Instruction/ maintenance manual of the product Baseline 2126-G 3Com
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1 The 3Com ® Baseline Switch 2126-G is a versatile, easy-to-use unmanaged switch. It is ideal for users who want the high-speed performance of 10/100 switching but d o not need sophisticated management capabilities. The Base line Switch 2126-G is shi pped ready for use.
2 The numbers in this diagram refe r to numbere d sections in the text. Front Panel 1 24 RJ-45 10/100 Ports WAR NI NG : RJ-45 ports. These are shielded RJ-45 data sockets. They cannot be us ed as standard traditional telephone sockets, or to connect the unit to a traditional PBX or public telephone network.
3 4 Power LED The Power LED shows the powe r status of the Switch: 5 Duplex Status LEDs The second and fourth (bottom) row of Status LEDs, which are colored yellow , show the duplex status of the related ports: 6 Self-Ad hesive Pa ds The unit is supplied with four self-adhesi ve rubber pads.
4 The Switch is supplied with two moun ting brackets and four screws. These ar e used for rack-mounting the unit. When mounting the unit, you s hould take note of the guidelines given in “Positioning the Switch“ on page 3. Rack Mounting the Unit The Switch is 1U high and will fit a standard 19-inch rack .
5 Please read the following safety information ca refully before installing the Switch. WARN IN G: Install ation and r emoval of th e unit must be carried out by qualif ied personne l only . If insta lling the Swi tch uni t in a sta ck with oth er Basel ine units, t he Switch must be installed below the narrowe r Hub units.
6 Lea la sección ‘Información d e seguridad importante’ detenidamente antes de instalar la unidad . ADVERTENCIA: La instal ación y la extracc ión de la unidad sólo debe llevarl a a cabo personal cualificado .
7 may find the following bookl et prepar ed by the Federal Communications Commission helpful: How to Identify and Resolve Radio-TV Interference Problems This booklet is available from the U.S. Gover nment Printing Office, W ashington, DC 20402, Stock No.
8 © 3Com Corporation , 2004, 2005. All rights reserv ed. No part of this documentat ion may be rep roduced in any form or by any mea ns or used to make any der ivative wo rk (such as transl ation, tr ansformati on, or ad aptation) without per mission from 3 Com Corporatio n.
9 General Environmental Statement It is the policy of 3Com Corporation to be environmentally-friendly in all operations. T o uphold our policy , we are committed to: Establishing environmental per.
An important point after buying a device 3Com Baseline 2126-G (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of 3Com Baseline 2126-G, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime 3Com Baseline 2126-G.
However, one of the most important roles played by the user manual is to help in solving problems with 3Com Baseline 2126-G. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3Com Baseline 2126-G along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
