Allied-telesis AT-MR912TX Manuel d'utilisateur

CentreCOM AT-MR912TX Standalone/Stackable Hub Installation Manual ®

viii INSTALLAZIONEELETTRICITÀ—REGOLAZIONE AUTOMATICA DELLA TENSIONE Questo prodotto regolerà automaticamente la tensione ad un valore compreso nella

ix INSTALLASJONELEKTRISK—AUTO SPENNINGSTILPASNING Dette produktet vil automatisk bli tilpasset hvilken som helst strømspenning i de områdene som vise

x INSTALAÇÃOELÉTRICO—AJUSTE AUTOMÁTICO DE VOLTAGEM Este produto ajustar-se-á automaticamente a qualquer voltagem que esteja dentro dos limites indi

xi ATENCION : EL CABLE DE ALIMENTACION SE USA COMO UN DISPOSITIVO DE DESCONEXION. PARA DESACTIVAR EL EQUIPO, desconecte el cable de alimentación.

xii ELEKTRISKT—AUTOMATISK SPÄNNINGSJUSTERING Denna produkt justeras automatiskt till alla spänningar inom omfånget som indikeras på produktens märk

xv Table of Contents Electrical Safety and Installation Requirements . . . . . . . . . . . . . . . . . .i About This Manual . . . . . . . . . .

xvi Standalone Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Rack mounting . . . . . . . . .

xviiThis manual is written for system administrators who are responsible for configuring, monitoring, and maintaining a Local Area Network (LAN) of whi

About This ManualxviiiDocument ConventionsThe following conventions are used in presenting information in this manual: NoteA note provides additional

AT-MR912TX Hub Installation ManualxixBulletin Board ServicesA bulletin board is available. The number is:206-483-7979Modem settings for the bulletin b

Copyright  1996 Allied Telesyn International Corp.All rights reserved. No part of this publication may be reproduced without prior written permissi

1Chapter 1Product DescriptionWelcome to Allied Telesyn International!Allied Telesyn’s AT-MR912TX Fast Ethernet Stackable/Cascadable hub is both a cost

Product Description2❑ Internal fan and two side-vents support 0-500 C (32-1220 F) degrees of temperature❑ Unshielded/Shielded (UTP/STP) Twisted Pair c

AT-MR912TX Hub Installation Manual3Stacked Hub ConfigurationYour AT-MR912TX hub has a bay which accepts ATI’s AT-MR901 Stacking Module. The AT-MR901 S

Product Description4Package ContentsThe parts included with each AT-MR912TX hub are listed below. Please ensure that you have everything. ❑ One AT-MR9

AT-MR912TX Hub Installation Manual5Light-emitting Diodes (LEDs)Figure 3 shows the front panel LEDs. This faceplate is common to all AT-MR912TX models.

Product Description6Table 4 on page 6 details the purpose, color and functional description of each LED.Table 4: Front Panel LEDsAT-MR901 Stacking Mod

AT-MR912TX Hub Installation Manual7An AT-MR901 stacking module (and SCSI Type II cable) is used to stack two, or more, hubs together. Installed in the

Product Description8AT-MR902 100Base-FX ModuleFigure 5 shows the back panel of an AT-MR912TX with an AT-MR902 100Base-FX Module installed.Figure 5: AT

AT-MR912TX Hub Installation Manual9Figure 6 shows a generic illustration of both types of connectors.Figure 6: ST and SC ConnectorsStraight Tip Connec

i Electrical Safety and Installation Requirements STANDARDS : This product meets the following standardsRFI Emission EN55022 Class A WARNING : In a

Product Description10Figure 7 shows an ST connector.Figure 7: ST ConnectorThis connector uses a spring loaded twist and lock coupling similar to conve

AT-MR912TX Hub Installation Manual11Figure 8 shows an SC connector matrix with the locking device removed and suspended over the connectors.Figure 8:

Product Description12100Base-FX Wiring Specifications An earlier IEEE FOIRL standard limited a fiber optic segment length to 1 km (1,000 meters or 3,280

13PowerAT-MR912TX hubs have an internal universal power supply rated at 100-120/ 200-240 VAC, 50/60 Hz. As noted in Chapter 1, ATI provides different

Installation14VentilationAll AT-MR912TX hubs have an internal fan and openings on both sides for ventilation. NoteMake sure the ventilation openings

AT-MR912TX Installation Manual15For the foregoing reasons, it is absolutely vital that all cabling used with 100Base-TX connections is Category 5. Usi

Installation16Alternative InstallationsAT-MR912TX hubs can be installed within four different configurations: standalone, cascaded, stacked and cascade

AT-MR912TX Installation Manual17Installation procedures are as follows:1. Ensure that the package includes the required items presented in Chapter 1.2

Installation18Rack mountingRack mounting will require use of the rackmount installation kit which is provided. The 19-inch rackmount kit, standard wit

AT-MR912TX Installation Manual19Cascaded InstallationYou do not need to upgrade a standalone AT-MR912TX hub to enable cascading. From the illustration

ii CAUTION : POWER CORD IS USED AS A DISCONNECTION DEVICE. TO DE-ENERGISE EQUIPMENT disconnect the power cord.I NSTALLATIONELECTRICAL—AUTO VOLTAGE AD

Installation207. Check the front panels to make sure the green power (PWR) LEDs are illuminated.8. As Figure 13 on page 18 illustrates, Port 12 (MDI)

AT-MR912TX Installation Manual21Stacked InstallationAT-MR912TX-19A, AT-MR912TX-29A and AT-MR912TX-39A models are designed to interoperate with similar

Installation223. Slide the AT-MR901 Stacking Module into the back panel port opening, as shown in Figure 15. Ensure that the module is seated in the i

AT-MR912TX Installation Manual232. Install the brackets as indicated in the following figure.Figure 16: Installing Stacking Brackets3. Attach the power

Installation24You are now ready to operate your 100Base-TX network in a stacked hub configuration as shown in Figure 17 (note that — for clarification p

AT-MR912TX Installation Manual25 NoteOnce you connect AT-MR912TX hubs in a stacked configuration, they effectively become Class I repeaters. That is,

27Connectivity TestingFollow the steps outlined below to test for a valid connection as well as confirm the correct operation of the network.1. Connect

Troubleshooting28Power CheckCheck the power (PWR) LED on the front of the AT-MR912TX. This green LED should be illuminated. If the power LED is not on

AT-MR912TX Installation Manual29Is the AT-MR902 100Base-FX Module LED illuminated?The AT-MR902 100Base-FX Module (FX/ON) LED on the front of the AT-MR

iii INSTALLATIONAUTOMATISCHE SPANNUNGSEINSTELLUNG Dieses Gerät stellt sich automatisch auf die auf dem Etikett aufgeführten Spannungswerte ein. GERÄ

31Appendix AAT-MR912TX SpecificationsPhysical CharacteristicsDimensions: 10” deep x 17.25” wide x 1.77” highWeight: Nine (9) pounds with modulesSeven (

AT-MR912TX Specifications32Low chipset latency delay for:❑ Cascade uplink through MDI/MDI-X RJ-45 port 12 with an internal crossover switch❑ AT-MR901

AT-MR912TX Installation Manual33Product ModelsSix different models of the AT-MR912TX hub are available, depending on voltage, power cords and configur

AT-MR912TX Specifications34100Base-TX Cable PinoutsOne-to-One Cable1122334455667788Crossover Cable1122334455667788TX+ RX+TX+RX+RX-RX+ TX+TX-TX+ RX+TX+

35Appendix BGlossary10Base2—Also called thin Ethernet, thinnet or CheaperNet, a 10 MHz baseband specification. Cable impedance is 50 Ω and maximum coa

Glossary36CARRIER SENSE—In a LAN, an ongoing activity of a data station to detect whether another station is transmitting.CARRIER SENSE MULTIPLE ACCES

AT-MR912TX Installation Manual37HOUSE WIRING—House wiring is the existing wiring inside a building. This wiring generally originates from one or more

Glossary38MEDIUM DEPENDENT INTERFACE (MDI)—The mechanical and electrical interface between a hub and a transceiver (MAU). MDI-X is another version of

AT-MR912TX Installation Manual39THIN ETHERNET—See 10Base2TRUNK CABLE—The coaxial cable used to distribute signals over long distances throughout a cab

iv INSTALLATIONELEKTRISK—AUTOMATISK SPÆNDINGSREGULERING Dette apparat vil automatisk tilpasse sig enhver spænding indenfor de værdier, der er angivet

41Appendix CTechnical Support Fax OrderName__________________________________________________________________Company _________________________________

43Appendix DCentreCOM AT-MR912TX Manual FeedbackPlease tell us what additional information you would like to see discussed in the manual. If there are

45Appendix EWhere To Find UsFor Technical Support or ServiceLocation Phone FaxNorth AmericaUnited States, Canada, Mexico, Central America, South Ameri

Where To Find Us46For Sales InformationAustraliaLindfield, NSWTel: (612) 416-0619, Fax: (612) 416-9764CanadaRichmond, British ColumbiaTel: (604) 244-06

47Appendix FIndexAAuto-partitioning 2Bback panel 7, 8Ccabling100BASE-FL 12100BASE-T 33cabling specifications 32Class II compliance 1compatability 2com

v INSTALLATIEELEKTRISCH: AUTOMATISCHE AANPASSING VAN DE SPANNING Dit toestel past zich automatisch aan elke spanning aan, tussen de op het label verm

vi INSTALLATIONRÉGLAGE DE TENSION AUTOMATIQUE ÉLECTRIQUE Ce matériel peut s’ajuster automatiquement sur n’importe quelle tension comprise dans la pla

vii ASENNUSSÄHKÖ—AUTOMAATTINEN JÄNNITTEENSÄÄTÖ Tämä tuote säätää automaattisesti mihin tahansa jännitteeseen ohjetarrassa annettujen arvojen välillä.