3Com CS/2500 инструкция обслуживания

® 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[...]

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 [...]

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[...]

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

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[...]

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 [...]

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[...]

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[...]

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[...]

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

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 [...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]

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 [...]

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 [...]

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 [...]

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.[...]

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 [...]

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[...]

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 [...]

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[...]

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 [...]

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 [...]

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’[...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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) [...]

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[...]

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[...]

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[...]

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[...]

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 [...]

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[...]

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. [...]

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[...]

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[...]

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’[...]

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[...]

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[...]

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[...]

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 [...]

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[...]

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 [...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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.[...]

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[...]

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[...]

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[...]

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[...]

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-[...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]