Instruction/ maintenance manual of the product S200 3Com
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3Com ® Corporation P athB uilder ™ S 200 Series S witch Conf iguring with P AD/A TP AD.
Notice © 1998 3Com Corp oratio n 5400 Bayf ront Pla za Sa nta Cl ara, CA 950 52-814 5 (408) 326-50 00 All right s reserv e d. Pr int ed in U. S.A . Port ion s re printed wi th the p ermiss ion of Mot orol a, In c. Restrict ed Rights Notifi cati on f or U.
Noti ce (conti nued) Pr oprie t ary Material Inform ation and soft ware in t his document are propriet ary t o 3Com (or i ts Suppli ers) and withou t the ex press prior permission of an of fice r of 3.
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Content s i About P acket Assembler/Di sassemble r .... ..... ..... ...... ... ...... ..... ...... ... ....... .... .. 2 T ypic al Appl ications ...... ..... ..... .... ..... ...... ... ........ ... ...... ..... ..... ...... ... ...... ..... .... 3 P A D Port Co nfigu rat ion .
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Conf igu r ing P AD/A TP AD Port s 1 Confi guring P AD/A T P AD P or ts Overview Intr oduction Thi s man ual desc ri bes t he P AD and A TP AD port conf iguratio ns used on P athBuilde r S200 seri es switches.
2 Conf i guri ng P AD/A TP AD Ports About P acket Assembler/Disas sembler About P ac ket Assemb ler/Disassembler What is a P AD ? A Pack et Assembler /Disa ssembler , or P AD for short, gi ve s you netw ork access and ensure s c ompatibil ity betwe en dif ferent hosts and ter minals and a packet switc hed netw ork.
Conf igu r ing P AD/A TP AD Port s 3 T ypi cal Ap pli ca tio ns T ypical Applications Intr oduction Y ou can access the P AD wi th PC sc ripts . The PC scr i pts use A T commands to make calls thr ough an X.25 networ k. Exam ple Figure 1 sho ws the use of m odems in an appl icati on.
4 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n P AD P ort Configu ration Intr oduction I n order t o config ure a P AD port, you m ust f irst ac cess th e CTP on you r Path Builder S200 seri es switch. Note Refer t o the Conf igurati on Basics Gui de for CTP proc edures .
Conf igu r ing P AD/A TP AD Port s 5 P AD P ort Confi guratio n Guideline s When t he Port T ype is P AD, foll o w thes e guid elines for conf iguring p aram eter values of the oth er por t para met e.
6 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n Accessing the Record F ollo w these s teps to access the P AD Port Recor d: Step Act ion Result 1 Sel e ct Conf igure , from the CTP Main menu. The Co n fi gure m enu a ppears . 2 Sel e ct Po r t from the C onf igure menu and confi gure the Port Num ber in th e Port Record .
Conf igu r ing P AD/A TP AD Port s 7 P AD P ort Confi guratio n Confi guring the P AD P ort Intr oduction Thi s s ection de scribe s the P AD port paramet ers.
8 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n DI MO A cross over cable attach e s a dial mo dem to the p o rt, and whose hand shake uses modem con trol si gnals a s calls are made. T ypes of DIMO operation are: • D ial In: Cal ls rece ived from the tel e phone network.
Conf igu r ing P AD/A TP AD Port s 9 P AD P ort Confi guratio n P o r t S p ee d Range: 50, 75, 100 , 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, 7200, 9600 , 14400, 19 200, 28800 , 38400, 75/1200, A UT O Default : 9600 Descripti on: Specif ies the port speed in bit s pe r second.
10 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n Data Bi ts per Charact er Range: 5 to 8 Default : 8 Descripti on: Sets the bits per chara ct er . This value must m a tch the number of bits per charac ter used by the at ta ched de vice.
Conf igu r ing P AD/A TP AD Port s 11 P AD P ort Confi guratio n Call Control Range: NONE, A UT O, A UTC, PCUD, IB AR, OBAR , MNEM, TMNEM Default : NO NE Descripti on: Specif ies P AD beha vior and li.
12 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n T erminal Contr ol Range: NONE, P ASS, LIM, CUG, LCPY , 7BIT , N ADD, X.28 , CNUI, CUGOA , BMSG, ADDR, FRCB, C UGIA Default : NO NE De.
Conf igu r ing P AD/A TP AD Port s 13 P AD P ort Confi guratio n P AD Pr ompt Ent r y Number Range: 0 to 8 Default : 0 Descripti on: Specif ies the customiz ed prompt from the P AD Prompt T able. This pa rameter i s i gnored whe n T erminal Control = P ASS and th e P AD Prompt Entr y Number is t aken from the NUI/ Passwor d T able ent ry .
14 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n Maxim um Number of A utocall Attempts Range: 0 to 255 Default : 4 Descripti on: Specif ies the number of times t he P AD port attempts to c all, when autocall ing is enabled. • When the l im it is r eached, the po rt st ops att empting to mak e a call.
Conf igu r ing P AD/A TP AD Port s 15 P AD P ort Confi guratio n Billing Recor ds Range: OFF , ON Default : OFF Descripti on: • ON: generate s bi lling r ecords for all call s to and fro m this po rt and for fail ed calls from this por t. • OFF: gener ates no bil ling r ecords.
16 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n *Pr otection L evel Range: NONE, CP_ONL Y , FULL_DCP Default : NO NE Descripti on: Specif ies ho w Data C onne ction Pro tection is imple mente d for this port: • NONE: The feature is tu rned of f.
Conf igu r ing P AD/A TP AD Port s 17 P AD P ort Confi guratio n Max i mum R ec eive B u ffer Le n g th Range: 1 to 128 (2000 with TP A 2K Frame Siz e CSK enabled.) Default : 128 Descripti on: Specif ies the number of cha racte rs received by the driver before for w ar din g th e pa ck et .
18 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n P AD Command Lan guage Range: CCITT , DPN Default : CC I TT Descripti on: Specif ies th e language used for P AD commands.
Conf igu r ing P AD/A TP AD Port s 19 P AD P ort Confi guratio n Action T ype f or NUI vi olations Range: NONE, D I S C, DEGR, LOC K Default : NO NE Descripti on: This specif ies the course of action to be t ak en if the NUI vi olations exceed the confi gured thre shol d count .
20 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n P AD P ort Configurat i on f or A utocalli ng Intr oduction Y ou must configur e se veral paramet ers w it hin the P AD port r ecord specif icall y for autoca lling.
Conf igu r ing P AD/A TP AD Port s 21 P AD P ort Confi guratio n SDLC Mnemonic Address ing Calls pla ced in a port confi gured for SDLC must use the mnemonic calli ng feature . Figure 3 shows the c o nfigurat ion process for cal ls on SDLC ports. Stati on 2, Port 4 in Node 100 is conf igured to call S ta tion 3, Port 3 in Node 200.
22 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n P AD P ort Configurat ion fo r A utos peed Intr oduction Aut ospe ed is a c on v enie nt way to con fig ure a P AD po rt 's speed, e speci ally when you want a mix of te rminal speeds.
Conf igu r ing P AD/A TP AD Port s 23 P AD P ort Confi guratio n P AD XON/OFF Support Using X.25 I nterrupt P ac kets What is It? There is a Customer Softw are K ey (CSK) tha t enable s the transmiss ion of XON/ XOFF asynchro nous data charact ers a cross a Public Data Networ k ( PDN) using X.
24 Conf i guri ng P AD/A TP AD Ports P AD P or t Co nfigur atio n T o enable this CSK Complet e these steps to e nable t he XON/XOFF CSK: Step A ction 1 Sel e ct Conf igure f rom t he CTP Ma in men u. 2 Sel e ct Softwa re Key T a ble fro m the Conf igure menu.
Conf igu r ing P AD/A TP AD Port s 25 P AD Pro mpt T able Rec ord P AD Pr ompt T ab le Rec ord Intr oduction Y ou can change the P AD prompt which appear s wh en a terminal connect s t o a Path B uil der S200 series switc h and is in C o mmand Mode. The default pr ompt is an aster isk (*).
26 Conf i guri ng P AD/A TP AD Ports P AD Pro mpt T able Rec ord P A D P rom pt T a ble Re cord Para me t ers Intr oduction Thi s s ection de scribe s the P AD Prompt T able par ameters.
Conf igu r ing P AD/A TP AD Port s 27 P AD Profile T able Record P AD Pr ofile T able R eco r d Intr oduction The P AD Prof ile T able Record sp ecif ies the prof ile for a si ngle P AD Por t, in the local node.
28 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d Configur ation Guideline s When y ou conf igure the P AD Prof ile T able Recor d, use the se guid elines: • No blank Prof ile N am es can exist. • No duplicate Prof ile Names can exi st.
Conf igu r ing P AD/A TP AD Port s 29 P AD Profile T able Record P A D Pr of ile T ab l e Re cor d P a rame ter s Intr oduction Thi s s ection de scribe s the P AD Prof ile Record p arameters .
30 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d #2, E ch o Range: 0, 1 Default : 1 Descripti on: Controls e cho: • 0: Echo disabl ed • 1: Echo enabled Setting t o 0 (disable d) ca uses parameter #20 Ec ho Mask t o be ignored.
Conf igu r ing P AD/A TP AD Port s 31 P AD Profile T able Record #5, De vice Fl ow Contr ol Range: 0 to 2 Default : 0 Descripti on: Specif ies if and ho w the P AD port sending the XON/XOFF character s restrains the at tached termina l from sending data.
32 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d #7, Bre ak Signal Opera tion Range: 0, 1, 2, 4, 5 , 8, 21 Default : 2 Descripti on: Selects the P AD mode of operation when a break signal f rom the attached de vice is recei v e d : • 0: Do not hing.
Conf igu r ing P AD/A TP AD Port s 33 P AD Profile T able Record #12, P AD Da ta Re stra int Range: 0, 1 Default : 1 Descripti on: Specif ies if an d ho w the XON/XOFF char acters s ent f rom the atta.
34 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d #14, Padding a fter LF Range: 0 to 255 Default : 0 Descripti on: Controls pa dding a fter <LF> in Data Mode: • 0: No pa ddin.
Conf igu r ing P AD/A TP AD Port s 35 P AD Profile T able Record #18, Li ne Displa y Range: 0 to 127 Default : 18 (<CNTRL>R) Descripti on: Specif ies the de cimal v alue of the AS CII cha racter use d to displ a y a line (when #15 Editing = 1).
36 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d #20, Ech o M as k Range: 0 to 255 Default : 1+2+4+8 +16+32+64+128 Descripti on: Specif ies the echo mask (which char acters are not echo ed): • 0: N o echo ma sk (all ch arac te rs echo ed ).
Conf igu r ing P AD/A TP AD Port s 37 P AD Profile T able Record #22, P age Wa it Range: 0 to 255 Default : 0 Descripti on: Controls p age wait: • 0: Page wait dis abled • 1 to 255: Number of <LF > ch aracters sent by P AD for p age wait.
38 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d #103 , XON C h ar a cter Range: 0 to 255 Default : 17 Descripti on: Specif ies the decimal v alue of the ASCII cha rac ter used for the XON function.
Conf igu r ing P AD/A TP AD Port s 39 P AD Profile T able Record #106 , Network Pari ty Range: 0 to 4 Default 0 Descripti on: Specif ies the parity of data t he P AD sends to the network: • 0:T r anspa rent. • 1: Sp ace . • 2: Ma rk . • 3: Eve n.
40 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d #109, Form Feed P adding Range: 0 to 255 Default : 0 Descripti on: Specif ies the number of padding cha racter s inse rted in the data se nt to the at tache d device after a form-fe ed < FF>: • 0: No pa dding c haracte rs in serted.
Conf igu r ing P AD/A TP AD Port s 41 P AD Profile T able Record #111, Echo Control Range: 0 to 3 Default : 0 Descripti on: Specif ies ho w t he P AD hand les echo ing of data whe n #2 Ec ho = 1: • 0: No P riority . Data is o utput, a nd cha racter s are e choed as they arri ve.
42 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d #114, P AD Mode Range: 0 to 2 Default : 0 Descripti on: Selects t he P AD op erationa l mode: • 0: Normal opera tion • 1: Polled.
Conf igu r ing P AD/A TP AD Port s 43 P AD Profile T able Record #117, EI A Signalling Ac tion Range: 0, 1 Default : 0 Descripti on: Specif ies th e EI A signalling ac tion (when #114, P AD Mode = 1 or 2). • 0: None • 1: Raise DCD bef ore a nd afte r tra nsmission .
44 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d Cop ying P AD Prof ile T ab les i nto a Configurat ion Intr oduction Ea ch node process or card co nta ins 14 P AD Prof ile s stor ed in memory .
Conf igu r ing P AD/A TP AD Port s 45 P AD Profile T able Record P arameter V alues The parameter v alue s f or the 14 P AD Profile s are listed i n the se table s. F or examp le, if you enter 0, you will get all the value s liste d i n the Defaul t col umn.
46 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d #111 Echo Control 0 0 0 0 0 0 #112 Dynamic Data Forwa rding 000000 #113 He w l e t t -Pac kard Fl o w Control 000000 #114 P AD M ode.
Conf igu r ing P AD/A TP AD Port s 47 P AD Profile T able Record #21 Pari ty Tr eatment 7 7 7 7 7 7 #22 Page W ait 0 0 0 0 0 0 #100 Break Charact er 0 0 0 0 0 0 #101 Echo Sub T oggle Ch aracter 000 00.
48 Conf i guri ng P AD/A TP AD Ports P AD P r ofile T able Reco r d V alues f or Pr ofil es 90 an d 91 The paramete r value s for the Interna ti onal Simple (INT1984) a nd Internati onal T ransparent (TRANSP1) prof il es 90 and 91 are list ed in thi s t able.
Conf igu r ing P AD/A TP AD Port s 49 Remote P AD Pa r ameter T able Recor d Remote P AD P arameter T able Recor d Intr oduction Thi s record conta ins pa rameters tha t def ine a spec if ied remote P AD. Whe n a c a ll is made to a port that uses this ta ble entry , a n X .
50 Conf i guri ng P AD/A TP AD Ports Remote P AD P aramet e r T abl e Record Remote P AD P arameter T able Reco r d P aramete r s Intr oduction This sect ion d es crib es the Re mo te P AD Param et er Re co rd param eter s.
Conf igu r ing P AD/A TP AD Port s 51 Remote P AD Pa r ameter T able Recor d #1 Param et er Nu mb e r Range: 0 to 127 Default : 0 Descripti on: Specif ies the X.
52 Conf i guri ng P AD/A TP AD Ports Remote P AD P aramet e r T abl e Record • #108: Disc onnect C haracte r (0 t o 1 27) • #109: Form Feed P adding (0 to 255) • #110: Esc F orwardi ng Delay Han.
Conf igu r ing P AD/A TP AD Port s 53 Detailed P AD P ort Statistics Detailed P AD P or t Statistics Function Whe n you s elect Detai led P AD Por t Stati stics, a series of s creen s appea rs that pro vides infor mation about the sta te and status of a P AD port.
54 Conf i guri ng P AD/A TP AD Ports Detailed P AD Po rt Statistics What Y ou See in the Second Screen F igure 10 sho ws the seco nd scre en of the Deta iled P AD Port Statisti cs.
Conf igu r ing P AD/A TP AD Port s 55 Detailed P AD P ort Statistics Description of T erms — Second Scr een The second Deta iled P AD Port Statisti cs screen conta ins this inform ation: Screen T erm T ells Y ou.
56 Conf i guri ng P AD/A TP AD Ports Detailed P AD Po rt Statistics What Y ou See in the Thir d Screen Figure 11 sho ws the third screen of the Det ail ed P AD P or t Stati stics. Figure 11. Example of De tailed P AD P ort Statis tics, Thi rd S creen The third Det ailed P AD S tatis tics sc reen l i sts the Curr ent Running P rofil e inform ation.
Conf igu r ing P AD/A TP AD Port s 57 A TP AD P o rts A TP AD P ort s Intr oduction Thi s s ection c ontains detail ed de scriptions of A TP AD por ts, h ow t hey operate , and ho w to conf igure them.
58 Conf i guri ng P AD/A TP AD Ports A TP AD P orts AT PA D O p e r a t i o n AT P A D An A TP AD port opera tes in e ither a Command Mode or Da ta Mode.
Conf igu r ing P AD/A TP AD Port s 59 A TP AD P o rts Flow Contr ol Y ou can configur e the A TP AD for either type of flo w c ont r ol : • Control Si gnal • XON/XOFF If yo u select Contr ol S ignal, the port does not s e nd data if the port's P in 14 input is LO W .
60 Conf i guri ng P AD/A TP AD Ports A TP AD P orts Netw ork P arity Applicat ion The applic ation that the netw ork parity featur e has been design ed for is as follo ws. An async de vice is dir ectly connect ed to the A TP AD, and a call is made to an X.
Conf igu r ing P AD/A TP AD Port s 61 A TP AD P o rts Confi guration Guideline s Use these gui deline s when you enter A TP AD commands: • T ype the commands in uppe r , lower , or m ixe d case. If echo is enable d, the com mands are ec hoed in all capi t als.
62 Conf i guri ng P AD/A TP AD Ports A TP AD P orts Figure 13. Configur e A TP AD P or t Me nu Po rt N u mbe r P o rt Type Conn ec tio n Ty pe Clock S peed Data Bits p e r Charac te r Device Par it y .
Conf igu r ing P AD/A TP AD Port s 63 A TP AD P o rts Parame ters These tables descr ibe t he paramete rs used to conf igure the A TP AD port. Note Unless ot herwis e indi cated, a Node Boot must be performed to ha ve change s take aff ect.
64 Conf i guri ng P AD/A TP AD Ports A TP AD P orts Data Bi ts Range: 7 to 8 Default : 8 Descripti on: Number of bits per cha ract er wh en tr ansm itting and rece i ving data. Bo o t T y pe: A Po r t boot is requ i red fo r the ch ang e t o take effect.
Conf igu r ing P AD/A TP AD Port s 65 A TP AD P o rts Carriage Return Character Range: 0 to 255 Default : 13 Descripti on: Specif ies th e chara cter used t o insert a c arriage r eturn. Bo o t T y pe: A Po r t boot is requ i red fo r the ch ang e t o take effect.
66 Conf i guri ng P AD/A TP AD Ports A TP AD P orts XON Character Range: 0 to 255 Default : 17 Descripti on: Specif ies th e v alue of the ASCII c haracte r us ed for the XON function. Bo o t T y pe: A Po r t boot is requ i red fo r the ch ang e t o take effect.
Conf igu r ing P AD/A TP AD Port s 67 A TP AD P o rts Packet Size Range: 128, 256, 512, 1024 Default : 128 Descripti on: Maximum s ize of packe ts tha t the A TP AD forms.
68 Conf i guri ng P AD/A TP AD Ports A TP AD P orts Result Codes Range: ALPHA, NUM, NONE Default : ALPHA Descripti on: Specif ies ho w result codes are disp layed: • ALPHA: spells out the resul t code • NUM: displays a numeric equi v a lent for th e result cod e • NONE: su ppre ss e s res ult code generati on.
Conf igu r ing P AD/A TP AD Port s 69 A TP AD P o rts Pr ot ocol ID Range: 0 to 8 hex digi ts Default : (blank) Descripti on: First f our byte s of the call user data. If set to z ero, P ID ch ecking is not performed. Bo o t T y pe: A Po r t boot is requ i red fo r the ch ang e t o take effect.
70 Conf i guri ng P AD/A TP AD Ports A TP AD P orts A TP AD P o r t S tatis tics Function Whe n you s elect Detai led A TP AD Port Statistic s, a seri es of s c reens a ppears that pro vides infor mation about the sta te and status of the A TP AD po rt.
Conf igu r ing P AD/A TP AD Port s 71 A TP AD P o rts What Y ou See in the Second Screen F igure 15 illustra te s the se cond sc reen o f Deta i led A TP AD Po rt St at i stics.
72 Conf i guri ng P AD/A TP AD Ports A TP AD P orts Description of T erms — Second Scr een The second Deta iled P AD Port Statisti cs screen conta ins this inform ation: Screen T erm T ells Y ou.
T e c hni ca l Su pport A-1 Appendix A T echnical Supp o r t 3Com pr ovide s easy a ccess t o tec hnical support information through a v ariety of servic es. This appe ndix de scribes these servic es. Infor mation cont ained in this a ppe ndix is corr ect at time of publi cati on.
A-2 T echnic al Support 3Com Bulletin Boar d Service The 3Com BBS contains patche s, sof tw a re , and dri v ers fo r 3Com product s. This servic e is a v ailable throug h an alog modem or digit a l modem (ISDN) 24 hours a day , 7 days a week.
T e c hni ca l Su pport A-3 If you are unable to contact your netwo rk supplie r , see the fol lo win g s ectio n on ho w to c ontact 3C om. Support fr om 3Com If you a re una ble t o obtai n assi stance from the 3Com onlin e tech nical r esources or from your n etwork s upplier , 3Com o f fers t echnical tele phone s upport services.
A-4 T echnic al Support Returning Pr oducts f or Re pa ir Before you send a product di rectly to 3Com for repair , you must fi rs t obtain a Return Materia ls Authoriza tion (RMA) number . Products sent to 3Com without R MA numbers will b e r eturned to the sender unope ned, at the sender’ s e xpe nse.
I ndex Inde x-1 Symbols #1, PAD Recall 29 #10, Line Foldi ng 32 #100, Bre ak Chara cter 37 #101, Echo S ubstituti on T oggle Charac ter 37 #102, Echo S ubstituti on Cha racter 37 #103, XON Cha racte r.
Inde x-2 Control Te rminal Port 1 CUG 14 membersh ip 14 sett ing for Terminal Cont rol 5 D Data Bi t s per Cha racter 10 Data C onnection P rotectio n 16 Data Fo rw a rd ing Ch ar act er 30 Data F orw.
Inde x-3 Profi le Name specif ying 5 Prote ction Level 16 Protoc ol Identif ier 59 R Reconnec tion Tim eout 16 Reconnec tion Tr ies Limit 16 Remo t e PAD Par am eter Tab l e configur e 49 Remo t e PAD.
An important point after buying a device 3Com S200 (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 S200 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 S200 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3Com S200 you will learn all the available features of the product, as well as information on its operation. The information that you get 3Com S200 will certainly help you make a decision on the purchase.
If you already are a holder of 3Com S200, 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 S200.
However, one of the most important roles played by the user manual is to help in solving problems with 3Com S200. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3Com S200 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
