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AT-FH812u
AT-FH824u
AT-FH812u-SW
AT-FH824u-SW
Fast Ethernet 10/100 Hubs
Version 2
Installation Guide
PN 613-10753-00 Rev G
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Copyright 2000 Allied Telesyn International, Corp. 960 Stewart Drive Suite B, Sunnyvale CA 94085 USA All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesyn International, Corp. Ethernet is a registered trademark of Xerox Corporation. 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. reserves
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Agency Compliance EMI Certification FCC Class A (USA) Warning: This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause interference to radio communications. It has been tested and found to comply with the limits for a Class A digital device pursuant to Subpart B of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference when operated in a commercia
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Agency Compliance It conforms to the following specifications: ! Emissions: EN55022 (1988)/CISPR-22 (1985) class A ! Immunity: EN50082-1 ! EN60555-2 (1995) class A ! EN60555-3 Warning Do not plug a phone jack connector in the RJ-45 port. This may damage this device. Safety Compliance Warning Before making connections, make sure you have the correct Cord Set. Check it (read the label on the cable) against the following specification list. Voltage Cord Set Specifications 120 Volts UL Listed/C
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Table of Contents Agency Compliance ................................................................................................................................ ......................iii Welcome to Allied Telesyn ................................................................................................................................ .........vii Where to Find Web-based Guides...............................................................................................................
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Table of Contents Chapter 3 Troubleshooting ................................................................................................................................ ........................... 15 Diagnosing Hub LEDs................................................................................................................................ .............. 15 Power and Cooling Problems........................................................................................................
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Welcome to Allied Telesyn This guide contains instructions on how to install and configure a AT-FH800 Series Fast Ethernet Hub. Where to Find Web-based Guides The Allied Telesyn web site at www.alliedtelesyn.com provides you with an easy way to access the most recent documentation and technical information for all of our products. For product guides, you can go directly to the following web page: www.alliedtelesyn.com/support/prd_libs.htm. Document Conventions Through out this guide, you wi
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Welcome to Allied Telesyn Contacting Allied Telesyn Technical Support There are several ways to contact Allied Telesyn technical support: online, telephone, fax or e-mail. Online Support You can request technical support online by filling out the Online Technical Support Form at www.alliedtelesyn.com/forms/support.htm. Telephone and Fax For Technical Support via fax, please fill out the “Technical Support Fax Order” on page 23 and send it to the appropriate location listed below. Support Amer
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AT-FH800 Series Installation Guide Returning Products for return or repair must first be assigned a Return Materials Authorization (RMA) number. A product sent to Allied Telesyn without a RMA number will be Products returned to the sender at the sender’s expense. To obtain an RMA number contact Allied Telesyn’s Technical Support at one of the following locations: North America European Customer Support Centre 2205 Ringwood Ave 10/11 Bridgemead Close San Jose, CA 95131 Westmead Industrial Est
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Chapter 1 Introduction The AT-FH800 Series Fast Ethernet Hubs include the following models: ! AT-FH812u ! AT-FH812u-SW ! AT-FH824u ! AT-FH824u-SW The AT-FH812u (shown in Figure 1) and AT-FH824u are manageable and stackable Ethernet hubs with 12 or 24 dual-speed (RJ-45) ports. One slot is used for an Optional Agent Module, and another slot for an Optional Switch Module. The 12 and 24 port AT-FH812u-SW and AT-FH824u-SW are base unit with optional switch modules installed. The AT-FH800-SW model
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Introduction These dual-speed hubs include a wide range of configuration options. They can be stacked together (up to 6 high) to form a dual-speed network of up to 72/144 ports. With a Class II rating, they can also be easily cascaded to additional 10 or 100 Mbps hubs. When the switch module is installed, it links the hub's internal 10 Mbps and 100 Mbps repeater buses together to form a segmented network, allowing traffic to pass between the segments when required. Moreover, the optional Ag
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Chapter 2 Installation Verifying Package Make sure your package contains the following items. Contents ! One AT-FH800 Series Fast Ethernet Hub ! Four rubber foot pads ! Stack cable ! Rack mount bracket kit ! AC power cord ! This installation guide ! Warranty card Pre-Installation Prior to installing your hub, make sure you observe the following cabling and installation environment requirements. The hub can be placed directly on your Requirements desktop or mounted in a rack. ! Do not plug a ph
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Installation Stacking Hubs on The hub can be stacked on a secure table or desktop. a Flat Surface 1. Attach the self-adhesive rubber foot pads (that come with this package) on each of the 4 concave spaces located on the bottom of the first hub. 2. Place the first hub on a firm flat surface where you want to install the stack. 3. Repeat Step 1 for each hub before stacking them. The rubber foot pads cushion the hub against shock/vibrations and provide space between each hub for ventilation. Ra
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AT-FH800 Series Installation Guide Making a You can connect any RJ-45 (MDI-X) station port on the hub to any device that uses a standard network interface such as a PC or server, or to a network Connection via an interconnection device such as a bridge or router (depending on the port type MDI-X Station Port implemented). 1. Prepare the network devices you wish to network. Make sure you have installed 10Base-T or 100Base-TX network interface cards for connecting to the hub's RJ-45 (MDI-X)
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Installation Making a 1. To make a direct connection to a compatible hub or switch, use the MDI daisy- chain port (Port 12/24). When connecting to this port, remember to set the port Connection via the selection switch to MDI. You can also connect any RJ-45 (MDI-X) port on the MDI Daisy-Chain hub to an MDI daisy-chain port on the other device. Port 2. Prepare straight-through shielded or unshielded twisted-pair cables with RJ- 45 plugs at both ends. Use 100 Ohm Category 3, 4 or 5 cable for st
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AT-FH800 Series Installation Guide 10Base-T Cascade Rule A maximum of four hubs/repeaters can be cascaded within the same 10Base-T collision domain Figure 4 10Base-T Cascade Configuration 7
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Installation 10Base-T Cascade Rule A maximum of four hubs/repeaters can be cascaded within the same 10Base-T collision domain Figure 5 100Base-TX Cascade Configuration 8
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AT-FH800 Series Installation Guide Using an Optional The upper slot on the front of the hub is provided for installing anyone of the 3 different Switch Modules or Media Expansion Modules (also referred to as an Module uplink module). The Switch Module is used to bridge the internal 10 and 100 Mbps repeater buses, the twisted-pair and fiber optic uplink modules are used to link the stack to other segments or to a remote site. Note The Media Expansion Modules confine local traffic to the stac
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Installation Using the Agent To manage the hub (or stack), you must install an optional Agent Module, AT-FH805u, in the lower slot on the front of the hub (See Figure 6). Once you have Module installed the module, you will be able to manage the system via a direct connection (AT-FH805u) to the serial port on the front of the module (using a console or modem connection). The management agent provided with this module can also be accessed over the network using Telnet for a text-based interfa
