Manuale d’uso / di manutenzione del prodotto DSA-3CV1001-02 del fabbricante 3Com
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http://www.3com.c om/ V isitor and Community Network Access Point Service Manual Rel eas e 2.0 Part No. DSA-3CV 1001-0 2 Publ is hed A ugu st 20 00.
3Com Corporation 5400 Bay fr ont Plaza Santa Clara , California 95052-81 45 Copyri ght © 200 0, 3C om Cor poratio n. All r ights reserv ed. No p art of this d ocume ntation may be reproduced in any f.
A BOUT T HIS G UIDE This guide describes th e 3Com ® Visitor a nd Co mmunity Ne twork Access Point Releas e 2.0, its insta llation, ope ration, manag ement, and tr oubleshoo ting. The NAU (Ne t work Access U nit) name has been chan ged in release I I and is referr ed to as Visi tor a nd Communi ty Netw ork Access Point.
4 C HAPTER : A BOUT T HIS G UIDE Relat ed Document ation The Visit or and Community Based Networki ng System d ocumentation set includ es the foll owing documents : ■ Visitor a nd Commu nity Based N.
C ONTENTS A BOUT T HIS G UID E Convent ions 3 Related Docume ntation 4 Y e ar 20 00 Com pliance 4 1 O VERVIEW Visito r and Comm unity Netwo rk Major Feat ures and Benefits 9 Featur es 9 Benefits 10 Vi.
4 U SING THE L OC AL M ANAG EMENT A CCES S Using t he Mana gement T ermina l 37 Mana gement T ermin al Requ irem ents 37 Connect ing th e PC T e rmin al Emul ator 38 VCN Ac cess Point Me nus 38 Summar.
B P ROD U C T S PECIFICATION C L OADING S OFTWA R E T HROUGH L OCAL A CCESS D P IN A SSIGN MENTS FOR LMA C ABLE Connect or for Loca l Manageme nt T erm inal 89 Connect or for t he LMA Por t of the VCN.
I NDEX 3C OM C ORPORATION L IMITED W ARRANTY EMC S TATEMEN TS S AFETY S TATEM ENT.
1 O VERVIEW This chap ter pro vides an overvi ew of the Visit o r and C ommunity Network Access Point. The chapt er includes the follo wing topics: ■ Visitor a nd Com munity Ne twork M ajor Fea ture.
10 C HAPTER 1: O VE RVIEW ■ The system pr ovides fast Int er net connectivit y and fast corp orate access to end-us ers. Benefi ts The Vi sitor and Com munity Networ k system provides the following benefits: ■ Use exist ing wiring for simult aneous voice calls and data connecti ons without the need for r e-wiring.
Visitor and Community Networ k Applications 11 Vis ito r and Commu nity Network Appli cations The Visito r and Commun ity Network system serves the followin g applica tions: ■ Mult iple D we lling Uni ts (MD U) MDUs i nclude apa r tment houses and hotels.
12 C HAPTER 1: O VE RVIEW other n etwork se rvices for d ata transm ission s while allowin g voice channel s to be used simul taneously . The VCN AP c onnects to th e VCN AC via a standar d copper wire pai r . Th e VCN AC con n ects to the an alog PBX or loca l telephone excha nge and to a 10 Base-T s witch, e.
VCN Acces s Poin t Feature s 13 and data to the Supe rStack II 110 0 Switch. The VCN AP also spl its voic e and d ata i n the di rection from th e VCN AC. D ata is sent u p to 10 Mbps f ull duple x. The solutio n also works with the VCN Services Switch 10 and t h e SuperS tack II Switch 3300 .
14 C HAPTER 1: O VE RVIEW addit ional line may be used i ndependently of the VCN AP for connect ing an analog modem or f acsimil e use. ■ The VCN AP support s remote sof tware down load of VCN APs a.
VCN Acces s Poin t Feature s 15 Figure 4 The VCN AP Unit Front V iew Ta b l e 3 d escrib es the LEDs and conne ctors on the front p anel. Figur e 5 display s the ba ck pa nel of th e VCN AP.
16 C HAPTER 1: O VE RVIEW Figure 5 VCN AP Unit Back Panel Ta b l e 4 describes th e connector s on the back panel . Ta b l e 4 The VCN AP Unit LEDs and Connectors - Back Panel Item Type State Used to .
2 S AFETY I NFORMATI ON This chap ter provides safety in formati on in English, French and German. The topics cove red in this chap ter are : ■ Safety Precaution s ■ Précaut ions de s écurité c.
18 C HAPTER 2: S AFETY I NFORMATION Précaution s de sécu rité c once r nant le V CN Ac cess P oint Attent ion: Réduisez le s risques d'el ectrocution et d' incendie ■ T oute inte rvention sera effectuée uniquement pa r un person nel quali fié.
Sicherhe itsvorkehrungen für den VCN Access Point 19 ■ Die Ener gieversorgun g wählt automat isch entweder 1 00-120 V WS oder 200 -240 V WS, 60/50 Hz, wie auf dem Sicherhe itsaufkleber neben der Energ iezufuhr angeg eben.
20 C HAPTER 2: S AFETY I NFORMATION.
3 I NSTALLING AND O PERATING THE VCN A CCESS P OIN T This cha pter p rovides th e infor mati on abou t in stalling , sett ing up , poweri ng up and operating t he VCN Access Poi nt.
22 C HAPTER 3: I NSTALLING AND O PERATING THE VCN A CCESS P OINT The VCN AC m ust be i nstalled before the V CN AP. Refer to the V isito r and Commun ity Based Net working Concent rator Unit Se rvice Manual. Inst alli ng t he VCN Access Point The VC N AP may be convenient ly mounted on one t he followin g: ■ a wall, see pa ge 23 .
Installi ng the VCN Access Point 23 Mountin g the VC N Access Point on a Wa l l T o mount t he VCN AP o n a wall perform the fo llow ing ta sks. 1 Apply the paper te mplate to the wall a s shown i n Fi gure 7 .
24 C HAPTER 3: I NSTALLING AND O PERATING THE VCN A CCESS P OINT 5 Where the three crosshairs of th e templ ate hole s in tersect, in dent the surface wit h a sharp tool (for exam ple a nail). See Figur e 7 . 6 Remove t he templat e. 7 Drill t he indented holes wi th a drill bit of the same diamet er as the wall anchor s.
Installi ng the VCN Access Point 25 Figure 10 Ins ert ing Anchors 9 Drive two of the t h r ee long scr ews pr ovided i nto the bottom most anchor s to the di stance indicate d in Figure 11 . See Fi gure 12 . Figure 11 Of fset of the Sc rew Head from the W all 7/ 64 i n 25 - 3 m m .
26 C HAPTER 3: I NSTALLING AND O PERATING THE VCN A CCESS P OINT Figure 12 Dr iving Scre ws into the W all 10 Align the two larg e hole s of the VCN AP (see Figur e 13 ) with the two alr eady driven scr ews and insert the scr ew heads into the holes .
Installi ng the VCN Access Point 27 12 Reinsert the curved cover by reversing the sequence of step 2 . See Figur e 14 and Figur e 15 . Figure 14 V CN AP without Cur ved Cover Figure 15 Pl acing Cur ve.
28 C HAPTER 3: I NSTALLING AND O PERATING THE VCN A CCESS P OINT Figure 16 Mounti ng Underneath a T able T o moun t the V CN AP u nder a table, perfo rm the follow ing tasks: 1 T ape the paper tem plate (see Figure 1 7 ) to the under sid e of the table.
Installi ng the VCN Access Point 29 Figure 18 Rem oving Curve d Cover All thr ee holes in th e VCN AP ar e plugged. 3 Remove the plugs f rom the t wo large holes by pryi ng them out with the tip of your screwdri ver . 4 Remo ve the plug from the small front ho le by forcing it out f rom the bottom with a pointy instrume nt (for exam ple, a nail ).
30 C HAPTER 3: I NSTALLING AND O PERATING THE VCN A CCESS P OINT 7 Insert two o f the th ree short screws provided into the fa rthest indente d holes ( Figur e 19 ) and drive them t o the distance indic ated in Figur e 20 .
Installi ng the VCN Access Point 31 Figure 21 Scr ew Holes in the T op of the VCN AP Figure 22 Ins ert ing the VCN AP under the T able Large hole Large hole Small screw hole.
32 C HAPTER 3: I NSTALLING AND O PERATING THE VCN A CCESS P OINT 10 Drive th e last short screw t hrough the smal l screw hole an d into the surface fu ll depth. See Figur e 23 . Figure 23 Compl etion of Mounting the VCN AP Under the T a ble 11 Reinsert the curved cover by reversing the sequence of step 2 .
Installi ng the VCN Access Point 33 T o moun t the V CN AP o n to p of a table perform the fo llow ing tasks: 1 Stick the four rubber pads t o the bo ttom of the VCN AP as show n in Figur e 24 .
34 C HAPTER 3: I NSTALLING AND O PERATING THE VCN A CCESS P OINT Figure 25 Pr e parat ion of th e VCN Access Point ■ Connect a n RJ-45 cabl e from t he user’ s PC t o the Ethernet por t at the fr ont of th e VCN AP . The user’ s PC must be equipped wit h an Et her net car d.
Opera ting the VCN Access P oint 35 Figure 26 Comm unica tions Access via the VCN AP Operating th e VCN Access Point After the in stalling a nd moun ting the VCN Access Poin t it is ready for use.
36 C HAPTER 3: I NSTALLING AND O PERATING THE VCN A CCESS P OINT 3 If the tele phone set h as an add itiona l RJ- 11 por t, it c an be us ed independ ently of the VC N AP fo r fax. Conn ect an RJ-1 1 cabl e betwee n the fax machine or the P C fax mo dem t o the PC RJ-11 port o n the VCN AP.
4 U SING THE L OCAL M ANAGEMENT A CCESS This ch apter descri bes using the Loca l Management A ccess (LMA) and r emote managemen t. The LMA is accessible via a termi nal emulating compute r connected t o the LMA port on the VCN Access Poi nt. The termina l is us ed for monitori ng an d problem so lving.
38 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Connec ting the PC T erminal Emu lator Perform the step s below to connec t the PC to the LM A port: 1 Remove the cover from the LMA se ction of th e VCN AP as in the figure below .
VCN Access Point Menus 39 Figure 28 M enu Hierar chy Ta b l e 6 provide s a summary of the li ne card me nus, the s ubmenus and the corr esponding nu mber seque nce. Click a menu or submenu name to receive m ore infor m ation . After typing each nu mber in the number sequ ence press the <Enter> k ey .
40 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Login After connecti ng the m anag ement te rminal to on e of th e LMA po rts 2 through 24, press any ke y . The l ogi n di alog appe ars : Login: T ype your Login ID an d press <En ter>. Password: T ype your passwor d and pr ess <Enter >.
VCN Access Point Menus 41 The defau lt login is admin ; t he default pa ssword is nu ll—just pr ess <Ente r>. If you fo rget your p assword, contact te chnical su pport. Refer to Appen dix F T echn ical Support . When yo u complete Login, the Access P oin t Main Menu appears.
42 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS AP V ersion Confir m VCN AP function ality by checking t he softwar e and har dware versi ons and dates.
VCN Access Point Menus 43 1 In the VCN AP Main Menu enter 3 . 2 In the Management Menu , ente r 1 . The Ethernet Menu a ppears Figure 33 Ethe r net Menu. Ethernet T r affi c Counters The Ethe rne t traffic counters count no rmal fra mes and e rror ed frames trans f err ed between the user’ s PC and the VCN AP.
44 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS T o check the E ther net tr affic counters, type 1 in th e Eth er net M en u and press <En ter>; the Ethernet T raffic Co unters scree n app.
VCN Access Point Menus 45 Reset Coun ters T o r eset Ethe rne t counters: 1 In the Ethernet Menu , type 3 and pr ess <Enter> . The following mess age appears: Do you want to proceed (Y/[N])? : 2 Ty p e y and p ress <Enter> to perfo rm the reset.
46 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Figure 38 Cha nge Work Mode Menu In the Chan ge Work Mod e Me nu , the cu rrent working mode i s sho wn to be one of: ■ Normal Operat ion Normal ope ration is la ck of loopbacks an d half dupl ex.
VCN Access Point Menus 47 When you discar d the operat ion, the message appear s: The action has been canceled Setting Ex ternal Loop back Mo de T o set external loopback mode, type 3 and press <E nter> .
48 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS This action will change the working mo de of Ethernet! Note: the change will NOT be saved aft er reset. For changing and saving use the config uration menu Do you want to proceed (Y/[N])? : To c o n f i r m t y p e y ; to di scard, ty pe n ; and and p ress <Enter>.
VCN Access Point Menus 49 Figure 40 HDLC T raffic Counters S creen Reset Coun ters T o reset HDLC counters: 1 In the HDLC Me nu , type 3 and pre ss <Enter>. The messag e appears: Do you want to proceed(Y/[N])? : 2 Ty p e y and p ress <Enter> to perform the reset.
50 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Figure 41 HD LC Status S c r een Change HDLC Work Mod e T o change the HDLC l oopback mode, us e the Change W ork Mode Me nu . In the HDLC Me nu , type 4 and pr ess <Enter >. The options in Figu re 42 appear .
VCN Access Point Menus 51 Do you want to proceed (Y/[N])? : To c o n f i r m t y p e y ; to di scard, ty pe n ; and and pr ess <Enter>. When you pr oceed, th e message appear s: Action has been done.
52 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS T o reje ct, press <Enter> or type n and pr ess <Enter>. The Mana geme nt Menu r eappears. T o proceed t ype y and press <En ter>; the message appe ars: The system is going down..
VCN Access Point Menus 53 ■ Enter F . Figure 45 Reset m ess ages Figure 46 Start of So ftwa re Execut ion Figure 47 Self-test Mess ages Then the Login pr ompt appear s . VDSL M enu T o view t h e VDSL Menu , type 4 i n the Main Men u and pr ess <Enter>; the VDSL Me nu appears.
54 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Figure 48 VDSL Menu . VDSL QAM Ch annel Stat us Report T o check the V DSL param eters, ente r 1 in the VDSL Contr ol Menu; the QAM Chann el Statu.
VCN Access Point Menus 55 The alte r nate state is Out of lo ck—the line to the VC N AC is not connected. ■ Restarts, th e numb er of ti mes the line to the VC N AC u ndergoes a cold r estart. A cold r estart occurs when ther e is a pr olonged br eak in the line .
56 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Figure 51 Se tt ing VLAN ID Message Scr een. Set Ether net Half/Full Duple x Mode T o set Ethe r net ha lf/fu ll dup lex mo de, perform th e foll owing st eps: 1 In the AP Conf iguration Men u enter 2 .
VCN Access Point Menus 57 Set to Factory De faults T o set VCN AP to f actory defaul ts perfor m the follow ing steps: 1 In the AP Conf iguration Men u , ty pe 4 and pr ess <Enter>; a war ning m.
58 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Remote Softw are Download This secti on describes the r emote softwar e download ing proced ure. Overvi ew The VCN Access Po int is an Ethernet ov.
Remot e Soft ware D ownlo ad 59 Downl oading Soft ware to th e LCs in the VCN AC 1 Remove the cover of the LMA section of the V C N AP to reveal the LMA port, a s show n in page 38 , Figure 2 7 . 2 Connect t he management com puter to the VCN AP LMA po rt.
60 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Figure 54 Softwar e Download Network Configuration 4 In the VCN AP Main Menu ( Figure 30 ) typ e 8 , and pr ess <Enter> for t he Soft ware Downlo ad Menu . A warning appea r s, fol l owed by a pr ompt askin g if you want to pro ceed ( Figur e 55 ).
Remot e Soft ware D ownlo ad 61 Figure 56 So ftware Downl oad Menu 6 T o download softwar e to LCs do as fo llows: a Check t he VLAN IDs of the VC N AP and the VCN A C. b T o change the VLAN ID of the AP to make it the same as the AC, type 6 in t he Soft ware Dow nload Me nu and pr ess <Enter >.
62 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Figure 57 The LC Down load ing State T ab le e At th e end of t he LC Downloading State T able , do one of the follow ing: ■ T ype the numb er of an LC to receive the softw are download and press <Ente r>.
Remot e Soft ware D ownlo ad 63 Figure 58 LC Dow nloading Results Begin sending version... Sending version complete Waiting for acknowledge... Downloading complete.
64 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Downl oading Sof tware to VC N APs: T o download softwar e to VCN APs do as follows : 1 Perfor m step 1 thr ough step 5 above. 2 Check t he VLAN IDs of the do wnloadi ng VCN AP and t he receiving VCN APs.
Remot e Soft ware D ownlo ad 65 Figure 59 AP Downloadi ng State T able 6 At th e end of t he AP Download ing State T able , d o one of t he followi ng: ■ T ype the number of VC N AP to receive the software download and press <En ter>. The downl oading messages and the downloadi ng resul ts table appear ( Figur e 60 ).
66 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Figure 60 AP Downloading Results Check Software Dow nload for the LC Cards: T o check the softw are download r esults in the LC car ds, type 4 and press <Ente r> in the Softw are Download Menu .
Remot e Soft ware D ownlo ad 67 Solvin g Problem s in Remo te Softwar e Downlo ad If the LC Downloadi ng Results in Figu re 58 show downloa d failed for o ne or mor e Line Car ds or the AP Download ing Resu lts in Figur e 60 show downlo ad failed for one or more APs, follow the procedures this section to solve the problem s.
68 C HAPTER 4: U SING THE L OCAL M ANAGEM ENT A CCESS Download Failed for On e or More VCN AP s but not A ll Check the f ollowing: ■ AP software version of th e faile d APs. If the version is no t 3.0 or later , locally download th e current software version to the VCN AP .
A T R OUBLESHOOTING This ap pendix explains how to identify an d correct pr oblem s, and how to perform relate d diagn ostic tasks. If you hav e problems that are no t addres sed in this chapte r , cont act 3Com T echnical Support o r your ser vice person .
70 A PPENDIX A: T ROUBLESHOOTING Using Front Panel LEDs to Solve Pr o blems This section describes the use of t he LEDs to solve pr oblems. Figur e 61 dis play s the VCN AP LED indi cators. Figure 61 The VCN AP Unit Front Vi ew Ta b l e 8 describes th e LEDs.
Using F ront P anel LE Ds to Solve P roble ms 71 Use the front p anel LEDs to d etermin e the V CN AP sta tus afte r POST . Ta b l e 9 provid es deta iled in format ion sum mar ized in Ta b l e 1 0 .
72 A PPENDIX A: T ROUBLESHOOTING Fax/Mo dem Call Not Appl icab le (NA) NA NA No power is need ed to mak e a fax/ mode m call . An Eth ernet connec tion is not required. Data T ransfer from PC ON Flashi ng in gree n ON In dica te s dat a is passing through the VCN AP.
Using F ront P anel LE Ds to Solve P roble ms 73 VCN AP Failur e Indicate d OFF after conn ection: Possi ble caus es: ■ faulty power adap ter ■ problem in the VCN AP Repl ace ac/d c adapter and try again. If the prob lem is el imin ate d, the problem w as the adapter.
74 A PPENDIX A: T ROUBLESHOOTING Using a PC T erminal Emulator to Solve Pr o blems Refer to Appe ndi x E for setti ng the param eters of a ter minal e mulati on program. Th en refer to Chapt er 4 Usin g the Local Manage ment Access for connecting the manage ment PC to the VCN AP to operate th e managemen t menus.
Using a PC Termin al Emulat or to Solve Prob lems 75 Ether net T raffic Counts The norma l frame counters indicate traf fic betwe en the VCN AP and use r PC. Some err ored frame counters in dicate fatal err o rs, requiring r eplacement of the V C N AP , Ethernet cable or th e user’ s PC Network Interface Card (NIC).
76 A PPENDIX A: T ROUBLESHOOTING The fol lowing table depi cts normal counter indications and pr obable causes of a bnorm al counter indi cations. Summar y of Abnormal Ind ications from T raffic C oun.
Using a PC Termin al Emulat or to Solve Prob lems 77 The only er ror message of th is type is Wrong entry! It appear s when the user enters the wrong response to a menu.
78 A PPENDIX A: T ROUBLESHOOTING.
B P RO D U C T S PECIFICATION Line Data Ra te Up to 10 Mb ps, symmetric Ran ge up to 4000 ft Cabling CAT 1 to CAT5 Voice Dial Tone , Toll Qua lity, PBX fe atures su pport Power requirements VCN AP Mai ns 90-260 a c , 47-63 Hz, 6 Watt maximum ac/ dc adapter 3.
80 A PPENDIX B: P RODUCT S PECIFICATIO N.
C L OADING S OFTWAR E T HR OUGH L OCAL A CCESS This ap pendix describ e s how to l oad a new softwa re r elease into t he VCN AP thr ough the LMA por t. Loading soft ware r equir es using a PC in term inal emulati on mode. Refe r to Appendix E T er mi nal Emul at ion Setti ngs for a descripti on of t erminal emulat ion proced ures.
82 A PPENDIX C: L OADING S OFTWARE T HROUGH L OCAL A CCESS Figure 62 V CN AP Main Menu The Managem ent Menu appears: Figure 63 VCN AP Management Me nu 4 In the Man agement Menu type 5 to reset the VCN AP . The d ialog in Figur e 64 appears: Figure 64 Confirm Re set Board : VCN AP Main Menu ------------------ 1.
83 5 Ty p e Y to reset . The scr een in Figur e 65 appears : Figure 65 Software Download Opti on 6 Ty p e S ; the downlo ading message ap pears ( Figur e 71 ). The opti on of F in the Software Downl oad Menu ( Figure 6 5 ), is the default; if the Software D ownload Menu d isplays for 5 seconds , executi on from the flas h automatical ly begins.
84 A PPENDIX C: L OADING S OFTWARE T HROUGH L OCAL A CCESS 7 In the Procomm win dow ( Figur e 67 ), select Da ta > Send File ( Figure 6 8 ). Figure 67 Pr oc omm P lus T erminal Screen.
85 Figure 68 Pr ocomm Plus Data > Send File Menu The scr een in Figur e 69 appears. Figure 69 Se nd File Using ASCII Scr een 8 Select the correct file and click Open .
86 A PPENDIX C: L OADING S OFTWARE T HROUGH L OCAL A CCESS While t he file i s downloa ding, the st atus window in Figur e 70 appears: Figure 70 Se nd File Status W indow The VCN AP soft ware is downl.
87 Figure 71 Softwar e Downloading Message Start saving to the FLASH! Sector passed number-12 Sector passed number-13 Sector passed number-14 Sector passed number-15 Sector passed number-16 Sector pas.
88 A PPENDIX C: L OADING S OFTWARE T HROUGH L OCAL A CCESS Figure 72 Self-T est M essages The Log in promp t appe ars . After the so ftware download, th e unit sta rts to execute the sof tware fr om the flash memory .
D P IN A SSIGNMENTS FOR LMA C ABLE This ap pendix describes the pin assignm ents for the LMA cabl e, see Figur e 73 . The cable i s used in an RS -232 connect ion.
90 A PPENDIX D: P IN A SSIGNME NTS FOR LMA C ABLE Connect or for the LMA P ort of t he VCN AP The conne ctor fo r the LM A port o f the VC N AP is describe d below . The connect or consists of a Mini DIN 4-pin male con nector , see Figur e 75 . Ta b l e 1 6 describes the pin assignments.
Loc al Ma nage me nt Cab le Wi ri ng 91 Local M ana gement Cable W iring This s ectio n des cribe s the conn ectio n of th e pi ns in the L M term ina l connector t o the pin s in th e VCN AP LMA port con nector wi thin the cable. Fi gure 76 dep icts the connection s in the cable.
92 A PPENDIX D: P IN A SSIGNME NTS FOR LMA C ABLE.
E T ERMINAL E MULATION S ETTINGS This appe ndix describes th e termin al emu lation settings fo r Procomm Plus. Pr ocomm Plus is pr esented her e as an example of a termin al emulat ion pr ogram; you can use an other pr ogram with similar settings.
94 A PPENDIX E: T ERMINAL E MULATION S ETTINGS Figure 77 Pr oc omm P lus T erminal Screen Esta blishing T erminal Sett ings T erminal setting s can be establis hed in one of two ways: ■ Usin g the C.
Establishin g Terminal Setti ngs 95 2 If neces sary , click the app ropri ate button to displa y a list of all possib l e setti ngs and select th e requir ed settin gs. Using the Men u Bar T o estab lish term inal setting s usin g the m enu bar: 1 Select Op tions > Syste m Op ti ons > Mo dem C onnec tion .
96 A PPENDIX E: T ERMINAL E MULATION S ETTINGS 3 Fr om the Curr ent Modem/Conn ection window , sele ct di rect connect -ComX , wher e X r epresen ts the numb er of your com port. 4 Click Modem/Conn ection Propert i es . The M odem/Connec tion Pro perties window a s shown in Fig ure 79 opens.
F T ECHNIC AL S UPPORT 3Com pr ovides easy acc ess to techni cal support inf ormation t hrough a variet y of services. This appe ndix describes t hese services .
98 A PPENDIX F: T ECHNICAL S UPPORT 3Com F TP Sit e Download drivers, patches, software, and MIBs across the Inter net from the 3Com public F TP site. This service is av ailable 24 hours a day , 7 days a week. T o connec t to the 3Com F TP site, ent er the followin g info rmatio n into your F TP client : ■ Hostname: ftp.
Support fro m Your Network S upplier 99 Access by Digital Modem ISDN use rs can dial i n to the 3Com BBS usin g a digital mod em for fast access up t o 64 Kbps.
100 A PPENDIX F: T ECHNICAL S UPPORT When you contact 3Com fo r assistance , have th e follow ing i nformation r eady: ■ Pr oduct model name, part number , and seri al number ■ A list of system ha.
Returning Products for Repa ir 101 Retur ning P roducts for Rep air Befor e you send a pr oduct dir ectly to 3C om for repai r , y ou must first obtai n an authorizat ion number . Pr oducts sent to 3C om without author ization numbe rs will be r eturned to the send er unopene d, at the sender’ s expense.
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I NDEX Numbers 3Com bulletin b oard serv ice (3Com BBS) 98 3Com K now ledg eba se Web Ser vice s 97 3Com U RL 97 3ComF act s 99 A Abnorma l Indications fr om T raf fic Counts 76 AC/DC adapter 33, 69 a.
104 I NDEX Manage ment Menu 42 MIBs 98 MiniDIN 4-p in connector 38 MiniDIN c onnector 90 monitorin g 37 mounting VCNAP on the wall 23 multiple dwelling unit s 11 multiple tenant units 11 N network su .
3Com Corporation L IMITE D W ARRANTY LIMITED W ARRANTY This warranty applies to custo mers located in the Un ited States, A ustralia, Canada (excep t Quebec), Irelan d, New Zeala nd, U.
OBT AINING W ARRANTY SERV ICE Customer mu st contact a 3Com Cor porate Service Cen ter or an A uthorized 3C om Service Cen ter within t he applica ble wa rranty period to o btain w arranty serv ice au thorizati on. D ated proof of p urchase from 3Com or its authorized reseller may be req uired.
GOVERNING LAW This Limi ted Wa rranty s hall be g overn ed by th e laws o f the S tate of C aliforni a, U.S.A. ex cludi ng its c onflic ts of laws principles an d excluding the United Natio ns Conventio n on Contracts for the Intern ational Sale of Goods.
EMC S TATEME NTS FCC C LASS B V ERIF ICATION S TATEME NT This equipment has been t ested and found to comply with t he limits for a Clas s B digita l device, pursuant to part 15 of t he FCC rules. The se limits are des igned to provide re asonable pr otection again st harmful interfe rence in a r esident ial install ation .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il 3Com DSA-3CV1001-02 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del 3Com DSA-3CV1001-02 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com DSA-3CV1001-02 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com DSA-3CV1001-02 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com DSA-3CV1001-02, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del 3Com DSA-3CV1001-02.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il 3Com DSA-3CV1001-02. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com DSA-3CV1001-02 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
