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Accton Technology Fast EtherHub-8s Installation Manual
Summary of Fast EtherHub-8s
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Fast etherhub- 8s &ino *.
Page 2: Installation Manual
Installation manual fast etherhub- 8s smart fast ethernet hub with 8 100base-tx ports.
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Copyright © 1997 by accton technology corporation. All rights reserved. No part of this document may be copied or reproduced in any form or by any means without the prior written consent of accton technology corporation. Accton makes no warranties with respect to this documentation and disclaims any...
Page 4: Package Contents
Package contents i package contents carefully unpack the contents of the package and verify them against the checklist given below. Package checklist æ fast etherhub-8s (model no. Eh3042s-tx) æ ac power cord (optional) æ four rubber foot pads æ installation manual æ warranty registration card please...
Page 5: Quick Installation
Quick installation iii quick installation the fast etherhub-8s contains 8 100base-tx fast ethernet ports. The smart design built into the front display panel provides a friendly interface that simplifies installation and network troubleshooting. If you are already familiar with basic network operati...
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Fast etherhub-8s user’s guide iv quick installation 6. This hub can serve as a stand-alone repeater for small networks, can be cascaded with compatible devices (e.G., fast ethernet hub or switch), or can be connected to a network interconnection device (e.G., fast ethernet bridge or router). 7. Veri...
Page 7: About This Guide
About this guide v about this guide this guide is designed for the experienced network installer. It describes how to install and operate accton’s fast etherhub-8s. After reading this manual, you should be able to use the front display panel and configure options to manage all your network connectio...
Page 8: Contents
Contents vii chapter 1: product overview ................................................. 1-1 introduction to fast ethernet .....................................................................................1-1 accton’s fast etherhub-8s ...............................................................
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Fast etherhub-8s user’s guide viii contents appendix a: troubleshooting ................................................ A-1 diagnosing hub indicators........................................................................................A-1 system diagnostics ..........................................
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Fast etherhub-8s user’s guide contents ix limited warranty .......................................................................................................E-4 customer remedies ..............................................................................................E-4 return process.......
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Product overview 1-1 chapter 1: product overview introduction to fast ethernet standard 10 mbps ethernet has served well for past generations of 286 and 386 machines performing simple file transfers. However, with the inevitable growth in corporate network size and the introduction of fully-function...
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Fast etherhub-8s user’s guide 1-2 product overview basic features • transmits data at 100 mbps for demanding applications • conforms to the ieee 802.3u repeater specification for 100base-tx • provides 8 rj-45 100base-tx station ports (using mdi-x wiring) • port 8 can serve as an mdi-x station port (...
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Fast etherhub-8s user’s guide product overview 1-3 • with the jabber lock-up function, the hub automatically stops transmission of abnormal ethernet frames that may cause data loss for all network users. (jabber refers to abnormal ethernet frames which are much too long and may come from a malfuncti...
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Installing the system 2-1 chapter 2: installing the system this chapter provides information on installing the fast etherhub-8s, estab- lishing network connections, and configuring the system. You may install this hub on any level surface (e.G., a table or shelf) or in a standard eia equipment rack....
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Fast etherhub-8s user’s guide 2-2 installing the system connecting the hub system the etherhub-8s has 8 rj-45 station ports and 1 rj-45 daisy-chain port. The station ports allow you to make connections to devices such as a workstation, server, bridge or router. You can also cascade to another compat...
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Fast etherhub-8s user’s guide installing the system 2-3 making a connection via the mdi daisy-chain port 1. To make a direct connection to another compatible repeater or switch, use the 8mdi daisy-chain port. When connecting to this port, remember not to use port 8mdi . 2. Prepare straight-through s...
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Fast etherhub-8s user’s guide 2-4 installing the system from node to node is 367m - (2 x 72m) = 223m (732 ft). Therefore, if both node a and b are linked to separate repeaters in a two hub system, each using 100 meters (328 feet) of cable to connect to their respective hub, then the inter- hub cabli...
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Fast etherhub-8s user’s guide installing the system 2-5 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 fo...
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Configuring the network 3-1 chapter 3: configuring the network the fast etherhub-8s allows great flexibility in configuring your network. You can use it in a stand-alone or multiple hub configuration. Some of the common applications for this fast etherhub are described in this chapter. Stand-alone t...
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Fast etherhub-8s user’s guide 3-2 configuring the network connecting multiple hubs using the rj-45 daisy-chain port you can easily connect to another hub via the mdi daisy-chain port. Figure 3.2 shows a sample configuration. Figure 3.2 multiple hub configuration using the daisy-chain port.
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Fast etherhub-8s user’s guide configuring the network 3-3 guidelines for configuring multiple hubs in a multiple hub configuration, the maximum overall segment length for inter- hub cabling depends on the length of the cables used to connect station nodes to the hub system and the number of hubs you...
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Fast etherhub-8s user’s guide 3-4 configuring the network figure 3.3 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 segment. 2. To control the n...
Page 23: Chapter 4:
Hardware reference 4-1 chapter 4: hardware reference before connecting any network device to this hub, please review chapter 2 for information on system installation and chapter 3 for a brief look at common network architectures. This chapter describes the hardware features of the fast etherhub-8s. ...
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Fast etherhub-8s user’s guide hardware reference 4-2 the front panel array provides indicators that show the utilization of network bandwidth and indicate the status of port connections. It includes port status indicators and a statistical display for network traffic as shown below. Figure 4.2 indic...
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Fast etherhub-8s user’s guide hardware reference 4-3 statistical display for system performance utilization - ( utilization% ) the statistical indicators show the percentage of valid data passing through all ports compared to overall network bandwidth (updated every 0.5 seconds). There are 5 leds re...
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Fast etherhub-8s user’s guide hardware reference 4-4 note : if the hub displays a high collision rate, check to see if any of the connected devices are malfunctioning or if a loop has been formed in your network connections. Otherwise, you may need to reconfigure your network to balance the traffic ...
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Fast etherhub-8s user’s guide hardware reference 4-5 troubleshooting : if the link led does not light up when a device is connected to its corre- sponding port, check that both the hub and connected device are powered on. For devices connected to the hub using twisted-pair cable, check that the cabl...
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Fast etherhub-8s user’s guide hardware reference 4-6 rear panel there are 8 rj-45 mdi-x station ports and 1 rj-45 mdi daisy-chain port on the front panel.This hub includes 8 fast ethernet station ports on the front panel; of which port 8 can also serve as a daisy-chain port. Connect the mdi-x statio...
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Troubleshooting a-1 appendix a: troubleshooting diagnosing hub indicators this fast etherhub 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 e...
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Fast etherhub-8s user’s guide a-2 troubleshooting 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,...
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Fast etherhub-8s user’s guide troubleshooting a-3 external adapters make sure the network interface hardware and software drivers for the attached devices are function properly. Check the adapter cards and associated drivers used in any attached workstation or server. Physical configuration if probl...
Page 32: Appendix B:
Port and cable assignments b-1 appendix b: port and cable assignments rj-45 port figure b-1 rj-45 connector (on the hub side) pin mdi-x assignment (station port 1 ~ 8) mdi assignment (cascade port 8) 1 input receive data + output transmit data + 2 input receive data - output transmit data - 3 output...
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Product specifications c-1 appendix c: product specifications transmission technique baseband topology star or tree access method csma/cd, 100mbps standards conformance ieee 802.3u 100base-tx class ii repeater media supported unshielded or shielded twisted-pair cable (100 w category 5 stp/utp) inter...
Page 34: Appendix D:
Regulatory standards compliance d-1 appendix d: regulatory standards compliance emi certification fcc class b certification accton technology corporation model numbers: eh3042s-tx fcc id: hed3042s-txrb this device complies with part 15 of the fcc rules. Operation is subject to the following conditio...
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Fast etherhub-8s user’s guide d-2 regulatory standards compliance 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-p...
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Fast etherhub-8s user’s guide regulatory standards compliance d-3 ce mark declaration of conformance 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(1985) class b iec 1000-4-2 4kv cd, 8kv ad iec...
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Fast etherhub-8s user’s guide d-4 regulatory standards compliance 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 se...
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Fast etherhub-8s user’s guide regulatory standards compliance d-5 wichtige sicherheitshinweise 1. Bitte lesen sie diese hinweise sorgfältig durch. 2. Heben sie diese anleitung für den späteren gebrauch auf. 3. Vor jedem reinigen ist das gerät vom stromnetz zu trennen. Verwenden sie keine flüssig- od...
Page 39: Appendix E:
Product support services e-1 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 opera...
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Fast etherhub-8s user’s guide e-2 product support services 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...
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Fast etherhub-8s user’s guide product support services e-3 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 questi...
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Fast etherhub-8s user’s guide e-4 product support services 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 purcha...
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Fast etherhub-8s user’s guide product support services e-5 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 dam...
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Fast etherhub-8s user’s guide e-6 product support services accton offices accton technology corporation international headquarters, no. 1 creation rd. Iii, 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: 886-3-5770-6...
Page 45: Glossary
Glossary 1 glossary 100base-tx ieee’s specifications for 100 mbps ethernet using twisted-pair cable (100 w stp or utp ). The maximum length of cable for a point-to-point connection is 100 meters 328 feet). Collision a condition in which two packets transmitted over a medium interferes with each othe...
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Fast etherhub-8s user’s guide 2 glossary fast ethernet 100 mbps network communication system based on ethernet and the csma/cd access method. 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 s...
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Fast etherhub-8s user’s guide glossary 3 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)....
Page 48: Index
Index 1 index a accton's fast etherhub-8s • 1-1 automatic partitioning • 1-3 automatic polarity detection • 1-3 c certification • c-1 class ii repeater • 2-3, 3-3 configuring the network • 3-1 connecting multiple hubs • 3-2 connecting the hub system • 2-2 connection verifying • 2-5 crossover cable •...
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Fast etherhub-8s user’s guide 2 index m mdi daisy-chain port • 3-2 n network connection mdi daisy-chain port • 2-3 mdi-x station port • 2-2 p port and cable assignments • b-1 port status indicators • 4-4 power cord specifications • d-4 power socket • 4-6 product features • 1-2 product support servic...
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Eh3042s-tx 150497-101 e0797-r04.