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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Cisco 877, 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 877 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 877. 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 877 should contain:
- informations concerning technical data of Cisco 877
- name of the manufacturer and a year of construction of the Cisco 877 item
- rules of operation, control and maintenance of the Cisco 877 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 877 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 877, 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 877.
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 877 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
. Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 1 of 1 Cisco 8 70 Serie s Inte grate d Services Ro uters for Small Offices The Cisco ® 870 Series Integrated Se rvices Routers extend the high-perform ance Cisco Integrated Services Router capabiliti es of running secure conc urrent ser[...]
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Page 2
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 2 of 13 Figure 1. Cisco 871 Integrated Services Router Table 1 lis ts the rou ters that currently m ake up th e Cisco 870 Series . Table 1. Cisco 870 Series Models Models WAN Interfac e LAN Int erfaces 802.11b/g Option Integrated ISDN Dial[...]
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Page 3
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 3 of 13 Figure 2. Deployment Scenarios A pplications The Cisco 87 0 Series i s ideal ly suited to be dep loyed where a sm all offic e is go ing to be connec ted to a larger network, most often with a s ecure VPN co nnectio n. These types o[...]
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Page 4
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 4 of 13 ● Remote Call Cente r Agent : Similar t o teleworking applica tions, t his sol ution extends the Cisco IP Contact Center sol ution for telephon e call c enter ag ents to re mote si tes. W ith a h igh-qual ity, secure connec tion [...]
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Page 5
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 5 of 13 Figure 3. Cisco SDM Summary Cisco 87 0 Series i ntegrated service ro uters co mbine i ncrease d network perform ance with ad vanced se curity to all ow small office c ustome rs to get t he most from thei r broadba nd conne ctions .[...]
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Page 6
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 6 of 13 Feature Description DSL and A TM Features (DSL Models Only ) ● ATM Variable Bit Rate/r eal-time (VBR-rt) ● ATM Unspecified Bit Rate (UBR), Constant Bit Rate (CBR), an d Variable Bit Rate/non-r eal-time (VBR-nrt) ● ATM Operati[...]
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Page 7
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 7 of 13 Table 4. Cisco IOS S oftware Feature s on Cisco 870 Series Routers-WLAN Features (Available with W ireless Option) Feature Description WLAN Hardware ● 802.11b/g ● Automatic rate selection f or 802.11b/g ● RP-TNC connectors fo[...]
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Page 8
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 8 of 13 Feature De scription IPv6 Fe atures ● IPv6 addr essing architecture ● IPv6 name reso lution ● IPv6 statistics ● IPv6 tran slation-transport packets between I Pv6-only and IPv4- only e ndpoints ● ICM Pv6 ● IPv6 DHCP QoS [...]
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Page 9
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 9 of 13 Feature Specificati on LEDs PPP, VPN, ADSL, G.SHDSL, W LAN, LAN External Pow er Supply Universal 100 to 240 VAC Inline PoE Optional ex ternal adapte r for inline PoE for I P phones or ex ternal w ireless access points DSL Specifica[...]
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Page 10
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 10 of 13 Feature Specificati on Physical Dimensions and W eight Product dimens ions: ● H x W x D = 2.00 x 10.25 x 8.50 in. (5 0.8 mm x 260.4 mm x 215.9 .9 mm) (nonwireless models) ● H x W x D = 2.00 x 10.25 x 9.13 in. (5 0.8 mm x 260.4[...]
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Page 11
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 11 of 13 DSLA M Int eroperability Table 8 lis ts the Cis co sup ported DSLAMs (Digital Subscri ber Line Access Multiplexer) for the Cisc o 870. Table 8. DSLAM Interoperability DSLAM Siemens XpressLin k 2.1 ECI Hi-Focus ADSL ISDN ADSL ISDN [...]
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Page 12
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 12 of 13 Part Number Product CISCO877-K9 C isco 877 ADSL Router CISCO877-M -K9 Cisco 877 ADSL Router w ith Annex M (exce pt UK Mask) CISCO877-SEC-K9 Cisco 877 Security Bun dle with Advanced IP Services CISCO877W-G-A-K9 Cisco 877 ADSL W ire[...]
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Page 13
Data Sheet © 2009 Cisco Sy stems, Inc. All rights r eserved. This document is Cisco Public I nformation. Page 13 of 13 Printed i n USA C78-374756- 06 10/09[...]