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Instant EtherFast
EtherFast 10/100
Use this guide to install these
Linksys products:
EtherFast 10/100
5-Port Hub
(EFAH05W)
EtherFast 10/100
8-Port Hub
(EFAH08W)
EtherFast 10/100
16-Port Hub
(EFAH16W)
®
Series
Auto-Sensing
Hubs
EtherFast 10/100
16-Port Rack
Mountable Hub
(EFAH16)
EtherFast 10/100
24-Port Rack
Mountable Hub
(EFAH24)
User Guide
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Table of Contents
Related Manuals for Linksys EFAH05W
Summary of Contents for Linksys EFAH05W
- Page 1 Instant EtherFast EtherFast 10/100 Auto-Sensing Use this guide to install these Linksys products: EtherFast 10/100 5-Port Hub (EFAH05W) EtherFast 10/100 8-Port Hub (EFAH08W) EtherFast 10/100 16-Port Hub (EFAH16W) ® Series Hubs EtherFast 10/100 16-Port Rack Mountable Hub (EFAH16) EtherFast 10/100...
- Page 2 COPYRIGHT & TRADEMARKS Copyright © 1998 Linksys, All Rights Reserved. Instant EtherFast is a registered trade- mark of Linksys. Microsoft, Windows, and the Windows logo are registered trademarks of Microsoft Corporation. All other trademarks and brand names are the property of their respective proprietors.
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Page 3: Table Of Contents
Optional Fiber Optic Expansion Modules Mounting the Hub Connecting Nodes to the Hub Uplinking the Hub Uplinking the 5-Port Hub Powering On and Resetting the Hub Appendix Twisted Pair Cabling Installing Add-On Modules Fiber Optic Modules 100BaseTX Distance Extender Module... -
Page 4: Introduction
Introduction The EtherFast 10/100 Auto-Sensing series of hubs from Linksys is the fastest, most economical way to build or expand an enterprise 100Mbps network! Ready to run right out of the box, each 10/100 hub lets you con- nect computers or other nodes together in seconds, with auto-sensing ports... -
Page 5: About Fast Ethernet
100Mbps pace, while other corporate segments can operate at slower and more affordable 10Mbps speeds. Every port on your Auto-Sensing Hub is capable of running at either 10Mbps or 100Mbps, allowing you to mix and match economical 10BaseT hardware with high performance 100Mbps network cards, hubs, switches,... -
Page 6: Planning Your Network
To cascade more than 2 100Mbps hubs, a switch or a repeater must be used. · The maximum cable length from a node to a repeater, switch, or hub is 100 meters (328 feet). · The maximum length for a Category 5 cable between a 100BaseTX or 10BaseT workstation and a stackable or other shared bandwidth hub is 100 meters (328 feet). -
Page 7: Installing The Hub
Installing the Hub Carefully remove the hub from its packaging. Make sure that you received all of the items listed below. If any items are missing or damaged, contact your Linksys dealer for replacement part(s). · EtherFast 10/100 Auto-Sensing Hub ·... -
Page 8: Led Indicators
ON or flickering if a given port is sending or receiving data; OFF if the port is not con- nected to a node. ON if the hub’s optional expansion module is installed. Flickering when receiving or transmit- ting data. FX2 is on when a dual-port module is... -
Page 9: Optional Fiber Optic Expansion Modules
If you wish to crimp your own cabling for custom sites or lengths, see page 11 for cabling specifications. When connecting a PC to a hub, either the computer or the hub must be powered OFF. If both the computer and the hub are turned on while the connection is completed, the network will act erratically and you must reset the hub (see page 10). -
Page 10: Uplinking The Hub
100Mbps hubs, stackable hubs, switches, or routers. The front of each hub has an Uplink port for this purpose. If you are connecting the hub to a Fast Ethernet hub, router, or switch, remember that Fast Ethernet rules only allow two hubs to be connected together, or cascaded, within a single repeater domain. -
Page 11: Uplinking The 5-Port Hub
Please note that in order for the distance extending switch to become active, all four remaining ports on your 5-Port hub must be running at 100Mbps, (remember that one port on the hub is lost when the hub is uplinked). This feature is only present on the 5-Port Auto-Sensing hub. All other auto-sensing hubs can only be uplinked using 5 meter cables when connecting to 100Mbps Fast Ethernet hubs. -
Page 12: Powering On And Resetting The Hub
To power on the hub, plug the supplied AC electrical power cord into the back of the hub. Turn on the hub. The hub will put itself through a series of diagnostic tests -- which shouldn’t take more than just a few seconds -- then begin scanning the ports for live nodes. -
Page 13: Appendix
Appendix Twisted Pair Cabling There are different grades, or categories, of twisted-pair cabling. Category 5 is the most reliable and widely compatible, and is required for Fast Ethernet. You can buy Category 5 cabling that is pre-made, or you can cut and crimp your own. -
Page 14: Installing Add-On Modules
1. Power off the hub and remove the AC power cord from the hub. 2. Remove all RJ-45 cables from the all the ports in the hub and if the hub is on a rack remove the hub from the rack 3. -
Page 15: Fiber Optic Modules
If you are looking at the back of the hub, the connector on the right is the receiver and the connector on the left is the transmitter. The connectors are also labeled on the top of the fiber port. - Page 16 (using RJ-45), a switch or repeater must be used. The Distance Extender is a switched port. This means another 100Mb hub can be cascaded (with RJ-45) to the hub that has a Distance Extender Module installed. Two Distance Extender modules can be connected togeth- er only at Half Duplex.
- Page 17 15. Note: In the illustration, no other 100Mbps hubs can be cascaded to hubs B and C with RJ-45 cabling. Another 100Mbps hub can be connected to either hub A or hub D with RJ-45 cabling with no problems.
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Page 18: 100Basetx Distance Extender Module
In the Auto-Sensing hubs, this module can only be used in half duplex mode You need to use a crossover cable to connect the module to another hub. If you are using a straight-through cable, you must run the cable between the module and the uplink port on the second hub (see illustration on page 17). - Page 19 The following illustration is an example of how to connect four EtherFast 10/100 Auto-Sensing hubs together using the Single-Port 100BaseTX Distance Extender Module. Note that, without the distance extender mod- ule, the maximum distance between two uplinked hubs is 5 meters (16.4 feet).
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Page 20: Specifications
Ports Speed UTP/STP Cabling LED Indicators Power Power Consumption Dimensions Weight EFAH05W EFAH08W EFAH16W EFAH16 EFAH24 IEEE 802.3 IEEE 802.3u 5, 8, 16, or 24, depending on model; 16 and 24-Port models each also include two 100BaseFX fiber optic expansion slots;... -
Page 21: Customer Support
Customer Support For help with the installation or operation of your EtherFast 10/100 Auto- Sensing Hub, contact Linksys Customer Support at one of the phone num- bers or Internet addresses below. Customer Support Bulletin Board E-mail FTP Site 949-261-1288 949-261-8868 949-261-2888 (33.6K, 8-N-1) - Page 22 : / / w w w. l i n k s y s . c o m © Copyright 1999 Linksys, All Rights Reserved. Printed in the USA.