3Com CS/2500 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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116

Идти на страницу of

Хорошее руководство по эксплуатации

Законодательство обязывает продавца передать покупателю, вместе с товаром, руководство по эксплуатации 3Com CS/2500. 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 3Com CS/2500 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 3Com CS/2500 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 3Com CS/2500, 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 3Com CS/2500 должна находится:
- информация относительно технических данных устройства 3Com CS/2500
- название производителя и год производства оборудования 3Com CS/2500
- правила обслуживания, настройки и ухода за оборудованием 3Com CS/2500
- 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 3Com CS/2500 это слишком мало. Инструкция заключает ряд отдельных указаний, касающихся функциональности, принципов безопасности, способов ухода (даже то, какие средства стоит использовать), возможных поломок 3Com CS/2500 и способов решения проблем, возникающих во время использования. И наконец то, в инструкции можно найти адресные данные сайта 3Com, 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 3Com CS/2500, как это часто бывает в случае бумажной версии.

Почему стоит читать инструкции?

Прежде всего здесь мы найдем ответы касательно конструкции, возможностей устройства 3Com CS/2500, 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 3Com CS/2500. 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

    ® CS/2500 S ER IE S C OM MUNICA TI ONS S ER VER I NS TAL L A TI ON G UI D E Part No. 09-0 263- 001 Published D ecem ber 1995 CS2500BookF i le : F ront M a tt e r P a ge i T hurs da y, D e c em be r 11, 1997 10:44 AM[...]

  • Страница 2

    ii 3Com Corporation ■ 5400 Bayfr ont Plaza ■ Santa Clara, California ■ 95052-8145 © 3Com C or por at i on, 1 995. All ri ght s reser ve d. N o par t of t hi s document a ti on m a y be r e produce d in an y for m or by any m eans or u s ed to make any der i vat i ve w or k (s uch as tr a nsl ation, t r ansf or mation, or adaptation) without [...]

  • Страница 3

    iii Shiel ded C abl es Conne ction s b et we en 3 Com equ ipmen t and other equ ip men t a nd per i pher al s m us t be m a de using shi elded ca bl es i n or der to m ai nt ai n com pl ia nce with FCC, and other agency, electromagne t ic f r equency e mi s si ons l i m i t s. Federa l C om m uni c ations C om m i ssion Notice This e qui pm e nt ha[...]

  • Страница 4

    iv CS2500BookF i l e : FrontMat t e r Page i v T hursday, December 11, 1997 10:44 AM[...]

  • Страница 5

    v C ONTE N TS A B O U T T H I S G U I DE I nt roduction 1 Audie nce 1 Convent i ons 1 1 O V E R V I EW Fea t ures 1-1 S of tw are Co mpat ib i li ty 1-2 Cha s si s 1 -3 H ar dw ar e I nte r rupt Switch 1-4 C over 1- 4 Fr ont Panel 1-4 L EDs 1-5 R es et S w i tc h 1- 6 C S/ 2600 I nt er nal D i skette Dri ve 1-6 Back Panel 1-6 Se ria l I/ O C o nn e[...]

  • Страница 6

    vi 2 I N S TA L L A T ION Pr eparat i on 2- 1 M ount ing t he Ser ver 2-2 Mount i ng on a Table 2- 2 Mount i ng i n a Rack 2- 2 Mount i ng on the Wall 2- 4 C ab l ing the Ser v er to the N e two rk 2- 4 C abl i ng H os ts , Ter m ina ls , and Modems 2- 4 A t ta c hing R S- 232 a nd RS-422 Serial Cabl es 2- 5 Cabling a C onsole 2- 5 Attachi ng a Tr [...]

  • Страница 7

    vii A ut o-Reboot 4- 6 Moni tor 4-6 Ini t i al B oot S ource 4- 7 N um ber of R eboot s 4-7 N etwork B oot St ri ng 4-7 B o ot R e tr ies 4 - 8 B oot P r ot ocol 4-8 U s ing TFT P 4- 9 Pri nt er S et up Me nu 4-11 Syst em D ef aul t Configuration Menu 4-12 Em ul at i ng a C S /2000 or C S/ 2100 4- 12 Changi ng Por t Confi gur at i on 4- 13 5 M AI N[...]

  • Страница 8

    viii A P IN A S SI G NM E NT S RS-232 Serial Ports A-1 R S- 422 Opera t ion A-3 Tr anscei ver Co nnector A - 4 Parallel Print er Port A- 5 B S T A R TU P M ES SA GE S C M O NI T OR U TI L I TY Ent er ing t he Moni tor C-1 C onf igur i ng Fi rm w ar e to A c ce ss t he M oni t or C-2 At Sta rt u p C- 2 If t he Ser ver Becom e s Nonfunctional C-2 Usi[...]

  • Страница 9

    ix D T E C H N IC A L S U P P O R T O n- l ine Techni cal Servi ces D-1 3C om B ul l et i n B oa rd Service D-1 A c ce ss by Modem D -1 A cce ss by I SDN D- 2 Worl d Wide Web Si t e D - 2 T hr eeComFor um on CompuSe r ve D-2 3C omF act s Automate d Fax Service D-3 Suppor t fr om Your N etwork Suppl i er D -3 Suppor t fr om 3C om D-4 Ret ur ning Pro[...]

  • Страница 10

    x CS2500BookF i l e : CS2500BookF i l e T O C Page x T hursday, December 11, 1997 10:44 AM[...]

  • Страница 11

    xi F I G URES 1- 1 CS/2500 and CS/2600 Comm uni c at i ons Serve r s 1- 1 1- 2 CS/2500 Series Encl os ure 1-3 1- 3 CS/2500 Front Panel 1-5 1- 4 CS/2600 Front Panel 1-5 1- 5 CS/2500 and CS/2600 Back P a nel 1-7 1- 6 Power Suppl y Modul e 1- 10 2- 1 Mounti ng in a Rack 2- 3 2- 2 Console Port Cabl e A t t achm e nt 2- 6 2- 3 Pr int er P ort C abli ng [...]

  • Страница 12

    xii T ABL ES 1 Noti c e Icons 1 2 Text C onventions 2 1- 1 Software Compatible with C S/ 2500 a nd CS/2600 1-2 1- 2 Software Compatible with C S/ 2000 a nd CS/2100 1-3 1- 3 Front-Pane l LED Indicators 1-5 1- 4 Phys i ca l D i m ensions 1-10 1- 5 El ect r i cal R equ irem ent s 1-11 1- 6 Environme nt al Requi r ements 1-11 2- 1 Console Port Configur[...]

  • Страница 13

    A B OUT T H I S G U I D E Intro d uc tio n This gui de pr ovi de s infor m a tion on ins talling, configuring, troubles hooti ng, mainta ining, and s ervi cing the 3Com® CS/2500 series of c om m unications server s. The C S/ 2500 s e ries consists of M ode ls C S /2500 a nd CS/2600. These mode ls a re ide nt ic al e xcept that Model C S/2600 inclu[...]

  • Страница 14

    2A B OUT T HI S G UI DE War n ing Wa r n in gs a le r t yo u t o th e r isk of s ev ere pe rso na l in ju ry. T a b l e 1 N o t ic e Ic on s Ico n Ty pe Desc rip tio n Ta bl e 2 Te x t Co nv en tio ns Conv en tio n De sc rip tio n “ En t e r ” v s. “T yp e” Whe n the w or d “ e nt e r” is u se d in th is g uid e, it me an s ty p e some [...]

  • Страница 15

    Conventions 3 Ke ys W he n sp ec ifi c ke ys are re fer red to in th e t ext, t he y a re c all e d o u t by th e ir l ab e ls , s uc h as “th e R et ur n ke y” or “ t h e Es ca pe ke y, ” o r th ey ma y b e sh own a s [R et ur n] o r [E sc ]. I f t w o o r mor e ke ys are to b e p re s sed s i mul tan e ou sly, th e ke ys ar e l i n ke d w[...]

  • Страница 16

    4A B OUT T HI S G UI DE CS2500BookF i l e : AboutT hi s Guide P a ge 4 T hursda y, D ecember 11, 1997 10:44 AM[...]

  • Страница 17

    1 O VERVI EW C S/ 250 0 s eries communica tions s ervers c onnec t seri al devic e s ove r a loc a l area ne twor k ( LAN). Thes e products s upport most a s ync hronous te r minals, hos ts, printer s, personal computers , modems, word pr ocessors, a nd othe r device s . All CS/2500 s e r ies mode ls can be us e d a s te rminal s ervers or as combi[...]

  • Страница 18

    1-2 C HA P T ER 1: O VE RV IE W ■ 2 MB of me m ory ■ Ethernet atta c hme nt unit inte rf ace (AUI) ■ Support f or par a ll el printe rs with C e ntronics ™ interf aces M odel CS/2500 has no diskette drive. Th is configuration is a dva ntage ous in environments where disk contamination is possible o r w here us e r s are not allowe d a cc es[...]

  • Страница 19

    Chassis 1-3 W he n a C S/2500 or C S/2600 i s running in CS /2000 or CS/2100 mode , it c a n use only the softwa r e liste d in Table 1- 2 , or other software w i th t he prefix S W /2000 or SW/200. Ch a s si s Figure 1- 2 shows the C S/2500 s e ri e s e nc los ure, including hardware fea tur e s common to both mode l s . F or a m ore de ta iled vi[...]

  • Страница 20

    1-4 C HA P T ER 1: O VE RV IE W Fig ur e 1- 2 C S/2 50 0 S er ies En clo su re Ha rdwa re In te rr up t Switch The hardwar e inte rr upt switch is l o c a ted on the s erver’s le ft s i de pane l c los e to the rear, as shown in Figur e 1-2. The s w i tc h is recessed be hind a s mall round hole to protec t it fr om being pres sed unintentiona ll[...]

  • Страница 21

    Front Panel 1-5 W ARNING: U s e only a nonc onduc t ive object s uc h a s a plastic sty l us to pr ess the ha r dw are interrupt switch. Do not use the tip of a penc il. G r aphite particle s can cause elect rical s hoc k to the ope ra tor and can dam age c ompone nts on the s erver’ s cir c uit boar ds . Cover The inve r te d U- shaped cover is [...]

  • Страница 22

    1-6 C HA P T ER 1: O VE RV IE W Fig ur e 1- 4 C S/2 60 0 F ro nt P an el L EDs T he six f r ont-pane l LE D indic ators display operational a nd dia gnos tic a c tivity at power-on and while c ommunica tions server software is running. T abl e 1-3 lis ts these front-panel LE D indi c ators and t he ir functions . 3.5" diskette drive 3Com CS/26[...]

  • Страница 23

    Back Panel 1-7 Rese t Switc h The res e t swit ch is located at the lower le ft c orner of the fr ont pane l (se e Fi gur e 1-3 and F igu r e 1-4 ) . It is r ecessed t o protec t it fro m bei ng p r es s e d uninte nt iona l ly. Pressing the reset s witc h interrupts normal ope ration, reinitialize s the s e rver, begi ns the s tartup s equence, an[...]

  • Страница 24

    1-8 C HA P T ER 1: O VE RV IE W The following s ec tions de s c ribe the s e connectors. Pin as signments are lis ted in Appe ndix A, “ Pin Assignments . “ S erial I/O C onne ctors The ba c k panel pr ovides te n serial I / O por ts, la bele d J0C through J9C , us ing horizontally mounte d 25-pin D-series subminia ture female c onne ctors (RS-2[...]

  • Страница 25

    Back Panel 1-9 ■ Pe rform m emor y d u m ps C ons ole f unctions are useful for maintenance and re pair ( for instanc e , a f ter a server cras h) a nd for OE Ms developing software for C S/2500 seri e s s e rv e rs . C ons ole port parity is s et to none, and the numbe r of data bits is set to 8. N eithe r se tting c a n be altere d. D ur ing fi[...]

  • Страница 26

    1-10 C HA P T ER 1: O VE RV IE W The cable betwe e n the s erver and the pri n t e r should not be mor e than 12 fee t long, so you must loc a te your pri n t e r phy s ica lly c l os e to the s e rver. The printer connec tor is a female DB-25 equipped wit h ja ck posts. A l though i t r e sembles an RS-232 s e ri al port connector physically, it i[...]

  • Страница 27

    Optional Rack Mount Kit 1-11 F i gu r e 1 -6 Po we r Su pp l y Mo du l e Op tional Rack Mount K it A n optiona l rack mount kit is available for CS/2500 ser ie s server s (3Co m part number 3C759). This kit a llows you to mount the s e rver in a two- or four- pole 19- inch r ac k. For inf or mation on how to ins tall the s erver in a r ac k, refer [...]

  • Страница 28

    1-12 C HA P T ER 1: O VE RV IE W The s e rver power s uppl y ha s ove r c ur r e nt protection on t he + 5 V output a nd ove rvoltage protection on +5 V D C . T he s erver’s total power c ons umption is a ppr ox i ma t e ly 161 W maximum. We i g h t 1 2 . 0 l b (5 . 5 k g ) Ta ble 1 -5 El e ct ri c al R eq ui re m e nts Pa ram et er R eq ui r em [...]

  • Страница 29

    2 I NS TA LL AT I ON This ch apte r describes how to insta ll your CS/2500 series server, inc l u di ng c abling the server to other devices on your ne twork. C AUTION : To elim inat e c abl e noi s e emis s ion in exce ss o f F CC P ar t 15 Subp ar t J, VDE 0871, or CISPR22 (EN55022) for C las s A devices, all c able s s hould be triple- shielded [...]

  • Страница 30

    2-2 C HA P T ER 2: I NST ALL AT ION Mo u nting the S e r ver Y ou ca n mount a CS/2500 s e r i es se r ve r o n a table top, in a two- or four -pol e 19-i nch r a c k, or ve r ticall y in a wa ll mount. M ounting on a Table To mount your s erver on a table top, use the foll ow i n g pr oc e dure: 1 P lac e th e ser ver on a f ir m , fl at sur face.[...]

  • Страница 31

    Mounting the Server 2-3 2 Slip two s pr i ng-clip captive nuts ove r t he holes of each rack pole whe re you want to ins ta l l the s erver (se e Figur e 2-1). M ake s ure that the nut goes be hind the pole. 3 A t ta ch t he s erver to t he r ack. O ne pe rson s hould hold the server betwee n the poles of the r ac k, while th e other att aches the [...]

  • Страница 32

    2-4 C HA P T ER 2: I NST ALL AT ION M ount ing on the W all Y ou ca n mount the server vertica lly on a wa ll usi ng a wa ll mount kit (3Co m pa r t num be r 3C 760). W hen m oun ti ng th e ser ver ver ti c ally , pl a ce th e ser ver in t he ver tical s tand with the r ea r pa ne l pointing to one side. B e sur e that the side with the e xhaust op[...]

  • Страница 33

    Cabling the Server to the Network 2-5 ■ A l l por ts are s et to term inal ( SET De fau lt -T ERM De Vi ce = Ter min al ). ■ B A ud is s et to Au toB a ud ( S ETD ef aul t - TER M B Au d = Au toB au d ). ■ PAR I ty is s et to None ( SE TD efa ul t - TER M P AR Ity = Non e ). If your network hardware does not matc h thes e defaults , you must [...]

  • Страница 34

    2-6 C HA P T ER 2: I NST ALL AT ION O nc e the s erver is turned on, you c an change these p a r ameters using the Fir mw are C o nf igur a tion Utility ( refer to C ha pte r 4, “C onfiguration”). If you c onfigur e a port as the console por t and then e nable t he monitor, that por t cannot be us ed for another type of de v ice . A t ta ch the[...]

  • Страница 35

    Cabling the Server to the Network 2-7 Fig ur e 2- 2 Con sol e P ort Ca bl e A tta ch m e nt Att aching a Transceiver C a ble T o c onne c t the server to an E the rnet LAN, you c a n us e eithe r your own transceiver c a ble or a 3C om cable. The tr a ns ceiver and trans c e iver c a ble mus t confor m t o I EEE 802. 3 AUI mechanical and e le ctri [...]

  • Страница 36

    2-8 C HA P T ER 2: I NST ALL AT ION Figur e 2- 3 P rin te r Po rt C ab ling For pin as s ignme nts of the print er p or t, r efer to Appendix A, “Pin A s s ignme nt s . ” Attach in g th e Po wer Ca bl e A power c a ble is supplie d with your CS/2500 s e ries s erver. If the power c a ble doe s not match your requireme nts, contact your network [...]

  • Страница 37

    Modifying the Firmware Configuration 2-9 The A C power s our ce must me et the requirements out line d in “ S pe c ifi c a tions ” on pa ge 1- 11. The ser ve r m us t be c onnec ted to its AC pow er s ource wi th a grounded line cord to me e t s a fety requirements. M o dif yin g the Fi rmw a re C o nfiguratio n The C S/ 2500 s e ries server’[...]

  • Страница 38

    2-10 C HA P T ER 2: I NST ALL AT ION CS2500BookF i l e : Insta l l a t i on Page 10 T hurs da y, Dec ember 11, 1997 10:44 AM[...]

  • Страница 39

    3 S TA RT UP O nce you ha ve ins ta l le d the s erver hardw a r e as de s c r i bed in C hapte r 2, “ I ns talla tion, ” you are rea dy t o s tart your se rver. You c an s tart from s oft w a re s tored on a 3C om Remote B oot a nd C onfiguration Ser vices (RB C S) se rver, f r om a ge neric TF TP/FTP server, or from a diskette ins erted in th[...]

  • Страница 40

    3-2 C HA P T ER 3: S TARTU P Ins ta l lin g Soft wa re on a n RBC S Se rv e r 3C om’ s R e m o t e Boot a nd C onfigura tion Service ( RBCS) is ne twor k c ontr o l s erver s of tware tha t runs on the Sun ™ SP ARC ™ sy s t e m s product line us ing SunOS ™ 4.1 or late r. I t pr ovide s network control se r vice s to 3C om c ommunic ations [...]

  • Страница 41

    Booting from Diskette 3-3 on the s erver again. If the problem pers ists, refer to “ St artup Problems ” on page 6- 1. The Self T e s t LE D rema ins on dur ing self- test diagnost ic s , about 40 s ec onds. T he server then enters the boot pha s e . The Boot State LE D rema i ns on during boot, a nd the Pac ket R e c e ived LE D l ights as the[...]

  • Страница 42

    3-4 C HA P T ER 3: S TARTU P the da ta in your current working disket te is c orrupt, you c an use the ba c kup copy and s ti ll boot the se r ve r with the corr ec t parame ter settings. Copying a nd F ormatting D iskettes To copy a dis ket te on a C S /2600, foll ow this procedure: 1 C onne c t a te rm ina l to the c onsole port (J0 is the defaul[...]

  • Страница 43

    Booting from Diskette 3-5 6 W a it about five seconds, then pr ess the Return key on the console ke yboa rd. The monitor gr e eting a ppe a rs, f ollowe d by the monitor pr ompt (> ) : 3 Com Corp orat ion CS/2 000 Seri es Monit or > 7 Enter the soft reset c ommand: k 8 To copy a dis kette, e n t e r the c opy c ommand : co The following mes s[...]

  • Страница 44

    3-6 C HA P T ER 3: S TARTU P 12 Ins e rt t he ma s te r ( sourc e ) di s ke tte (the diskette you wa nt to c opy fr om) a nd pres s the Return key. The server copies files from t he mas ter diskette . The follow ing message a ppear s: r eadi ng... OK i nser t co py and hit ret urn to cont inue 13 R e move the ma s ter diskette. 14 Ins e rt t he for[...]

  • Страница 45

    Booting from Diskette 3-7 E nter the de nsity to be gin form attin g o pera tion E scap e to ab ort the for mat R etur n to us e d efaul t d ensit y ( 2mb): 3 Ins ert a blank 2 M B (high- dens ity) dis ke tte (1.44 MB f or matted). (Ma ke sur e it is not w r ite -protecte d.) 4 Type 2 or press the Return key to be gin the f or ma t. The s e rver fo[...]

  • Страница 46

    3-8 C HA P T ER 3: S TARTU P Normal Startu p Me ssag es I f a t erm inal is attach ed to t he cons ole po rt , s tar tu p m e s s ages appear on it during the boot pr o ce s s. These me s s ages va ry, depending on your boot sour c e. For e xa mple , i f the f irmwa re’s Initial B oot Source pa r a mete r is s et to Local Floppy or F loppy then N[...]

  • Страница 47

    Shutting Down 3-9 1 N ot if y a ll users tha t t he serve r is be ing shut down. Y ou ca n notify us e r s fr om a te rmi na l por t on t he serv e r or from t he c ons ole via the B R oa dca st command. Refe r to the M ultipr otoc ol C ommunic ations Server O per ation Guide and M ulti pr otocol C ommunic ations Server Software Refe r enc e Guide [...]

  • Страница 48

    3-10 C HA P T ER 3: S TARTU P CS2500BookF i l e : Sta rt up P a ge 10 T hursday, De ce mber 11, 1997 10:44 AM[...]

  • Страница 49

    4 C O NF IGUR AT ION To c onf igur e CS/2500 and C S/2600 firmwa r e s ettings, us e the Firmware C onfi gur a tion Utility. F ir mwa re is preset at the factory for basic ins talla tions ; in mos t ca ses you do not ne ed t o r e c onf igur e it. This c ha pter descri be s how t o ma ke c ha nges i f ne c e s sary. For informa tion on confi guring[...]

  • Страница 50

    4-2 C HA P T ER 4: C O NF IGU RAT I ON 2 C onfi gure the t e r minal to 9600 bps , 8 data bit s, 1 stop bit, a nd no p ar ity. These ins tr uctions assume the defaul t f i rmware configurati on. If y ou hav e used fir mw are configuration command s to c hange the baud r ate or to s ele c t a diff e r en t c ons ole port, m odi fy the ins tructions [...]

  • Страница 51

    Changing the Configuration 4-3 Ch a n gi ng t he C o nfiguratio n To cha nge the c omm unic ations server configur ation, foll ow this proce dur e: 1 Enter the fir m w ar e configurati on comma nd fc a t the monitor pr ompt. The following menu is disp layed: 2 Type D to displ ay curr e nt pa rame ter setti ngs. The following displa y s hows f ac to[...]

  • Страница 52

    4-4 C HA P T ER 4: C O NF IGU RAT I ON 4 To cha nge the current para me t ers, t ype C . T he C hang e Par ame t e r s m enu ap pear s : 5 Type the number or l e tt er f or the pa r a m eter you want to c h ange . Table 4-1 des cribe s e a ch pa ramete r a nd the choic e s a va ila ble . M ore de ta iled de scriptions of each parameter foll ow this[...]

  • Страница 53

    Changing the Configuration 4-5 *D e f a u l t . † Def a ul t fo r CS / 2 50 0. ‡ CS /2 60 0 on ly . D ef au l t is F l op py t he n N et wo rk . ** C ho os i ng T FT P ad ds a ch oi c e t o t he C ha ng e P ar a met e rs me nu . F o r mo r e in for ma t i o n, s ee “Us i ng TF TP ” on pa ge 4 -9 . (c on ti n ue d ) 4. Au to -re bo ot m - Bo[...]

  • Страница 54

    4-6 C HA P T ER 4: C O NF IGU RAT I ON Cons o l e Ba ud R ate Sets the bau d r a t e for the c ons ole por t. T he de fault value i s 9600. You c a n set the rate to 110, 300, 1200, 2400, or 9600 bps . C ons ole port pa r ity is s et t o none, and number of da ta bits is set to 8. You ca nnot ch a n g e th es e v al u es . Console Por t Spe c if ie[...]

  • Страница 55

    Changing the Configuration 4-7 B e cause the de fault s etting is f or the M onitor paramete r to be disabled, you s houl d s et it t o “Enable d” be fore resetting the ser ver if you wa nt t he monitor to be rea dil y a va ilable . I n a ddition, if you s e t the monitor as your initial boot s our ce, you mus t ma ke s ure the Monitor pa r ame[...]

  • Страница 56

    4-8 C HA P T ER 4: C O NF IGU RAT I ON Ne twor k Boot Str ing Spec if ie s the filename of t he image to be downloa ded f r om a n R B C S or TF T P /FT P server and executed. This string can be up to 128 char a c te rs long. T he default is “ _cs200 “ (without the quota tion marks ). If your boot prot oc ol is Sys te m L oad Protocol (SLP), do[...]

  • Страница 57

    Changing the Configuration 4-9 If you c ha nge the B oot P r otoc ol pa r a m eter from TFTP to S L P a n d bac k to TF T P , che c k the C ha nge IP /TFTP Paramete rs me nu’s Address D i s cove ry Pr otoc ol field. Changing from TFTP to SL P a nd bac k to TF T P result s in Addr e ss Dis c overy Prot oc ol r e ve rt ing f r om your c onf igur e [...]

  • Страница 58

    4-10 C HA P T ER 4: C O NF IGU RAT I ON A ddr ess di scovery obtains the information l isted in this m e nu eithe r through s tatic entries c onf igured in f i rmware by the us er, or by B OOTstrap Protocol (BOOT P ) or Re verse A ddr e ss Re solution Protocol (RA R P) fr om another sour c e during s y ste m boot. The discovery pr otoc ol you choos[...]

  • Страница 59

    Changing the Configuration 4-11 3 To s pe cify other IP a ddr e s s paramete rs, type the le tt e r for the pa r ame t e r . Thes e parame te r s allow you greater control over booting your ser ver, a nd a re required if Addr e s s Disc ove ry Protocol is “Local Informa tion.” Table 4-3 lis ts the a dditiona l IP parame te rs and information fo[...]

  • Страница 60

    4-12 C HA P T ER 4: C O NF IGU RAT I ON Pr i nter Setup M e nu The Printer Setup menu provides opti ons for c onf iguring your pr int e r c onne ction. You ca n a utoma tica lly is sue a li ne fee d after a carr iage return ( option 1) or not (option 2). Y ou ca n a ls o add a print er setup s tr ing ( option 3) or delete t he s tring ( opt ion 4) [...]

  • Страница 61

    Changing Port Configuration 4-13 To configur e the server to emulate a CS/2000 or C S/2100, do the following: 1 From the C ha nge Parame te rs me nu in the Firmware C onfigur a tion U t ility, type S . The Sys tem De fault Configuration Menu appea r s. The other parameters in this menu ar e for configuring ports. For mor e infor mation, see “C ha[...]

  • Страница 62

    4-14 C HA P T ER 4: C O NF IGU RAT I ON 1 From the C ha nge Parame te rs me nu in the Firmware C onfigur a tion U t ility, type S . The Sys tem De fault Configuration menu a pp ea rs: 2 To cha nge a port to R S - 422, type 3 . A prom pt a ppea rs , explaini ng that a ny por ts you type will be configured for R S-422, w hi le others will be c onf ig[...]

  • Страница 63

    Changing Port Configuration 4-15 pres enc e of a n ac tive pin 25 and a utoma t ic ally s w itches to R S - 422 ope r a ti on. This option affects all port s. This s etting a c t s as a toggle. T o disa ble i t, type 4 aga i n. Automatic RS- 422 s e le c tion r equires a diff e re nt configuration for the RS- 422 c onnector, in whic h pin 22 acts a[...]

  • Страница 64

    4-16 C HA P T ER 4: C O NF IGU RAT I ON CS2500BookF i l e : Confi gura t i on Page 16 T hursday, December 11, 1997 10:44 AM[...]

  • Страница 65

    5 M AIN TE NAN CE AND U PG RA D ES This ch apte r describes how to perf orm maintenance proce dures f or your c ommuni c ations server. A ny us er c a n perform these procedures: ■ C le aning the di s ke tte drive (M ode l C S/2600 only) ■ R e plac ing the f us e O nl y qua lif ied service pe rsonne l s hould perf orm these procedures: ■ R e [...]

  • Страница 66

    5-2 C HA P T ER 5: M AI NTE NA N CE AN D U PG RADES ■ To avoid e xce ssive diskette wear, change the working dis ke tte e ve r y three mont hs . R efer to “Copying and For m a tt ing Dis kette s” on pa ge 3-4 for the proce dure f or copying diskettes . ■ In c as e of a crash, an imme dia t e memory dump may he lp diagnose the problem. Ke ep[...]

  • Страница 67

    Maintenance 5-3 2 Pr y the cartridge loose. It should pop out ea s ily. 3 Slide the f us e holder cartridge co mpletel y out of the enclosure. Fig ur e 5- 1 R em ov in g th e F us eho ld er C ar tri dg e 4 R e move the f u se clip insert from the fuseholder cartr idge. The fus e clips , conduc tor s , a nd f us e s are mounted on t his c artridge. [...]

  • Страница 68

    5-4 C HA P T ER 5: M AI NTE NA N CE AN D U PG RADES 8 R e ins ta l l the f useholder cartridge in the rec e ptac le. Fig ur e 5- 2 O pe nin g t he F us eh ol der Ca rtr i dg e Autoranging power module Pull up plastic retainer Fuse Fuse clip insert Fuseholder cartridge Flip CS2500BookF i l e : Mai nt e na nc e Upgrade s P a ge 4 Thursday, December 1[...]

  • Страница 69

    Upgrades 5-5 Upgrades Upgrade procedures re quir e you to r e move the s erver cover. C AUTION : Pro cedur es that inv ol v e r emovin g the server cover mus t be pe r formed by s ervice personnel only. “Service pe rsonnel” means people w ho have appropriat e te chnic al tr aining and ex pe r ie nc e . Se r v ic e personne l are aw ar e of haza[...]

  • Страница 70

    5-6 C HA P T ER 5: M AI NTE NA N CE AN D U PG RADES Removing the Cove r Follow these steps to r emove the s erver cover : 1 Shut down t h e s e r ve r , as described i n “ Shutt ing Down” on page 3-8. W ARNING: B e for e r e m oving the c o ve r , be s ur e the unit is t ur ne d off and the pow e r c ord is e it he r disengaged from the unit’[...]

  • Страница 71

    Upgrades 5-7 4 G r asp both sides of the cover and carefully lift it of f. Figur e 5- 4 shows a view of the se rver interior and its components. Figur e 5- 5 shows the motherboa rd and the loc a tions of the memory chips a nd E PR OM s that can be replac e d. Fig ur e 5- 4 S erv er C o m p on en ts Rear Front Daughtercard assembly and diskette driv[...]

  • Страница 72

    5-8 C HA P T ER 5: M AI NTE NA N CE AN D U PG RADES Fig ur e 5- 5 Mem o ry C hi p a nd E P R O M Lo ca ti o ns on M o th erb oa rd R eplaci ng t he D isket te Dri ve This s e ction explains how t o r e pl ace the dis kette drive (M ode l C S/2600 only). Y ou need a #1 and a #2 Phillips s crew driver. A pair of n e ed lenose plie r s is also helpful[...]

  • Страница 73

    Upgrades 5-9 b Dis c onne c t the c able attac h e d to the rear of the da ughte r c a rd. Pull it toward you to expose the mounting screw that fast e ns the diske tte dr ive br acket to the bottom of the chassis (s te p 2 in Figur e 5-6) . c R emove t he mounting s c rew ( step 3 in Figur e 5-6) . d S lide t h e brac ket tow a r d the r ear and li[...]

  • Страница 74

    5-10 C HA P T ER 5: M AI NTE NA N CE AN D U PG RADES 5 Tr a ns fer the brac ke t fr om the or iginal dis k ette drive to the new one. a Remov e t he fo ur s crews (two on each side of th e brac ket) t h at h ol d the dis ket te dr ive . b S lide t h e old drive out of the bracket . c S lide t h e ne w drive into the br acket. d Re pla c e the four [...]

  • Страница 75

    Upgrades 5-11 W ARNING: To av oid pos sible ele c tr ic al shock, the ser v er’ s powe r cord m us t be disconnected from t he powe r sour ce befor e a cces sing i ts internal compone nts . Y ou need a #1 and a #2 Phillips s crew driver. A pair of n e ed lenose plie r s is also helpful f or removing and r e pla cing screws. Follow t his proce dur[...]

  • Страница 76

    5-12 C HA P T ER 5: M AI NTE NA N CE AN D U PG RADES F i gu r e 5 -7 Re mo vi ng t he Po we r S up pl y 4 Ins t a ll the ne w pow er s upply module. a F or Model CS/2600 only, reconnec t t he power wiring harness to the conne ctor on the r e a r of the dis kette drive. b F or both mode l s , slip the keyhole slots on the bottom of the power supply [...]

  • Страница 77

    Upgrades 5-13 Re pla c ing M e mor y Chi ps If you e ve r ne e d to replac e memory chips on the motherboard, follow this procedure: 1 M ake s ure serv e r power is off and the pow er cord is unplugge d. 2 R e move the cove r, as de s c ribed in “ R emoving the C ove r” on page 5-6. The me m or y c hi ps a re loc a ted on the motherboard, near [...]

  • Страница 78

    5-14 C HA P T ER 5: M AI NTE NA N CE AN D U PG RADES R e plac ing EP R OMs To r e plac e E P ROMs on the motherboard, follow this procedure: 1 R e move the cove r, as de s c ribed in “ R emoving the C ove r” on page 5-6. M ake s ure the server power is of f and the power cord is unpl ugged. The E PR OMs a r e loca ted on the r ight s ide of the[...]

  • Страница 79

    Upgrades 5-15 Re placing the Cove r When you ha ve fini shed the upgr ade or se rvicing, always r e plac e the s erver’ s cove r be f ore plugging it in. W ARNING: To av oid a fir e hazard, always r eplace the c ove r. Powering on the s erver without a cover can cause it to ov er he at. T he warr anty is v oid if thi s oc c ur s . To r e plac e t[...]

  • Страница 80

    5-16 C HA P T ER 5: M AI NTE NA N CE AN D U PG RADES CS2500BookF i l e : Mai nt e na nc e Upgrade s P a ge 16 Thursday, December 11, 1997 10:44 A M[...]

  • Страница 81

    6 T R OUB L E S H OOT ING If your communic ations se rver does not sta r t up a s de s c ribed in C ha pter 3, “Startup,” or f a ils dur i ng ope ration, review t he fol lowing troubles hooti ng hint s. I f you cannot solve t he probl e m, contact 3Com or your ne t work supplier. Ref er to Appendix D , “Te c hnic al Support ,” for te c hnic[...]

  • Страница 82

    6-2 C HA P T ER 6: T ROUBLES HO O TI N G A t ini tial pow er- on or during a res e t, P ower a nd Self Te st L E Ds f ail to light. M eanin g: T here i s n o pow er to th e s er ver . A ction: Powe r off the s e rver by pr e ssing the O s ide of the powe r s witch, then do the following: 1 V eri f y tha t the power cord is plugge d s ecur e ly into[...]

  • Страница 83

    Operating Problems 6-3 2 If you a re booting from a netwo r k, make sure that your network is ope r a ti ona l and tha t the communic ations server is configured to use the ne twor k boot s ource. 3 W he n you a r e pr ompte d t o en ter the monitor , ente r N to retry the boot s e quence. 4 If the problem happens a ga in, e nt e r Y to a cces s th[...]

  • Страница 84

    6-4 C HA P T ER 6: T ROUBLES HO O TI N G F igure 1- 2 on pa ge 1-4. The s witch is recessed into a round hole t o pr ote c t it f r om be ing presse d unint e ntionally. W ARNING: U s e only a nonc onduc t ive object s uc h a s a plastic sty l us to pr ess the ha r dw are interrupt switch. Do not use the tip of a penc il. G r aphite particle s can [...]

  • Страница 85

    Memory Dump Procedures 6-5 1 R e s e t the s e r ver b y pr e ssi ng t he res et switch on the front panel. 2 If reset ting the s e rver does not r es olve the problem, check the ca ble , tr ans ceiver , and any ot he r de vices as s ociat ed wit h connect ing t he E ther net i nter face t o th e net work . R e plac e a ny faulty component . 3 If t[...]

  • Страница 86

    6-6 C HA P T ER 6: T ROUBLES HO O TI N G D um ping M e mory to a TF T P H ost To wr it e a m e mor y dump to a T FT P hos t , you m ust set the boot pr otocol to TF T P , and the T FT P U pl o a d Path pa ramete r in the f i rmware c onf iguration must i nd i c ate whe r e the dump s hould be writt e n onto the hos t. R e fer to your TFTP s erver d[...]

  • Страница 87

    Memory Dump Procedures 6-7 R etur n to us e t he defau lt densi ty (2mb) : 3 Pres s the R eturn key to selec t the de fault, 2 MB (high-density). The s e rver then c a lc ulate s the number of diskette s r equired for the me mor y dump, and displays the following mess a ge : ** * N disk ette (s) will be nee ded for the du mp opera tion* ** D iske t[...]

  • Страница 88

    6-8 C HA P T ER 6: T ROUBLES HO O TI N G VER Sio n . This comma nd provides b ot h t he software ve r s ion string and the f irmware ve r sion number. If the s of t ware f a ils to boot, the f ir mware ve r sion number appears in the powe r - up me ssag e when a cons ol e is a tt a che d a nd M onitor is e na ble d. Press the front panel reset butt[...]

  • Страница 89

    A P IN A SS IGN M EN TS This appe ndix lis ts pin as s ignments f or port interf a c e s on CS/2500 a nd C S/ 260 0 s e ries communic ations s e rvers. The C S/ 2500 a nd C S/2600 include thr ee types of port interf aces: ■ Ten s e rial RS- 232- D or RS- 422 c onnec tors ■ O ne 802.3 Ethe rnet (t rans ceiver) connector ■ O ne paralle l printe[...]

  • Страница 90

    A-2 A PPEND I X A: P IN A SSI G NMEN TS The ta bl e a ls o l i sts pins as s igned for RS- 422 f unc ti on s , whe n the port is c onf igured for RS-422 in the firmw a r e. You ca n use the ta bl e as a reference for c able s s upplie d by 3C om. C AUTION : A c has si s ground c onnec tion be tw ee n the c ommunic ations s erver and cus t omer equi[...]

  • Страница 91

    RS-232 Serial Ports A-3 * Pi ns 1 1, 23 , a nd 2 4 a r e s u pp or te d on p or t s J 0 an d J1 o nl y fo r sy nc hr o no us m o de m s up po r t. † R ing is a ct ive wh e n s e r ve r is on . ‡ P in 25 i s un us ed in R S- 23 2 op er ati on . I f “A ut om at ic R S- 42 2 Por t Se lec tio n” i s en ab le d, po rt s witc h e s autom atic a l[...]

  • Страница 92

    A-4 A PPEND I X A: P IN A SSI G NMEN TS Fig ur e A -3 Cab le Wi rin g for S eri al P o r t in A u to ma tic R S -4 22 Se le c tio n M ode Trans ceiver C o nnecto r Figure A- 4 s hows pin numbering f or the t ransceiver connector. Table A-2 lis ts pin a s signments for this connector. Fig ur e A -4 T ra nsc ei ver C o nn ec tor Pi n N um be rs DCE C[...]

  • Страница 93

    Parallel Printer Port A-5 * A tt ac he d to p ower r et urn . † Cur r en t sh ou l d n ot e xc e ed 50 0 m A. Par allel Printer Po rt CS / 250 0 and C S/2600 s e rvers inc lude a print er por t ( la be le d “ Parallel Printer”) for connecting the server to Centronics- type parallel printe rs . Figur e A- 5 s hows pin numbers for this port. Ta[...]

  • Страница 94

    A-6 A PPEND I X A: P IN A SSI G NMEN TS 8 8 Da t a7 Se rv e r D at a Bit 6 9 9 Da ta8 Se r v er D a t a B it 7 10 10 Ac kn owl e dg e Pr i nt er — 11 11 Bu s y Pr in t er — 12 12 Ou t o f pa pe r Pr i nt er — 13 13 SL CT Pr int er — 14 14 Un a s s ig n e d — — 15 32 Er r o r Pr i nt e r — 16 31 I nit ial ize Pr int er — 17 36 Un a s[...]

  • Страница 95

    B S TA RT UP M ESS AGE S A t power- on or r e set, t he s e r ver pe r f orm s s e lf -tests and di a gnos tics. W he n a cons ole is a t ta che d and monitor mode is enabled, it s e nds s t a tus a nd e rr or messa ge s ge ne rate d by these tests to the console, if possible. This appe ndix lis ts these mes sages in alphabe ti c al order. The serv[...]

  • Страница 96

    B-2 A PPEND I X B: S TARTU P M E SSA GES SIO - Failed te st # < x> M ea ning: An error wa s e nc ounte red in s erial input/output (SI O) test <x> ; ma y indica te a bad serial I/ O c ontrol ler inte grate d c ir c ui t. SI O - Pas sed < xx> por ts N o err ors were e nc ounte r ed in S I O s elf-t e s ts . T he numbe r of ports on[...]

  • Страница 97

    C M ONI TOR U TI LI T Y T his ap pendi x desc ribes how t o a ccess and us e the m oni tor u tility, whic h c ons ist s of c omma nds and parameters that res ide in the motherboard’ s fir mwa re. Monitor mode s uspends normal operation and allows interacti on only with the monitor c omma nd interf ace. Using this utili ty, you can perform the fol[...]

  • Страница 98

    C-2 A PPEND I X C: M ON I TO R U TI LITY ■ C onfi gure firmware to ac c ess the monitor dur ing the foll o w ing c irc um s tance s: ■ At start up ■ I f the server become s nonfunctiona l ■ Pres s the hardwar e inte rr upt switch. Thes e me thods are described in the following sections. O nce you a ccess t he mon it or u tility, you a r e i[...]

  • Страница 99

    Entering the Monitor C-3 If a n error occurs whil e the server is running its sof twa r e , the s e rver a ut omati call y a ccesse s t he mo nito r. At t his poin t, 3C om or your network s upplier may a sk you to perf or m a me mory dump. For inf or mation on me mor y dumps , refer to “M e mory Dump Proc edures ” on pa ge 6-5. Us i ng t he Ha[...]

  • Страница 100

    C-4 A PPEND I X C: M ON I TO R U TI LITY Us in g C om man ds W hile in monitor mode you can boot or r e set the server and pe r f orm dia gnos tic tasks and other f unc tions by e nt e r ing commands. Y ou mus t be i n m on i tor mode to us e these c om ma nds. When you a r e finishe d , reset the server by pr e s sing the reset switc h on t h e fr[...]

  • Страница 101

    Using Commands C-5 T he < file name> and < addr ess> par ameter s sp ecif y t he na me o f th e bootfile and the loca tion in memory whe r e it s hould be loaded. F or e xam ple, enter b t _ cs3 0 0 x4 000 010 to load and run the file _c s30 fr o m memory loca tion 0x4000010. If you do not s pecify a pa ramete r, the s erve r attempts t[...]

  • Страница 102

    C-6 A PPEND I X C: M ON I TO R U TI LITY FO Synt ax FO D es c ri ption Formats a dis ke t te ( Model CS/2600 only). F or a des cription of the proce dur e , refer to “Formatting Dis ke ttes without the C opy Comma nd” on page 3- 6. H or ? Synt ax H ? D es c ri ption D i splays a list of all available comma nds and th e ir s ynta x. C omma nds i[...]

  • Страница 103

    D T EC H NI C AL S UP PO RT 3C om pr ovide s e asy a cces s to t e chni cal s uppor t information thr ough a va r iet y of services. This appendix describes these services . On-l ine Technica l Serv ices 3Com of f e rs worl dw ide product support seven day s a w e ek, 24 hours a da y, through the following on-line systems: ■ 3C om B ulle tin Boar[...]

  • Страница 104

    D-2 A PPEND I X D: T EC HN IC AL S U PPOR T A ccess by I SDN IS DN us ers can dial-in to 3ComBBS us ing a di gital mode m f or fast a cces s up to 56 Kbps. T o acc ess 3 ComBB S usi ng I SDN, dial the following number: (408) 654-2703 W orld W i d e Web Si te A ccess t he latest n e tworkin g inf or mati on o n 3Com’ s Wor ld Wid e We b s ite by e[...]

  • Страница 105

    Support from Your Network Supplier D-3 3ComFa cts Automate d Fa x Se rv ic e 3Com Corporation’ s interactive fax service, 3ComFac ts, provides data s hee ts, te c hnica l article s, diagra ms, a nd tr ouble shooting ins tructions on 3C om products 24 ho ur s a day, s e ven da ys a w e ek. C a ll 3C omFac t s us ing your touc h- tone t e le phone.[...]

  • Страница 106

    D-4 A PPEND I X D: T EC HN IC AL S U PPOR T If you a re una ble to conta c t your ne twork supplier, s ee t h e fol low i ng s ec tion on h ow to conta ct 3C om. CS2500BookF i l e : T e c hSupp.me d Page 4 T hursday, December 11, 1997 10:44 AM[...]

  • Страница 107

    Support from 3Com D-5 Su pp or t f r om 3C om If you a re una ble to r ecei ve s upport f r om your ne two r k supplier, te c hnica l support contracts a r e ava ilable from 3Com. In the U. S. a nd C a na da, call (800) 876-3266 f or c ustomer service. If you a re outside the U . S. a nd C anada, conta ct your loca l 3C om s ales off ic e to find y[...]

  • Страница 108

    D-6 A PPEND I X D: T EC HN IC AL S U PPOR T 10 /2 5/ 9 5 Eu rop e 31 30 60 2 99 00 , op tio n 5 (44 ) (1 44 2) 27 58 22 O uts i de E uro p e, U. S., a nd Can ada (1 ) (4 08) 49 2 179 0 (1 ) (4 08 ) 7 6 4 72 90 Co un t r y T el e ph on e N umb er Fa x N um b er CS2500BookF i l e : T e c hSupp.me d Page 6 T hursday, December 11, 1997 10:44 AM[...]

  • Страница 109

    I NDE X Symbol s ! command C-6 ? command C-6 N ume rics 3Com Bulletin Board Service (3ComBBS) D-1 3Com sales offices D-4 3ComFacts D-3 A Address Discovery Protocol desc ription 4-10 para meters 4-10 address, Ethernet 3-7, 4-3 automatic RS-422 port selection 4-14 Auto-Reboot parameter 4-6 B back panel 1-6 baud rate, console port 2-5, 4-2, 4-6 Boot m[...]

  • Страница 110

    2I ND E X cover descrip tion 1-4 removin g 5-6 replac ing 5-15 current consumption, floppy disk drive, 1-11 D damage, shipping 2-1 Data Received LED 1-6 DE command C-5 deleting file from diskette C-5 DF command C-5 diagnostic messages B-1 diagnostics. See troubleshooting dimensions 1-10 diskette backup copy 4-1 booting from 3-3, 3-6 copying 3-3, C-[...]

  • Страница 111

    I ND EX 3 installation cabling 2-4 to 2-9 mounting 2-2 to 2-4 preparation 2-1 internal disk d rive. See diskette drive interrupt switch. See har dware interrupt switc h IP address. See IP/TFTP parameters IP security op tion 4-11 IP/TFTP parameters 4-9, 4-11 K K command C-6 L LED indicators diskette drive 3-8 front panel 1-5, 3-2, 3-7 listing files [...]

  • Страница 112

    4I ND E X R rack mount 1-10, 2-2 RAM, replacing 5-13 RARP protocol 4-10 RBCS server Boot Protocol parameter 4-8 booting from 3-2 dumping memory to 6-5, C-6 installing software 3-2 Networ k Boot String parameter 4-8 reboot Auto-Re boot parameter 4-6 number of reboots 4-7 remote 3-3 Remote Boot and Configuration Service server. See RBCS server remote[...]

  • Страница 113

    I ND EX 5 startup problems 6-1 to 6-3 U UP command C-6 upgrades removing cover 5-6 replacing cover 5-15 diskette driv e 5-8 EPROMs 5-14 memory ch ips 5-13 power supp ly module 5-10 V version, firmware 3-7 W wall mount 2-4 wiring information. See p in assignments CS2500BookF i l e : CS2500BookF i l e IX P a ge 5 T hurs da y, Dec ember 11, 1997 10:44[...]

  • Страница 114

    6I ND E X CS2500BookF i l e : CS2500BookF i l e IX P a ge 6 T hurs da y, Dec ember 11, 1997 10:44 AM[...]

  • Страница 115

    LI MI TED W A RR A NT Y HARDW ARE: 3Com war r an ts its h ar dw a re pr odu ct s t o be f r ee f r om de fe cts i n w or km a ns hi p an d m at er i al s , und er nor m al us e an d ser vi ce, f or the foll ow i ng l engt hs of t i me f rom t he date of pur chas e fr om 3C om or i ts A ut hor ize d R es el l er : If a pr odu ct d oe s not ope rat e[...]

  • Страница 116

    5400 B ayf ront P l aza Santa C l ar a, CA 95052- 8145 (408) 764- 5000 1/1/94 CS2500BookF i l e : Ba c kM t t r.m e d P a ge 8 T hursda y, D ecember 11, 1997 10:44 AM[...]