English dropdown-ico

Cisco Systems OL-21035-01 manual

1
2
3
4
5
6
7
8
9
10

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Cisco Systems OL-21035-01, 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 Systems OL-21035-01 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 Systems OL-21035-01. 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 Systems OL-21035-01 should contain:
- informations concerning technical data of Cisco Systems OL-21035-01
- name of the manufacturer and a year of construction of the Cisco Systems OL-21035-01 item
- rules of operation, control and maintenance of the Cisco Systems OL-21035-01 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 Systems OL-21035-01 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 Systems OL-21035-01, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Cisco Systems 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 Systems OL-21035-01.

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 Systems OL-21035-01 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

  • Page 1

    CH A P T E R 6-1 Cisco Unified IP Phone Administ ration Guide for Cisc o Unified Communications Man ager 8.0 OL-21035-01 6 Troubleshooting and Maintenance This chapter provi des information that can assist you in tr oubleshooting probl ems with your A T A 187 or with your IP telepho ny netwo rk. It also ex plains ho w to clean and maintain your pho[...]

  • Page 2

    6-2 Cisco Unified IP Phone Administ ration Guide for Cisco Unified Communications Manager 8.0 OL-21035-01 Chapter 6 Troubleshootin g and Maintenance Resolving Startup Problems – Disconnect a functioning p hone from another port and co nnect it to this networ k port to v erify the port is activ e. – Connect the phone t hat will not start up to a[...]

  • Page 3

    6-3 Cisco Unified IP Phone Administ ration Guide for Cisc o Unified Communications Man ager 8.0 OL-21035-01 Chapter 6 Troubleshooting and Maintenance Resolving Startup Problems Verifying DNS Settings If you are using DNS to refer to the TFTP serv er or to Cisco Unif ied Communication s Manager , you must ensure that you hav e specif ied a DN S serv[...]

  • Page 4

    6-4 Cisco Unified IP Phone Administ ration Guide for Cisco Unified Communications Manager 8.0 OL-21035-01 Chapter 6 Troubleshootin g and Maintenance Resolving Startup Problems T o create a ne w conf iguration f ile, follo w these steps: Procedure Step 1 From Cisco Unified Commu nications M anager , choose Device > Phone > Find to locate the p[...]

  • Page 5

    6-5 Cisco Unified IP Phone Administ ration Guide for Cisc o Unified Communications Man ager 8.0 OL-21035-01 Chapter 6 Troubleshooting and Maintenance ATA 187 Resets Unex pectedly ATA 187 Resets Unexpectedly If users report that their phones are resetting du ring calls or while idle on t heir desk, you should in v estigate the cause. If the netw ork[...]

  • Page 6

    6-6 Cisco Unified IP Phone Administ ration Guide for Cisco Unified Communications Manager 8.0 OL-21035-01 Chapter 6 Troubleshootin g and Maintenance ATA 187 Resets Unexpectedly The A T A 187 sends messages w ith request type 151 to ren ew the DHCP address leases. If the DHCP server e xpects messages with request type 150, the le ase will be denied,[...]

  • Page 7

    6-7 Cisco Unified IP Phone Administ ration Guide for Cisc o Unified Communications Man ager 8.0 OL-21035-01 Chapter 6 Troubleshooting and Maintenance Troubleshooting ATA 187 Security Checking Power Connection In most cases, a phone will restart if it po wers up by using e xternal po wer b ut loses that connection and switches to PoE. Similarly , a [...]

  • Page 8

    6-8 Cisco Unified IP Phone Administ ration Guide for Cisco Unified Communications Manager 8.0 OL-21035-01 Chapter 6 Troubleshootin g and Maintenance General Troubleshoo ting Tips Prolonged broadcast stor ms cause phones to reset, or be unable to mak e or answer a call A prolonged Lay er 2 broadcast storm (lasting se veral minutes) on the voice VLAN[...]

  • Page 9

    6-9 Cisco Unified IP Phone Administ ration Guide for Cisc o Unified Communications Man ager 8.0 OL-21035-01 Chapter 6 Troubleshooting and Maintenance Where to Go for More Tro ubleshooting Information Where to Go for More Troubleshooting Information If you ha ve ad ditional questio ns about troubleshoo ting t he A T A 187, se v eral Cisco.com web si[...]

  • Page 10

    6-10 Cisco Unified IP Phone Administ ration Guide for Cisco Unified Communications Manager 8.0 OL-21035-01 Chapter 6 Troubleshootin g and Maintenance Cleaning the ATA 187 • Cisco Products and Services (T echn ical Support and Documentation): http://www .cisco .com/cisco/web/support/in dex.html Cleaning the ATA 187 T o clean your A T A 187, use a [...]