KTI Networks DH-8T Network Card User Manual
Contents
1. ERNET HUB Front Panel B Rear Panel OO DO OO O0 20 Og Food VLLL Features e Networkports 8 TP ports Standard TP ports conform to IEEE 802 3 10Base T std Provides an additional RJ 45 jack labeled 8C on the TP Port 8 for connecting to another hub A standard straight through 10Base T UTP cable can be used for the hub to hub connection Each TP port has one Link Rx LED to indicate the link and receiving activity status of the UTP link segment Each TP port can detect and correct wiring polarity reversal automatically TwoLEDs are provided to indicate other activities of the hub Power LED Power status CollisionLED Network collision status 2 Installation Installation You can place the hub in an area that meets the following specifica tions Temperature 5 to 40 C when operating Humidity 10 to 80 when operating Dimension 195 mm x 129 mm x 28 mm WxDxH Checking AC Power One AC power adapter is contained in the hub package Before you begin the installation check the AC voltage of your area The AC power adapter which is used to supply the DC power for the hub should have the AC voltage matching the commercial power voltage at your area The specifications of the AC power adapter are AC input power AC power voltage of your area DC output power 12 VDC 500mA min DCplugtype e d 3 Making Network Connections Network Connector2. Installation Guide 10Base T Ethernet Hub Model DH8T DOC 980213 DH8T K P N 750 0104 001 KTI Networks Inc All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any directive work such as translation or transformation without permission from KTI Net works Inc KTI Networks Inc reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of KTI Networks Inc to provide notification of such revision or change For more information contact United States KTI Networks Inc P O BOX 631008 Houston Texas 77263 1008 Phone 713 2663891 Fax 713 2663893 BBS 713 2663015 E mail kti ktinet com Web http www ktinet com International Fax 886 2 26983873 E mail kti ktinet com tw Web http www ktinet com tw The information contained in this document is subject to change without prior no tice Copyright KTI All Rights Reserved TRADEMARKS Ethernet is a registered trademark of Xerox Corp NetWare is a registered trademark of Novell Inc WARNING This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequ
3. Power status LED One Collision status LED Eight Link and activity status LEDs One for each TP port j 6 6 6 U LikRx 10BASE T ETHERNET HUB 9 9 9 9 Cusen LED Indicators Interpretations Power LED The LED indicates the status of the hub s power source Match the activity of the LED with one of the states indicated in the table State Indication Interpretation On Normal The power of the hub is on Off Problem No power is being supplied to the hub Collision LED This LED indicates the collision detected bv the hub The LED is normally off and it blinks when there are collisions As the frequency of collisions on a network increases the blink activities on time of the LED also increase Link Rx LED Each TP port has one Link Rx LED to indicate the link status and receiving activities of the connection to the attached device State Indication Interpretation On Normal the UTP link is in good condition and no receiving activities are present Blink Normal the UTP link is in good condition and there receiving activities are present Off Normal No active device is connected at the other end of the UTP link Appendix Specifications Temperature Operating 5 to 40 C Storage 40 to 70 C Humidity Operating 10 to 80 Storage 5 to 90 Dimension 195mm W x 129mm D x 28mm H 7 7 inch W x 5 1 inch D x 1 1 inch H RJ 45 Jack Pin Assignments The following illustrations indic
4. ate the pin assignments of the RJ 45 jacks on the hub 1234528678 BA etta Jacks 1 8 Jack 8C Pin Jack Assignment Jack Assignment INCOMINGDATA 1 OUTGOING DATA1 2 INCOMINGDATA 1 OUTGOINGDATA l 3 OUTGOING DATA 1 INCOMING DATA 1 4 NoConnection No Connection 5 NoConnection No Connection 6 OUTGOINGDATA1 C INCOMINGDATA l 7 NoConnection No Connection 8 No Connection No Connection 10 UTP Cabling Specifications The hub s TP ports support standard 10Base T cable topologies and types including Category 3 4 or 5 unshielded twisted pair cable The maximum length supported by the Ethernet is 100 meters of UTP cable The cable quality distance and connectors must comply with the EIA TIA 568 Commercial Building Wiring Standard The following figure illustrates the cable types used for different con nections UTP Cables Computer s 2 Hub s MDI X Jack 3 10Base T port Hub s MDI Jack ac 10Base T Transceive 2 A MDI Jack mk eT po PO Hub sMDI X Jack Ji 6 6 D 1 Hub sMDI X Jack DLL Other Hub s MDI X Jack Hub s MDI X Jack 11
5. ces and similar electrical equipment Part 2 Harmonics 10BASE T ETHERNET HUB INSTALLATION GUIDE DOC 980214 DH8T NK P N 750 0104 002 Table of Contents Chapter 1 Introduction Introduction Features arenan RR Chapter 2 Installation Installation 5 a 3 Checking AC Power essen 3 Chapter 3 Making Network Connection Network Connectors eese 4 Connecting to an Ethernet Node see 5 Hub to Hub Connection via UTP Cable esses 6 Chapter 4 Interpreting Hub LEDs Locations of the Hub LED Indicators 8 Interpretation eerte ct ee ne enne eret na corr baee prae dires 8 Appendix Specificatiolis i notre e bii va A EROS RJ 45 Jack Pin Assignments i UTP Cabling Specifications sss 1 Introduction Introduction This hub is an Ethernet Hub designed for the 10Base T environment In terms of topology twisted pair Ethernet 10Base T is defined as a star topology rather than a bus Each port on the hub connects to only one 10Base T device via unshielded twisted pair UTP cable The hub provides eight Twisted Pair TP ports RJ 45 Jacks and one 12V DC power socket on the rear panel On the front panel there are ten LED indicators for displaying the port status and the hub status The following figure illustrates the front panel and rear panel of the hub Link Rx 10BASE TETH
6. ency energy and if not installed and used in accordance with the instruction manual may cause harmful interference in which case the user will be required to correct the interference at his own expense NOTICE 1 The changes or modifications not expressively approved by the party responsible for compliance could void the user s authority to operate the equipment 2 Shielded interface cables and AC power cord if any must be used in order to comply with the emission limits CISPR A COMPLIANCE This device complies with EMC directive of the European Community and meets or exceeds the following technical standard EN 55022 Limits and Methods of Measurement of Radio Interference Characteris tics of Information Technology Equipment This device complies with CISPR Class A WARNING This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures CE NOTICE Marking by the symbol CE indicates compliance of this equipment to the EMC directive of the European Community Such marking is indicative that this equip ment meets or exceeds the following technical standards EN 55022 Limits and Methods of Measurement of Radio Interference characteris tics of Information Technology Equipment EN 50082 1 Generic Immunity Standard Part 1 Domestic Commercial and Light Indus try EN 60555 2 Disturbances in supply systems caused by household applian
7. ode through the cable and connectors to the hub Refer to Appendix RJ 45 Jack Pin Assignments for the information of UTP wire pairs Hub to Hub Connection via UTP Cable 5 When the number of 10Base T nodes in your network exceeds eight you need to connect at least two hubs to integrate all 10Base T nodes into one network You may connect one hub to another hub by using an ordinary UTP cable as the following steps 1 Connect one end of the UTP cable to the jack labeled 8C of Hub A 2 Connect the other end of the cable to any available MDI X jack of Hub B 25 2 2m 2 2 d MDI Jack 8C UTP cable max length 100 meters The maximum length of the UTP cable connecting two hubs is 100 meters When connecting more than two hubs via TP ports and UTP cables it is important to minimize the number of hubs in any path of the network You may select one hub to serve as a primary hub to which other hubs will be connected This will minimize the number of hubs in any path node to node on the network The following figure illustrates an example of connection topology Primary Hub NCC XX OC E E 8C MDI jack 8C MDI jack 8 em 8C MDI jack l a 8C MDI jack CECCOWORUNE d pA 4 Interpreting Hub LEDs Locations of the Hub LED Indicators The hub provides the following LEDs One
8. s The hub has 8 TP ports which are presented bv 8 RJ 45 jacks The jacks labeled 1 through 8 are permanently configured as 10Base T MDI X jacks and the jack labeled 8C next the jack labeled 8 is an alternative jack which is configured as MDI jack for the TP port 8 Both jacks can not be used at the same time MDI jack of TP port 8 TP ports MDI X jacks CCRC ECL ko 1 2 3 4 3 6 7 8 C 413V 500mA DC power input socket Network Connectors The MDI X jacks can support connections to 10Base T Ethernet nodes or lower level hubs via 10Base T UTP cables The MDI jack 8C is used for connecting to an upper level hub A 10Base T UTP cable can be a Category 3 4 or 5 unshielded twisted pair cable with an RJ45 plug at each end Connecting to an Ethernet Node To connect the hub to a 10Base T Ethernet node follow these steps 1 Select an appropriate length of 10Base T UTP cable for the connection 2 Connect one end of the UTP cable to the MDI jack on the remote device e g a PC equipped with 10Base T Ethernet adapter 3 Connect the other end of the UTP cable to an available MDI X jack on the hub It is better to reserve jack 8 for a connection to another hub RJ 45 MDI X Jack UTP cable Maximum length 100 meters em C TP port RJ 45 MDI Jack Make sure that the connector on the cable is wired appropriately for the standard 10Base T node The straight through connection should be made from the n
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