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Index

Numerics

10BASE5 (thick)

AUI drop cables

10BASE-T

MDI/MDI-X switch

UTP hub-to-MAU wiring

UTP MAU-to-MAU, hub-to-hub wiring

Activity LED

adapters

AT-ADAPT-2

harmonica

Telco 50-pin/RJ45

applying power

AT-3012TR front panel

AT-3016TR front panel

AT-3024TR front panel

Attachment Unit Interface

1, 6

Attachment Unit Interface (AUI)

AUI

AUI drop specification

AUI port

auto partitioning

baseband coaxial system

bit rate

bit time

BNC Network Port

BNC Termination Switch

bussing configuration

cable types

cabling

10BASE2

27, 29, 30

10BASE2 (thin)

10BASE5

27, 29

10BASE5 (thick)

10BASE-FL

10BASE-T

7, 23, 24, 29, 30

cross-over

25, 26, 30

crossover

FOIRL

impedance

carrier sense multiple access with collision de-

tect (CSMA/CD)

cascade configuration

cascaded repeaters

coax segment

coaxial cable

coaxial cable segment

Collision LED

6, 17

compatibility interface

compliance

IEEE

IEEE 802.3

23, 29, 30

Concepts

configuration

standalone

configurations

connectors

50-pin Telco

29, 31

bayonet nut couple connector

Содержание AT-3012TR

Страница 1: ...Allied Telesyn CentreCOM AT 3012TR AT 3016TR AT 3024TR Multiport Repeaters Installation Manual...

Страница 2: ...The information provided herein is subject to change without notice In no event shall Allied Telesyn be liable for any incidental special indirect or consequential damages whatsoever including but no...

Страница 3: ...T BE EARTHED Power plug must be connected to a properly wired earth ground socket outlet An improperly wired socket outlet could place hazardous voltages on accessible metal parts ELECTRICAL CORD NOTI...

Страница 4: ...tor med indst bt HAR ledning i den ene ende og et stik i den anden ende godkendt der er af myndighederne i brugerlandet INSTRUKTIONER FOR OPSTILLING ADVARSEL Disse modeller er konstrueret til at betje...

Страница 5: ...NSION AUTOMATIQUE Ce produit peut s ajuster automatiquement sur n importe quelle tension comprise dans la plage indiqu e sur le label ELECTRICITE EQUIPEMENT DE CLASSE 1 CET APPAREIL DOIT ETRE MIS A LA...

Страница 6: ...ITIVO staccare il cavo di alimentazione INSTALLAZIONE ELETTRICIT REGOLAZIONE AUTOMATICA DELLA TENSIONE Questo prodotto regoler automaticamente la tensione ad un valore compreso nella gamma indicata su...

Страница 7: ...er aberto por um t cnico qualificado e treinado Para evitar a possibilidade de CHOQUE EL TRICO desconecte o aparelho da fonte de energia el trica antes de conectar e desconectar os cabos da LAN PERIGO...

Страница 8: ...operaci n Este producto est dise ado para una temperatura ambiental m xima de 40 grados C Para todos los pa ses Monte el producto de acuerdo con los C digos El ctricos locales y nacionales ENERGIUTST...

Страница 9: ...allation Checklist 3 Setup 3 Testing 4 Chapter 2 Installation 5 Site Requirements 5 Ventilation 5 Power 5 Port Configurations 5 Station Ports 5 AUI Network Port 6 BNC Network Port 6 LED Indicators 6 H...

Страница 10: ...dicators 15 Chapter 6 Troubleshooting 17 10BASE T Cabling 17 Collision LED 17 Chapter 7 Configurations 19 Backbone Connection 19 Cascade 19 BNC Bus 21 Appendix A Data Cabling Techniques 23 10BASE T 23...

Страница 11: ...xi Appendix D CentreCOM AT 30xxTR Manual Feedback 37 Index 41...

Страница 12: ...he appropriate transceiver The AT 30xxTR Multiport Repeaters utilize the latest technologies including a custom Application Specific Integrated Circuit ASIC and Surface Mount Technology SMT which prov...

Страница 13: ...single network by the extended use of fan outs see Chapter 7 for configuration diagrams Figure 1 2 and 3 show the front panel layouts for the three AT 30xxTR models Figure 1 AT 3012TR Front Panel 1 2...

Страница 14: ...les cascading of hubs without a special crossover cable Standalone or rack mountable One year warranty Quick Installation Checklist Setup If you are experienced with AT 30xxTR multiport 10BASE T repea...

Страница 15: ...to each of the other 10BASE T ports and check the LEDs The other method uses existing network devices 1 Establish a network connection from Port 1 to a network device such as a server and from Port 2...

Страница 16: ...absolutely sure that the voltage and frequency applied are of the correct values for your AT 30xxTR The AT 30xxTR is equipped with an universal power supply that will accept either 100 120 or 200 240...

Страница 17: ...l and is transmitting packets Collision yellow The bottom LED will flicker to indicate collision Occasional collisions are normal in Ethernet networks Excessive collisions is an indication of possible...

Страница 18: ...this switch to enable or disable internal termination at this end of the 10BASE2 segment Use the OFF position to disable termination if you are installing a link segment with a BNC T connector on thi...

Страница 19: ...se Port 1 to connect two hubs you must set the switch on one and only one of the hubs to the MDI position By using the MDI MDI X switch you can connect two hubs via standard straight through cable The...

Страница 20: ...ables can be up to 100 meters 328 ft in length The cable should be 22 to 26 AWG UTP wire with 100 impedance The AT 30xxTR repeater uses RJ45 modular connectors for its 10BASE T connections System Chec...

Страница 21: ...OFF ON PORT OK RECEIVING PORT OK RECEIVING PORT OK RECEIVING POWER 10BASE T NETWORK PORTS 10BASE T PORT ACTIVITY STATUS AUI BNC 1 2 3 6 1 2 3 6 1 2 3 6 1 2 3 6 MDI MDI X IEEE 802 3 ETHERNET 10BASE T...

Страница 22: ...12TR Connectivity 12 PORT OK This LED indicates that a valid link has been established and the port is not partitioned RECEIVING This LED flashes when incoming packets are present on the respective se...

Страница 23: ...MINATOR OFF ON PORT OK RECEIVING PORT OK RECEIVING PORT OK RECEIVING POWER 10BASE T NETWORK PORTS STATUS AUI BNC IEEE 802 3 ETHERNET 10BASE T MULTIPORT REPEATER 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...

Страница 24: ...16TR Connectivity 14 PORT OK This LED indicates that a valid link has been established and the port is not partitioned RECEIVING This LED flashes when incoming packets are present on the respective se...

Страница 25: ...at the upper LED in each pair indicates PORT OK and the lower LED indicates RECEIVING The lower part of the display shows the actual LEDs which are arranged in two tiers with the odd numbered ports on...

Страница 26: ...K RECEIVING PORT OK RECEIVING POWER 10BASE T NETWORK PORTS IEEE 802 3 ETHERNET 10BASE T MULTIPORT REPEATER 1 3 5 7 9 11 13 15 17 19 21 23 2 4 6 8 10 12 14 16 18 20 22 24 1 2 3 6 1 2 3 6 1 2 3 6 1 2 3...

Страница 27: ...me Use only UTP cable Level 3 or above designed for use in 10BASE T applications 10BASE T wiring lengths should not exceed 100 meters 328 ft The wiring should be routed away from devices known to emit...

Страница 28: ...peater rule as shown in Figure 15 Figure 14 Typical Hub Configuration Ethernet Transceiver Coaxial Ethernet 10BASE5 AUI Cable 100 Meters UTP Cable wired Pin to Pin 10BASE T Transceiver Workstations DT...

Страница 29: ...9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 TERMINATOR OFF ON PORT OK RECEIVING PORT OK RECEIVING PORT OK RECEIVING POWER 10BASE T NETWORK PORTS 10BASE T PORT ACTIVITY STATUS AUI BNC 1 2 3 6 1 2 3 6 1 2 3 6...

Страница 30: ...ULTIPORT REPEATER 1 2 3 4 5 6 7 8 9 10 11 12 X X X X X X X X X X X ACTIVITY COLLISION POWER 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 TERMINATOR OFF ON PORT OK RECEIVING PORT OK RECEIVING...

Страница 31: ...peed data transmission characteristics are radically different The identification problem is exaggerated by the fact that some suppliers have sold purportedly data quality cables manufactured with voi...

Страница 32: ...and a Media Access Unit MAU or NIC the cable is wired straight through That is an RJ45 receptacle at the hub would wire pin to pin to the RJ45 receptacle at the MAU as shown in Figure 18 on the previ...

Страница 33: ...ition This eliminates the need for making or obtaining a crossover cable as shown in Figure 20 The interface type that IEEE specifies as standard for a repeater such as the AT 30xxTR is MDI X The stra...

Страница 34: ...ult in excessive common mode noise and an unacceptably high data error rate Model Connected to MDI MDI X AT 30xxTR Hub X AT 30xxTR RJ45 Transceiver X AT 30xxTR NIC X 1 This table assumes a straight th...

Страница 35: ...nly one point on the cable AUI Drop Cables AUI or Drop cables can be no longer than 50 meters 164 ft each Attachments may be made only to the cable ends at the 15 pin D shell connector AUI cables may...

Страница 36: ...TELCO RJ21 This connector is very common in 10BASE T wiring As opposed to the RJ45 connector the 50 pin Telco connector concentrates up to 12 UTP connections onto one connection This concentration of...

Страница 37: ...e physical medium COMPATIBILITY INTERFACE The MDI coaxial cable interface and the AUI branch cable interface the two points at which hardware compatibility is defined to allow connection of independen...

Страница 38: ...P cables for 10BASE T hub to MAU or NIC cards are wired straight through An RJ45 receptacle at the hub would wire pin to pin to the RJ45 receptacle at the MAU IMPEDANCE An electrical characteristic of...

Страница 39: ...DEPENDENT INTERFACE MDI The mechanical and electrical interface between a hub and a transceiver MAU MDI X is another version of the interface that enables hubs to connect using different pin outs ther...

Страница 40: ...s a 10BASE T standard for connecting UTP cabling It is inexpensive and easy to install onto UTP cable SIGNAL QUALITY ERROR SQE Also referred to as Collision or Collision Presence This occurs when two...

Страница 41: ...s of communication with large multi user computers TELCO CONNECTOR A 50 pin receptacle that plugs into the front of the hub enabling cables from external devices to connect to the hub THICK ETHERNET S...

Страница 42: ...______________ ____________________________________ Conditions List the steps that led up to the problem ___________________________ ____________________________________ ______________________________...

Страница 43: ...ons ______ Data Cabling Techniques _______ Reading the LEDs ______ I found the following the most valuable ______________________________ ______________________________________________________________...

Страница 44: ...ake City UT Tel 801 350 9130 Fax 801 350 9051 Vienna VA Tel 703 506 0196 Fax 703 506 1986 Chicago IL Tel 708 406 8431 Fax 708 406 8462 Austin TX Tel 512 502 3087 Fax 512 794 9326 Dallas TX Tel 214 446...

Страница 45: ...Port 6 BNC Termination Switch 7 bussing configuration 21 C cable types 9 cabling 10BASE2 27 29 30 10BASE2 thin 27 10BASE5 27 29 10BASE5 thick 27 10BASE FL 29 10BASE T 7 23 24 29 30 cross over 25 26 3...

Страница 46: ...ber lock up 31 jabber lock up protection 2 jam 31 jitter 31 L LAN 30 link integrity 1 link segment 31 M managed module 32 management agent 32 33 management agent 32 MAU 25 27 32 MAU transceiver 32 MDI...

Страница 47: ...through cable 8 system check 9 T TCP IP protocols 34 Telco connector 34 Termination Switch 7 testing 4 transceiver 1 4 9 U unmanaged module 34 Unshieled Twisted Pair UTP 34 UTP 29 UTP cable 17 V vent...

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