KTI Networks KF-16M User's Manual
Contents
1. e A T l ODAO O Ken Figure 2 7 A Hub Stack Containing one KF 16MS NOTE TO KEEP THE STACK FUNCTION WORKING THE POWER OF ALL HUBS IN A STACK MUST BE ON DURING OPERA TION 3 Making Network Connections 3 1 Dual speed Twisted pair Ports Port 1 Port 15 MDI X jacks 1X to 15X Port 16 MDI X jack 16X Port 16 MDI I jack 161 Figure 3 1 16 Dual speed TP Ports The hub provides 16 dual speed TP ports Each can support one con nection to either a 1OBASE T Ethernet device or a 1OOBASE TX Fast Ethernet device using 2 pair UTP cable RJ 45 Connectors Each of Port 1 to Port 15 provides one RJ 45 connector which are implemented as MDI X jack An MDI X jack is designed with internal crossover function The function allows a connection to a computer us ing straight through UTP cable The Port 16 provides one MDI X RJ 45 connector and one MDI I RJ 45 connector Only one connector can be used at the same time The pin definitions for MDI X jack and MDI I jack are as follows PIN MDI X Jack MDI I Jack 1 Rx TX 2 Rx Tx 3 TX RX 6 Tx Rx 4 5 7 8 NC NC UTP Cables For connecting to an 1 OBASE T Ethernet device a 2 pair Category 3 4 or 5 UTP cable can be used For connecting to a LOOBASE TX Fast Ethernet device only 2 pair Category 5 UTP cable can be used Connected Device UTP Cable Used 10BASE T devices Category2. 3 4o0r5 100BASE TX devices Category 5 only With different wiring two types of the UTP cables are defined as fol lows pe plug 2 pair straight through UTP sag plug 2 2 3 3 6 E RJ 45 plug RJ 45 plug i 2 pair crossover UTP 2 2 3 3 6 6 Figure 3 2 Straight through UTP and Crossover UTP Connecting to a Computer The RJ 45 connectors labeled 1X to 16X can be used for connecting to the network adapter installed in a computer The network adapter can be a LOBASE T adapter a 1OOBASE TX adapter or a dual speed NWay adapter The following figure illustrates the cables used for connecting to different network adapters Category 3 4 or 5 i Straightthrough UTP cable m e anEanNe 100 meters max Category 5 S Straight through UTP cable mi e 100 meters max Category 5 Straight through UTP cable my MALATA 100 meters max Figure 3 3 Connecting to Computers Connecting to 10BASE T Hubs The hub can support more than one connection to the 10BASE T hub Make sure the MDI X to MDI I connection rule is followed when con necting to a 10BASE T hub using a straight through UTP cable The following figure shows an example for the connections MDI jack MDI X jack 10Base T Hub Straight through UTP w cable 100 meters max 10Base T Hub Figure 3 4 Connecting to 10BASE T Hubs 1
3. Both support 1OMbps and 100Mbps connectivity over UTP cabling in the same hub All of the TP ports support auto sensing func tion that allows the hub to detect the connection speed automatically This features can protect your existing Ethernet investment without any rewiring and also provides a migration path for upgrading from 10Mbps to 100Mbps Through the built in 10M to 100M switch KF 16MS can bridge the Ethernet network and Fast Ethernet network together Both hubs also feature cascade connectors two for KF 16M one for KF 16MS on the rear for cascading one hub to another in a hub stack Up to four hubs can be cascaded in one stack A hub stack can be treated as a single hub which gives a total of 64 dual speed TP ports with only one hop count 1 1 Features The hub provides the following features e Complies with IEEE 802 3 and IEEE 802 3u standard for Class II Fast Ethernet repeater e Provides 16 fixed dual speed TP ports Each port can support either the Ethernet 1OMbps connection or a Fast Ethernet 100Mbps connection with auto sensing the connection speed e The hub provides one uplink jack that allows easy linking of two hubs via straight through UTP cable e The TP ports are implemented with auto partition and reconnect ing function to protect the network from failure caused by con secutive collisions from a specific port e The jabber function is implemented to prevent reception of illegally long packet which would deg
4. Immunity Standard Part 1 Domestic Commercial and Light Industry EN 60555 2 Disturbances in supply systems caused by household appliances and similar electrical equipment Part 2 Harmonics 1 1 1 2 1 3 2 2 1 2 2 2 3 2 4 3 3 1 3 2 4 4 1 4 2 Table of Contents TNGHOOUCHON sisssssissiszoiscssitioivessrinssearisoioissini dotes Feature Sar a EE E E A AO EA AN 2 Dual speed Hub Technology Specifications rees ER A EEA EENE EA EREA E AATE En 5 Installing the Dual speed Hub csccscccssscssssssesecssssseeses Packing Tist orae ae EEE cite ene se anaes 6 Mounting the Hub 6 Front Panel and Rear Panel 8 Cascading Multiple Hubs ccceceseseesseecseeseeseeeeseeseeeeeeseeeceecaeeaeeeseeaeeaeeeeaees 10 Making Network Connections cccsscscscsscsssescecssescsseserres 12 Dual speed Twisted pair Ports cccecssseseeseeceseesceecseeseeeeecaeeaeeeeseeseeeceeaeeneeees 12 Hub Stack Conte ct ont sre secseacdedcaseavecs csectonesvoucescanvsveapcncderstgvasveccsseuevarcacesanened 16 LED Indicators s isscecsesccistaceseccctoscosctasesessusesssavsensecescsevsecedsosese AT EED Panel nnrir EE E R AO Interpretation 1 1 1 2 1 3 2 1 2 2 2 3 2 4 2 5 2 6 2 7 3 1 3 2 3 3 3 4 3 5 3 6 3 14 4 1 Figures Dual speed Ethernet Fast Ethernet Hub Unit Dual speed Hub Design Dual speed Hub with Built in 10 100 Switch zi Desktop Mounting Seios Aaa oe A
5. more than one hub as a hub stack The connectors are labeled IN and OUT respectively for KF 16M KF 16MS provides IN cascade connector only AC Power Socket This socket is used for plugging an AC power cord AC Power Switch This switch is used for turning the AC power to the hub unit on or off 2 4 Cascading Multiple Hubs More than one hub can be cascaded together to be a hub stack using the cascade cable supplied with the hub Two cascade connectors are lo cated on the rear of the hub and labeled IN and OUT respectively for KF 16M For KF 16MS only IN cascade connector is provided Before cascading hubs make sure the power to the hubs is turned off Connect one end of the cascade cable to the IN connector of the first hub and connect the other end to the OUT connector of the second hub as shown in the following figure Figure 2 5 Cascading Two Hubs When cascading more than two hubs follow the IN to OUTdaisy chain rule as above to cascade all hubs sequentially Up to four hubs can be cascaded in a stack g R n tG n e JCD po Figure 2 6 Cascading Four Hubs in One Stack Only one KF 16MS is needed in one stack if a bridge is required to connect the 10M network and the 100M network in a hub stack gt ep J g j QD lt gt
6. n AEO ENEE Eaa aii Install Rack Mount Brackets oo cece cesses ceeesescseeeceescseeesseseseessesseessesaseneegs Install the Hub into a 19 inch Rack oo ccc esses es eseceeeeseeeceesesseesseseeeeesees Components on the Front and Rear Panel 0 ccccsceseseeseeeeseeseeeeseeseeeeteeseeeeeeaee Cascading Two Hubs cesses Cascading Four Hubs in One Stack A Hub Stack Containing one KF 16MS Dujalspeed TP Ports nrerin ereitera oette a tE TARNE EAEE EEEE EEE 12 Straight through UTP and Crossover UTP u ccsssssseesseseeseeeceeceeeeeteeeeseeeeneeee 13 Connecting to COMputers ooro sie odres ira oiae nE OEE ES 14 Connecting to 10BASE T Hubs 000 cee eceeesseseeceeecseeseeeeeeseeecaeeseeeeeecseeseeeeneeaees 14 Connecting to a LOOBASE TX Class II Hub Connecting Two Hub Stacks Connecting Two Hub Stacks LED Tdi Caton senses ss 2es desect tE AE OEE A NEEE AA AE OO AAE NEETER 17 1 Introduction This guide covers the product information and installation information for two dual speed Fast Ethernet hubs One is KF 16M which provides 16 dual speed twisted pair TP ports The other is KF 16MS which provides 16 dual speed TP ports and one internal 1OM to 100M switch for bridging the 1OMbps network and 100M network in the hub KF 16M Figure 1 1 Dual Speed Ethernet Fast Ethernet Hub Units Both hubs comply with IEEE 802 3 and IEEE 802 3u repeater specifi cations
7. 4 Connecting to a 1OOBASE TX Hub Since the KF 16M and KF 16MS hubs are designed to comply with TIEFE 802 3u Class II repeater specifications each hub can support one connection to another 1OOBASE TX Class II hub only It is recommended to preserve Port 16 as a uplink port for connecting to another hub or a hub stack via a UTP cable The maximum distance is 5 meters apart 100BASE TX Class II Hub Be COCR Cece Cert Category 5 UTP cable 5 meters max Sa Co oro Feet EO eee Jack 161 MDI I Jack 16X Dw uplink port Category 5 straight through UTP cable 5 meters max Note only one Class II hub connection is allowed per hub Figure 3 5 Connecting to a 100BASE TX Class II Hub Connecting to a Switch The hub can support connections to Ethernet switches or Fast Ethernet switches Make sure the MDI X to MDI I connection rule is followed when using straight through UTP cable The following table lists the cable and the cable length allowed for the connections to different switch devices Switch Connected UTP cable used Maximum length 10BASE T switch port Category 3 4or5 100 meters 100BASE TX switch port Category 5 100 meters NWay switch port Category 5 100 meters 3 2 Hub Stack Connection A hub stack composed of multiple hubs up to four cascaded together as the instruction in section 2 4 can be treated as a single dual speed hub which provid
8. Installation Guide 16 port Dual speed Ethernet Fast Ethernet Hub KF 16M KF 16MS BSE S P N 750 0105 001 NETWORKS DOC 980301 KF16M 16MS K 6 1998 KTI Networks Inc All rights reserved No part of this docu mentation 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 Networks 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 WWW _http www ktinet com International Fax 886 2 26983873 BBS 886 2 26983913 E mail kti ktinet com tw WWW _http www ktinet com 16 port Dual speed Ethernet Fast Ethernet Hub Installation Guide DOC 980302 KF16M 16MS NK P N 750 0105 002 The information contained in this document is subject to change without prior notice Copyright KTI All Rights Reserved TRADEMARKS Ethernet is a registered trademark of Xerox Corp 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
9. The internal design of a dual speed hub KF 16M is illustrated as follows shared 10M segment 10M NIC ER shared 100M segment 100M NIC Dual speed hub 10100m Led autosensing NIC S 10M device hub switch 100M device hub switch Back plane cascade J connectors stack to another hub 10 100M autosensing device hub switch Figure 1 2 Dual speed Hub Design KF 16MS is equipped with an internal 10M to 100M switch function to bridge the traffics between 10Mbps segment and 100Mbps segment as follows m shared 10M segment 10M NIC S shared 100M segment 100M NIC a 10700m E autosensing NIC S Dual 4 10M device hub switch Fob 10 100M autosensin device hub switch Back plane cascade connector stack to another hub 10 100M switch Figure 1 3 Dual speed Hub with Built in 10 100 Switch The 10M to 100M switch can perform packet forwarding from one seg ment to another at wire speed It also performs the address filtering that only forwards those packets which need to cross 10M and 100M seg ments 1 3 Specifications Standard Network ports Port connectors Cascade connectors LED indicators Environment Dimension Power TEEE 802 3 TEEE 802 3u Class II Repeater 16 dual speed TP ports with auto sensing function 16 MDI X RJ 45
10. es up to 64 dual speed ports If interconnection of the 10M network and the 100M network is re quired one and only one KF 16MS is needed to be installed in a hub stack to bridge the intertraffic between the 10M network and the 100M network A hub stack still complies with IEEE 802 3u Class II specifications Only one connection to another Class II hub via UTP cable is allowed for a hub stack The following figure illustrates the maximum network span containing two hub stacks 205 meters maximum UTP distamce ________ 100 meters maximum 5 meters maximum 100 meters maximum C TRES eee CEEA TOMER CEED cere Figure 3 6 Connecting Two Hub Stacks Two hub stacks are interconnected using a UTP cable between two hub ports Each hub stack is composed of four hubs Two end stations are located 205 meters apart from each other 4 LED Indicators 4 1 LED Panel The hub provides comprehensive LED indicators for diagnosing and monitoring the operation of the unit as illustrated below MN 234567 89 10 11121314 1516 Power OOO OOOO O00 00000000 OLink 100m Oo0o00000000000000 0 OPanrtition 19010 0000000000000000 Link 10M Collision Figure 4 1 LED Indicators 4 2 Interpretation Power LED indicates the status of the power supplied to the hub Activity 10 there are activities occurred on the shared 10M segment Blink There are activities on the seg
11. harmful interference when the equipment is operated in a commercial environment This equip ment generates uses and can radiate radio frequency energy and if not installed and used in accor dance with the instruction manual may cause harmful interference in which case the user will be re quired 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 users 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 fol lowing technical standard EN 55022 Limits and Methods of Measurement of Radio Interference Characteristics 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 inter ference 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 equipment meets or exceeds the following technical standards EN 55022 Limits and Methods of Measurement of Radio Interference characteristics of Information Technology Equipment EN 50082 1 Generic
12. ment Off No activity occurs on the segment Activity 100 there are activities occurred on the shared 100M segment Blink There are activities on the segment Off No activity occurs on the segment Collision 10 there are collisions occurred on the shared 10M segment Blink There are collisions on the segment Off No collision occurs on the segment 17 Collision 100 there are collisions occurred on the shared 10M segment Blink There are collisions on the segment Off No collision occurs on the segment 10M Link The port has a good link to a 10M Ethernet device On Good link to a 10M Ethernet device Off No active link to a 10M Ethernet device 100M Link The port has a good link to a 100M Fast Ethernet device On Good link to a 100M Fast Ethernet device Off No active link to a 100M Fast Ethernet device Partition The port is in partitioned state On Port is in partitioned state Off Port is not partitioned 18
13. owing figure 00000000000 000000000000 LITEIILI CLIT o E O o e o O O te O o ie ie Figure 2 3 Install the Hub into a 19 inch Rack 2 3 Front Panel and Rear Panel Dual speed parts 1 16 Diagnostic LED indicators 10BASE THOOBASE TX DUAL SPEED HUB xon a oa omo oa oa a a a e we EESEL xoa xoa o Poner OOOO 20000 OtinisiooM 06 OOO OOO Parton L200 O00000 uano talina Cascade connectors AC power socket AC power switch Diagnostic LED indicators Dual speed ports 1 16 10BASE THOOBASE TX DUAL SPEED HUB z 3x oa omoa oa a a a s aK WM 2sa5 sresonesuss Power 090 0G0000000000000 Dimmnoan 000000000000000 ODD Parton oO POOOOOHO0000000 barom Cascade connector AC power socket AC power switch KF 16MS Figure 2 4 Components on the Front and Rear Panel 1X 16X RJ 45 Connectors MDI X jacks for Port 1 Port 16 respectively 16I RJ 45 Connector MDI I jack for Port 16 Diagnostic LED indicators The indicators provide the operating status of the hub and the network ports The status includes power activity status for 10M segment activity status for 100M segment collision status for 10M segment collision status for 100M segment 10M link status per port 100M link status per port partition status per port Cascade Connectors The connectors are used for cascading
14. rade network performance e The internal 10M to 100M switch in KF 16MS provides address learning filtering and packet forwarding functions to bridge the traffic between the Ethernet segment and the Fast Ethernet segment Only one KF 16MS is needed in a hub stack e Each hub provides daisy chain connection for cascading up to 4 hubs per stack with total of 64 TP ports A hub stack may be composed of four KF 16M units or three KF 16M with one KF 16MS unit e Two hub stacks can be connected through a UTP cable as an expansion up to 126 ports is needed e The hub provides comprehensive LED indicators to indicate the hub status and port status e Desktop and 19 inch rack mountable 2 1 2 Dual speed Hub Technology Dual speed hub is designed to support connections with different speeds in the same hub It makes a network planning simpler especially when an environment is containing 10Mbps Ethernet and 100Mbps Fast Eth ernet technologies It also allows a smooth migration from an Ethernet network to a Fast Ethernet network A dual speed hub is actually equipped with one 10Mbps repeater and one 100Mbps repeater in one hub unit Each repeater serves one shared network segment The repeater receives transmissions from any of its ports and retransmits them to all its other ports The TP port of the hub can auto sense the speed 10M or 100M of its connection and switch to either 10Mbps shared segment or 100Mbps shared segment automati cally
15. shielded jacks 1 MDI I RJ 45 shielded jack 2 DB25 connectors KF 16M 1 DB25 connector KF 16MS Power 10M Link status per port 100M Link status per port Partition status per port 10M activity 10M collision 100M activity 100M collision Temperature 5 C to 40 C Relative humidity 15 to 95 non condensing 440mm x 150mm x 44 4mm 17 3 x 5 9 x 1 75 inch Internal universal power supply 100 240 VAC 50 60Hz 35W 2 Installing the Dual speed Hub The hub is designed to operate in workgroup environments without a complicated configuration procedure It also features an auto select 100 240V 50 60Hz power supply unit which works in most countries around the world Before connecting the supplied power cord into the hub check to see that the cord voltage and current rating conform to the standards of the country of operation 2 1 Packing List The hub has the following components shipped with it e One hub unit e One AC power cord e One cascade cable e 19 inch rack mount kit e Installation guide 2 2 Mounting the Hub Desktop Mounting The hub can be placed on a desktop as a stand alone unit Allow enough ventilation space between the hub and the objects around it Figure 2 1 Desktop Mounting Rack Mounting For mounting the hub into a 19 inch rack a pair of mounting brackets is included in the pack Figure 2 2 Install Rack Mount Brackets Install the hub into a 19 inch rack as illustrated in the foll
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