Instruction/ maintenance manual of the product 3C16710 3Com
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Part N o. DUA 1671- 0AAA03 Published October 1997 O F F I C E C O N N E C T ® H U B 8/TPM 3C1 6710 U S E R G U I D E 16710.bk : FRONT.FRM Page 1 Tuesday, October 7, 1997 11:38 AM.
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C O N T E N T S I M P O R T A N T S A F E T Y I N F O R M A T I O N W I C H T I G E S I C H E R H E I T S H I N W E I S E L’ I N F O R M A T I O N D E S É C U R I T É I M P O R T A N T E Y O U R H.
M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R In stal ling Q uick Confi g M a nage r 4-1 In stal lati on R eq ui reme nts 4 -1 In stal lati on Proc edur e 4 -2 Ru nn ing .
Vi ewing I nterna l Versi on Nu mb ers 5- 20 Dow nl oadin g a So ft ware U pg rade 5 -21 P R O B L E M S O L V I N G Is olati ng a Pro bl em 6- 1 Problem s Wh en Usin g Y ou r Hu b 6 -2 Problem s Wh e.
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I M P O R T A N T S A F E T Y I N F O R M A T I O N WA R N I N G : Warnin gs co nta i n dire c tion s t ha t yo u must follow for your personal safet y .
W I C H T I G E S I C H E R H E I T S H I N W E I S E AC H T UN G : Die W arnungen ent halten A nweisungen, die Sie zu r eigenen Sicherheit zu befolgen haben.
L’ I N F O R M A T I O N D E S É C U R I T É I M P O R T A N T E A VER TISS EME NT : Les avertissements contiennen t les ins tructions que vo us devez suivr e pour vot re sécurité per sonnelle.
Y O U R H U B A D D R E S S E S U si ng Quic k Con fig Mana ge r , yo u can co nf igu re address information for your hub, which affects the way you can mana ge i t. It is important that you n ote dow n th is in fo rm a tio n as yo u m ay nee d to ente r it wh en man aging th e hu b a gain.
A B O U T T H I S G U I D E Intr o duction T his gu ide des cribes how to se t up and manage the OfficeCo nnect® Hu b 8/TPM. The hub is ready for use in yo ur netw or k.
2 A B O U T T H I S G U I D E C on v entions The icon conv en tions that ar e use d in t his gu ide a re: The te xt co nventio ns that are us ed in thi s gui de are: Icon Typ e Des cri p ti on Information N ote Inf orma tion not es ca ll atte ntion to important features or instructions.
1 I N T R O D U C T I O N W elc ome to the w orld o f netw orking wit h 3C om ® . In the mod ern b usiness environ me nt, com mun icat ion an d shar ing in fo rmat ion i s cruc ial.
1-2 C H A P T E R 1: I N T R O D U C T I O N a stac k (each hub i s a sing le rep eater ) . Th e Office Connec t Hub 8/TP M h as ei ght 1 0BA SE-T por ts and a ni nth 10B A SE - 2 (C oa x) por t. This guide helps you ge t the m os t o ut of y o ur h u b .
Networking Terminology 1- 3 A Segment i s t he l engt h of Eth ernet cabl e c onnect ed t o a port, wh ether th is c able i s 10BASE- T , 10BASE- 2 (Coax) , or oth e r ty p e. Wh en yo u da is y- ch ai n equ ipmen t t ogeth er wi th 10BASE- 2 (C oa x) cab le, al l of the cab le form s a single seg ment .
1-4 C H A P T E R 1: I N T R O D U C T I O N IP (In terne t Protoc ol) is a data communicati on protocol use d to conne ct comput ers an d data equi pment in to com puter net work s.
2 C R E A T I N G Y O U R N E T W O R K All of th e pr oducts in the Offic e Connec t ® r ange are design ed fo r ease of use. This cha pter descri bes how t o u s e y o ur Of f ice Connec t Hub 8/TP.
2-2 C H A P T E R 2: C R E A T I N G Y O U R N E T W O R K Fi gur e 2-1 The LEDs And How T o U se Them 16710.bk : CREYRNET.FRM Page 2 Tuesday, October 7, 1997 11:38 AM.
LEDs an d P orts 2- 3 Figure 2-2 The P o rt s And H ow T o Us e Them 16710.bk : CREYRNET.FRM Page 3 Tuesday, October 7, 1997 11:38 AM.
2-4 C H A P T E R 2: C R E A T I N G Y O U R N E T W O R K Before Y ou Start Y our O ff iceCo nn ect hub com es with: ■ One p ower ad apt er for use with t he O ffice Co n n ec t hub ■ A Wa r rant y Regist ration card for you to fi ll out an d return ■ F our rubber feet ■ F our st acki ng cl ip s ■ One 3 .
Posi t ion ing t he Off ic e Connect H ub 2- 5 In o rder to c omply wit h th e 10BAS E-T s ta ndar d , po rts designed f o r workstation connections have b een marked with the graphical symbol ‘x ’ . This denotes a crossov er in t he por t’ s in ternal wiring, for example 1x, 2x, 3x.
2-6 C H A P T E R 2: C R E A T I N G Y O U R N E T W O R K Using th e Rubb er F e et and Stac ki ng Cl ips The four se lf- adhe sive rubb er fe et prevent your hub fr om slid ing arou nd on your desk. S tick the f eet to the m arke d areas at each corn er of t he und erside of you r hu b.
Wa ll Mou nting the Offi ce Connect H ub 2- 7 W all M oun ting th e Offic e Conne c t H ub There a re two slots on t he und erside of the OfficeCo nnect hub which are used for wall mo unti ng. Y o u can m ount the hu b wi th t he LED s faci ng u p wards or downw ards , to suit your needs.
2-8 C H A P T E R 2: C R E A T I N G Y O U R N E T W O R K The hu b det ect s al l por t co nn ect io ns, so you ca n st art usi n g y our ne two rk im me dia t ely . Wh en y ou nee d mo re po rts, si mply ad d mor e Offi ce Conne ct hub s. If y ou are usi ng port 8 to c onne ct a wor ksta tion, ensure the MDI/MDIX switch is set to MD IX .
Conne cti ng Of fic e Co nnect H ubs To ge t he r 2- 9 Connectin g Hubs Using 10BASE-2 (C oax) When using 10BASE-2 (Coax) cable, it is impo rtant that bo th ends o f the segment are properly terminated with 50 O hm terminators ( end pieces ) . Only use 50 O hm 1 0BASE-2 (Coax) cables and u se a ‘Y ’ piece for ea ch hub.
2-10 C H A P T E R 2: C R E A T I N G Y O U R N E T W O R K Connecting Hubs Using 1 0BASE-T Y ou c an connect hubs t ogether with 1 0BASE-T in a number of ways, but f or si mplicity we recommend the fo llo wing metho d: 1 Star ting from the bottom , connec t por t 8 of the l ower hub to po rt 7 of th e hub im mediat ely abo ve.
S pot Checks 2-11 Check ing H ub C onne ction s When y ou ha ve con nected yo ur hubs, power the m on. The Por t Sta tus LED s for t he por ts yo u have us ed sh ould be gre en for 10 BASE-T , or off for 10B ASE-2 (C oa x). If th ey ar e not , ch ec k your conn e ction s .
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3 A B O U T N E T W O R K M A N A G E M E N T Net wor k man agem e nt is not requir ed t o get your hub wor ki ng, it simp l y al lows you t o c hang e th e w ay it work s a nd to mon itor w hat is ha pp ening to y our network.
3-2 C H A P T E R 3: A B O U T N E T W O R K M A N A G E M E N T inform ati on throu gh a variet y of ser vi ces. Thi s appendi x describes t hese services.
Conne ctin g to the H ub an d Managi ng 3- 3 ■ Con figure securi ty for th e hub , in clud ing settin g up new users and spec ifyi ng wha t equip men t is al lo we d to com m u ni ca te t hro u gh th e hu b . ■ Set up r es ilienc e; s pecify a ba ckup co nnection tha t takes over sh ould a ma in connec tion fai l.
3-4 C H A P T E R 3: A B O U T N E T W O R K M A N A G E M E N T Fi gur e 3-1 Dif ferent M anag ement C on nections T o The Hub Mana gin g T hr ough the C onsol e P ort This s ect ion d esc ribes ho w to co nnec t an d se t up equ ipmen t t o co mmuni ca te wi th th e hub thr ough the co nsole p or t (call ed out-of-ban d ma nage me nt ).
Conne ctin g to the H ub an d Managi ng 3- 5 Using Qui ck Config M anage r C onnec t one end of the null mo dem c able to the co nsole port on th e hub , a nd the o the r to the s eri al (RS 232) port on y our man agement s tat ion. Qu ic k Co n fig M a na g e r u se s SL IP to ma n a g e yo u r hu b .
3-6 C H A P T E R 3: A B O U T N E T W O R K M A N A G E M E N T Mana g ing O ver th e N et wor k Th is se c tio n de sc r ib es how to se t up eq u ip m en t to allow yo u to com munic ate with the hub over the ne twor k (c alled in-b and mana gement ) .
Re mot e M a nag e me n t Ser v ice 3- 7 Refer to Chap t e r 5 for info rmat ion on pe r for ming add iti on al m a nage me nt u sing t he V T100 mana g em ent in ter fac e.
3-8 C H A P T E R 3: A B O U T N E T W O R K M A N A G E M E N T 16710.bk : ABOUTMAN.FRM Page 8 Tuesday, O ctober 7, 1997 11:38 AM.
4 M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R This c hapter d escri bes how t o in stall a nd use Qui ck Config Man ager.
4-2 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Ins tall atio n Proc edure Quick Conf ig Manag er can be insta lled o n it s own or on to a wor kst ati on tha t alrea d y has ot he r T ran scend ® ma na gem ent app licat io ns in sta lle d on it .
Confi guring Mul tiple Hubs 4- 3 If yo u ar e go in g to ma na ge ove r a s er ia l li n k fro m your ma na gem ent statio n, Q uick Confi g M anag er uses COM 1 as the d efault seria l por t. Y ou can chang e this by e ditin g the foll owing line u nder the [slip] subs ection o f the QUICKMGR .
4-4 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Fi gur e 4-1 Quic k Config Ma nage r Wind ow Ma p 16710.
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4-6 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Accessing t he Hub The O fficeCon ne ct Hub 8/TP M use s com mu nit y strings a s a sec uri ty me asu re, to ch ec k m an agem en t acces s to the hu b .
Giving t he Hub an IP Addres s 4- 7 Y ou ca n a lso use t he Comm unit y/Polling screen to: ■ Au tomat ica lly di sp la y a gr aph ic al r epr ese nt ati on of the hu b e ver y ti me y ou star t Q u ick Con fi g M ana ger. ■ Def ine h ow regu larly th e grap hic al represe ntat ion of th e hu b is up d at ed.
4-8 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R T o di splay th e IP Setup dialo g box a nd view o r configure the hub’ s address set ting s: 1 Fr o m t h e Conf igure men u , sele ct IP Setup .
Giving t he Hub an IP Addres s 4- 9 2 Ent er the relevan t informat ion in to th e IP Se tu p diolog b ox or Easy Set up screen s an d clic k on OK to exit th e screen s. 3 Res et t he hub for an y c ha nges to t ake ef fe ct, se e “R esetti ng th e Hub” o n pa ge 4-11 .
4-10 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R ■ Subnet M ask — Pro vid es a box for y ou to type the subn et mas k for the I P address. ■ En ab le IP — If disa bl ed, the IP field s for th is dial og box are bl an ked a nd g rayed-o ut.
Rese tting the Hub 4-11 Resetti ng the Hub Resett ing t he h ub simul ates sw itching t he hub off and on. Y ou may want to reset th e hub if you wa nt to: ■ Apply a ny c hanges made t o th e hub ’ s IP c onf i gur atio n. ■ Re sets th e h ub’ s stat is tic s coun te rs .
4-12 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Vie wing the Hub Quic k Con fig M ana ge r ca n disp lay a g rap hic al represe nt atio n of th e hub .
Displaying I n formation About the Hub 4-13 Displa ying Informat io n About th e Hub Qu ick Conf ig Mana ge r enabl es you to d isplay det aile d infor m ation abou t th e hu b . Thi s info rmat ion is store d withi n the hub in a list, c alled a MI B (Ma n ageme n t In fo rmat ion Base ).
4-14 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R sysD esc r Shows the sy stem des cript ion suppl ied by t he h ub ’ s Ma nage me nt Ag en t s of twa re . sysO b je c tId Shows the SN MP objec t identifier for t he h ub ’ s Ma nage me nt Ag en t s of twa re .
Setting U p t he Ale rt L ED 4-15 Settin g Up the A lert LED T he A lert LE D ca n war n y ou of p ote n tia l pr o bl ems with your networ k. Quick Con fig Manager allows yo u to : ■ T est th e Al ert LE D. ■ Config ure the c ond ition s th at cau se the A ler t LED to li ght.
4-16 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Fi gur e 4-6 Alert s P anel 3 Config ure the co nd ition s fo r the Al er t LED. 4 Cl i ck on OK wh en th e Aler t LE D se tu p i s comp let e. If any Aler t con diti ons are ac ti ve, the con d itions ar e dis playe d in r e d.
Setting U p t he Ale rt L ED 4-17 C oa x P ort P arti t io n Enabled / Dis ab led Allows y ou to s pecif y whethe r th e Alert LED lig hts if the c oaxial por t be comes pa rtitioned. If this condit ion i s resolve d after causi ng the Ale rt LE D to lig ht, th e L ED g o es off (i t st ays lit if ot he r condi tions also ca used it t o lig ht).
4-18 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Networ k U til izati on Hi g h / M ed / Low / Di sabled Allows y ou to s peci fy whet her th e Alert LED ligh ts if a c er tain leve l of ne twork uti lizat ion is exce eded for fiv e seco nds.
Monitor ing 4-19 M oni toring Ac tivit y an d Er rors S tatisti cs Quick Config Manage r allows you t o display the total n et work acti vi ty an d err or s se en by a po rt or the h ub (all p or ts) in any one tim e peri od.
4-20 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R T ota l Error s Shows t he total n umber of errors th at ha ve occurre d per poll, it should be a small percent age of th e reada ble fram es figure.
Monitor ing 4-21 F rame T y pe s S t ati s tic s Quick Config Manage r allows you t o display the total netw ork f rame t yp es seen by a po rt or the h ub (al l ports) in a ny one t ime period.
4-22 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Unic ast Show s t he pe rcen tage of re adab le fr ame s received that are addre ssed to singl e devic es. Multi cast Show s t he pe rcen tage of re adab le fr ame s re cei ved th at a re address ed t o mult iple de vices .
Monitor ing 4-23 Figure 4-9 Networ k Tr affic Grap h Ne twork Er rors Statist ics Quick Confi g Manager allows y ou to d ispla y the nu mbe rs of fram es with error s seen by a p or t or the hub (all por ts ) in any one time period.
4-24 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Fi gur e 4-10 Network Errors G raph FCS Er rors Shows t he num ber of f rames rec eived wit h ch ecks u m er r ors tha t do not have a lig nmen t erro rs.
Config uring a P ort 4-25 Check th e cab le routin g and reroute any ca bl ing which may be aff ected by other noi se sources . Lat e Ev en ts Shows t he num ber of fram es for w hich a collis ion was dete cted afte r the val id pack et mi ni mum ti me.
4-26 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Y ou ca n co nf igu re a por t so th at it sen ds a trap to a ne twor k ma nage me nt ap plic atio n w.
Config uring a P ort 4-27 5 Select eit her En able or Disable fo r Lin k T raps, Par titio n Traps, and Learn Stat ions . 6 Clic k o n OK . In the Repeater Port Info panel: Medi a T ype Sho ws the type of me di a co nnect ed to th e p or t .
4-28 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Hub Security The O fficeCon ne ct Hub 8/TP M provid es flex ible com mu nic atio n bet ween you r wor ks tatio ns and other net work eq uipme nt.
Hub Security 4-29 Co nfig uring S ecurity at Port Level T o co nfi gure sec urit y fo r a por t: 1 Fr o m t h e Vi ew menu , se le ct Zo o m I n to d isp lay th e re pres entati o n of t h e h ub . 2 Double-c lick on the po r t for which you wan t to con fig ure s ecu ri ty.
4-30 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R ■ MAC Address — Allo ws you to ent er the MA C add ress f or a devi ce to b e au thori zed to t ran sm it thro ugh th is port. When you hav e typed t he MA C addr ess , clic k on <A dd .
Hub Security 4-31 ■ Disable on Intrusion — Comp ares th e source add ress of all fra mes rece i ved on the p or t to the auth orized ad dresse s fo r that por t. If th e source addr es s o f t he in comi n g fram e does n ot m at ch the autho rized a ddres ses fo r thi s p or t, the por t is disa bled to preven t comm un icat ion.
4-32 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Fi gur e 4-13 Security Configu r ation Panel Quick Conf ig Manager d isplays the Se curity Confi gurat ion panel , as s how n in Figu r e 4-1 3 . 3 Config ure the se cur it y featur es for ea ch po rt.
Res ilien ce 4-33 Resilien ce Y ou can make your network more robust by adding re s il ie nce to it. When a lin k fai ls, as shown in Fi gure 4- 14 , all comm un icatio n betw een eq uip ment o n each side of the li n k is lo st.
4-34 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Resilient L inks are av ailable over twist e d p air media (10BASE-T ) because it carries a link test pulse which is used to decide whether the main link h as failed and the standby link should take over .
Res ilien ce 4-35 CA UTION: Remember that you m ust always follow the hub conn ection requirements when linking hubs together , which involves the use of port 8 a nd the MDI/MD IX sw itch. If por t 8 is already in use, you may need to use special cross over cabli ng for any fu r ther lin ks you wis h t o make.
4-36 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R Fi gur e 4-16 Create Resili ent P air Dialog Bo x In th e Resilie nce Links panel: Main P ort Shows the po rt numbe r of the main link. Sta n dby Por t Shows t he por t numbe r of the stand by lin k.
Using the Hub to Mo nitor Oth er Device s 4-37 Dele te Remov es the r esilie nt l ink pair from the tabl e when a n entry in t he res ilien ce table is sele cted. If yo u de le te a n en tr y i n t he re sil ie n ce tab l e, t he cu rrent ac ti ve link rem a ins en abl ed and the c urre nt st an db y l ink i s ca nc el le d .
4-38 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R 2 In the General Info dial og bo x, choose the WorkGroup ca te go r y . 3 In the Work Gro up M oni tor p ane l, clic k on Add . Quick Conf ig Manag er dis plays t he A dd Re mote P oll dia log b ox, as s how n in F igure 4- 17 .
Additional Ma nagement 4-39 Wh en y ou h av e ad ded a devi ce t o t he Wo rk Gr oup Monit or table , it s entry i s co lor- code d: ■ Gr een — De vic e be ing polled and c ommu ni ca ti ng . ■ Red — Device being polle d but is not c ommu ni ca ti ng .
4-40 C H A P T E R 4: M A N A G I N G Y O U R H U B U S I N G Q U I C K C O N F I G M A N A G E R 16710.bk : MANAGING.FRM Page 40 Tuesday, Oc tober 7, 1997 11:38 AM.
5 A D D I T I O N A L M A N A G E M E N T U S I N G VT100 Th is c ha pte r de s cr ibe s th e ad di ti on al man a ge men t tasks you can per for m using VT100®. F or an overview of th e ma nag em ent you can per f or m and the di ff er ent w ay s y ou can ma ke a manage ment conne c tion to th e hub, see Chap ter 3 .
5-2 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 Scree n Compon e nts The ma in pa r t of a typical scree n contai ns sev eral diffe rent types o f it em.
VT100 User Interface 5- 3 Specia l Key stroke s As well as the k eyst rokes prev io usly de scr ibed, there are severa l othe r keys trok es for contro lling the VT100 in t er face .
5-4 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 Repeater , Unit and P o r t Screens There a re three l eve ls at whi ch yo u can mana g e the hu b using VT100: ■ Repea ter — If you manage a t Repeate r lev el, y ou are mana gi n g or v iew ing the de vi ce a s a who le.
S cr een M ap 5- 5 Figure 5-1 VT100 Scr een Map 16710.bk : MANVT100.FRM Page 5 Tuesday, October 7, 1997 11:38 AM.
5-6 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 Getting S tarted Th is s ec t ion ex pl a in s l o gg i ng on t o th e VT 10 0 manag ement fac ility , dis playin g the main menu and logging off.
Getti ng S tarte d 5- 7 If you cannot see the main ban ner o r it displays incorrectly , it may b e tha t: ■ Y our terminal is not configured as a VT100 terminal. Check t hat your term inal is set u p to operate with the same pa rameters that the h ub ’ s console p ort uses.
5-8 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 If you a re loggi ng on for t he first time (af ter installat ion or initializa tion), use on e of the default user nam es and passwords sh own in th e followin g table.
Getti ng S tarte d 5- 9 Mai n M enu T he Ma i n Me n u, as sh own i n F ig ure 5-4 , is us ed f or acc essin g the vari ous VT100 scr een s. Figure 5-4 Main Menu If you are using th e man agem en t fa.
5-10 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 C onfig uring an d Viewing Setup Inform ation The Ma na gem ent Set up scre en , as sho wn in F ig ure 5-5 , is used t o con figure IP , IPX an d SLIP parame ters fo r the hub.
Confi guring and V iewing Setup I nformation 5-11 SLIP A ddress SLIP (Seria l Line Inter net P rotoc ol) allow s IP to run over th e consol e por t instead of th e netwo rk. SLIP allows you to use out-of-ba nd T elnet or SNMP m anagement, eith er locally or r emote ly throug h a mo dem .
5-12 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 Stat us En ab le d / Disabled This fiel d shows w het her the data link protocol is enab led. Choo se Disab led if yo u wish to preve nt acces s for any re aso n, su ch as s ecu rit y con side rat ions .
Co nne c ti ng a Mo de m to t he Con sol e P or t 5-13 IP or IPX Address En ter the IP o r IP X a ddr e ss of th e remot e netwo rk manageme nt sta tion t o which SNM P traps sho uld be sent.
5-14 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 Fi gur e 5-7 Cons ole Por t Se tup Sc ree n If you alte r th e co ns ole port set tings a nd sel ect OK , y ou terminat e any existi n g sessio n u si ng the console po r t .
Co nfigurin g Loc al Se curity 5-15 Flow Con trol NONE / XON / XOF F / RTS - CT S Bidirec ti onal / R TS - CT S U ni direct iona l Sele ct the flow con trol option that corre sponds wit h yo ur ter m in a l o r m o d em . Sp ee d Auto -Con fig / 1 200 / 2400 / 48 00 / 9600 / 19200 Selec t the baud rate fo r your term ina l or mod em.
5-16 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 The ac ce ss level s are def ine d as : ■ Monitor — Th is allo ws the user t o v iew th e essenti al ope ratio ns of the hub and to esta blish wheth er or not th e hub is opera ting corr ectly .
Configu ring User s 5-17 Co nfi gur ing User s Crea tin g Us er s The Cre ate Use r screen, as show n in F ig ure 5-9 , is used to ad d new us ers. This o ptio n is a va ilable only for use rs with secu rit y access l e vel. There can be up to 1 0 u ser s, inc lu di ng th e th r ee d ef au lt u se rs .
5-18 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 Editing Users T he E di t Us er sc re en , a s sho wn i n F igure 5- 10 , is used to cha nge your ow n passw ord or commu nity st ring. This option is av ailable only for users with securit y acc ess l evel.
Pollin g a Remote Device 5-19 Dele tin g U ser s The Del ete Users sc reen, as shown in Fi g u r e 5 - 1 1 , is used to re move users f rom th e User List . The Use r List show s all of the users config ured fo r the hub. This o ption is av aila ble only for user s wit h securit y acces s le vel.
5-20 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 The O ffice Co nnec t Hub 8 /TP M must have an IP or IPX address confi gured for it, to enable it t o receiv e responses from the d evice it is polling. T a rget Add res s Enter the IP or IPX ad dress of the de vice t o p ol l.
Downloading a Software Upgrade 5-21 Syst em Up T im e This field indicate s how long the hub h as been run nin g since t he last rese t. Numbe r o f Reset s This fie ld shows the total nu mbe r of res ets si nce the hub was first in stal led, or init ializ ed .
5-22 C H A P T E R 5: A D D I T I O N A L M A N A G E M E N T U S I N G VT100 inform ati on throu gh a variet y of ser vi ces. Thi s appendi x describes t hese services.” on page C-1 . The s oftware download can be perfo rmed t hrough a serial connection (over SLIP) bu t it is much fa ster over the ne tw ork .
6 P R O B L E M S O L V I N G The Office Conne ct® H ub 8/T PM has b een de signed to aid y ou whe n dete cting and s olving possi ble proble ms with your network. These pr oblems a re rarely ser ious, the c ause is u sually a disconnec ted or damage d cable , or incorre ct configur ation .
6-2 C H A P T E R 6: P R O B L E M S O L V I N G P rob lems Wh en Usin g Y our Hub P owe r LED not l it. Check you r powe r adapte r connection. If ther e is sti ll no power , yo u may have a fault y po wer ad apter w hic h need s repl acin g wit h ano ther O ffi ce C o nnec t pow er a da pte r .
Problems When Using Quick Config Manager 6- 3 P rob lems Wh en Usin g Quic k Co nfig Man ager Y ou cannot ac ce ss the hub . F or a s uc ces sf ul l oc a l mana g ement con ne ctio n, yo u need to use.
6-4 C H A P T E R 6: P R O B L E M S O L V I N G Check the set ting s on yo ur term inal or em ulat or . The par ity must be se t to ‘ non e ’ , th e s top bi t ‘ 1 ’ and t he chara c ter si ze ‘ 8 ’ . T he ma na geme nt fa cil ity ’ s auto co nfigurati on works o nly wit h spee ds fr om 120 0 to 19200 baud .
Problem s Wh en Using an IP/IPX - ba se d Ma nage m ent Ap plic ation 6- 5 Th e IP /IPX -based ma nageme nt a ppli cat ion can no lo ng e r a c cess t he d e vic e. Chec k t hat Comm unity-SNMP acc ess is e nabled , see “C onfiguring L ocal Se curity” on pag e 5- 15 .
6-6 C H A P T E R 6: P R O B L E M S O L V I N G 16710.bk : PROBSOLV.FRM Page 6 T uesday, October 7, 1997 11:38 AM.
A D I M E N S I O N S , S T A N D A R D S A N D C A B L I N G Dime nsions and Opera tin g Env ir onmen t Fi g ur e A -1 Dim ens ions And Op erati ng E nviro nment For Th e Hu b BABT Appr ov al ( for U.
A-2 A P P E N D I X A: D I M E N S I O N S , S T A N D A R D S A N D C A B L I N G Ca b l i n g 10BASE-T Fig ur e A- 2 Pin Numberin g For 10BASE- T Straight-throug h Fig ur e A- 3 Straight-thr ough 10BASE-T Cabling Cr oss over Fig ur e A -4 Crossover 10BASE-T Cabling 16710.
Cablin g A-3 C o nsol e P ort Fi g ur e A -5 Pi n Nu mb eri n g F or Ser ia l C on ne ctio n Ex am pl es of Nu ll Mod e m C ab l es Y ou Can U s e Fi g ur e A -6 Exampl e Of Null Modem Cabli n g F or 9 P in W orkst atio n Fi g u re A- 7 Example O f Null Mo dem Cabling F or 25 Pin Workstation 16710.
A-4 A P P E N D I X A: D I M E N S I O N S , S T A N D A R D S A N D C A B L I N G Mod em C abl e Fig ur e A- 8 M odem Cabl ing For 25 Pi n Modem Mana ge ment Se ttings Y ou ne ed to set yo ur mana g ement equi pme nt to: ■ Character size — 8 ■ St op bit — 1 ■ P arity — No n e 16710.
B IP A N D IPX A D D R E S S E S IP Addresses A wor ld -wi de ne t wor k su ch a s th e Inte rn et nee ds a gl oball y-a cce pte d met hod of ide ntifyi ng indiv idua l de vi ce s (wo r k sta tio n s an d ne two r k e qu ipm en t) . Dev ices on th e Int ernet ar e as s ign e d uni que add resses.
B-2 A P P E N D I X B: IP A N D IPX A D D R E S S E S Obtainin g a Network Nu mber There a r e th ree organ izatio ns respo nsibl e for allo cat in g networ k number s.
IP Address es B-3 Asia Pa ci fi c Ne twor k In f orm ati o n C e nt re (APN IC- DO M) A tt ent ion: Asia Pa cif ic Ne two rk In form atio n Centre (APN IC- DOM) c/o Com puter Ce nt re Univers ity of T okyo 2-11- 16 Y ay o i Bunkyo- ku, T okyo 113 Japan Admi n .
B-4 A P P E N D I X B: IP A N D IPX A D D R E S S E S Cl ass A . Th e hi g hes t o rd er b i t is set to 0, g i vi ng a seve n-b it net wor k nu mbe r an d a 2 4-bi t dev i ce addr es s. Y ou ca n ha ve 125 netwo rks wi th 16,777,2 14 de vice s per ne two r k, an d t he add res s es are in th e ra nge 001.
IP Address es B-5 The bi ts of the su bnet m ask are set to 1 if the devi ce sh ould tr ea t the co rrespo nding bit in th e IP a ddr ess as par t of the origi nal netw ork numb er or as par t of the subn et number.
B-6 A P P E N D I X B: IP A N D IPX A D D R E S S E S IPX Addresses If you a re using th e IPX p rotocol, t he O ffice Connec t® Hub 8/TP M is allo cat ed an IPX addr ess auto matica lly b y the local I PX router or NetW ar e Fil e S erver. This happen s appro ximate ly 60 s econds after the hub is po w ere d up f o r th e f ir st ti me .
C T E C H N I C A L S U P P O R T 3Com provid es easy access to techn ical suppo r t infor mation th rough a var iety of services. This appe ndi x descri bes thes e ser vi ces. Informat ion con tained in thi s appen dix is c orrect at time of public ation .
C-2 A P P E N D I X C: T E C H N I C A L S U P P O R T Ac ce s s by Di gi ta l M o d e m ISD N us ers c an di al in to 3 Com BB S us ing a dig i ta l mo de m for fas t ac ce ss u p to 5 6 K bp s.
On line Te chnical Serv ices C-3 3C omF oru m on C omp uSe rve O n li ne Servi c e 3ComForum is a Com puS er ve-b ased ser vi ce co ntain- ing pat c hes , software , driver s, and te chni cal artic les about all 3C o m pr oducts , as well as a mes saging section fo r peer su ppor t.
C-4 A P P E N D I X C: T E C H N I C A L S U P P O R T Supp or t from Y our N etwork S upplie r If add iti onal assi st an ce i s r equi red , co nt act yo ur ne twor k supp li er .
Support fro m 3Com C-5 3Com B enel ux B.V . Belgium Netherlan ds 32 2 725 0202 31 30 6029700 3C om Ca nada Calgary Montre al Otta wa Toronto Vancouver 403 26 5 3266 514 68 3 3266 613 56 6 7055 416 49 .
C-6 A P P E N D I X C: T E C H N I C A L S U P P O R T Re turning P roducts for Repair Before yo u send a produc t d irec tly to 3Com for re pair , you mu st f ir st obta in a Retu rn Mat eria ls Author izat ion (R MA ) num ber.
I N D E X Num erics 10BASE-2 1-2 , 2- 5 conn ecti ng hubs 2-9 segment 1-3 10BASE-T 1-2 , 2-4 , 2-5 , A-2 conn ecti ng hubs 2-10 3Com Bu lle tin Bo ard S e rv ic e (3C om BBS ) C-1 3C om sales off ices.
a modem to th e c onsole port 5-13 manag emen t 3-3 wor ksta tions 2-7 c o nne c ti ng hub s tog et her 2-8 using 10BASE-2 ( Coax) 2- 9 using 10BASE-T 2-10 con nec t io ns checking 2-11 hu b 2-5 wor k.
conn ect ing to anothe r hub 2-8 connections 2-5 d oub le- cli ck i ng 4-12 g ene ral inf o rma tio n 4- 13 gettin g started 1-1 gr ap hi cal repr e sen t ati on 4-7 , 4- 12 ini tia lizi ng 4-11 IP a .
MIB I I d ialo g b ox 4-13 mo dem 1-4 , 5-13 , A-4 mo dem d ia l-ou t 3-7 mo nit or f ail u re 4-17 monit ori ng 4-18 other devices 4-37 mo u nti ng 2-7 mu ltic a st fr am e s 4-22 N Ne ed To K no w 4.
re mote mana gement service 3-7 Rem ote Poll screen 5-19 re mote t elnet acce ss 5-16 reseller support tool 3-7 rese tti ng the hu b 4-11 resi li ence 4-33 Res il ienc e di alog b ox 4-35 resi li ent .
te mpe r atu re A-1 Te r m i n a l 3-5 te rm in al em ul ato r 3- 3 , 3-5 connecti ng 3-5 te rm in al sp e ed 5-15 terminology 1- 2 te sti n g t he Al er t LE D 4-16 TF T P s e rver ad dr es s 5-22 th.
L I M I T E D L I F E T I M E W A R R A N T Y HA RDW ARE: 3Co m wa r rants i t s ha rdware pro du cts to be free fr om de fects in wor kmansh ip an d mat erials , under nor mal u se and service, for t.
W ARRA NTIE S EXCL USIVE: IF A 3CO M PRODU CT DOES NO T OPERA TE AS W ARRANTED ABOVE, CUSTOMER’ S SOLE REMEDY F OR BREACH OF THA T W ARRANT Y SHALL BE RE P AIR, RE PL A CEM EN T , OR RE F UND O F TH E P URCH ASE PRICE P AID , A T 3COM ’S OPTI ON.
EMC S T A T E M E N T S FCC STA TEM E NT: This eq ui pment has been teste d and found t o comply with t he limits for a Class B digit al device , pur suant to par t 15 of the FCC ru les. Th ese l imits are de sign ed to prov ide r easo nab le pro te ctio n ag ain st har m ful inte rfe rence in a r esidential instal lation.
16710.bk : EMCSTATE.FRM Page 128 T uesda y, October 7, 1997 11:38 AM.
An important point after buying a device 3Com 3C16710 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought 3Com 3C16710 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data 3Com 3C16710 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3Com 3C16710 you will learn all the available features of the product, as well as information on its operation. The information that you get 3Com 3C16710 will certainly help you make a decision on the purchase.
If you already are a holder of 3Com 3C16710, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime 3Com 3C16710.
However, one of the most important roles played by the user manual is to help in solving problems with 3Com 3C16710. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3Com 3C16710 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
