Kingston Technology KNE12TX/RS manuale d’uso

K INGSTON T ECHNOLOGY F AST E THE R X S TACKABLE 8- PORT , 12-P ORT, & 24-P ORT 100B ASE -TX 19” R ACK -M OUNTABLE F AST E THERNET H UBS U SER’S G UIDE MODELS: KNE8TX/RS KNE12TX/RS KNE24TX/RS[...]

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KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company 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 New hope Fountain Valley, CA 92708 (714) 435-2600 Important Safety Instructions[...]

Kingston Technology Company KN E24TX/RS User’s Guide - Rev. A01 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 [...]

i KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company T ABLE O F C ONTENTS Introducti on ............................................................................ 2 Order Inform ation ..................................................... 2 Model Ty pes ............................................................. 3 Special F eatures[...]

ii Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 Power Sw itch .............................................. 9 AC Power C onnector .................................. 9 Fan Unit s ..................................................... 9 100FX Fiber Module (Optional)................... 9 Stacking Fast EtheRx Hubs .................[...]

2 Introduction Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 Intended Audience: This manual assumes that th e 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 Ethe rnet Hub. There are thr[...]

Introduction 3 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company 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) connector[...]

4 Introduction Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 Special Features • 100BASE-TX Class I or Class II com pliant 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[...]

Design Features 5 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company Design Features The Fast EtheRx 100BASE-TX hubs comp ly with the full set of repeater functions as defined by IEEE 802.3u, clau se 27. These functions include all Repeater Functions, Signal Regenerati on, Jabber Lockup Protection, Collision- Handling, Error-Handling,[...]

6 Hardware Installation Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 Automatic Partitioning / Reconnection If any of the ports on the Fast EtheRx H ub experience excessive num bers of consecutive collisions, duration collisions, or faulty conditions , that particular port can be partitioned. Once partitioned, the hub will conti[...]

Hardware Installation 7 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company UTP Port LEDs The UTP Port LEDs indicate Link, Activ ity, 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 connec tion between the network node and the hub. When dat[...]

8 Hardware Installation Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 Using a Straight-Through Cable Using a Crossover Cable Notes on MDI and MDI-X Ports MDI (Media Dependent Interface) is the standard that defines the mechanical and electrical configuration of a UT P port. For any two devices to communicate with each other on t[...]

Hardware Installation 9 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company Rear Panel 100-240VA C / 50-60Hz 2.0A Max PWR OUT IN Stackable Module 100FX Fiber Module 100-240VA C / 50-60Hz 2.0A Max PWR OUT IN Stackable Module 100FX Fiber Module 100-240VA C / 50-60Hz 2.0A Max PWR OUT IN Stackable Module 100FX Fiber Module 100BASE-FX Fiber[...]

10 Hardware Installation Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 • 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 h[...]

Hardware Installation 11 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company Installing the 100FX Module (Optional) Kingston offers two optional plug-in modules to support 100BASE-FX Fiber Optic cabling with either SC (Subscrib er Connector) or ST (Straight Tip) connector types. Model KNE100FX/RSC supports SC-type connectors. Model KNE[...]

12 Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 Appendices[...]

Appendix A Pin Assignments 13 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company Appendix A Pin Assignments UTP Port Pin Assignments The UTP ports use RJ-45 Unshielded Tw isted 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-thro[...]

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14 Appendix B Cabling Guidelines Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 Appendix B Cabling Guidelines Cable Type When connecting network cables, th e following table shows appropriate cabling guidelines for 100BASE-TX Fast Ethernet architecture. Ethernet Standard: 100BASE-TX Trunk and Patch Cable Type: 4-Pair 100 Ω UTP [...]

Appendix B Cabling Guidelines 15 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company Cable Wiring Standards There are two governmental agencies: the Electronic Industry Association (EIA) and the Telecommunications Industr y Association (TIA), which set the standard for all cable wiring requi rements for commercial buildings. With the a[...]

16 Appendix B Cabling Guidelines Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 UTP Cable Rating Codes UTP cables meet different UL-NEC requi rements based mostly on cable-jacket quality. Below is an explanation of the rating codes for each cable type. UL – The National Electrical Code (NEC ), published by the National Fire Pro[...]

Appendix B Cabling Guidelines 17 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company 4. NEAR - END CROSSTALK (NEXT) – In wires packed together within a cable, the signals generated at one end of the link can flush out the weaker signals coming back from the receiving end of the link.[...]

18 Appendix C Specifications Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 Appendix C Specifications Fast EtheRx Models: KNE8TX/RS, KNE12TX/RS Compliance: IEEE 802.3u 100BASE-TX St andard for 100Mb/s baseband networks Media Interface: KNE8TX/RS KNE12TX/RS 8 UTP ports for 100BASE-T X connections 12 UTP ports for 100BASE-T X conne[...]

Appendix C Specifications 19 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company 100FX Modules: with SC connect ors with ST connect ors Part Numbers: KNE100FX/RSC KNE100FX/RST Specifications Fast EtheRx Model: KNE24TX/RS Compliance: IEEE 802.3u 100BASE-TX St andard for 100Mb/s baseband networks Media Interface: 24 UTP ports for 100BASE[...]

20 Appendix C Specifications Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 100FX Modules: with SC connect ors with ST connect ors Part Numbers: KNE100FX/RSC KNE100FX/RST[...]

Appendix D Commonl y Asked Questions 21 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company Appendix D Commonly Asked Questions Class I vs. Class II 100BASE-TX Fast Ethernet Repeaters There are currently two classes of Fast Ethernet repeaters, defined as Clas s I and Class II . Class I : in a maximum length segment topology, only one C[...]

22 Appendix D Comm only Asked Questions Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 Category 5 Compliance v s. Category 5 Performance? Having CAT 5 components in your netw ork installation does not necessarily achieve full Category 5 performance. To achieve any category-rated performance, make sure all cabling com ponents are [...]

Appendix F Warranties and Notices 23 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company Appendix E Mounting Templates The Fast EtheRx hubs can be stationed on a flat surface using the four rubber feet provided, or mounted to a standa rd 19-inch rack by using the mounting brackets on each side of the unit. Rubber Feet for Desktops The [...]

24 Appendix F Warranties and Notices Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 Appendix F Product Warranties and Notices Limited Warranty Statement KINGSTON TECHNOLOGY COMPANY ("Kingston") warrants that this product is free from defects in m aterial and workm anship. Subject to the conditions and limitations set fo[...]

Appendix F Warranties and Notices 25 KNE24TX/RS User’s Guide - Rev. A01 Kingston Technology Company Warranty Claim Requirements To obtain warranty service, return the defec tive product, freight prepaid and insured, to your local authorized Kingston dealer or di stributor, or to the Kingston factory service center located at 17600 Newhope Street,[...]

26 Appendix F Warranties and Notices Kingston Technology Company KNE24T X/RS User’s Guide - Rev. A01 F.C.C. Certification This device has been tested and found to com p ly with limits for Class A digital device, pursuant to Part 15 of the FCC Rules. Oper ation is subject to the following conditions: (1) This device may not cause harmful interfere[...]