Ethernet Fast Ethernet Fiber CentreCOM ® AT-3714F AT-3726 Switch INSTALLATION GUIDE PN 613-10708-00 Rev.
Copyright 1998 Allied Telesyn International, Corp. All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesyn International, Corp. CentreCom is a registered trademark of Allied Telesyn International, Corp. All other product names, company names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners. Allied Telesyn International, Corp.
Electrical Safety and Installation Requirements for AT-3726 STANDARDS: This product meets the following standards. U.S. Federal Communications Commission RADIATED ENERGY Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
Electrical Safety and Installation Requirements for AT-3726 IMPORTANTE: Este equipamento tem que ser operado segundo as medidas de precaução de segurança. Para ver qualquer dos avisos contidos neste guia em vários idiomas, consultar o Anexo A, da Informação de Segurança Traduzido no número de página indicado pelo ícone . (Portuguese) IMPORTANTE: La operación de este equipo debe llevarse a cabo cumpliendo con las precauciones de seguridad.
Electrical Safety and Installation Requirements for AT-3714F STANDARDS: This product meets the following standards. Declaration Of Conformity Manufacturers Name: Manufacturers Address: Allied Teleysn International, Corp. 950 Kifer Road Sunnyvale, CA 94086 USA Manufacturers Telephone: Declares that the product: Model Number: 408-730-0950 Fiber Ethernet Switch AT-3714F Complies with FCC Part 15B, Class B Limits: This device complies with part 15 of the FCC Rules.
Electrical Safety and Installation Requirements for AT-3714F TÄRKEÄÄ: Tätä laitetta on käytettävä turvaohjeiden mukaisesti. Tässä ohjeessa olevat turvallisuusvaroitukset löytyvät useammalla kielellä liitteen A "Käännetyt turvaohjeet" sivulta, joka on merkitty -kuvakkeella. (Finnish) IMPORTANTE: questa apparecchiatura deve essere utilizzata rispettando le norme di sicurezza.
Table of Contents Electrical Safety and Installation Requirements for AT-3726 ....................................................... iii Electrical Safety and Installation Requirements for AT-3714F ...................................................... v Preface .......................................................................................................................................... Preface-i Purpose of This Guide ............................................................................
Table of Contents Chapter 3 Troubleshooting .................................................................................................................................. 3-1 At the First Sign of a Problem ........................................................................................................................................................................3-1 Network Cabling Problems ......................................................................................................
Preface Purpose of This Guide This guide is written for installers and network administrators who are responsible for installing and maintaining the switch. How This Guide is Organized This guide consists of the following sections: Chapter 1, Hardware Description, describes the features and functions of the switch. Chapter 2, Installing the AT-3714F and AT-3726 Switch, describes the procedures for installing the switch. Chapter 3, Troubleshooting, describes how to troubleshoot the switch.
Preface Document Conventions The conventions used in this guide are as follows: Note A note provides additional information. Warning A warning indicates that performing or omitting a specific action may result in bodily injury. Caution A caution indicates that performing or omitting a specific action may result to equipment damage or loss of data.
AT-3714F and AT-3726 Installation Guide Where to Find Related AT-3714F, AT-3726 Guides Allied Telesyn wants our customers to be well informed by providing the most up-to-date and most easily accessible way to find our guides and other technical information by visiting our website at: www.alliedtelesyn.com/manuals.htm.
Chapter 1 AT-3714F, AT-3726 Hardware Description The AT-3714F switch provides 12 Ethernet 10Base-FL ports and one built-in 100Base-FX port. The AT-3726 switch is a standalone, managed Ethernet switch that provides 24 10Base-T ports and one built-in 10/100Base-TX port. Both switches include a 100Base-X slot that can be configured with an optional 10/100Base-TX or 100Base-FX port.
AT-3714F, AT-3726 Hardware Description Physical Description The switches have the following major front panel components: ❑ 24 Ethernet 10Base-T RJ45 ports with one 10/100Base-TX port (Fast ethernet) (AT-3726); 12 10Base-FL ports (SC or ST) with one 100Base-FX (fiber SC) port (AT-3714F) ❑ Optional Media Dependent Adapter (MDA)--100Base-X port can be configured either with 10/100Base-TX (RJ45) or 100Base-FX port (fiber SC) ❑ Port Mirroring (Port M) 10Base-T RJ45 ❑ RS232 (DB9) connector (out-of-band/L
AT-3714F and AT-3726 Installation Guide ❑ In-band Telnet capability for switch management ❑ Out-of-band capability with RS232 connector for switch management ❑ Flash memory for convenient upgrades Network Management Features The following lists the switch’s major network management features.
AT-3714F, AT-3726 Hardware Description With the Cut-through (fragment-free) method, the switch starts to forward the incoming packet to its destination while the packet is still being received. Cut-through (fragment-free) provides low latency for forwarding frames and also filtering fragment frames by not transmitting a frame until 64 bytes have been received by the switch.
AT-3714F and AT-3726 Installation Guide 10/100BaseTX/ FX Media Dependent Adapter The MDA’s LEDs, one for Activity and the other for Link status, are located on the switch’s front panel under Port Activity. Table 1-1 lists the features of the MDAs. For details concerning how to install an MDA, see Chapter 2, Installing a Media Dependent Adapter.
Chapter 2 Installing the Switch The AT-3714F, AT-3726 switch is 1.5 Rack Unit (RU) high and can be positioned on a desktop as a standalone unit or rack-mounted in a standard 19-inch rack. Verifying Switch Package Contents Make sure the following hardware components are included in your switch package. If any of the following items are missing or damaged, contact your sales representative.
Installing the Switch Safety Information Warning ELECTRIC SHOCK HAZARD To prevent ELECTRIC shock, do not remove cover. No user-serviceable parts inside. This unit contains HAZARDOUS VOLTAGES and should only be opened by a trained and qualified technician. To avoid the possibility of ELECTRIC SHOCK, disconnect electric power to the product before connecting or disconnecting the LAN cables. A-4 Laser This is a “CLASS 1 LED PRODUCT.
AT-3714F and AT-3726 Installation Guide Preparing the Site Make sure that you follow common sense installation site requirements and observe the following: ❑ Make sure that the switch’s power is accessible and cables can be connected easily. ❑ Cabling should be away from sources of electrical noise such as radios, transmitters, broadband amplifiers, power lines, and fluorescent fixtures. ❑ Air flow around the switch and through its vents in the side and rear cannot be restricted.
Installing the Switch Rack Mounting the Unit Caution Do not use power tools to perform this installation. To rack mount the unit 1. Remove the snap-on plastic feet, as shown in Figure 2-1. Figure 2-1 Removing the Feet 2. Remove all cables and power cord from the switch (if previously attached). Caution Air vents must not be blocked and must have free access to the room ambient air for cooling A-11.
AT-3714F and AT-3726 Installation Guide 3. Attach the rack-mounting brackets to each side of the switch, using the 6 flathead screws provided. OR P K ORT TER RS-23 MIN 2 AL P ORT STAT US FAU LT POW ER RES ET Figure 2-2 Attaching Rack-Mounting Brackets 4. Mount the unit in the rack. 5. Apply power to the unit as follows: Caution Power cord is used as a disconnection device. To de-energise equipment disconnect the power cord. A-10 Attach the power cord to the unit and plug it in the wall outlet.
Installing the Switch As power is applied to the switch, the switch runs its own internal testing. Table 2-1 LEDs LED Color State Description POWER (system) Green ON The switch is receiving power, voltage is within the acceptable range, and the power supply is working. FAULT (system) Red ON The switch or management software is malfunctioning. Flashing Running diagnostics. LINK (Ethernet) Green ON There is a physical link with a device.
AT-3714F and AT-3726 Installation Guide Setting Up Terminal for Local Management Using Omega 1. For local management, connect your terminal to the RS232 connector on the switch’s front panel. Use an RS232 DB9 straight-through cable. Note The RS232 is for Setup and Diagnostics only. The cable must be disconnected during normal operation to maintain Emissions Compliance. 2. Access your terminal emulator program. Press Return several times to ensure baud configuration (autobaud). 3.
Installing the Switch Switch Default Settings Table 2-2 Switch Default Settings Settings 2-8 Default IP Address 0.0.0.0 Subnet Mask 0.0.0.0 Gateway Address 0.0.0.
AT-3714F and AT-3726 Installation Guide Media Dependent Adapters Two types of Media Dependent Adapters (MDAs) can be installed in the AT-3714F, AT-3726 switch: either the AT-3701 (RJ45) or the AT-3701F/SC.
Installing the Switch Installing a Media Dependent Adapter To install an MDA, do the following: 1. Disconnect the switch’s power cord. 2. Unscrew the three Phillips head screws on the blank faceplate and save the faceplate and screws for future use. Caution Make sure the MDA blank panel is attached to the unit if the MDA slot is vacant. 3.
AT-3714F and AT-3726 Installation Guide Cen tre PO RT B 100 BA SE 100 370 BA 1 SE -T -TX X 1X 3X 5X X 7X AX 9X 11X 2X 10B AS 4X 6X 8X Figure 2-5 Connecting the 50-Pin Female Connector 6. Attach the three Phillips panhead screws that were shipped with the MDA. 7. Apply power to the unit as follows: Caution Power cord is used as a disconnection device. To de-energise equipment disconnect the power cord. A-10 Re-attach the power cord to the unit and plug it in the wall outlet.
Chapter 3 Troubleshooting At the First Sign of a Problem Perform the following tasks when you first become aware of a problem with the switch: ❑ Make sure the power cord is securely connected and the power voltage is not fluctuating. ❑ Check the data cables for secure connections and make sure the device at the other end of a connection is operational. ❑ Press the RESET button so the switch can run self- diagnostics. Use Omega to run diagnostics and read statistics.
Troubleshooting Network Cabling Problems If you have 100Base-TX (Fast-Ethernet), some network problems may be related to exceeding cabling distances. Refer to the standard IEEE 802.3u, Clause 29.3.1.2 on “Worst Case Path Delay Value.” This document specifies that the collision domain diameter must be within the following limits: Calling Technical Support ❑ Under 100 m (330 feet) for TX cabling ❑ Under 412 m (1331.
AT-3714F and AT-3726 Installation Guide How the Switch Reports Problems The switch detects and processes errors as follows: ❑ The LEDs indicate problems with the port and power. Table 3-1 describes the switch LEDs. ❑ In a TCP/IP environment, if you have configured the software correctly, the management software triggers an SNMP trap message. As a result, the software then sends traps to alert the network manager when a trigger occurs.
Troubleshooting PORT ACTIVITY LED on any Port is Off This may indicate: ❑ Data cable is loose. ❑ The device at the other end of the connection has been turned off. ❑ The port is disabled through the software. Perform the following steps in sequence; you need not proceed to the next step if the problem is resolved: 1. Make sure the data cables are secure. 2. Make sure the device at the end of the connection is turned on. 3. Call Allied Telesyn’s Technical Support.
AT-3714F and AT-3726 Installation Guide 1. Secure the power cord to the power source and check the POWER LED to see if it is on. 2. Ensure that the voltage is within the required levels in your region. 3. Log on to Omega and run Diagnostics if you can (System administration>Diagnostics) and record any failures. 4. Call Allied Telesyn’s Technical Support and report the results of the tests.
Chapter 4 Switch Configurations Standalone Switch Configuration Figure 4-1 and Figure 4-2 show the AT-3726 and AT-3714F Switch respectively, used as a standalone switch for a group of heavy traffic users in a large corporate network. Switching is brought to the desktop with a single end-station per switch port. A local server is connected to the 100Mbps Fast Ethernet port.
Switch Configurations 10BASE-FL ETHERNET SWITCH with FAST ETHERNET 100BASE ACCESS MDA 10BASE-FL 100BASE-FX 1 3 5 7 9 PORT ACTIVITY 11 MIRROR PORT LINK B LINK RS-232 TERMINAL PORT STATUS ACTIVITY 3701 100BASE-TX A TX RX TX RX TX RX TX RX TX RX TX 1 3 5 7 9 11 2 4 6 8 10 12 RX FAULT RESET B X TX RX 2 4 6 8 10 12 A POWER X AT- 3714F Server 100FX Full duplex Workstation Workstation Workstation Uplink to corporate LAN using MDA Legend Dedicated 10M
AT-3714F and AT-3726 Installation Guide Workgroup Switch Configuration Figure 4-3 and Figure 4-4 show how cascaded AT-3726s and AT-3714Fs respectively, fit into a large corporate network with a Fast Ethernet infrastructure. A switch is located on each floor and servers are centralized in one room.
Switch Configurations AT-3606F Hub AT-3714F 10BASE-FL ETHERNET SWITCH with FAST ETHERNET 100BASE ACCESS MDA 10BASE-FL 100BASE-FX 1 3 5 7 9 PORT ACTIVITY 11 MIRROR PORT LINK B LINK RS-232 TERMINAL PORT STATUS ACTIVITY 3701 100BASE-TX A TX RX TX RX TX RX TX RX TX RX TX 1 3 5 7 9 11 2 4 6 8 10 12 RX FAULT RESET B TX X 2 RX 4 6 8 10 A POWER 12 X AT-3714F 10BASE-FL ETHERNET SWITCH with FAST ETHERNET 100BASE ACCESS MDA 10BASE-FL 100BASE-FX 1 3 5 7 9
Appendix A Translated Safety Information IMPORTANT: This appendix contains multiple-language translations for each safety warning in this guide. WICHTIG: Dieser Anhang enthält mehrsprachige Übersetzungen für alle Sicherheitswarnungen dieser Anleitung. (German) VIGTIGT: Denne brochure indeholder oversættelser i flere sprog for alle sikkerhedsadvarslerne i denne vejledning. (Danish) BELANGRIJK: Dit aanhangsel bevat vertalingen in meerdere talen voor elke veiligheidswaarschuwing in deze gids.
Translated Safety Information WARNING: In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. WARNUNG: Bei Verwendung zu Hause kann dieses Produkt Funkstörungen ervorrufen. In diesem Fall müßte der Anwender angemessene Gegenmaßnahmen ergreifen. ADVARSEL: I et hjemligt miljø kunne dette produkt forårsage radio forstyrrelse. Bliver det tilfældet, påkræves brugeren muligvis at tage tilstrækkelige foranstaltninger.
AT-3714F and AT-3726 Installation Guide This is a "CLASS 1 LED PRODUCT" Das ist ein “LED Produkt der Klasse 1” Dette er et “PRODUKT UNDER KLASSE 1 LED” Dit is een “KLASSE 1 LED-PRODUKT” Ce matériel est un “PRODUIT À DIODE ÉLECTROLUMINESCENTE DE CLASSE 1” Tämä on “ENSIMMÄISEN LUOKAN VALODIODITUOTE” Questo è un “PRODOTTO CON LED DI CLASSE 1” Dette er et “KLASSE 1 LED PRODUKT” Este é um “PRODUTO CLASSE 1 LED” Este es un “PRODUCTO DE DIODO LUMINISCENTE (LED) CLASE 1” Detta är en “KLASS 1 LYSDIODPRODUKT” A-3
Translated Safety Information WARNING: To prevent electric shock, do not remove cover. No userserviceable parts inside. This unit contains hazardous voltages and should only be opened by a trained and qualified technician. To avoid the possibility of electric shock, disconnect electric power to the product before connecting or disconnecting the LAN cables. ACHTUNG: GEFÄHRLICHE SPANNUNG Das Gehäuse nicht öffnen. Das Gerät enthält keine vom Benutzer wartbaren Teile.
AT-3714F and AT-3726 Installation Guide (Continued...) AVVERTENZE ELETTRICHE ATTENZIONE: PERICOLO DI SCOSSE ELETTRICHE Per evitare SCOSSE ELETTRICHE non asportare il coperchio. Le componenti interne non sono riparabili dall’utente. Questa unità ha TENSIONI PERICOLOSE e va aperta solamente da un tecnico specializzato e qualificato. Per evitare ogni possibilità di SCOSSE ELETTRICHE, interrompere l’alimentazione del dispositivo prima di collegare o staccare i cavi LAN.
Translated Safety Information ELECTRICAL-TYPE CLASS 1 EQUIPMENT This equipment must 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. GERÄTE DER KLASSE 1 DIESE GERÄTE MÜSSEN GEERDET SEIN. Der Netzstecker darf nur mit einer vorschriftsmäßig geerdeten Steckdose verbunden werden.
AT-3714F and AT-3726 Installation Guide (Continued...) ELÉTRICO—EQUIPAMENTOS DO TIPO CLASSE 1 DEVE SER FEITA LIGAÇÃO DE FIO TERRA PARA ESTE EQUIPAMENTO. O plugue de alimentação deve ser conectado a uma tomada com adequada ligação de fio terra. Tomadas sem adequada ligação de fio terra podem transmitir voltagens perigosas a peças metálicas expostas. ELECTRICO—EQUIPO DEL TIPO CLASE 1 ESTE EQUIPO TIENE QUE TENER CONEXION A TIERRA. El cable tiene que conectarse a un enchufe a tierra debidamente instalado.
Translated Safety Information ELECTRICAL—CORD NOTICE Use power cord, maximum 4.5 meters long, rated 6 amp minimum, 250V, made of HAR cordage molded IEC 320 connector on one end and on the other end a plug approved by the country of end use.
AT-3714F and AT-3726 Installation Guide (Continued...) ELECTRICO—ADVERTENCIA SOBRE EL CABLE Use un cable eléctrico con un máximo de 4,5 metros de largo, con una capacidad mínima de 6 amperios, 250 V, hecho de cable HAR, con el conector moldeado IEC 320 en un extremo y con un enchufe que está aprobado por el país de uso final en el otro.
Translated Safety Information CAUTION: POWER CORD IS USED AS A DISCONNECTION DEVICE. TO DE-ENERGISE EQUIPMENT disconnect the power cord. VORSICHT: DAS NETZKABEL DIENT ZUM TRENNEN DER STROMVERSORGUNG. ZUR TRENNUNG VOM NETZ, KABEL AUS DER STECKDOSE ZIEHEN. ADVARSEL: DEN STRØMFØRENDE LEDNING BRUGES TIL AT AFBRYDE STRØMMEN. SKAL STRØMMEN TIL APPARATET AFBRYDES, tages ledningen ud af stikket. WAARSCHUWING: HET TOESTEL WORDT UITGESCHAKELD DOOR DE STROOMKABEL TE ONTKOPPELEN.
AT-3714F and AT-3726 Installation Guide CAUTION: Air vents must not be blocked and must have free access to the room ambient air for cooling. VORSICHT: Die Entlüftungsöffnungen dürfen nicht versperrt sein und müssen zum Kühlen freien Zugang zur Raumluft haben. ADVARSEL: Ventilationsåbninger må ikke blokeres og skal have fri adgang til den omgivende luft i rummet for afkøling. OPGELET: De ventilatiegaten mogen niet worden gesperd en moeten de omgevingslucht ongehinderd toelaten voor afkoeling.
Translated Safety Information LIGHTNING DANGER DANGER: DO NOT WORK on equipment or CABLES during periods of LIGHTNING ACTIVITY. GEFAHR DURCH BLITZSCHLAG GEFAHR: Keine Arbeiten am Gerät oder an den Kabeln während eines Gewitters ausführen. FARE UNDER UVEJR FARE: UNDLAD at arbejde på udstyr eller KABLER i perioder med LYNAKTIVITET. GEVAAR VOOR BLIKSEMINSLAG GEVAAR: NIET aan toestellen of KABELS WERKEN bij BLIKSEM.\ DANGER DE FOUDRE DANGER : NE PAS MANIER le matériel ou les CÂBLES lors d’activité orageuse.
AT-3714F and AT-3726 Installation Guide OPERATING TEMPERATURE This product is designed for a maximum ambient temperature of 40 degrees C. BETRIEBSTEMPERATUR Dieses Produkt wurde für den Betrieb in einer Umgebungstemperatur von nicht mehr als 40° C entworfen. BETJENINGSTEMPERATUR Dette apparat er konstrueret til en omgivende temperatur på maksimum 40 grader C. BEDRIJFSTEMPERATUUR De omgevingstemperatuur voor dit produkt mag niet meer bedragen dan 40 graden Celsius.
Translated Safety Information ALL COUNTRIES: Install product in accordance with local and National Electrical Codes. ALLE LÄNDER: Installation muß örtlichen und nationalen elektrischen Vorschriften entsprechen. ALLE LANDE: Installation af produktet skal ske i overensstemmelse med lokal og national lovgivning for elektriske installationer. ALLE LANDEN: het toestel installeren overeenkomstig de lokale en nationale elektrische voorschriften.
AT-3714F and AT-3726 Installation Guide ELECTRICAL—AUTO VOLTAGE ADJUSTMENT This product will automatically adjust to any voltage between the ranges shown on the label. AUTOMATISCHE SPANNUNGSEINSTELLUNG Dieses Gerät stellt sich automatisch auf die auf dem Etikett aufgeführten Spannungswerte ein. ELEKTRISK—AUTOMATISK SPÆNDINGSREGULERING Dette apparat vil automatisk tilpasse sig enhver spænding indenfor de værdier, der er angivet på etiketten.
Appendix B Technical Specifications Table B-1 lists the technical specifications for the AT-3714F, AT-3726 Switch. Table B-1 AT-3714F, AT-3726 Technical Specifications Physical Specifications Dimensions (H x W x D) Base Unit (fully loaded) Required ventilation on all sides 2.593 in. x 17.33 in. x 12.60 in. (6.59 cm x44.02 cm x 32.00 cm) 7.5 in. (191 mm) Weight 10 lbs., 13 oz. (4.
Technical Specifications Table B-2 RJ45 Pin Assignments for AT-3714F (Mirror port) and AT-3726 Pin Number Function 1 RD+ 2 RD- 3 TD+ 4 Unused 5 Unused 6 TD- 7 Unused 8 Unused Media Dependent Adapter Cabling Distances Table B-3 lists the maximum cable distances for the AT-3714F, AT-3726 Switch Media Dependent Adapter (MDA). Table B-3 MDA Maximum Cable Distances MDA B-2 Ethernet Type Maximum Distance AT-3701F/SC SC (100Base) 1.
Index Numerics 100Base-FX port 1-1 100Base-TX port 1-1 P PWR LED 2-6 R A Activity LED 2-6 AT-3701 MDA 1-5, 2-9 AT-3701F/SC MDA 1-5, 2-9 auto-negotiation 1-2 redundant backbone connections 1-3 reset button 1-5, 3-1, 3-5 RS232 connector 1-5, 2-7, 3-5 S shared memory architecture 1-2 SNMP 3-5 SNMP Management Information Base 1-3 SNMP trap message 3-3 Spanning Tree Protocol 1-3 standalone switch 4-1 store-and-forward mode 1-2 switch default settings 2-8 B bandwidth capability 1-1, 1-2 C clear-channel ar
