background image

Allied
Telesyn

CentreCOM

AT-3012TR
AT-3016TR
AT-3024TR

Multiport 
Repeaters

Installation 
Manual

Summary of Contents for AT-3012TR

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Reviews: