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Installation Guide

10BASE-T/100BASE-TX

8-Port Dual-Speed Hub

Model: KF-8D

DOC.980329-KF8D-K

P/N: 750-0109-001

Summary of Contents for KF-8D

Page 1: ...InstallationGuide 10BASE T 100BASE TX 8 Port Dual Speed Hub Model KF 8D DOC 980329 KF8D K P N 750 0109 001 ...

Page 2: ...se 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 revi sion 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 269838...

Page 3: ...8 Port Dual Speed Ethernet Fast Ethernet Hub Installation Guide DOC 980330 KF8D NK P N 750 0109 002 ...

Page 4: ...terface 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 WARNIN...

Page 5: ...allation Unpacking 4 Checking AC Power 4 Mounting the Hub 5 Chapter 3 Making Network Connections Network Connectors and Rear Switch 7 RJ 45 Connectors 8 UTP Cables 8 Connecting to Computers 9 Connecting to Network Switch Ports 9 Connecting to Hubs 10 Chapter 4 Interpreting LED Indicators LED Interpretations 10 ...

Page 6: ...ns and supports 10Mbps and 100Mbps con nectivity over UTP cabling in the same hub The hub provides 8 dual speed TP ports All of the TP ports support auto sensing function that allows the hub to detect the connection speed auto matically The hub also provides complete diagnostic LED indicators to indi cate the activity status of the hub and network ports The following figure illustrates the front a...

Page 7: ...hub provides one uplink jack that allows easy linking of two hubs via straight through UTP cable The TP ports are implemented with auto partition and reconnecting function to protect the network from failure caused by consecutive collisions from a specific port The jabber function is implemented to prevent reception of illegally long packet which would degrade network perfor mance Compact design s...

Page 8: ...k 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 segm...

Page 9: ...kit Checking AC Power 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 volt age in your area The specifications of the AC power adapter are AC input power AC power voltage of your area DC output power 12 VDC 1000mA min DC plug type 4 ...

Page 10: ...dure describes how to mount the hub onto a wallboard or wood a stud heavy wooden paneling etc using the wall mount kit supplied in the hub package 1 Using the slot bracket and two washer head screws in the wall mount kit screw the slot bracket onto the bottom of the hub in any one of the four directions 2 Using the mount bracket and two pan head self tapping screws in the kit Screw the mount brack...

Page 11: ...3 Place the hub against the wall so that the mount bracket fits into the slot bracket on the back of the hub 4 Slide the hub down until it hangs on the mount bracket 6 ...

Page 12: ... mode for the hub Three selections are available as follows AUTO mode Set all TP ports to be auto sensing ports 100M mode Set all TP ports to be 100BASE TX ports 10M mode Set all TP ports to be 10BASE T ports For AUTO mode each TP port can support either the Ethernet 10Mbps connection or a Fast Ethernet 100Mbps connection with auto sensing the connection speed For 100M mode the TP port supports co...

Page 13: ... 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 a 10BASE T Ethernet device a 2 pair Category 3 4 or 5 UTP cable can be used For connecting to a 100BASE TX Fast Ethernet device only 2 pair Category 5 UTP ...

Page 14: ...eters The link from the hub to a 10 100 NWay adapter card is established as a 100M connection Connecting to Network Switch Ports 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 fol lowing table lists the cable and the cable length allowed for the connections to differen...

Page 15: ...hubconnectionare Hub Port connected Cable used Distance 10BASE T hub port Cat 3 4 5 100 meters 100BASE TX hub port Cat 5 5 meters Auto sensing hub port Cat 5 5 meters Connecting to 10M Ethernet Hubs KF 8D can support up to eight 10M Ethernet hub connections The Ethernet connection rules should be followed as follows 1 Between any two end nodes in a collision domain there may be up to five cable se...

Page 16: ... one connection to another 100BASE TX Class II hub The connection rules are 1 The other hub which is connected to KF 8D must comply with IEEE 802 3u Class II repeater specifications 2 No more than two hubs can be cascaded in the network The following figure illustrates the maximum Fast Ethernet network expansion using two KF 8D hubs 11 ...

Page 17: ...ates the collision detected by the hub The LED is normally off and it blinks when there are collisions on 10M shared segment or 100M shared segment Link Rx 1 8 LED indicates the link status and receiving activities of port 1 8 State Indication Interpretation On Normal Good link and no incoming packets Green color 100M link orange color 10M link Blink Normal There are receiving activities on the po...

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