Allied Telesis CentreCOM AT-3004SL User Manual Download Page 1 | Manualshive

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Allied
Telesyn
International

CentreCOM



AT-3004SL
AT-3008SL
Multiport
Repeaters

User Manual

1
2
3
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Summary of Contents for CentreCOM AT-3004SL

Page 1: ...Allied Telesyn International CentreCOM AT 3004SL AT 3008SL Multiport Repeaters User Manual...

Page 2: ...ding but not limited to lost profits arising out of or related to this manual or the information contained herein even if Allied Telesyn International Corp has been advised of known or should have kno...

Page 3: ...8 Port with One AUI 1 Features 2 Chapter 2 Installation 3 Connections 3 Power 3 AUI Port 3 BNC Ports 4 Ventilation 4 Chapter 3 Operation 5 Status Indicators 5 Segmentation Partitioning 6 System Check...

Page 4: ...Table of Contents iv Appendix B Glossary 17 Appendix C CentreCOM AT 3004SL AT 3008SL Manual Feedback 25 Appendix D Technical Support Fax Order 27 Incident Summary 27...

Page 5: ...R cordage molded IEC 320 connector on one end and on the other end a plug approved by the country of end use MOUNTING INSTRUCTIONS These models are designed for operation in the HORIZONTAL position VE...

Page 6: ...ons bninger m ikke blokeres og skal have fri adgang til den omgivende luft i rummet for afk ling ADVARSEL UNDLAD at fjerne gummisoklerne fra apparatet med mindre der anvendes et Allied Telesis vertika...

Page 7: ...ATTENTION Ne pas bloquer les fentes d a ration ce qui emp cherait l air ambiant de circuler librement pour le refroidissement ATTENTION NE PAS ter les pattes d attache en caoutchouc du produit moins d...

Page 8: ...dotto concepito per una temperatura ambientale massima di 50 gradi centigradi TUTTI I PAESI installare il prodotto in conformit alle vigenti normative elettriche nazionali UTSTR LT ENERGI Dette kommer...

Page 9: ...om as normas federais e locais para instala es el tricas ENERGIA RADIADA Este producto comercial ha sido probado y cumple con las normas requeridas en los EE UU para un dispositivo de Clase A Este pro...

Page 10: ...TRUSTNING DENNA UTRUSTNING M STE VARA JORDAD N tkabeln m ste vara ansluten till ett ordentligt jordat uttag Ett felaktigt uttag kan g ra att n rliggande metalldelar uts tts f r h gsp nning Apparaten s...

Page 11: ...C interfaces respectively and a single IEEE 802 3 AUI which provides easy attachment to the media The CentreCOM Multiport Repeaters provide packet regeneration which results in a higher performance ne...

Page 12: ...LLISION ON LINE RECEIVE COLLISION ACTIVITY POWER 10 BASE2 PORTS 3004SL IEEE 802 3 10 BASE2 ETHERNET 4 PORT REPEATER CentreCOM 4 3 2 1 O F F O N TERMINATOR TERMINATOR TERMINATOR O F F O N O F F O N O F...

Page 13: ...are made at the back panel The AT 3004SL and AT 3008SL repeaters have a universal power supply that will accept either 110 or 220 VAC at 50 60 Hz AUI Port An AUI port is provided for connection to an...

Page 14: ...ach BNC port See Figure 5 If installing with BNC T connectors in the center of a segment then the ports internal termination must be disabled OFF The segments termination should then be placed at each...

Page 15: ...ckets from the other ports are available at the port Conversely if extinguished then no receive traffic is present Collision Indicates SQE or a Collision A flickering LED will indicate Collisions Occa...

Page 16: ...all remaining BNC ports could maintain their connectivity while being isolated from the backbone cable attached through the AUI port System Check To ensure proper operation 1 Set each port to Manual 2...

Page 17: ...unctional then try another port to determine if the port or cable segment is at fault If the SQE COL LED is constantly illuminated 1 Check for a missing open or shorted terminator Excessive flickering...

Page 18: ...TION M A N A U T O 2 SEGMENT PARTITION M A N A U T O 3 SEGMENT PARTITION M A N A U T O 4 SEGMENT PARTITION M A N A U T O AUI PORT ON LINE RECEIVE COLLISION ON LINE RECEIVE COLLISION ON LINE RECEIVE CO...

Page 19: ...T O 4 SEGMENT PARTITION M A N A U T O 5 SEGMENT PARTITION M A N A U T O 6 SEGMENT PARTITION M A N A U T O 7 SEGMENT PARTITION M A N A U T O 8 SEGMENT PARTITION M A N A U T O AUI PORT ON LINE RECEIVE C...

Page 20: ...d 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 voice...

Page 21: ...hub 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 9 above Cab...

Page 22: ...es the need for making or obtaining a crossover cable as shown in Figure 11 The interface type that IEEE specifies as standard for an Ethernet switch such as the AT 4016TR is MDI X The straight throug...

Page 23: ...ult in excessive common mode noise and an unacceptably high data error rate Model Connected to MDI MDI X AT 4016TR Hub X AT 4016TR RJ45 Transceiver X AT 4016TR NIC X 1 This table assumes a straight th...

Page 24: ...ght through cable the transmit pins 1 and 2 are paired as are the receive pins 3 and 6 In a crossover cable Figure 11 pins 1 and 2 TD and TD are paired as are pins 3 and 6 RD and RD When pins 1 and 2...

Page 25: ...ction This concentration of UTP ports is later broken out for connection to a punch down block inside a building s wiring closet 50 pin Telco connections provide a very clean uncluttered interface to...

Page 26: ...er to indicate that multiple stations are contending for access to the transmission medium COMPATIBILITY INTERFACE The MDI coaxial cable interface and the AUI branch cable interface the two points at...

Page 27: ...data rates In these circumstances it is recommended that the wiring is tested with a 10BASE T signal wire tester IMPEDANCE An electrical characteristic of a circuit dealing with the combination of th...

Page 28: ...es a convenient way for the installer or network manager to connect the hub 10BASE T ports into the desired building locations PHYSICAL MEDIUM ATTACHMENT PMA The portion of the MAU that contains the f...

Page 29: ...10BASE T standard for connecting UTP cabling They are 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 30: ...802 3 Quick Primer _______ Reading the LEDs ______ Cabling _______ Telnet Communication ______ Software Downloading _______ I found the following the most valuable ______________________________ ____...

Page 31: ..._________ ____________________________________ ____________________________________ Conditions List the steps that led up to the problem ___________________________ ___________________________________...

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