Linksys EFAH05W, EFAH24, EFAH16W manual Optional Fiber Optic Expansion Module, Mounting the Hub

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Optional Fiber Optic Expansion Module

The Auto-Sensing 16 and 24-Port rack mountable hubs each come with a fiber optic expansion slot which accepts an optional 100BaseFX fiber optic module for connecting to high-speed fiber cabling. If you purchased an optional fiber optic expansion module, set it up by following the setup instructions included in the Appendix of this guide, (page 13).

Mounting the Hub

Each rack mountable hub is equipped with mounting holes that can be used to secure it in a stationary or movable 19” rack. If you purchased a rack mountable hub, use the rack mounting hardware that came with it to secure the hub in your rack. Follow the instructions that came with your rack for detailed mounting instructions.

Connecting Nodes to the Auto-Sensing Hub

The Auto-Sensing Hub can be connected to either 10Mbps or 100Mbps PCs, workstations, file servers, print servers, or other hardware. When powered up, each of the hub’s 10/100 ports will automatically adjust to the proper speed, as determined by the speed of the hardware or node connect- ed to the port.

Connect each of your PCs, workstations, file servers, print servers, or other network nodes to the Auto-Sensing Hub one by one. Each node should be connected to the hub with a straight-through, RJ-45, Category 5 cable. Each cable should be less than 100 meters (328 feet), in length. Ready-to- use network cables of various lengths can be purchased at most computer stores. 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).

If the Uplink port is in use (connected to another hub, etc.), the Auto- Sensing Hub’s last port next to the Uplink port must remain empty and unused. As in most hubs, the Auto-Sensing Hub’s Uplink port and the port adjacent to it are joined together inside the hub, and one cannot be used while the other is in use. If you have an 8-port auto-sensing hub, for exam- ple, port 8 cannot be used if the Uplink port is in use, and vice-versa.

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Contents EtherFast 10/100 Auto-Sensing Hubs Copyright & Trademarks Contents About This Guide IntroductionAbout Fast Ethernet Planning Your Network Front and Back Panels 100/10 Col LED IndicatorsConnecting Nodes to the Auto-Sensing Hub Optional Fiber Optic Expansion ModuleMounting the Hub Uplinking the Hub Uplinking the 5-Port Hub Resetting the Hub Powering On the HubTwisted Pair Cabling AppendixHow To Install An Add-On Module Fiber Optic Modules Cable type Module in Hub a Module in hub B 16/50 Maximum distance Meters 16 meters 100BaseTX Distance Extender Module Page Ports SpecificationsCustomer Support T p / / w w w. l i n k s y s . c o m