User manual 3COM 100BASE-FX DISTANCE EXTENDER

[. . . ] You may also enable and disable the port. If a product does not operate as warranted above during the applicable warranty period, 3Com shall, at its option and expense, repair the defective product or part, deliver to Customer an equivalent product or part to replace the defective item, or refund to Customer the purchase price paid for the defective product. All products that are replaced will become the property of 3Com. Replacement products may be new or reconditioned. Any replaced or repaired product or part has a ninety (90) day warranty or the remainder of the initial warranty period, whichever is longer. [. . . ] THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE. Some countries, states, or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or consequential damages for certain products supplied to consumers or the limitation of liability for personal injury, so the above limitations and exclusions may be limited in their application to you. This warranty gives you specific legal rights which may vary depending on local law. GOVERNING LAW: This Limited Warranty shall be governed by the laws of the state of California. Environmental EMC Electromagnetic Compatibility FCC Statement: This equipment has been tested with a Class A computing device and has been found to comply with part 15 of FCC Rules. Operation in a residential area may cause unacceptable interference to radio and TV receptions requiring the operator to take whatever steps are necessary to correct the interference. CSA Statement: Technical Specification Forwarding Rate: 148, 800 frames per second. Operating temperature: 0­50°C (32­122°F). It filters all frames smaller than 64 bytes in size. Frames greater than 1522 bytes are forwarded, unless there is traffic congestion, when they are rejected. It forwards all other traffic, such as normal traffic and multicast frames. No address filtering is performed. This Class A digital apparatus meets all requirements of the Canadian Interference-causing Equipment Regulations. Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. Handling the Module CAUTION: The Module can easily be damaged by electrostatic discharge. To prevent damage, please observe the following: s Do not remove the Module from its packaging until you are ready to install it into the hub. Do not touch any of the pins, connections or components on the Module. Handle the Module only by its edges and front panel. Always wear an anti-static wristband connected to a suitable earth point. Always store or transport modules in appropriate anti-static packaging. s s 3Com Corporation, 5400 Bayfront Plaza, Santa Clara, CA, 95052-8145, U. S. A. Tel: (408) 764-5000, 9/1/96 3Com, SuperStack, and Transcend are registered trademarks of 3Com Corporation. Other brand and product names may be registered trademarks or trademarks of their respective holders. DUA1668-4AAA01 Published October 1997 s s 3 Keep the blanking plate in a safe place. If you remove the Module, you must replace the blanking plate to prevent dust and debris entering the hub and maintain cooling air circulation. 4 Hold the Module so that the text on the front panel is upright, and slide it into the hub, ensuring the edge connector is fully engaged. The front panel of the Module should lie flush against the rear panel of the hub. [. . . ] Figure 2 shows the process of chain building. 6 Check the LEDs on the hub to ensure that the Module is operating correctly. You may install Distance Extender Modules in any combination of transceiver slots within a Dual Speed Hub 500 stack. Take care not to create loops in the network. Connecting the Module 1 Remove the protective plastic cover from the fiber connector on the Module. [. . . ]