Cisco Systems 7300-6T3 инструкция обслуживания

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

Идти на страницу of

Хорошее руководство по эксплуатации

Законодательство обязывает продавца передать покупателю, вместе с товаром, руководство по эксплуатации Cisco Systems 7300-6T3. Отсутствие инструкции либо неправильная информация, переданная потребителю, составляют основание для рекламации в связи с несоответствием устройства с договором. В законодательстве допускается предоставлении руководства в другой, чем бумажная форме, что, в последнее время, часто используется, предоставляя графическую или электронную форму инструкции Cisco Systems 7300-6T3 или обучающее видео для пользователей. Условием остается четкая и понятная форма.

Что такое руководство?

Слово происходит от латинского "instructio", тоесть привести в порядок. Следовательно в инструкции Cisco Systems 7300-6T3 можно найти описание этапов поведения. Цель инструкции заключается в облегчении запуска, использования оборудования либо выполнения определенной деятельности. Инструкция является набором информации о предмете/услуге, подсказкой.

К сожалению немного пользователей находит время для чтения инструкций Cisco Systems 7300-6T3, и хорошая инструкция позволяет не только узнать ряд дополнительных функций приобретенного устройства, но и позволяет избежать возникновения большинства поломок.

Из чего должно состоять идеальное руководство по эксплуатации?

Прежде всего в инструкции Cisco Systems 7300-6T3 должна находится:
- информация относительно технических данных устройства Cisco Systems 7300-6T3
- название производителя и год производства оборудования Cisco Systems 7300-6T3
- правила обслуживания, настройки и ухода за оборудованием Cisco Systems 7300-6T3
- знаки безопасности и сертификаты, подтверждающие соответствие стандартам

Почему мы не читаем инструкций?

Как правило из-за нехватки времени и уверенности в отдельных функциональностях приобретенных устройств. К сожалению само подсоединение и запуск Cisco Systems 7300-6T3 это слишком мало. Инструкция заключает ряд отдельных указаний, касающихся функциональности, принципов безопасности, способов ухода (даже то, какие средства стоит использовать), возможных поломок Cisco Systems 7300-6T3 и способов решения проблем, возникающих во время использования. И наконец то, в инструкции можно найти адресные данные сайта Cisco Systems, в случае отсутствия эффективности предлагаемых решений. Сейчас очень большой популярностью пользуются инструкции в форме интересных анимаций или видео материалов, которое лучше, чем брошюра воспринимаются пользователем. Такой вид инструкции позволяет пользователю просмотреть весь фильм, не пропуская спецификацию и сложные технические описания Cisco Systems 7300-6T3, как это часто бывает в случае бумажной версии.

Почему стоит читать инструкции?

Прежде всего здесь мы найдем ответы касательно конструкции, возможностей устройства Cisco Systems 7300-6T3, использования отдельных аксессуаров и ряд информации, позволяющей вполне использовать все функции и упрощения.

После удачной покупки оборудования/устройства стоит посвятить несколько минут для ознакомления с каждой частью инструкции Cisco Systems 7300-6T3. Сейчас их старательно готовят или переводят, чтобы они были не только понятными для пользователя, но и чтобы выполняли свою основную информационно-поддерживающую функцию.

Содержание руководства

  • Страница 1

    Corporate He adquarters Cisc o Syst ems , Inc . 170 West Ta sman Drive San Jos e, CA 95 134-1706 USA http://www.ci sco.com Tel: 408 526-4000 800 553- NETS (638 7) Fax: 408 526-4100 Clear Channel 6-P or t T3 (DS3) Line Card Installation and C onf iguration Pr oduct Numbe rs: 730 0-6T3 Platform Suppor ted: Cisco 7304 Text Pa rt Nu mber: OL-3449- 02[...]

  • Страница 2

    THE SPECIFICATIONS AND INFORMATION REG ARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOU T NOTICE. ALL STATEMENT S, INFORMATI ON, AND RECOMMENDA TIONS IN T HIS MANUAL ARE BELIEVED TO BE ACCURATE BU T ARE PRESEN TED WITHOUT WARRANTY OF ANY KIND, EXPRE SS OR IMPLIED. USERS MUST TAKE FULL RESPON SIBILITY FOR THEIR AP PLICATION OF ANY PRO[...]

  • Страница 3

    iii Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 CONTENTS Preface vi i Object ives vii Organi zation vi i Relat ed D ocum ent atio n vii i Obtain ing Docu mentati on vii i Cisco. com viii Document ation C D-ROM ix Orderi ng Documenta tion ix Document ation F eedback ix Obtain ing Tec hnical As sistanc e x Cisco.[...]

  • Страница 4

    Cont ent s iv Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Softw are and Har dwa re Re quir emen ts 2-2 75-O hm In-Li ne C oaxial Atte nuator (Opt ional) 2-2 Safe ty Guid elines 2-2 Safe ty War nings 2-2 Warni ng Defi nition 2-3 Electr ical Eq uipment Gui deline s 2-7 Teleph one Wiri ng Gu ideli nes 2-8 Preven t[...]

  • Страница 5

    Content s v Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Using the sh ow di ag C om mand 4-12 Using the sh ow in terf ace s Com ma nd 4-13 DS3 Alarm and Event Dete ction 4-14 Using th e ping Co mma nd to Verify Ne twork Co nnectiv ity 4-15 Using lo opbac k Commands 4-15 Bit Erro r Rat e Te stin g 4-1 7 CLI-Co nt[...]

  • Страница 6

    Cont ent s vi Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02[...]

  • Страница 7

    vii Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Preface This pr efa ce d escri b es t he ob j ectives and o rganiza tio n of th is do cu me nt a nd expla ins h ow to find additional info rmation on related prod ucts and services. This pref ace contains the fo llowin g sections: • Obje cti v es, pa ge vii • [...]

  • Страница 8

    viii Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Preface Related Documenta tion Related Documentation Y our router an d the Cisco I OS software ru nnin g on it contain extensive features and func tional ity , which are do cu me nt ed in t he f ol lowin g r es ource s: • Cisco IOS software: For configurat ion [...]

  • Страница 9

    ix Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Pre face Ob ta ining Documentation Internatio nal Cisco website s can be accessed from t his URL: http://www .cisco.com/pub lic/countries_la nguages.shtml Documenta tion C D-ROM Cisco documentati on and additio nal literature are a v ailable in a Cisco Documentatio[...]

  • Страница 10

    x Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Preface Obtain in g Technical Assis ta nce Obtaining Tech nical Ass istanc e Cisco provid es Ci sco.c om , w hich i ncl udes the Cisc o T ech ni cal A ssist anc e Ce nter (T A C) w ebsit e, a s a sta rting point for all techni cal assis tanc e. Cus tomer s and pa rt[...]

  • Страница 11

    xi Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Pre face Ob ta ining Additional Publications and Information Cisco TAC Website The Ci sco T AC website provides onl ine d ocument s an d tools t o help trouble shoot and re solve techn ical issues with Cisco products and technologie s. T o access the Cisco T A C we[...]

  • Страница 12

    xii Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Preface Obtainin g Addi ti ona l Publicat io ns and Info rmatio n • P a cket magazine is the Cisco qua rterly pub licatio n that provides t he latest networ king trend s, technol ogy breakthr oughs, an d Cisco produ cts and sol utions to help industry pr ofessio[...]

  • Страница 13

    C HAPTER 1-1 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 1 Overview This chapte r describes the 6T3 line card and con tains the follo wing sections: • Line Car d Overview , page 1-1 • Feat ures , page 1- 2 • Intero pera bil ity Gui del ine s f or 6T3 L ine Car d D SU s, page 1 -3 • LEDs, pa ge 1-3 • T[...]

  • Страница 14

    1-2 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Ch ap ter 1 Ov er vi ew Feature s Features The 6T3 line card pro vides the follo wing features: • Single-wi de l ine ca rd for the Cisco 73 04 rout er • Full-dupl ex synchronous seri al DS3 interfa ce • High-Le vel Data Link Con trol (HDLC) data • Integrat[...]

  • Страница 15

    1-3 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 1 Overview Interoperability Guidelines for 6T3 Line Card DSUs Interoperability Guidelines for 6T3 Line Card DSUs The 6T3 line card sup ports several types of integrated da ta service units (DSUs) . Ta b l e 1 - 1 lists the feature compatibilitie s of 6T3 l[...]

  • Страница 16

    1-4 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Ch ap ter 1 Ov er vi ew T3 SMB Cables The follo wing conditions must all be met before the 6T3 line car d is enabled: • The 6T3 line card is corr ectly connecte d and recei ving po wer . • The Networ k Service s Engi ne 100 (NSE- 100) recog nizes t he 6T3 lin [...]

  • Страница 17

    1-5 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 1 Overview T3 SMB Cables Figur e 1 -3 T3 SMB Cable s (SMB T er minat es int o BNC) Note Electromagnetic co mpliance (EMC) was v erif ied with the 10-foot ( 3.048 meters) shielded cabl es that are or de rabl e t hr ough Ci sco. W e re co mme nd tha t you u [...]

  • Страница 18

    1-6 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Ch ap ter 1 Ov er vi ew T3 SMB Cables After you connec t the cables to a conf igured port on the line card, it takes up to 35 seconds to initial ize the line card and light the green LN K LED. Ordering Cable s Y o u must orde r cable s separat ely with th e 6T3 li[...]

  • Страница 19

    1-7 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 1 Overview Managem ent I nformati on Base Cautio n Cisco assumes no responsibility for system operation with othe r than Cisco-supplied adapter ca bles. The custome r is responsible for ensurin g that any custom er-b uilt cables meet al l of th e applica b[...]

  • Страница 20

    1-8 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Ch ap ter 1 Ov er vi ew Line Card Slot Loc ations on the Supported Pla tform Cisco 7304 R outer Slot Numbe ring Figure 1-5 sh ows a Cisco 7304 wit h t he ne twork se rvi ces engi ne (N SE) inst alle d in slot s 0 a nd 1 a nd line cards inst a lled in sl ot s 2 thr[...]

  • Страница 21

    1-9 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 1 Overview Identifying Interface Addresses Identifying Interface Addresses This sec tion d escribes h ow to identify inter face addres ses for the 6 T3 line c ard in the Cisco 7304 ro uter . Inter face addres ses sp ecify th e actu al phys ical loc ation o[...]

  • Страница 22

    1-10 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Ch ap ter 1 Ov er vi ew Identi fy in g Interfac e Addre sses[...]

  • Страница 23

    C HAPTER 2-1 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 2 Preparing for Installation This chap ter describes t he general equip ment, safety , and site pre paration requir ements for insta lling the 6T3 lin e card. Th is chapter co ntains the follo wing sec tions: • Required T ools and Equ ipment, page 2-1 ?[...]

  • Страница 24

    2-2 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 2 Preparing for Installation Software an d Hardw are Requ ire ments Software and Hardware Requirements Ta b l e 2 - 1 lists the recomm ended minimum Cisco IOS soft ware relea se required to use the 6-por t 6T3 line card in the 730 4 router platfor m. 75-Oh[...]

  • Страница 25

    2-3 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 2 Preparing fo r Inst allation Safety Gu ideli nes Warning Definition War ni n g IMPORT ANT SAFE TY INSTRUC TIONS This warning symbol means danger . Y ou are in a situation that could cause bodily injury. Before you work on any equipment, be aware o f the [...]

  • Страница 26

    2-4 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 2 Preparing for Installation Safety Guideli nes Attention IMPORTANTES IN FORM A TIONS DE SÉ CU RI TÉ Ce symbole d'avertissement indique un danger . V ous vous trouvez dans une situation pouvant causer des blessures ou des dommages corpo rels. Avant [...]

  • Страница 27

    2-5 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 2 Preparing fo r Inst allation Safety Gu ideli nes Adva rsel VIKTIGE S IKKERHETSI NSTRUKSJO NER Dette varselssymbolet bety r fare. Du befinner deg i en situasjon som kan forårsake personskade. Før du utfører arbeid med utstyret, bør du være oppm erkso[...]

  • Страница 28

    2-6 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 2 Preparing for Installation Safety Guideli nes[...]

  • Страница 29

    2-7 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 2 Preparing fo r Inst allation Safety Gu ideli nes Electrical Equipmen t Guideline s Foll ow these basic guidelines when wo rking with an y electrical equ ipment: • Before begin ning an y proc edure re quiring ac cess to the ch assis inter ior , locate t[...]

  • Страница 30

    2-8 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 2 Preparing for Installation Safety Guideli nes • Do not perfor m an y action that cre ate s a potentia l ha zar d to people or mak es the equipmen t unsaf e; caref ully exami ne y our work ar ea for po ssibl e haz ards s uc h a s moist fl oors, ung rou [...]

  • Страница 31

    C HAPTER 3-1 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 3 Removing and Installing Line Ca rds This chap ter describes ho w to remo ve the 6T3 line card fr om supported platforms a nd also ho w to install a new or r epla cem e nt li ne ca rd. T hi s c hapt er co ntai n s th e f oll owing sec ti ons: • Install[...]

  • Страница 32

    3-2 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 3 Removing and Installing Line Cards Handling L ine Cards Handling Lin e Cards Cautio n Always hand le the l ine c ard by t he ca rri er e dges and h an dle; never touch the li ne c ard co mp one nts or connec tor pins. (See Figure 3 -1 .) Figur e 3-1 Hand[...]

  • Страница 33

    3-3 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 3 Removing and Installing Li ne Cards Warnin gs and Cauti ons Warnings an d Cau tions Observ e the follo wing warnings and cautio ns when installing or re moving line car ds. Cautio n Do not slid e a line card a ll the wa y into the slot unt il you ha ve c[...]

  • Страница 34

    3-4 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 3 Removing and Installing Line Cards Line Card Re m ov al and Inst al lation Cisco 7304—Removing and Installing a Line Card 1. To remove the line card, loosen the locking thumbscrews on both sides of the line card. 2. Pull out the line card levers and ca[...]

  • Страница 35

    3-5 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 3 Removing and Installing Li ne Cards Conne ctin g a T3 SM B C ab le Connecting a T3 SMB Cable On a 6T3 line ca rd, you ca n use six T 3 SM B ca ble s ( one for eac h T3 l ink) . Each T3 l ink require s separ ate rece i ve and tran smit connec tions t o yo[...]

  • Страница 36

    3-6 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 3 Removing and Installing Line Cards Connecti ng a T 3 SMB Cab le[...]

  • Страница 37

    C HAPTER 4-1 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 4 Configuring the 6T3 Line Card T o c on tinue yo ur 6T3 lin e ca rd inst al lation, y ou must configur e t he se ria l int erfac e s. This chap ter cont ains the foll ow ing section s: • Using th e EXEC C ommand Int erpre ter , page 4-1 • Conf igurin[...]

  • Страница 38

    4-2 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuring the 6T3 Line Card Configur ing the Interfac es Configuring the Interfaces After you v erify that the ne w 6 T3 line card is installed corre ctly (the ST A TUS LED goes on), use the privileged-l evel configur e comman d to conf igure the ne w [...]

  • Страница 39

    4-3 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuri ng the 6T3 L ine Card Configuring the Interfaces When you have f inished, press Ctrl-Z — hold down the Con trol key while you pre ss Z — or enter end or exi t to exit conf iguration mode and return to the EXE C command interpr eter . Note I[...]

  • Страница 40

    4-4 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuring the 6T3 Line Card Configur ing the Interfac es Step 6 Reenable interf aces by doing th e follo wing: a. Repea t Step 3 to reen able an interf ace. Substitut e the no shutdo wn comman d for the shutdown comm and. b. Repeat Ste p 4 to write the[...]

  • Страница 41

    4-5 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuri ng the 6T3 L ine Card Configuring the Interfaces Step 5 Reenable the inte rface s using the no shutdo wn co mmand. (See the “ Shutting D own an Interface ” section on page 4-2 .) Step 6 Configure all ad ditional line card inter faces as req[...]

  • Страница 42

    4-6 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuring the 6T3 Line Card Configur ing the Interfac es Customizing the 6T3 Line Card Configuration There a re two sid es to the networ k, a lo cal ne twork side and a remote custom er side , or ne ar and fa r ends. The 6T3 line card supports thir d-p[...]

  • Страница 43

    4-7 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuri ng the 6T3 L ine Card Configuring the Interfaces Setting the Sending and Receiving R ate The loc al and r em ote DS 3 port s m ust a lso agr e e on w heth er t o use a s ubr ate or f ul lra te sen ding a nd receiving ra te, b ecause the sp eed [...]

  • Страница 44

    4-8 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuring the 6T3 Line Card Configur ing the Interfac es CRC is an error-checking technique that uses a calculated num eric value to detect errors in transmitted data. All inter faces use a 16-bit CRC (CRC-CITT) by def ault b ut also support a 32-bit C[...]

  • Страница 45

    4-9 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuri ng the 6T3 L ine Card Check ing the C onfigu ration adtran for connect ion from a 6T3 line card to an Adtra n DSU. Specify digital-link for conn ection to a Digital Link DSU (DL310 0). Spec ify ken trox for connec tion fro m a 6T3 line card to [...]

  • Страница 46

    4-10 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuring the 6T3 Line Card Checking the Co nfigurat ion Using show Commands to Verify the New Interface Status Ta b l e 4 - 7 demonstra te s how you c a n us e the show commands to v erify t hat n e w interf aces are configured and o perat ing cor re[...]

  • Страница 47

    4-11 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuri ng the 6T3 L ine Card Check ing the C onfigu ration Choose th e subsect i on ap propria te for yo ur syst em . Proc eed to the “ Usin g t he ping Co mman d to V erify Network Conn ectivity ” se cti on on pa ge 4-15 wh en yo u have finished[...]

  • Страница 48

    4-12 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuring the 6T3 Line Card Checking the Co nfigurat ion Using the show diag Command Display th e types of line cards installe d in your syst em (and specif ic information about e ach) using the show diag sl ot command. Note Th e outp ut s tha t a pp [...]

  • Страница 49

    4-13 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuri ng the 6T3 L ine Card Check ing the C onfigu ration Using the show interface s Command The show i nterfa ces command d ispl ays sta tus in for mat ion ( inc ludi ng the p hysical slo t an d int erface addres s) for the inter faces y ou specify[...]

  • Страница 50

    4-14 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuring the 6T3 Line Card Checking the Co nfigurat ion DS3 Alarm and E vent Detection This section assumes that you are f amiliar with DS3 alar ms and line state s. The 6T3 line car d does not have an LE D for alarm and event detecti on. Howev er , [...]

  • Страница 51

    4-15 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuri ng the 6T3 L ine Card Check ing the C onfigu ration Using the ping Command to Verify Network Connectivity Usin g th e ping command, you can v erify that an interface port is functioning pro perly . This section pro vides a br ief des cript ion[...]

  • Страница 52

    4-16 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuring the 6T3 Line Card Checking the Co nfigurat ion Figure 4-1 sh ows the d ata f low for thre e l oo pback c onfigura tion p ath s, in clu ding no loop ba ck . Figur e 4-1 DS3 Loo pback P aths loopback network payload Sets the interf ace into ne[...]

  • Страница 53

    4-17 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuri ng the 6T3 L ine Card CLI-Controlled OIR Bit Error Rate Testing The ratio of rece ived bits o n an int erface tha t cont ain e rrors i s ca lled th e bi t error rate (BER) . A b it er ror rate te st (BER T) is used to check the BER. T3 bit er [...]

  • Страница 54

    4-18 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02 Chapter 4 Configuring the 6T3 Line Card Line Card Crash Reco very The fo llowing messa ges ar e asso ciat ed wi th line card recovery: Error Message 00:00:06:% LC-3-RECOVERY: Line card ( slot <x>) recovery in progress Error Message 00:00:06:% LC-3-EXCESSERR[...]