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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-pole power plug to a valid earth ground line to prevent
electrical hazards.

You may find the following booklet prepared by the Federal Communications
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.

Note: 

In order to maintain compliance with the limits of a Class B 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

: 100

W

 Category 5 STP or UTP

VCCI Class B compliance

This product also complies with CISPR22 Class B (EN55022 Class B).

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 B
(CISPR 22:1985/BS 6527:1988).

Compliance with the applicable regulations is dependent upon the use of shielded
cables.

Summary of Contents for Fast EtherHub-8s

Page 1: ...Fast EtherHub 8s INO GG ODJI IP G...

Page 2: ...Installation Manual Fast EtherHub 8s Smart Fast Ethernet Hub with 8 100BASE TX Ports...

Page 3: ...ke revisions to this publication without obligation to notify any person or entity of any such changes International Headquarters No 1 Creation Road III Science based Industrial Park Hsinchu 300 Taiwa...

Page 4: ...tallation manual Warranty registration card Please inform your dealer immediately should there be any wrong missing or damaged parts If possible retain the carton including the original packing materi...

Page 5: ...iple hubs you can stack them on top of each other after attaching the foot pads 4 Connect any devices that use a standard network interface to the RJ 45 MDI X station ports e g a workstation server br...

Page 6: ...ons by ensuring that you have made all the necessary connections you can access any connected resources the hub s indicators are functioning properly If you encounter any problems in installing the Fa...

Page 7: ...he following topics Chapter 1 Product Overview Brief description of Fast Ethernet followed by a description of this hub and a summary of its important features and specifications Chapter 2 Installing...

Page 8: ...Port 2 3 Distance Limit for Fast Ethernet Cabling 2 3 Providing Power to the EtherHub 2 4 Verifying Port Status 2 4 Verifying System Operation 2 5 Chapter 3 Configuring the Network 3 1 Stand Alone 3 1...

Page 9: ...pecifications C 1 Appendix D Regulatory Standards Compliance D 1 EMI Certification D 1 FCC Class B D 1 Voluntary Control Council for Interference D 2 European Community Immunity Requirements D 2 CE Ma...

Page 10: ...List of Figures Figure 3 1 Stand Alone Configuration 3 1 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 Fr...

Page 11: ...an be easily integrated into an existing 10 Mbps Ethernet environment with no need for protocol translation or changes to network software Accton s Fast EtherHub 8s The Fast EtherHub 8s includes 8 100...

Page 12: ...tors network utilization collisions link and port partition status LED indicator panel includes Utilization and Collision rate indicators for reporting hub activity and facilitating problem diagnosis...

Page 13: ...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 malfunctioning Ethernet card With automatic polari...

Page 14: ...ncluding power requirements sufficient physical space and proximity to other network devices that are to be connected Verify the following installation requirements Power requirements 100 to 240 VAC 1...

Page 15: ...e implemented 1 Prepare the network devices you wish to network Make sure you have installed suitable 100BASE TX network interface cards for making a connection to any of the hub s station ports You a...

Page 16: ...tch you may also run straight through twisted pair cabling from a station port on this hub to a crossover port on another device However if you must connect to another device via station ports at both...

Page 17: ...onnected input voltage Therefore no additional adjustments are necessary when connecting it to any input voltage within the range marked on the rear panel F The unit supports a hot remove feature whic...

Page 18: ...sure the twisted pair cable is properly attached to the connected device and the hub Verify that the RJ 45 plug snaps into place when attached See if the twisted pair cable is functioning properly by...

Page 19: ...ub configuration Some of the common applications for this Fast EtherHub are described in this chapter Stand Alone This hub can be used in a simple stand alone configuration as illustrated below In com...

Page 20: ...g 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 H...

Page 21: ...he daisy chain of three hubs shown in Figure 3 3 communications must be supported for node pairs AB and AC In this case first determine the limitations on cable length found on the longest path i e th...

Page 22: ...gment 2 To control the number of hubs in a path we recommend that one hub be used to connect to several other hubs Make sure there is only one path between any two stations on the network 3 If you nee...

Page 23: ...nd 1 RJ 45 MDI daisy chain port on the front panel Moreover the system indicators provide a simple interface for monitoring the hub The front panel includes a power indicator a statistical display for...

Page 24: ...rk 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 Indicators Power Status Color Green...

Page 25: ...ps bandwidth They provide a quick way to monitor the current traffic load relative to the network s capacity Collision Collision The statistical indicators show the percentage of packet collisions occ...

Page 26: ...tioned the port continues to receive data from the segment However data is not transmitted onto the segment When the problem is corrected or a valid data packet is received through the port the port i...

Page 27: ...b using twisted pair cable check that the cable length does not exceed 100 meters 328 feet You should have standard straight through cables and not crossover or other specialized cables Incoming Traff...

Page 28: ...e MDI port to a network interconnection device such as another hub or switch Remember that you cannot connect to Port 8MDI X and Port 8MDI at the same time Note Use Category 5 straight through twisted...

Page 29: ...automatically enable the port when the faulty condition disappears Symptom Link Traffic indicator remains unlit after making a connection Cause Network interface e g a network adapter card on the atta...

Page 30: ...r for assistance Installation 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...

Page 31: ...ork configuration restore the original connections then 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 i...

Page 32: ...Transmit Data 2 Input Receive Data Output Transmit Data 3 Output Transmit Data Input Receive Data 6 Output Transmit Data Input Receive Data 4 5 7 8 Not Used Not Used Table B 1 RJ 45 Pin Assignments Sc...

Page 33: ...RJ 45 MDI daisy chain port Hub to Workstation Distance 100 meters 328 feet max using category 5 STP or UTP cable Daisy Chain Distance 2 hubs 23 meters 75 feet assuming 100 meters 328 feet from each n...

Page 34: ...mits for a Class B 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...

Page 35: ...der to maintain compliance with the limits of a Class B digital device Accton requires that you use a quality interface cable when connecting to this device Changes or modifications not expressly appr...

Page 36: ...ons EMC EN55022 1988 CISPR 22 1985 class B IEC 1000 4 2 4kV CD 8kV AD IEC 1000 4 3 3V V m IEC 1000 4 4 1kV power line 0 5kV signal line IEC 1000 4 6 3Vrms This product complies with the requirements o...

Page 37: ...arallel 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 T...

Page 38: ...werden 10 Alle Hinweise und Warnungen die sich am Ger t befinden sind zu beachten 11 Wird das Ger t ber einen l ngeren Zeitraum nicht benutzt sollten Sie es vom Stromnetz trennen Somit wird im Falle e...

Page 39: ...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 fo...

Page 40: ...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 In the United States call 408 452 8828...

Page 41: ...connect via ftp to ftp accton com tw Send your technical questions by email to support accton com tw Mail your technical questions to International Headquarters Accton Technology Corporation Attn Tech...

Page 42: ...ULAR 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...

Page 43: ...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 th...

Page 44: ...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 68...

Page 45: ...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 connec tion from the daisy chain port on one dev...

Page 46: ...interconnected computers and support devices MDI Port Medium Dependent Interface MDI is the IEEE standard for the twisted pair interface to 10BASE T This RJ 45 port can be used with straight through c...

Page 47: ...opology Physical connections for this hub 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...

Page 48: ...Fast Ethernet Cabling 2 3 E EMI Certification D 1 Ethernet Ports 4 5 F Fast EtherHub 8s 1 1 FCC Warning D 1 Front Panel 4 1 G Guidelines for Multiple Hub Configuration 3 3 H Hardware Description 4 1...

Page 49: ...r Service E 1 Interactive Fast Fax E 2 Ordering Information E 6 Technical Support E 3 Providing Power to the SwitcHub 2 4 R Rear Panel 4 6 Repeater Delay 2 3 3 3 S Safety Compliance D 4 Specifications...

Page 50: ...EH3042S TX 150497 101 E0797 R04...

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