3Com S200 manuale d’uso

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. S. Government Users The soft ware (inclu ding f ir mware) a ddresse d in this manual is provi[...]

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 3Com , m a y not be copi ed, repr oduced, dis closed to othe rs, publis he d, or used, i n whole or in part, fo r any pur pos e othe r tha n t hat fo r[...]

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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. It includ es exp la nations of both P AD port types, c ommands that can be used , and ho w to c onfi gure a node for e ither P AD or A TP AD[...]

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. A P AD does th is b y packe tiz i[...]

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. It also s ho ws ho w the Path B uil der S200 series switc h wi th[...]

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 . P AD P or t Configur ation Record Figure 2 shows the P A D [...]

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 er s : Other T able s Y ou Must Configure If yo ur port type i s P AD Port, y ou must also conf igure parameter s in t he: • P AD Pr of ile T able ?[...]

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 . The promp[...]

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. An y pa rameter wi th an asteri sk (*) requir es a Node boot. Parame ters Fr om the P AD port r ecord, y ou ca n conf igure these parameter s: Connection T ype Range: SIMP , DTR, DTRD, DTRP [...]

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. • Dial Out : Calls rece iv ed f rom the port . • Dial I[...]

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. • Port spe ed is set by t his parameter alth ough the P [...]

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. Device Parity Range: NONE, SP A C, MA R K, EVEN, ODD, A UTO Default : NO NE Descripti on: Determ[...]

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 limit ations when maki ng and recei ving ca l ls: • NONE: No opti ons • A UTO: Automaticall y place s a call when an EIA connection is establishe d [...]

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 Descripti on: Specif ies options f or the atta ched de vic e: • NONE: No option specif ied • P ASS: A passwor d is r equired (conf ig ured in the NU[...]

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 . Remote P[...]

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. • For unl im ited c all att[...]

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. This only works aft er you hav e conf igur ed Billing Prin ter Mnem[...]

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. • CP_ONL Y : Connection pr otection only . • FULL_DCP: Full data and connectio n[...]

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 . Note If a port is confi gured as T rans pare nt Pol led As[...]

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. • CCITT : X.28 CCITT • DPN: DPN ITI NUI Facili t y Format Range: ODPN, NDPN, 1992_DPN Default : OD P N Descripti on: Specif ies th e NUI f acilit y field for[...]

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 . This p aram eter i s ef fective only if the Port C ontrol parameter is[...]

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. • Call C ontrol (set to A UT O or A UTC) • Autocall M nemonic ( this m ust be def ined in the Mnemonic T able) •[...]

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. Figure 3. SDLC M[...]

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. Fo r exa mple, autospeed is use ful when th e P AD port is c onnecte d to a modem that i s bei[...]

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.25 Int err upt packe ts. This impro ves the transmiss io[...]

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. 3 Press Re turn t o access the K ey V alue f ield and ente r the CSK number: B G MV4HE3EG[...]

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 (*). Y ou u se the P AD P r ompt T able to change the paramet er[...]

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. Parame ters Fr om the P AD Prompt T able Record, you can conf igur e these para meters ( with the e xception of Entry Number ): Entry Number Range: 1 to 8 Default [...]

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. Many other P AD port s can a lso us e the same P AD Profil e T able Rec ord t o ensure that all P AD Ports have the sa me char acteristi c[...]

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. • If parame ter #113 is 1, then #1 must be 0 . • If parame ter #114 is 0, then #115-#11[...]

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 . Parame ters Fr om the P AD Profi le T able Record, you c an conf igure these para meters ( with th e e xception of Entry Number ): Entry Number Range: 1 to [...]

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. #3, Data Forwardi ng Character Range: 0 to 127 Default : 2 Descripti on: Specif ies the ASCII charac[...]

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. • 0: No c ontrol with XON/XOF F . • 1: Control inbound dat a fro m dev ice. • 2: Control [...]

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. • 1: Send I nterr upt pa cket. • 2: Sen d Res et pack et • 4: Send I ndic[...]

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 attached te rminal restra in the P AD from se nding data: • 0: No f low c ontrol with XON/XOFF • 1: Allo w flo w cont rol o n outbound data and servic[...]

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 dding a fter <LF> • 1 to 255: The number of pa dding ch aracters insert ed aft er < LF> Select at leas t on e padding chara ct er when a pr [...]

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). #19, Edit ing T ype Range: 0, 1, 2, 5, 32 to 126 Default : 2 Descripti on: Specif ies the type of c[...]

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 ). • 1: No echo of <CR>. • 2: No e cho of line feed <L F>. • 4: No echo o[...]

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. #100, Bre ak Character Range: 0 to 127 Default : 0 Descripti on: Specif ies the ASCII charact er used[...]

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. #104, XOFF Cha racter Range: 0 to 255 Default : 19 Descripti on: Specif ies the decimal v alue of the ASCII cha rac ter used for the[...]

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. • 4: Odd. Note For most applic ations , sele ct T ranspare nt (0), whic h allo ws data to pas[...]

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. • 1 to 255: Number of pa dding c haract[...]

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. • 1: Inpu t Prior ity . P AD holds output until input from the ter[...]

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 Async host P AD • 2: Polled Async remote P AD Note A change to t his p arameter only tak es ef fect if you purchas ed the Tr ansparent Polled Async[...]

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 . Note A change to t his p arameter only tak es ef fect if you purchas ed the Tr [...]

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 . By us ing the p aram eter values in th e stor ed P A D Pr ofile T a ble , you can copy the m into the c onf iguration memo ry as i f you[...]

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. P arameter V alues Stored In Memory P arameter Na me Default (0) Te s t (1) Simpl e (2) T r[...]

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 0 0 0 0 0 0 #115 Data Forwa rding Crit eria 0 0 0 0 0 0 #116 Sho rt T im er Dur atio n 0 0 0 0 0 0 #117 EIA Signalli ng Ac tion 0 0 0 0 0 0 #118 Mess[...]

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 000 000 #102 Echo Sub Character 0 0 0 0 0 0 #103 XON Cha r acter 17 17 17 17 17 17 #104 XOFF Character 19 19 19 19 19 19 #105 Data Restraint 0 0 0 0 0 0 #10[...]

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. P AD Bul letin Mes sage The P AD B ull e ti n Message is displ ayed when you c onnect to a[...]

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 . 29 set command is sent. What Y ou See In This Recor d Figure 8 shows how t[...]

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. Parame ters Y ou can conf igur e these paramete r s ( with the exc e ption of Entry Number) from the Remo t e P A D Param eter[...]

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.3 paramet er sen t to a remote P AD that has just connected to a local P AD p ort. The selec tions c orrespo nd to t he pa ram et ers in the P AD Pr o file T a ble : • #1: P AD R e c all [...]

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 Handling (0 to 255) • #111: Ec ho Control (0 to 3) • #112: Dynamic Data For warding ( 0, 1) • #113: He wlett -Pack ard flow contro l (0 to 4 ) • [...]

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. What Y ou See in the Fi rst Scr e en Figur e 9 shows the fi rs t screen of the Detail[...]

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. Figure 10. Example of De tailed P AD P ort Statis tics, Second S creen Data Summar y: IN/OUT Summary of the charac ters, packet s, and frames being sent and recei ved ov[...]

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... Call Summary • Current Status: Status of the call on the spec if ic port (Disc onnect, Calling, Call ed, Cleari ng, Connected, Loc [...]

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. This port t ype is always in the C ommand mode whe never a c all is not taki ng place. When the A TP AD is in the Command mode, it re ceives cha rac ters from the a tta ched termi nal device, pr o[...]

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 . If the port wan ts to fl o w cont rol the attached de vice, it sets its C[...]

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.25 host. The A TP AD port currently str i ps parit y on the incomi ng a sync data, so tha t th[...]

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. • Use white s pace (T AB and S P ACE) charac ters a nywhere on the command line . The[...]

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 Num ber of St op Bits Esca pe Ch arac t er Carri a ge Retu rn Ch aracter Line Fe e d Char act er Back Space Char act er Da ta Forwa rding C haract er [...]

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. P or t T ype Range: NULL, P AD, X25 , SDLC, FRI, A TP AD, PP P Default : P AD Descripti on: Specif ies the po[...]

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. P arity Range: NONE, SP A C, MA R K, EVEN, ODD Default : NO NE Descripti on: The pari ty the po[...]

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. Line Feed Character Range: 0 to 255 Default : 10 Descripti on: Used to m o v e th e c[...]

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. Flow Contr ol Range: NONE, CNTL, XOFF Default : NO NE Descripti on: Specif ies the type[...]

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. 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. Echo Range: ON, OFF Default : ON Descripti on: Specif ies whe ther Ec ho is enabled or d isabled whe[...]

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. Bo o t T y pe: A Po r t boot is [...]

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. Netw ork P arity Range : NONE, SP A C, MA R K, EVEN De[...]

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. What Y ou See in the Fi rst Scr e en Figur e 14 illustr ates the f irst screen of Deta ile d A T[...]

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. Figure 15. A TP AD P or t Statis tics - Screen 2 Data Summar y: IN/OUT Summary of the charac ters, packet s, and frames being sent and recei ved ov er the port In te rface [...]

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... Call Summary • Current Status: Status of the call on the s p ecific po rt (Da ta T ran sfer, Calling, Call ed, Cleari ng, Connected, Loc al C opy) ?[...]

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. F o r the v ery latest , 3Com reco mmends that you acc ess the 3Com [...]

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. Access b y Analog Mode m T o reach the servi ce by mo dem, se t your m odem to 8 data bits, no parity , an[...]

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. T o f ind out[...]

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. T o obtain an RMA nu mber , call or fax: 3/2[...]

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 38 #104, XOF F Ch aracter 38 #105, Cont r ol S ignal (EI A - 232 - D) Data Restra int 38 #106, Net wor k P arity 39 #107, I dle Dis connect Timer 39 [...]

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 orwardi ng Crite ria 42 Data R estrai nt 38 DCD to Data Ti mer Dur ation 43 DCP 16 Device Flow Control 31 Devi ce Pa ri ty 1 0 Disc onnect Charac ter 39 [...]

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 Par am eters Number 5, 13 Table 5 Response delay 60 retur ning products f or repair 4 S SDLC autoca lling m nemonic 21 Servi ce Signals Control 31 Sh[...]