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KINGSTON TECHNOLOGY
FAST ETHERX STACKABLE
8-PORT, 12-PORT, & 24-PORT
100BASE-TX 19” RACK-MOUNTABLE
FAST ETHERNET HUBS
USER’S GUIDE
MODELS: KNE8TX/RS
KNE12TX/RS
KNE24TX/RS
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Kingston Technology’s Fast EtheRx Stackable 8-Port, 12-Port, and 24-Port 100BASE-TX 19” Rack-Mountable Fast Ethernet Hubs User’s Guide Part No. 4460051-001.A01 Kingston Technology Company 17600 Newhope Fountain Valley, CA 92708 (714) 435-2600 Important Safety Instructions KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company
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1. Read all these instructions. 2. Save these instructions for later use. 3. Follow all warnings and instructions marked on the product. 4. Do not use this product near water. 5. This product should be operated from the type of power source indicated on the marking label. If you are not sure of the type of power available, consult your dealer or local power company. 6. Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage p
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i TABLE OF CONTENTS Introduction............................................................................2 Order Information .....................................................2 Model Types .............................................................3 Special Features.......................................................4 Package Contents ....................................................4 Design Features ....................................................................5 Rep
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ii Power Switch .............................................. 9 AC Power Connector .................................. 9 Fan Units..................................................... 9 100FX Fiber Module (Optional)................... 9 Stacking Fast EtheRx Hubs...................... 10 Installing the 100FX Module (Optional) .... 11 Appendices ......................................................................... 12 Appendix A Pin Assignments.............................. 13 UTP
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2 Introduction Intended Audience: This manual assumes that the user has a general working knowledge of networking principles and its architecture. Congratulations on the purchase of your Kingston Fast EtheRx Stackable 100BASE-TX 19” Rack-Mountable Fast Ethernet Hub. There are three models available: KNE8TX/RS, KNE12TX/RS, and KNE24TX/RS, 8-Port, 12-Port, and 24-Port Fast Ethernet hubs, respectively. The Fast EtheRx models are 100BASE-TX Class and Class compliant repeaters which
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Introduction 3 The Fast EtheRx hubs support optional Fiber Optic plug-in modules which can be ordered for future upgrading by the following part numbers: Accessories Part No. Description KNE100FX/RSC Optional 100BASE-FX Fiber Optic Plug-In Module with SC (Subscriber Connect) connectors KNE100FX/RST Optional 100BASE-FX Fiber Optic Plug-In Module with ST (Straight Tip) connectors Model Types 100BaseTX Class Repeater Utilization % 1 12 25 50 100 1 2 3 4 5 6 7 8 x 8
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4 Introduction Special Features • 100BASE-TX Class or Class compliant repeater • Stack up to six Fast EtheRx hubs to create a single repeater unit • 8, 12, or 24 UTP ports for 100BASE-TX connection • 8, 12, or 24 Link, Activity, and Partition/Error Status LEDs for easy troubleshooting • Optional 100BASE-FX modules available (SC or ST connectors) • Utilization LEDs display network traffic in five LED percentage levels • Power LED and Collision LED for collision detection • Automa
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Design Features 5 Design Features The Fast EtheRx 100BASE-TX hubs comply with the full set of repeater functions as defined by IEEE 802.3u, clause 27. These functions include all Repeater Functions, Signal Regeneration, Jabber Lockup Protection, Collision- Handling, Error-Handling, and Auto Partitioning/Reconnection. These functions are usually transparent to all network activities and are summarized below. Repeater Functions If any single port senses the start of a valid packet on i
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6 Hardware Installation Automatic Partitioning / Reconnection If any of the ports on the Fast EtheRx Hub experience excessive numbers of consecutive collisions, duration collisions, or faulty conditions, that particular port can be partitioned. Once partitioned, the hub will continue to monitor that port. If the error conditions have been corrected or a good data packet is transmitted without incurring a collision, the hub will automatically reconnect that port to the network. Hardware
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Hardware Installation 7 UTP Port LEDs The UTP Port LEDs indicate Link, Activity, Error, and Partition status. If a good link is established on any given port, the green LED will be continuously lit, indicating a valid network connection between the network node and the hub. When data is received, the LED will flash green. If the port is partitioned or encounters an error, such as jabber, false carrier, misalignment, or invalid packet, the LED will flash amber. If an LED does not indicat
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8 Hardware Installation Use the MDI-X port Use the MDI port when connecting to when connecting to a network card or a hub or other MDI-X other MDI device. device. 8 8 8 8 Using a Straight-Through Cable Using a Crossover Cable Use the MDI-X port Use the MDI port when connecting to when connecting to a network card or a hub or other MDI-X other MDI device. device. 8 8 8 8 Notes on MDI and MDI-X Ports MDI (Media Dependent Interface) is the standard that defines the mechanical and electri
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Hardware Installation 9 Rear Panel OUT IN PWR 100FX Fiber Module Stackable Module 100-240VAC / 50-60Hz 2.0A Max OUT IN PWR 100FX Fiber Module Stackable Module 100-240VAC / 50-60Hz 2.0A Max OUT IN PWR 100FX Fiber Module Stackable Module 100-240VAC / 50-60Hz 2.0A Max 100BASE-FX Fiber Optic Stacking Ports AC Power Power Plug-in Module Dual Fan Units Connector Switch (optional) Fig. 2. Hub Rear Panels with Stacking Cables Power Switch The power switch toggles power on and off to the unit. The
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10 Hardware Installation • KNE100TX/RSC for SC connectors. Stacking Fast EtheRx Hubs The Fast EtheRx hubs use stacking ports located on the rear panel to stack up to six hubs in any combination of 8-Port, 12-Port, or 24-Port models. Follow the directions below to stack up to six hubs together: 1. Locate the 50-pin shielded stacking cable included with your package contents. 2. Plug one end of the cable into the port labeled, “Out” on the first hub. 3. Plug the other end of the cable
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Hardware Installation 11 Installing the 100FX Module (Optional) Kingston offers two optional plug-in modules to support 100BASE-FX Fiber Optic cabling with either SC (Subscriber Connector) or ST (Straight Tip) connector types. Model KNE100FX/RSC supports SC-type connectors. Model KNE100FX/RST supports ST-type connectors. To upgrade your Fast EtheRx Stackable Fast Ethernet hub with either of the 100BASE-FX plug-in modules, follow the directions below. The procedure requires a Philips
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12 Appendices Kingston Technology Company KNE24TX/RS User’s Guide - Rev. A01
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Appendix A Pin Assignments 13 Appendix A Pin Assignments UTP Port Pin Assignments The UTP ports use RJ-45 Unshielded Twisted Pair (UTP) cabling. Connector pin numbers and pin wiring assignments are listed below in Figure A-1. Twisted-Pair cables can be wired with either straight-through or crossover pin assignments. Both wiring schemes are mentioned in "Appendix B Cabling Guidelines" for reference in creating a twisted-pair cable.
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14 Appendix B Cabling Guidelines Appendix B Cabling Guidelines Cable Type When connecting network cables, the following table shows appropriate cabling guidelines for 100BASE-TX Fast Ethernet architecture. Ethernet Standard: 100BASE-TX Trunk and Patch Cable 4-Pair 100Ω UTP CAT 5 Type: (only 2 pairs used) Max. Cable Length: Hub to Workstation 100M (328ft) Hub to Hub 5M (16.4ft) Modular Plug: 8-Pin RJ-45 CAT 5 only Patch Panel: 8-Pin RJ-45 CAT 5 only Star Network Topo
