User manual 3COM 100BASE-TX DISTANCE EXTENDER

[. . . ] Any replaced or repaired product or part has a ninety (90) day warranty or the remainder of the initial warranty period, whichever is longer. 3Com shall not be responsible for any software, firmware, information, or memory data of Customer contained in, stored on, or integrated with any products returned to 3Com for repair, whether under warranty or not. SOFTWARE: 3Com warrants that the software programs licensed from it will perform in substantial conformance to the program specifications therefor for a period of ninety (90) days from the date of purchase from 3Com or its Authorized Reseller. 3Com warrants the media containing software against failure during the warranty period. [. . . ] 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: 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. . Examples of network configurations and more information about Fast Ethernet configuration rules can be found in the hub's user guide. When the Module is fitted in a managed Dual Speed Hub 500 unit, it provides traffic statistics, link status and duplex mode. You may also enable and disable the port. 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. 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. 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. DUA1668-3AAA01 Published October 1997 s s s s Setting the MDI/MDIX Switch The Module has a slide switch on the front panel for configuring the port as MDI or MDIX. The Module is supplied with the switch set to MDI. The general rule for setting the switch is: s Using the Distance Extender The Distance Extender will connect to any Fast Ethernet device with a twisted pair port. [. . . ] For full safety instructions, refer to the user guide that accompanies the hub. Problem Solving If you suspect a problem, carry out the following checks before contacting your supplier: s LEDs LEDs on the front of the hub indicate the Module status. Refer to the user guide that accompanies the Dual Speed Hub 500 unit for a description of the LED behavior. 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. [. . . ]