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ONline Ether net Management Module Inst allation and Operat ion Guide Doc u men t Number 17 -00087-7 Print ed March 1 995 Mod el Num ber: 51 01M- MGT So ftw are V ersion: 4.0 3Co m Co rporatio n 118 T urnpike Road South bo r ough , MA 0 177 2-188 6 U.
ii O Nline Ethern et Man ag em ent M od ule Inst allatio n and Op eration G uid e Federal Commun ication s Co m mission Notice Th is equi pment has bee n t este d a nd f o und to com ply with the limits for a Class A digital device, pursu ant to P a rt 15 of the FCC Rules.
ONli ne Ethern et Man agem ent M odul e Installatio n and O peration G uide iii Stac k J ack, St a c kSyste m , and S wi tc hCentra l are tra demarks of Chipcom C orpora tion. The Chipcom Multich annel Archit ectur e Co mm unications Sys tem is re gistered under U.
iv O Nline Ethern et Managem ent M o dule In stallatio n and O peratio n G uide.
Contents ONlin e E thernet Manag ement Mod ule Installatio n and Op eration Gu ide v How to Use This Gu ide Audien ce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv Structu r e of This Gui d e . .
vi O Nline Eth ernet M anagemen t Mo dule Installat ion an d Oper ation Guid e Reset Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 RS-232 Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ON lin e Ethernet Manag ement M odule Install ation a nd O peration G uid e vi i Showin g M od ule Inf orma t ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 -25 Showin g Por t Info rm atio n . . . . . . . . . . . . . . . . . . . . . .
viii O N lin e Ethernet M anag em ent M odule In stallatio n and Op eratio n G uid e App endix B — R S-232 C able Specs and Mo dem Use RS-232 Cable Spec ificat ion s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 Mode m Use .
ON lin e Ethern et Manag em ent M od ule Inst al latio n and Op eration G uide ix Fig ures Figure 1-1. EMMs in Netwo rk Config urat ion . . . . . . . . . . . . . . . . . . 1-3 Figure 1-2. Ethernet Man ageme nt M o dule C omm uni cation in the ONli ne System Co ncen trato r .
x O Nline Ethernet Managem en t Mo dule I nstallation an d Operat ion G uide.
ON lin e Ethern et Manag em ent M od ule Inst al latio n and Op eration G uide x i Ta ble s Table 1-1 . Ethernet Backp lane Com bi nation Ref erence Chart . . . . . 1-10 Table 1-2. Token Ri ng Backplane Com bination Referen ce Char t . . . . . . . . .
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ON line Ethernet M anageme n t Mo dule Installat ion an d Oper ation Guid e xii i How to Use This G uide This guide presents the principal featu r e s of the 3Com ONline™ E t hern et Networ k Manag ement M odule ( E MM) for versio n 4.
xiv O Nline Eth ernet M anagemen t Mo dule Installat ion an d Oper ation Guid e Audi ence This guide is inten ded f or th e follo wing p eople at yo ur site: ❑ Netw ork manag er or adm i nistrator .
ON lin e Ethernet Manag ement M odule Install ation a nd O peration G uid e xv Appendix B, RS-232 Cable Specificati on and Modem Use – D escribe s the variou s RS-23 2 cabl e conf igu ratio ns that can be used to con nect a device to the E MM serial port .
xvi O Nline Eth ernet M anagemen t Mo dule Installat ion an d Oper ation Guid e Docu ment C onve nti ons The follow ing doc umen t con ven tion s are used in this manual: Con vention In dic ates Exam pl e Couri er t ext User in put In th e Agen t In form ation F orm, enter MI S i n t he N ew Contac t field.
ONline Ethernet Man agemen t Mo dule Installation an d O peration Guide xvii Related Do cum ents This section provi des in formation on suppo rtin g doc ume ntatio n, inclu ding : ❑ 3Com Docu ments ❑ Reference D ocumen ts Note: A Note . The inform at ion is impo rtant Note: Use STP l obe cables f or your syst em.
xviii O N lin e Ethernet Manag ement M odule Inst allation and Op eration G uide 3Com D ocu ments The follow ing doc umen ts provide additi on al info rmatio n on 3C om products: 17-Sl ot ONlin e Syst.
Introd uct ion 1 - 1 1 Introduction This chapter pr esents an overview of the ONline™ Ether net Manag ement Modu le (EM M) for soft ware version 4.0 soft war e. A brief descr iption of the new f eatur es in v ersion 4 . 0 is p r esented first. Also in cluded i s a sample applicatio n of using the EMM in a networ k con figuratio n.
1 - 2 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide The major features of the EMM includ e: ❑ T elnet suppor t for remotely m anaging the EMM v ia inb and conn ecti on ❑ Inban d networ k m anagem en t v ia S NMP for lo cal and re m ote conf igu ratio n capabilit ies for all concen trators in th e netwo rk.
Introd uct ion 1 - 3 Figure 1-1. EMMs in N etwork Config uration Theory o f Operatio n The EMM can b e installed into any slot in t he con centrato r and communicates with all other mod ules in the concentrator via a dedicated control bu s o n th e conc entrator b ackplane as shown in Figure 1- 2.
1 - 4 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide Like media modules in s talled i n the ONline System Con centrator , the EMM is assigned to a networ k on the co ncentrator backp lane.
Introd uct ion 1 - 5 Compl ete ONlin e Co ntr ol When you install an EMM in to a concen trator for the first ti m e and it become s master , it aut omatically lea rns a nd saves the con figu rations of all existing module s and their por ts.
1 - 6 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide The EMM B asic V ers io n The EMM Basic p r ovides: ❑ Local in band softw are upgrade s using TF TP (T ri vial File T.
Introd uct ion 1 - 7 Network M anag ement Ac ces s The EMM provide s several ways to access networ k management . For inband managem ent, th e EMM provid es built -in SN MP (Sim ple N etwor k Managem ent Protocol) agen t, th e d e facto ind ustry stand ard for networ k management.
1 - 8 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide ❑ SNMP S uppo r t - S NMP (S im ple Network Managem ent Pr o tocol) is a protoco l defined b y the In ter net co m munity . T he EM M act s as an age nt in an S NMP mana ged en vir onme nt res pondi ng to S NMP re quests and generati ng SNMP trap s.
Introd uct ion 1 - 9 This is no t true for T oken Ring an d FDDI networks an d paths. Ther e are 7 available T oken Ring ne twork s and 15 T oken Ring p aths .
1 - 10 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e As shown i n T able 1-1, Ether net_3 is the best Ether net netw ork selection t o use in a mixed pr o tocol environ ment because it af fects the least amoun t of T oken R ing a nd FD DI n etwork paths .
Intro du ction 1 - 11 T oken Ring 4 removes Ether net 1 FDDI 2 T oken Ring 5 removes Ether net 1 FDDI 2 an d FD DI 3 T oken Ring 6 removes Ether net 1 FDDI 3 T oken Ring 7 removes Ether net 2 FDDI 4 T.
1 - 12 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Wher e T o Go Fr om Her e This chapt er p r esented an o verview of the O Nline Ether net Managem ent Modu le and its co ntrol capabil ities.
Unpackin g and Install ing the Mo du l e 2 - 1 2 Unp acking and Installing the Module This chapter descr ibes the precaution ary , unpacking, and installati on procedures for the ONline Ether net Man agement Mo dule (EMM). It also describes the mod ule's fro nt panel LED s , Reset Button, and RS-232 s erial port c onnecto r .
2 - 2 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide Unpac kin g Proced ur e Use the follow ing proced ure when unp acking the EMM : 1.
Unpackin g and Install ing the Mo du l e 2 - 3 Ins tall atio n Pro ced ures For a new installation where y ou h ave r eceived a new ON line System Concen trator and all th e modules, th e follo wing st eps must be perf ormed prior to installin g the EMM : ❑ Install th e concentr ator in it s locati on (rack, table, etc.
2 - 4 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide Wa it for the Status LED an d Master Mgt Mo dule LED to lig ht so lid green. At this point the EMM will lear n t he defaul t module and port settings fo r all mod ules installed in th e con centrator .
Unpackin g and Install ing the Mo du l e 2 - 5 Figure 2-2. Installed EM M C onnected to a T ermin al The RS-232 cable can be a m a ximu m o f 50 ft. in len gth. There ar e several legal RS-232 cabl e config ur ations available dependi ng on your installat ion.
2 - 6 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide 2. The following m essage s hou ld d isplay on the term inal scr een once the modul e is installed pr oper ly and the RS-232 c onnection is made: Et he rnet Ma na geme nt Mod ule ( v4.
Unpackin g and Install ing the Mo du l e 2 - 7 Status LED The Status LED displays a steady gr een glow to indicate that power is bein g provided to the EMM and that the EMM is wo rking proper ly . This LED blinks when an error o cc u rs during operation or if an error is f ound w hen diagno stics are p erform ed d uring a reboot .
2 - 8 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide Do wnload in Pr ogress LED The Down load in Progr ess LED displays a steady yellow gl ow when softwa re is being do wnload ed to the Flash EPROM on the E MM. See Chapter 5, Software Dow nload Instruc tions, for det a ils o n do wnloadin g new softwar e .
Unpackin g and Install ing the Mo du l e 2 - 9 W her e t o go Fr om Her e This chapter co vered installatio n procedures for installing th e EMM into a concen trator . Also provided were descript ions of the EM M front panel LEDs, RS- 232 p ort, and t he R e s et Button .
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Startup and Manag em ent Func tion s 3 - 1 3 Startup and Ma nagement Functions This chapter descr ibes how to config ur e the EM M once yo u have com pleted th e in stallation procedures outlin ed i n Chap ter 2. In cluded in th is chapter is a quick reference ch art for get ting started.
3 - 2 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide Quick Refer en c e for Getting Started T able 3- 1 ou tlin es th e steps an d comm ands n ecessary to configur e your EMM. Th e p r ocedures and comm and examples are expl ained furth er through out this c hapte r .
Startup and Manag em ent Func tion s 3 - 3 Savin g and Revertin g Co nfig ura tion V alues When you make conf ig u ration ch anges using the SET command, t hey ar e effective imme d iately but are not saved perm a n ently . T o save comma n ds perma n entl y , use the SA VE command.
3 - 4 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide Use the REVERT command to restore the configuration value s in ef fec t at the tim e of the last save. Any u nsaved ch ange s mad e using th e SET command are lost. The REVERT and SA VE commands sup port the same config urat ion groups as defined belo w .
Startup and Manag em ent Func tion s 3 - 5 . Once you have confi gured you r term inal t o m atch the factory d efaults of the EMM, press [ ENTER] and th e follow ing greeting is disp layed: Eth erne t M anag eme nt M odu le ( v4.0 0) Cop yright (c) 199 3 Chipc om Corp orat ion Press [EN TER ] again a nd the EMM promp ts yo u fo r a passwor d .
3 - 6 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide If you have m ad e c onfigu ration ch anges and you have no t saved tho s e changes, the LOGOUT command prom pts you as follow s : ON li ne> l ogou t [EN TER ] W ARNI NG : Sav e un sa ved cha ng es b ef or e lo gout.
Startup and Manag em ent Func tion s 3 - 7 Setting T erminal Pr ompt It is a good idea to customize the managemen t pr o mpt for each EMM. This will remin d you of th e EMM to wh ich you are con nected in the case wh ere you are logged in to a remot e EMM .
3 - 8 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide ❑ Diagn ostic s ❑ Con tact Nam e and Lo cation Use the follow ing co mmand to set the EMM 's inter nal cloc k. ON li ne> se t cl ock 5: 53 93 /03/ 6 Satu rday [ENT ER] Use the f ollo wing co mmand to d efine the co ncen trator p latform for your EMM.
Startup and Manag em ent Func tion s 3 - 9 Figure 3-2. The 6-Slo t ONlin e System C oncentrator Figure 3-3. The 6-Slo t ONlin e System Conce ntrator with Integrated Contr oller Setting Dev ice Passwor.
3 - 10 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Both th e ad mini strator and th e u ser p as s word can be a m axi mum of 1 5 characters in len gth . N ote th at you m ust enter a password within 10 secon ds foll owing the disp lay of the Passwor d: prompt , or th e term inal will display “T im eout.
Startup an d M anagem ent Functi ons 3 - 11 ❑ Por ts - The EMM can assign each p ort on a per -po rt sw itching ONli ne module to one of the avail able networks. Reco nfiguration of netw ork assignment s can b e d one at any time, withou t re mo ving the module from the con centrator o r disru pting o ther c on figuratio n settin gs.
3 - 12 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Assignin g an EMM Name T o make id entif ication o f yo ur E MMs e asier , 3Com recommends that you assign a unique name to each EMM. Y ou can th en use this name instead of the IP address or MAC address t o r efer to a p articular EM M.
Startup an d M anagem ent Functi ons 3 - 13 Con figu ring SNMP V alu es SNMP (Simp le N etwork Man agement Protocol ) is a proto col defined by the Inter net co mmun ity . All TCP/IP-ty pe traffic is encapsulated in Ether n et fram es. The EM M supp orts SNMP by responding to SN MP requests and generating SN MP traps .
3 - 14 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Note: When you use the IP Addre ss entry of all , yo u cannot use tr ap, r ead_tr ap , or all access. The three “old ” trap opt ion s shoul d be used w hen sending traps to workstatio ns using the 3C om M IB I variab les.
Startup an d M anagem ent Functi ons 3 - 15 Assignin g IP Addr esses T o run SNM P properly , every devic e on your netw ork must have a uniq ue IP address . Us e the SET D EVICE IP _ A DDRESS co m m a nd as sho wn to assign an IP addres s fo r the EMM on network 1.
3 - 16 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Setting a Sub network Ma sk The subnetwork mask is spec ific to each typ e of Int er net class.
Startup an d M anagem ent Functi ons 3 - 17 Enab lin g T rap Receiv e The Advanc ed versio n of EMM softw are provi des y ou wi th the ab ility to set the EMM as a trap r ec eiver . As a trap receiver , the EMM r e ceives traps from other SNMP devic e s that have th e EMM's IP address in their community table.
3 - 18 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e If you isolat e a module, the isol ated mod ul e cannot send or receive any traf fic from o ther mo du les in the con centrato r .
Startup an d M anagem ent Functi ons 3 - 19 Note: When you pow er up a co ncentrat or in whi ch mo re than one man agement m odules is set to prio rity l evel 10, on e management mod ule is randomly cho s en as master . 3Com r ecommend s that yo u assign p riority level 10 to o nly o ne manag em ent m odule in t he concen trator .
3 - 20 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Con figu ring Add r es s- to-Port Secu rity The Advan ced EMM provi des addr ess-to-port secu rity which enab les you to as sign a maxi mum of four MAC Addr esses to i nd ividual p ort s in y our networ k .
Startup an d M anagem ent Functi ons 3 - 21 T o imp lement port security , a ssign a MAC A ddress to a given p ort be for e you enabl e the security feature for that por t. Issue the follow ing co mmand to assign a MAC A ddress to port 3 on the module in slot 6: ONl ine> se t secur ity por t 6.
3 - 22 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e By fo llo win g th is gui delin e , you w ill avoid hav ing secu rity con figurati on inform ation restor ed incorr.
Startup an d M anagem ent Functi ons 3 - 23 Figure 3-4. Sam ple R emote Connection Use the TELNET co mmand and specify the IP Addr ess o f the r emote devic e to whic h yo u want to c onnect. O Nlin e> te ln et 127 .3 .6 .58 [E NT ER ] Note that yo u ar e only allo wed one T elnet log in ses sion per EMM.
3 - 24 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Loggin g Out Fr om a R emote Session When you no lo nger need to be connected to a remote d evice, en ter the LOGOU T comm and . This com mand disconn ects the rem ote conn ection and r econnects the session with the local EMM.
Startup an d M anagem ent Functi ons 3 - 25 MA C Ad dr e ss: 08-0 0-8F -10 -6B- B3 D ip Con fig ur at io n: DIS ABL ED Di ag no st ics : EN AB LED T ra p Re cei ve : ENA BLE D Showin g Mo dule Info rm.
3 - 26 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Showin g Po r t Info rmatio n The EMM enabl es you to d isplay t he s tatus of all m odul e port s. Use th e SH OW PORT comma nd to d isplay the mod e and statu s of one port o r all ports.
Startup an d M anagem ent Functi ons 3 - 27 Showin g C o unter S tatistics Once the EMM i s assigned to a netwo rk, it c ontinuously records and updates traffic and error statistics on all Ethernet stati ons, ports, and the network to which it is assigned.
3 - 28 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Use the SHOW C OUNT ER NETWOR K comm and as show n to report traffic and error statistics for th e network to which th e E MM is assigned.
Troublesh oot ing 4 - 1 4 T roubleshooting This chapter prov ides help in isolatin g and cor recting problem s that ma y arise during th e installati on p r oc ess and n ormal o perations of th e ONline Ethern et Management M odule (EMM).
4 - 2 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide . T a ble 4-1. Ap plying P ower Sugg e stio ns Pr oblem T r oubleshootin g Suggestio ns Power is o n, but the Statu s LED doe s not lig ht. Press the LED check bu tton on the Controll er Mo dul e to verif y that the LED is not bu rned out.
Troublesh oot ing 4 - 3 EMM and T erminal I nterface Follow th e direction s in Chap ter 2 for attach ing yo ur term inal to the EM M using the RS- 232 serial port co nnector . T ab le 4-2 l ists so me commo n problem s that may occur when tryin g to get the EM M to com m unicate with th e terminal.
4 - 4 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide Characters app ear on the scr een, but are garbled. V erify that the EMM and the terminal settings match fo r baud , data bits, stop b its, and p arity . The se values are explain ed in Chapt ers 3.
Troublesh oot ing 4 - 5 EMM T rap Mes sages A trap message is sent t o the console w hen a change is mad e or an err or occurs in a conc entrator th at has an i nstalled EM M. The trap is also sent t o the designated trap r eceiver (e.g., managem ent workstatio n) if you hav e entere d this in formation in the EMM comm u nit y table.
4 - 6 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide The first two fi elds in the trap me ssage are d escribed in T able 4 -3. The r emain der of the f ields are depend ent o n the type o f trap r eceiv ed and are self-exp lanatory .
Troublesh oot ing 4 - 7 T e chnic al As sist a nce Y ou can receive assistance for installing and troubl eshootin g the EM M b y calling either y our 3C om r es ell er or 3 Com T echnic al Sup port.
4 - 8 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide The EMM gener ates packets on the netw ork (chan nel) in the f ollowi ng three instances: ❑ When establi shing and m ain taining a remote log in sess ion (RCP or T elnet se ssion).
Troublesh oot ing 4 - 9 The 802.3 Head er is defined by IEEE and consists of : – D estinati on ( MAC ) a ddr ess ( 6 octets) – So ur ce (M AC) addr ess (6 octets ) – Enet T ype (2 oc tets) The 802.
4 - 10 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e 3Com also u ses the Inter net defined protoc ol, AR P (Add r es s Re solut ion Protocol ) . Th i s pr otoc ol is used in a similar fash ion to the tag resolution protocol , except that it is used to resolve an IP addre ss to a netwo r k address.
Softwar e Dow nlo ad Inst ruc tion s 5 - 1 5 Software D ownlo ad Instruc tions This chapter explain s how to downl oad new softw are t o the Flash EPRO M in your ONlin e Eth ernet M anagem en t Modu le (EMM ).
5 - 2 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide Downl o ad R equ irem ents A UDK key c ode is requi r ed to complet e a softw ar e download to t he EMM.
Softwar e Dow nlo ad Inst ruc tion s 5 - 3 ❑ IBM PC / A T or compati ble wi t h either one high-density diskette drive and a hard drive, or two h igh-den sity di skette drives ❑ 640 K of availabl e RAM on the PC ❑ 3Co m UD K Key Code . The key code is pr ovided automaticall y with the UDK for SSS custo mers.
5 - 4 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide Out-o f-B an d Do wn load Ins tru cti ons The instru ctio ns for perform ing an out-o f-ban d do wnload to the Ether ne.
Softwar e Dow nlo ad Inst ruc tion s 5 - 5 Figure 5-1. Ini t ial Installatio n S creen 5. Enter the lett er of th e source drive w her e you wi ll be inserting the ProComm diskette f ollo wing the “En ter the Source Drive:” pr o mpt . For a hard drive instal lation, this is the drive w her e th e current 3Com FDK diskette is instal led.
5 - 6 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide 7. En ter the number of the co mmun ication s port (C OM1, COM 2, et c. ) to which y ou w ill b e conn ecting the RS-2 32 cab le on the P C to perfo rm the softwa r e down load follow ing the “En ter the COM Port (1-4):” prompt.
Softwar e Dow nlo ad Inst ruc tion s 5 - 7 Figure 5 -2. ProComm In stallat ion Sc r een 10 . Once ProComm is installed on the hard drive, yo u wil l be pr ompted to swap in th e 3Com FD K diske tte as shown in Figure 5 -3. Make sur e you place the correct diskette in the disk d rive b efore pressing [ENTER].
5 - 8 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide This last step of the in stallation loads t he ProComm conf iguratio n fi le. Th e config urat ion file sets the param eters th at are used by ProCom m to comm unicate with th e EM M.
Softwar e Dow nlo ad Inst ruc tion s 5 - 9 W arning: Do not interr upt pow er to the concent rator during th e download pr ocess or you m ay corrupt the Fl ash EPROM. 1. Make a backup copy of the 3Com U DK diskette. 2. Place the 3Com UDK diskette in the floppy d rive and change to that drive by typ ing a: or b: .
5 - 10 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e 5. Enter the lett er of th e drive w here Pr oCom m has been install e d follo win g th e “Enter the Destin ation wh e r e ProComm resides : ” prompt. For a hard driv e installatio n, this is usually c or d .
Softw are Do wnload Instru cti ons 5 - 11 Downlo ading th e Ne w Sof twar e Use the follow in g proced ure to down load so ftwa re to th e EM M. 1. Pr ess [ENT ER] to display the ON line> p r ompt and th en log in to the EMM as the system adm i nistrator .
5 - 12 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e 4. Pr ess the key sequence [CTRL-R] to redisplay the previo u s command and then pr ess [ ENT E R] to initiate the do wnload. (If the down load sequenc e ti m es ou t before you press [CTRL] [R], retyp e the download command.
Softw are Do wnload Instru cti ons 5 - 13 Figure 5 -6. ProComm M enu Sc r een 8. Pr ess [ENTER] to down lo ad the selected file to the EEPROM . T h is pro cess take s ap proximately 12 to 20 m inu tes at 9600 baud. If y ou use a slower baud rate, the do wn load will take m uch longer .
5 - 14 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Figure 5 -7. ProComm D ownloa d Sc reen The PC will beep to indicat e that the do wnload has comp leted and also display 'Dow nl oad su ccessful". If err o r messages are displayed on the s creen, r efer to the T roubleshooting sectio n in th is chapter .
Softw are Do wnload Instru cti ons 5 - 15 10 . Enter “Y ” t o exit from P r oCo mm a nd th e UDK Comp letio n Scr een displays as shown in Figure 5-9. Figure 5 -9. UDK Completion Scre e n 11. Press any key to exit from the UD K program . 12. D isconnec t the cabl e fro m the PC and the Ethern et Man agement Module.
5 - 16 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Note: Y ou can perfo rm an inb and do wnload (remotely or local ly) when you are log ged into an A dvanced EM M. H owever , you cann ot p erfo rm an inb and dow nlo ad when yo u are r emo tely logged into eit her a Star ter or Basic EMM .
Softw are Do wnload Instru cti ons 5 - 17 2. Con nect the provided RS-2 32 cable to the Ethern et Managem ent Mod ule RS-23 2 serial po rt connec tor o n th e front panel of the module. Then connect t he other end o f the cable to t he serial po rt on your PC (using a 9- to 25-pi n adapt er , if necessary).
5 - 18 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e 6. Issue th e D OWN LOA D INBA ND comm and a s show n to begin th e down load . ONline> download inband WARNING: Download will erase your current operatio nal code.
Softw are Do wnload Instru cti ons 5 - 19 N o te : Perf ormi ng an i nban d down loa d will e nd you r rem ot e lo gi n se ssi on . It w il l be ne ce ss ar y fo r yo u t o rem ot e_ lo gi n ag ain t o ch ec k yo ur TF TP r es ul t co de . Wa i t three to five minutes allo wing the download to complete before re-connec ting to th e EMM .
5 - 20 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e Pro Comm Problems If the pr oblem is not listed in T able 5 -1, UD K Error Messa ges, r efer to the ProComm Referen ce Man ual. Refer also to T able 5- 2 wh ich lists EMM download er r o r messages.
Softw are Do wnload Instru cti ons 5 - 21 Eth er ne t M a nagement Module Pro blems EMM probl ems durin g th e downl oad cau s e an error statemen t to be displayed o n the screen. Common error messages and their meanings ar e discus sed in T abl e 5 -2.
5 - 22 ON lin e Eth ernet Manag ement M odule Instal lation a nd O peratio n G uid e T able 5-2. EMM Dow nload Error Messages Message T r oubl eshooting S uggestion Maximum bad CRC— transfer abor ted C heck the RS-23 2 cable and retry . If the problem per sists, call 3C om Support.
Softw are Do wnload Instru cti ons 5 - 23 FEPROM CRC do w nlo ad error— transfer abor ted Call 3C om Suppo rt. FEPROM CRC w rite err or — transf er abor ted Call 3C om Suppo rt.
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Sp ecific ations A - 1 A Spec if ica tions This appendi x lists specifi catio ns for t he O Nlin e Ethern et Man agement Module (EMM). Ther e are five sections: ❑ Gen eral Specif icatio ns ❑ Elect.
A - 2 ONl ine Ethernet M anagem e nt Mo dul e Installati on and O peration Guide Diagno stic m odul ation : Link Int egrity pu ls e Backplane Int erface: 96-pin edge co nnecto r , com p atib l e with the 3Com ONli ne System Concen trato r .
Sp ecific ations A - 3 Mech an ic al Sp eci fic atio ns Dimension s : 1.0"W x 1 0.25 "L x 8.5 "H (2.54 cm x 26.04 c m 2 1.6 c m) Weight: 1.
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RS-232 Cable Specs and M od em Use B - 1 B RS- 232 Cable Specs an d Modem Use This appendi x describe s the cable pino uts for the RS-2 32 cable used to connect the Ether net Managem en t Modu le (EMM) to a device. It also explains the requirem en ts for con necti ng a m od em to th e EMM .
B - 2 ONl ine Ethernet Man agemen t M odu le In stallation and O peration Gu ide When you first connec t your terminal to the EMM man agement interface, make sur e it is pr o perly set for asynch rono us serial comm unicatio n.
RS-232 Cable Specs and M od em Use B - 3 Modem Us e The Ethern et Man agement Module enables you to use a dial-in mod em . The r equir e ments are as fol lo ws: 1. The modem mu st be 100% Hayes compatib le. 2. Any baud rate in the rang e (300, 1200 , 2400, 96 00) may be used .
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MIB G rou ps C - 1 C MI B Gr oups This appendi x describ e s the MI B-II and 3C om M IB groups that are suppor ted in EM M v ersion 4.0. MI B- II Gr oups The follow ing MIB -II g roups are suppor ted in EM M v 4.
C - 2 ONlin e Ethernet Managem ent M od ule Installation and O p eratio n G uide 3C om MIB Gr oup s The follow ing 3C om M IB group s are su pp ort ed in EM M v4 .
Technical Supp or t D - 1 D T echnical Support 3Com prov ides easy acc ess to t echnical suppo rt in form ation through a variety of servic es. This appendix descri bes the fol lowing services: ❑ On.
D - 2 ONl ine Ethernet M anagem e nt Mo dul e Installati on and O peration Guide Email T ech n ical Supp ort Y ou can contact the Integrated Systems Division (form erly Chipc om) on th e Inter net fo r technical suppo rt using th e e-m ail address techsu pp@c hip com .
Technical Supp or t D - 3 When you con tact your net work sup plier for assistance, have the f ollow ing inform at ion ready : ❑ Diagn ostic er r or messages ❑ A list of system hardwa re and sof t.
D - 4 ONl ine Ethernet M anagem e nt Mo dul e Installati on and O peration Guide For access to customer service for all 3Com pr oducts, call (80 0) 876-3266. Y ou can also c ontact the Integ rated Systems Division (ISD) on t he Internet by u sing the e-mail addres s tec hsupp@ chipc om.
Technical Supp or t D - 5 3. En ter you r fu ll Inter net e-mail add r ess as the passwo r d (for exam ple, jdoe @c ompan y. com ). 4. Chan ge to th e mib or schem a directo ry using the cd /p ub /mibs or cd /p ub/ mi bs /s ch em as c o mmand. 5. T o view t he 3C o m M IB, O ID, or schem a e ntries, enter the di r command.
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Inde x 1 Inde x Numerics 3Com Bull e t i n Board S e rv ice (3Com BBS) , D-3 A Add r e ss R esolution Protocol , 4-10 Address-to-Port Security Configuring , 3-20, 3-2 1 Feature , 3-11 Administrator Pa.
2 Inde x E EMM ONline Ethernet Manag ement M odule , 1-1 Enable Port , 3 - 1 9 Error Messages Downlo ad , 5-21 EMM Traps , 4 - 5 Pro Comm , 5-20 SNMP T raps , 4-6 Esta b lishi ng Passwords Administrator , 3-10 F FCC no tice , i i Firmware Di stribution Kit , 5-3 Error Messages , 5 - 2 2 Flash EPROM Updat i ng , 5 - 1 I IEEE 802.
Inde x 3 Slave , 1-4 Terminal P aram eters , 3-5, 3- 7 Terminal Se ttings , 2 - 4 Troubleshoo t ing , 3-28, 4-1 Upd ating Flash EPROM , 5 - 1 Verifying Operation , 2-5 ONline Fault-Tolerant C ontrolle.
4 Inde x SNMP Commands , D-4 SNMP Configuration , 3 - 1 3 SNMP P aram e ters , 3 - 1 3 Soft war e Download Requirements , 5-2 Subnetwork Mask , 3 - 1 6 T Technic al As sistance , 4 - 7 Technic al Supp.
Ein wichtiger Punkt beim Kauf des Geräts 3Com 5101M-MGT (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie 3Com 5101M-MGT noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für 3Com 5101M-MGT - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von 3Com 5101M-MGT reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über 3Com 5101M-MGT erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon 3Com 5101M-MGT besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von 3Com 5101M-MGT verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit 3Com 5101M-MGT. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei 3Com 5101M-MGT gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
