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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of 3Com DUA1771-0AAA01, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of 3Com DUA1771-0AAA01 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of 3Com DUA1771-0AAA01. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
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First and foremost, an user manual of 3Com DUA1771-0AAA01 should contain:
- informations concerning technical data of 3Com DUA1771-0AAA01
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- safety signs and mark certificates which confirm compatibility with appropriate standards
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Why one should read the manuals?
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After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
The 100 0BASE-SX Mod ule (3C1 7710) prov ides y our Sup erS tac k ® 3 S w it ch 4900 se ries w it h full dupl ex, four wir e spee d Gigabit Et hernet fib er opti c ports. This a l l ows you t o prov ide con nectivi ty bet w e en the Switc h and r emote wo rkgroups or to c reate a h igh capa city aggre - gate d link backbone conne ction . The M odu[...]
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Page 2
WARNING : Ins tallat ion and rem oval of t he Module must be carri ed out by qual ified pe rsonnel onl y . Bef ore ins tall in g th e Mo dul e in to a uni t, y ou m ust fi rst disc onnect t he unit fr om the mai ns power s upply . F or fu ll sa fety i nstr ucti ons, refer to the use r guide tha t accom panie s the uni t. A VER TISSEMENT : Confie z [...]
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Page 3
Install ing the Module into a Switch CAUTION: This M odule is no t hot-ins ertable or hot- swappabl e. Always m ake sure t hat the Switch i s powe red down and di sconnecte d from the mai ns befo re inst alling or removi ng a Modul e. Use t he follo w i ng inst ruct ions when install ing or re m ov ing a Modul e. CAUTION: T his Module i s only desi[...]
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Page 4
When t he Module is insta lled you can co nf i gure i t thro ugh yo ur S witch . Re fer t o the S up erS tac k ® 3 Switc h Imple mentation Gu ide and t he Management Inte r f ace Refer ence Guide su pplie d with yo ur Switch f or mor e info rm ation . When u sing the M odule, not e the fo l l owing: The por ts onl y operate a t 1000 Mbps. The por [...]
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Page 5
Th e SuperS tack ® 3 Swi tch 490 0 Series 10 00BASE-S X Modul e has be en designed t o the f ollowing s tandar ds: Environm ental Physical FCC S tateme nt This equipmen t h as b e en tested and found to comply with the limits for a Cl ass A di gital device, pursuant to part 15 o f the FCC rule s. These lim its ar e des igned t o pr ovide r easona [...]
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Page 6
This warranty applies to customers located in the United States, Aus tralia, Canada (except Quebec), Ireland, Ne w Zealand, U.K., and other English language countries, and countries for which a translation into the loca l language is not provide d Sup erStack ® 3 Switch 4900 Series 10 00BASE-SX Module (3C1771 0) Hardw are 3C om wa rran ts to the e[...]
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Page 7
Th e f o llowing num bers ma y be used for techni cal suppor t: © 3 Com T echno log ies, 2000. All rights reserved. No part of this doc ument ati on may b e re prod uce d in any form or by any mean s or use d to make any derivati ve work (such as translatio n, transformation, or adaptation ) without permission from 3Com T echnologie s. 3Com T e ch[...]
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Page 8
General Envir o nmental Statement It i s the poli cy of 3Com Corp oration t o be envi ronmen - tal ly-friend ly in a l l ope rati ons. T o uphold ou r po licy , w e ar e commi tted t o: Esta blishin g envir onment al perfor mance st andar ds that comply wi th nationa l legis lation an d regu lations Con serving e nergy , m a terial s and na tural r[...]