Allied-telesis AT-MR815T Manual de usuario

CentreCOM AT-MR415TAT-MR815T Multiport 10Base-T Micro Repeaters Installation Guide PN 613-10685-00 Rev A ®

Table of Contentsx Chapter 3Troubleshooting ... 19Performing

1 Overview Welcome to Allied Telesyn International!Allied Telesyn’s AT-MR415T/AT-MR815T Micro Repeaters represent a compact, inexpensive solution f

Product Description2 Package Contents The parts included with this product are listed below. Please check the equipment you received to make sure you

AT-MR415T and AT-MR815T Installation Guide3 Jabber Lock-up Protection Jabber lock-up protects the repeater from being overrun with data packets. It d

Product Description4 ❑ ACTIVITY lamp (green)— This LED is lighted when packets are being sent or received through the repeater. ❑ COLLISION lamp (amb

AT-MR415T and AT-MR815T Installation Guide5 ❑ MDI MDI-X Toggle Switch— This switch allows you to set the cascade port (the port directly to the right

Product Description6In other words, the LED is lighted anytime a valid communications link has been established for the corresponding port. If the LED

AT-MR415T and AT-MR815T Installation Guide7❑ MDI MDI-X Toggle Switch— This switch allows you to set the cascade port (the port directly to the right o

9Site RequirementsVentilationAT-MR415T/AT-MR815T Micro Repeaters have openings on both sides for ventilation. Although these Micro Repeaters do not re

Copyright  1997 Allied Telesyn International Corp.All rights reserved. No part of this publication may be reproduced without prior written permissi

Installation10Table 1 shows the model variations and different power arrangements for AT-MR415T/AT-MR815T Micro Repeaters:Table 1: Model Configurations

AT-MR415T and AT-MR815T Installation Guide1110Base-T CableThe AT-MR415T/AT-MR815T Micro Repeater supports full-length, fully repeated transmission and

Installation12Hub to MAU Wiring. The most typical UTP cable for the AT-MR415T/AT-MR815T Micro Repeater will be UTP Hub-to-UTP transceiver Data Termina

AT-MR415T and AT-MR815T Installation Guide1310Base-T Network SpecificationsTable 3 provides an overview of the IEEE 802.3 specifications for 10Base-T n

Installation14Standalone Placement of the MR415T/MR815TBoth the MR415T and the MR815T can be standalone mounted. When placing the unit horizontally, s

AT-MR415T and AT-MR815T Installation Guide154. Plug all 10Base-T cables into the 10Base-T network ports (connectors) on the back of the unit. When con

Installation16Examples of Network ConnectionsA Local Area Network can be constructed as shown in Figure 7.Figure 7: LAN ConnectivityA Local Area Netwo

AT-MR415T and AT-MR815T Installation Guide17 NoteRegardless of your current network configuration, the maximum number of AT-MR415T/AT-MR815T Micro Rep

Installation18Invalid Cascading. An example of invalid cascading is shown in Figure 10. When sending packets over the network, it is possible to send

19This chapter discusses testing AT-MR415T/AT-MR815T Micro Repeaters for a valid connection as well as steps to detect other problems.Performing a Con

iii Electrical Safety and Installation Requirements U.S. Federal Communications CommissionDECLARATION OF CONFORMITYManufacturers Name: Allied Telesy

Troubleshooting204. After confirming that port 1 and port 2 are operational, remove the power, reconnect one of the computers to another port, turn the

AT-MR415T and AT-MR815T Installation Guide21Is The Link On Lamp Lighted?The LINK ON lamps on the front of the repeater will light when a proper connec

23AT-MR415TPhysicalWidth 112 mm (4.48 in.) Height 98 mm (3.92 in.)Depth 26 mm (1.04 in.) Weight 280 g (9.9 oz.) Installation options Tabletop or rack-

Technical Specifications24AT-MR415T/AT-MR815TElectricalUse only the wall mounted adapter provided with the product.Countries/Power Voltage FrequencyAu

AT-MR415T and AT-MR815T Installation Guide2510Base-T Pin AssignmentsAn Ethernet twisted-pair link segment requires two pairs of wires. Each wire pair

Technical Specifications26Straight-through WiringIf the twisted-pair link segment is to join two ports on a switch, and only one of the ports has an i

AT-MR415T and AT-MR815T Installation Guide275 - 4 - 3 RuleIn addition to IEEE requirements, Table 4 and Table 5, follow the “5-4-3 rule” to ensure tha

2910Base-T—IEEE 802.3 UTP Ethernet. Low-cost Level 3 or better UTP wiring affords 100 meters (328 ft.) of point-to-point link segments. UTP uses RJ-45

Electrical Safety and Installation Requirementsiv STANDARDS : This product meets the following standardsRFI Emission EN55022 Class BImmunity EN50082

Glossary30CROSSOVER—Wiring used when connecting a 10Base-T MAU to another 10Base-T MAU or a 10Base-T hub to another 10Base-T hub. For example, one 10B

AT-MR415T and AT-MR815T Installation Guide31JAM—This is a term used to describe the collision reinforcement signal output by the repeater to all ports

Glossary32MANAGEMENT INFORMATION BASE (MIB)—A data base of network configuration and performance information. The formal definition of a MIB includes th

AT-MR415T and AT-MR815T Installation Guide33SIGNAL QUALITY ERROR (SQE) TEST—Signal indicates SQE function is active. The SQE message is sent by the MA

35Appendix CTechnical Support Fax OrderName__________________________________________________________________Company _________________________________

37Appendix DAT-MR415T/AT-MR815T Installation Guide FeedbackPlease tell us what additional information you would like to see discussed in this guide. I

39Appendix EWhere To Find UsFor Technical Support or ServiceLocation Phone FaxAsiaSingapore, Taiwan, Thailand, Malaysia, Indonesia, Korea, Philippines

AT-MR415T and AT-MR815T Installation Guidev Radiofrekvens forstyrrelsesemission EN55022 Klasse BImmunitet EN50082-1 SIKKERHED Strømforsyningen til a

Where To Find Us40AustraliaLindfield, NSWTel: (612) 416-0619, Fax: (612) 416-9764CanadaRexdale, OntarioTel: (416) 675-6738, Fax: (416) 675-0057Richmond

41IndexAAlternating Current (AC) adapter 4,6application specific integrated circuit(ASIC) 2Ccables 10cabling10Base-T 12, 135 - 4 - 3 rule 27connectors

Index42rubber feet 14Ssegmentation 2signal propagation delays 15site requirements 9specifications10Base-T Network 13certification 24connector ports 23

Electrical Safety and Installation Requirementsvi Radioaaltojen häirintä EN55022 Luokka BKestävyys EN50082-1 TURVALLISUUS Tähtipisteeseen (hub) syöt

AT-MR415T and AT-MR815T Installation Guidevii Emissão de interferência de radiofrequência EN55022 Classe BImunidade EN50082-1 SEGURANÇA Use somente

ix Table of Contents Electrical Safety and Installation Requirements .........iii Chapter 1Product Description ....