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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Cisco 857, 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.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Cisco 857 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 Cisco 857. 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.
What should a perfect user manual contain?
First and foremost, an user manual of Cisco 857 should contain:
- informations concerning technical data of Cisco 857
- name of the manufacturer and a year of construction of the Cisco 857 item
- rules of operation, control and maintenance of the Cisco 857 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Cisco 857 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Cisco 857, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Cisco service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Cisco 857.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Cisco 857 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
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
All contents are Copyright © 1992–2005 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Page 1 of 10 Data Sheet Cisco 850 Series Integrated Serv ices Routers for Small Offices The Cisco ® 850 Series of secure broa dband and w irele ss routers is part of the Cisc o Integrated Se rvices Router portfolio. Designed [...]
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Page 2
© 2005 Cisco Systems , Inc. All rights reserved. Important notices , privacy statements , and trademarks of Cisco System s, I nc. can be found on cisc o.com. Page 2 of 11 Table 1 lists the rou ters that currently make up th e Cisco 850 Series. Table 1. Cisco 85 0 Series Models Models WAN Interf ace LA N Interface s 802.11b/g Cisco 851 10/100 Mbps [...]
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Page 3
© 2005 Cisco Systems , Inc. All rights reserved. Important notices , privacy statements , and trademarks of Cisco System s, I nc. can be found on cisc o.com. Page 3 of 11 APPLICA TIONS Cisco 850 Series routers are ideally suited for small off ice and remote office deploym ents. IT ma nagers can centrally m anage the remote site to quickly troubles[...]
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Page 4
© 2005 Cisco Systems , Inc. All rights reserved. Important notices , privacy statements , and trademarks of Cisco System s, I nc. can be found on cisc o.com. Page 4 of 11 Figure 3. Cisco SDM SUMMARY Cisco 850 Series integrated service routers combine support for DSL or cable connection s, secure connectivity with Stateful Firewall and VPN support,[...]
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© 2005 Cisco Systems , Inc. All rights reserved. Important notices , privacy statements , and trademarks of Cisco System s, I nc. can be found on cisc o.com. Page 5 of 11 PRODUCT SPECIFICATIONS Tables 3 and 4 list software and hard ware f eatures of Cisco 850 S eries routers. Table 3. Software Features of the Cis co 850 Series Feature Description [...]
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© 2005 Cisco Systems , Inc. All rights reserved. Important notices , privacy statements , and trademarks of Cisco System s, I nc. can be found on cisc o.com. Page 6 of 11 Feature Description Management Features • Cisco SDM • Cisco Configuration Expre ss • Cisco CNS 2100 Intelligence Engine support • DSL firmware update from Flash • Cisco[...]
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Page 7
© 2005 Cisco Systems , Inc. All rights reserved. Important notices , privacy statements , and trademarks of Cisco System s, I nc. can be found on cisc o.com. Page 7 of 11 Feature Description Default DRA M 64 MB Maximum DRA M 64 MB Default Flash Memory 20 MB Maximum Flash Memory 20 MB WAN • Cisco 851: 100 MB Ethernet • Cisco 857: ADSL over anal[...]
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Page 8
© 2005 Cisco Systems , Inc. All rights reserved. Important notices , privacy statements , and trademarks of Cisco System s, I nc. can be found on cisc o.com. Page 8 of 11 Feature Description Immunity • IEC 61000-4-2:1995 Imm unity to Elec trostatic Disc harges • IEC 61000-4-3:1995 Imm unity to Radio Frequency Electromagnetic Fields • IEC 610[...]
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Page 9
© 2005 Cisco Systems , Inc. All rights reserved. Important notices , privacy statements , and trademarks of Cisco System s, I nc. can be found on cisc o.com. Page 9 of 11 Feature Description • Nonopera ting altitude: 0 to 15,000 ft (0 to 4570m) • Operating temperature: 32 to 104°F (0 to 40°C) • Operating humidity: 10 to 85 percent relative[...]
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Page 10
© 2005 Cisco Systems , Inc. All rights reserved. Important notices , privacy statements , and trademarks of Cisco System s, I nc. can be found on cisc o.com. Page 10 of 11 Corpo rate Head quar ters Cisco System s, Inc. 170 West Tasman Drive San Jose, CA 9513 4-1706 USA ww w.cisco.com Tel: 4 08 5 26-400 0 800 5 53-NETS (638 7) Fax: 408 5 26-41 00 E[...]
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Page 11
© 2005 Cisco Systems , Inc. All rights reserved. Important notices , privacy statements , and trademarks of Cisco System s, I nc. can be found on cisc o.com. Page 11 of 11[...]