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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of 3D Connexion OL-6415-03, 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 3D Connexion OL-6415-03 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 3D Connexion OL-6415-03. 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 3D Connexion OL-6415-03 should contain:
- informations concerning technical data of 3D Connexion OL-6415-03
- name of the manufacturer and a year of construction of the 3D Connexion OL-6415-03 item
- rules of operation, control and maintenance of the 3D Connexion OL-6415-03 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 3D Connexion OL-6415-03 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 3D Connexion OL-6415-03, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the 3D Connexion 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 3D Connexion OL-6415-03.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the 3D Connexion OL-6415-03 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
CHAPTER 7-1 Cisco Wireless Router and HWIC Configuration Guide OL-6415-03 7 Configuring QoS on an Access Point This chapter describes how to conf igure quality of service (QoS) on an access point. QoS provides preferential treatment to certain traff ic at the expense of other traf f ic. Without QoS, the access point of fers best-effort service to e[...]
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Page 2
7-2 Cisco Wireless Router and HWIC Configuration Guide OL-6415-03 Chapter 7 Configuring QoS on an Access Point Understanding QoS for Wireless LANs • Does not construct internal DSCP values; it only supports mapping by assigning IP DSCP , precedence, or protocol values to Layer 2 CoS v alues. T able 7-1 lists the class of service (CoS) values as t[...]
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7-3 Cisco Wireless Router and HWIC Configuration Guide OL-6415-03 Chapter 7 Configuring QoS on an Access Point Configuration Guidelines Figur e 7 -1 Upstr eam and Downstr eam T raf fic Flow Precedence of QoS Settings When you enable QoS, the access point queues packets based on the CoS v alue for each packet. If a packet matches one of the f ilter[...]
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7-4 Cisco Wireless Router and HWIC Configuration Guide OL-6415-03 Chapter 7 Configuring QoS on an Access Point Configuration Guidelines In addition, a Cisco access point uses Access Control Lists for forwarding or blocking packets on selecti ve basis, as designated by the user for the purpose of: • Providing QoS for V oice-ov er-IP (V oIP) phones[...]
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Page 5
7-5 Cisco Wireless Router and HWIC Configuration Guide OL-6415-03 Chapter 7 Configuring QoS on an Access Point Configuration Guidelines Cisco Wireless IP Phone 7920 Support The W ireless IP Phone 7920 phone uses Cisco CDP message with Appliance VLAN-ID TL V to inform the access point of its presence. The access point intercepts the CDP messages sen[...]
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7-6 Cisco Wireless Router and HWIC Configuration Guide OL-6415-03 Chapter 7 Configuring QoS on an Access Point Configuration Guidelines Ethernet Interface Transmit Queue Since the Ethernet interface alw ays has a larger bandwidth than radio interface, there is no need to maintain priority queues for Ethernet interface. There will be only one transm[...]
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Page 7
7-7 Cisco Wireless Router and HWIC Configuration Guide OL-6415-03 Chapter 7 Configuring QoS on an Access Point Configuration Guidelines The radio interface supports the follo wing access lists: • <1 - 99> IP standard access list • <100 - 199> IP extended access list • <700- 799> MA C address access list • <200 - 299>[...]
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7-8 Cisco Wireless Router and HWIC Configuration Guide OL-6415-03 Chapter 7 Configuring QoS on an Access Point End User Interface End User Interface The 802.1Q user_priority maps to radio transmit priority queues automatically . VLAN default user_priority value must be e xplicitly assigned through the command line interface (CLI), or the default va[...]
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7-9 Cisco Wireless Router and HWIC Configuration Guide OL-6415-03 Chapter 7 Configuring QoS on an Access Point End User Interface Apply Layer 2 Acess Control List To Packet Received/Sent Use the l2-f ilter bridge-group-acl conf iguration interface command to apply a Layer 2 access control list (A CL) f ilter to the bridge group incoming and outgoin[...]
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7-10 Cisco Wireless Router and HWIC Configuration Guide OL-6415-03 Chapter 7 Configuring QoS on an Access Point End User Interface[...]