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 device that has a standard network interface (e.g., workstation, server or router).
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Page 48: Index
Index Automatic Partitioning • 1-3 IEEE 802.3u standard • 2-4, 3-1 Automatic Polarity Detection • 1-3 Indicators Alert • 4-2 Collision% • 4-3 Link • 2-6, 4-4 Panel • 4-2 Cable Length Partition • 4-4 Calculating Maximum Length • 2-3 Port Status •... - Page 49 Fast EtherHub-12se User’s Guide Port and Cable Assignments • B-1 Troubleshooting Ports Configuration • A-2 Fiber optic • 4-5 Connections • 4-4 RJ-45 • 4-5 Hub Indicators • A-1 Power Cord Specifications • D-4 Installation • A-2 Power Socket • 4-6 Product Features •...
- Page 50 EH3012-TF E1296-R01 150089-101...
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