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5.375 x 8.375 ver 2.4.0 TOSHIBA C6628- 0702M1 V .92 56K Internal Modem User’ s Guide.
2 5.375 x 8.375 ver 2.4.0 FCC Notice “Declarati on of Confo rmity Information ” This equip ment has be en tested a nd found to comply wi th the l imits for a Class B digital de vic e, pursuant to P art 15 of the FCC ru les.
3 5.375 x 8.375 ver 2.4.0 Industr y Canada Requiremen t This Class B digital apparatus compli es with Canadian ICES-003. Cet appareil num érique de la classe B est conformé à la norme NMB-0 03 du Ca nada.
4 5.375 x 8.375 ver 2.4.0 in advance of this disconnec tion. If advance notice is no t feasibl e, you will be notified as soon as possibl e. When you are notified, you will be giv en the oppo rtunity to correct the proble m and inf ormed of yo ur righ t to file a complaint with the FCC.
5 5.375 x 8.375 ver 2.4.0 wate r pipe sy stem, if p resent, are connec ted toge ther . This pre caution may be particula rly importan t in rural a reas. Caution: Use rs should not attem pt to mak e such connec tions themselv es, b ut shou ld cont act the ap propriate electric insp ection author ity , or ele ctrician, as appro priate.
6 5.375 x 8.375 ver 2.4.0 T oshi ba assumes no liabilit y for damag e s incurred directly or indire ctly from errors , om issio ns or d iscr epanc ies be tween the m odem and the us er’ s guid e. T rademarks Microsoft and W i ndows are regist ered trade marks of M icrosoft Corpora tion.
7 5.375 x 8.375 ver 2.4.0 Contents Introdu ction .................. ................... .................... ..... 12 Conventions ........................................................... 12 Features .................................................
8 Cont ents 5.375 x 8.375 ver 2.4.0 Chapter 3: Using the In ternal Modem ......... .............. 44 Connection procedures ................................ .......... 44 Analog or digital? ............................................. 45 Connecting the internal modem .
9 Cont ents 5.375 x 8.375 ver 2.4.0 Xn Result code selection, c all progress monitoring ................................................. 63 Extended result codes ...................................... 64 Dial tone detect .............................
10 Cont ents 5.375 x 8.375 ver 2.4.0 S2 A T escape chara cter (user -defined) ............ 83 S3 Command line te rmination charact er (user - defined) ............................................ 83 S4 Response formatting characte r (user - defined) .
11 Cont ents 5.375 x 8.375 ver 2.4.0 Commands (%Cn) ......................................... 100 Appendix A: Sp ecifications ....................... ............... 101 Network control unit (NCU) ................................. 101 Communication specifications .
12 5.375 x 8.3 75 ver 2.4.0 Introduction Congratulations on becoming the o wner of a V .92 56K-compliant internal modem of fering adv anced functions for fax and data communication. This user’ s guide provides detai led information on features, operat ion and technica l specif ications of your i nternal modem.
13 Introd uction Conv ention s 5.375 x 8.3 75 ver 2.4.0 Keys The ke ybo ard ke ys are used i n the text t o describe man y computer operations. A distincti ve typeface identif ies the key top symbols as they appear on the k e yboard. For example, Enter identif ies the Enter ke y .
14 Intro ducti on Featur es 5.375 x 8.3 75 ver 2.4.0 Messages Messages are used in this user’ s guide to bring important information to your attenti on.
15 Introd uction Feat ures 5.375 x 8.3 75 ver 2.4.0 ❖ Data Compression—increases transmission speeds using the ne w V .44 compression algorithm, which is optimized for W orld W ide W eb browsing. The modem also supports MNP5 and V .42bis data compression protocols.
16 Intro ducti on Featur es 5.375 x 8.3 75 ver 2.4.0 56K data c ommu- nicati on The intern al modem use s the V .92 prot ocol to connect t o host V .92 mo dems at d ata rate s of up to 53,000 bits per seco nd (bps) . It us es the V .90 protocol to connec t at data rates of up to 53,000 bps when connect ing to a V .
17 Introd uction Functi on c harts 5.375 x 8.3 75 ver 2.4.0 Function charts The modem supports these communication protocols: Ring indi cator The computer can be po wered on automat i- cally when t he modem an swers a cal l. This feature is a vailab le onl y when the c omputer is in Resume/Stand by mode.
18 Intro ducti on Functi on ch arts 5.375 x 8.3 75 ver 2.4.0 Defini tion : bps sta nds for bi ts per sec ond. V .32 4800, 9600 bps V .22bis 1200, 240 0 bps V .22 1200 bps V .23 75, 600, 1200 bp s V .21 300 bps BELL212A 1200 bps BELL103 300 bps MNP 5 Data compr essio n MNP 4 Erro r contro l V .
19 5.375 x 8.375 ver 2.4.0 Chapter 1 Modem On Hold Y our comput er comes wit h the Mode m On Hold app licatio n preinst alled. Th is appl ication enable s you to an swer incomi ng vo ice ca lls or mak e out going v oice calls whi le maint aining you r Inte rnet connectio n, b y putting the In ternet connecti on on hold.
20 Modem On Hol d Using Mod em On Hold 5.375 x 8.375 ver 2.4.0 The Modem On Ho ld applic ation comes conf igured to auto maticall y launch when you start the comput er , displaying an icon on t he system tr ay . Howe ver , you can ch ange this conf igurat ion.
21 Modem On Hol d Using Mode m On Hold 5.375 x 8.375 ver 2.4.0 2 T o answer an i ncoming cal l, cl ick Answer , then pi ck up your telep hone handset . The Call Status box in dicates t hat the Internet c onnecti on is on hol d while you complete you r v oice ca ll.
22 Modem On Hol d Using Mod em On Hold 5.375 x 8.375 ver 2.4.0 Sample Res uming modem connectio n dialo g box The modem connectio n is automatica lly renegot iated an d your Int ernet connecti on resu mes. NOTE: A “Call Can celed ” message may di splay .
23 Modem On Hol d Using Mode m On Hold 5.375 x 8.375 ver 2.4.0 The V .92 Modem On Hol d dialog ap pears, instructi ng you to cl ick the Ca ll b utton. Sample Pla cing a v oice call dialo g box 3 Befo re the 15-se cond ti mer ru ns out, click Call . Othe rwise, click Ig nore to cancel th e call.
24 Modem On Hol d Using Mod em On Hold 5.375 x 8.375 ver 2.4.0 6 T o end your v oice call and resume yo ur Internet connecti on, w ait un til the i ncoming caller h as hung up, then cl ick Resume Data Call . If you ha ng up befo re the i ncoming cal ler , a “Cal l Cancell ed” messa ge may displ ay .
25 Modem On Hol d Conf iguring Modem On Hol d 5.375 x 8.375 ver 2.4.0 Viewing Call Histor y The Modem On Hold appl ication pro vides a l og of the last ten inc oming calls . The lo g includes the da te, time, ph one number , and Call er ID (if you have Cal ler ID se rvice).
26 Modem On Hol d Conf iguri ng Modem On Ho ld 5.375 x 8.375 ver 2.4.0 Configuring Modem On Hold set tings Y ou conf igure Modem On Hold set tings fr om the V .92 MoH Settin gs dial og. 1 T o open the V .92 MoH Settings dialog, dou ble-click the icon, locat ed on th e syst em tr ay in the lower-right corner o f your deskto p.
27 Modem On Hol d Conf iguring Modem On Hol d 5.375 x 8.375 ver 2.4.0 3 If you do not w ant the Modem On Hold featu re enab led, sel ect Disconnect call. Switch to v oice . When the modem detect s an in coming v oice cal l during an In ternet c onnection , it di sconnec ts the I nterne t connecti on so t hat you ca n answer the v oice call.
28 Modem On Hol d Conf iguri ng Modem On Ho ld 5.375 x 8.375 ver 2.4.0 Enabling/Disabl ing the Modem On Hold autorun status 1 Right-c lick the icon, loc ated on the syste m tray , to display the mode m popup wind ow . Sample modem p opup wind ow 2 If Start A utomatic ally is check ed, you c an click it to clear the ch eck m ark.
29 Modem On Hol d Loca ting th e Modem On Hold applic ation v ersion 5.375 x 8.375 ver 2.4.0 Removing the icon 1 Right-c lick the icon, loc ated on the syste m tray , to display the mode m popup wind ow . Sample modem p opup wind ow 2 Click Exit MOH .
30 Modem On Hol d Loca ting the Modem On Hold a pplica tion ve rsion 5.375 x 8.375 ver 2.4.0 2 Click About MOH t o display the app licatio n vers ion. Sample Abou t MOH.
31 5.375 x 8.375 ver 2.4.0 Chapter 2 Function Check This chap ter describes ho w to chec k the internal mo dem’ s functi ons. Use t his procedur e when t he modem is not worki ng prope rly , to help identi fy the problem and , in man y cases, t he solution.
32 Functi on Check Runn ing d iagnost ics 5.375 x 8.375 ver 2.4.0 Sample Cont r ol P anel 2 Double -click Phone and Mo dem Options to open the Phone and Mode m Options wind o w .
33 Functi on Ch eck Running dia gnosti cs 5.375 x 8.375 ver 2.4.0 Sample Phone and Modem Optio ns window 3 Click th e Modems tab to dis play the insta lled modems.
34 Functi on Check Runn ing d iagnost ics 5.375 x 8.375 ver 2.4.0 Sample Modems tab dialo g box 4 If it is not al ready s elected, click To s h i b a S o f t w a r e Modem , then click Pr operties to open the T oshib a Softwa re Modem Pr operties win do w .
35 Functi on Ch eck Running dia gnosti cs 5.375 x 8.375 ver 2.4.0 Sample T oshiba Softwar e Modem Pr opert ies windo w 5 Click th e Diagnostics tab..
36 Functi on Check Runn ing d iagnost ics 5.375 x 8.375 ver 2.4.0 Sample Dia gnostics t ab 6 Cli ck Query Mo dem . The syste m exec utes an au tomatic ope rations test, displ ayin g the fo llowing me ssage while th e tes t is in progres s.
37 Functi on Ch eck Running dia gnosti cs 5.375 x 8.375 ver 2.4.0 Sample Dia gnostics r esults If the diagnosti cs test fails , you may s ee a “Can’ t Open Port” mes sage. Thi s indica tes that anothe r applic ation is using the COM port, or the modem dri ver is not properly instal led.
38 Functi on Check Dete rminin g cu rr e nt co nnecti on protocol 5.375 x 8.375 ver 2.4.0 12 Reinsta ll th e T oshiba Soft ware Modem dri ver . If you do not ha v e the lates t dri ver , you can do wnload it from www .toshiba.com. 13 Repeat step 1 t hrough step 6 to run di agnostic s again.
39 Functi on Ch eck Dete rminin g cu rr e nt co nnecti on protocol 5.375 x 8.375 ver 2.4.0 Sample Cont r ol P anel 2 Double -click Phone and Mo dem Options to open the Phone and Mode m Options wind o w .
40 Functi on Check Dete rminin g cu rr e nt co nnecti on protocol 5.375 x 8.375 ver 2.4.0 Sample Phon e and Modem Opt ions windo w 3 Click th e Modems tab to dis play the insta lled modems.
41 Functi on Ch eck Dete rminin g cu rr e nt co nnecti on protocol 5.375 x 8.375 ver 2.4.0 Sample Modems tab 4 If it is not al ready s elected, click To s h i b a S o f t w a r e Modem , then click Pr operties to open the T oshib a Softwa re Modem Pr operties win do w .
42 Functi on Check Dete rminin g cu rr e nt co nnecti on protocol 5.375 x 8.375 ver 2.4.0 Sample T oshiba So ftwar e Modem Pr operties wi ndow 5 Click th e Diagnostics tab.
43 Functi on Ch eck Dete rminin g cu rr e nt co nnecti on protocol 5.375 x 8.375 ver 2.4.0 Sample Dia gnostics tab 6 Click V iew log t o display connect ion info rmation abo ut the la st call . 7 Loca te the data com pre ssion fo rmat in the lo g. If i t lists V .
44 5.375 x 8.375 ver 2.4.0 Chapter 3 Using the Internal Modem This chap ter describes connect ion proce dures a nd basic operati ons. Connection proce dures This sect ion descr ibes ho w to connect the intern al modem to, and disc onnect it from, a telephone jack.
45 Using t he Int ernal Modem Conn ection pr oc edures 5.375 x 8.375 ver 2.4.0 Analog or digital? ❖ If you ar e not sure which t ype of li ne a part icular l ine jack of fers, as sume that i t is digi tal and d o not connec t the in terna l mode m to it.
46 Using t he In tern al Modem Conn ection pr o cedures 5.375 x 8.375 ver 2.4.0 Connecti ng the int ernal modem NOTE: Wh en yo u conne ct the RJ11 jack, in sert i t unt il you hea r a click.
47 Using t he Int ernal Modem Basic ope r ation 5.375 x 8.375 ver 2.4.0 Basic operation After yo u connec t the mo dular cabl e to your inter nal modem and a tel ephone line, you a re re ady to run y our comm uni catio n soft ware. Refer to you r soft ware documen tation fo r instr uctions o n opera ting your i nternal modem.
48 Using t he In tern al Modem Basic o per ation 5.375 x 8.375 ver 2.4.0 Extension line If you ar e calli ng from an e xtension line, such as in an off ice bu ilding, and need t o dial ni ne or anoth er number t o gain ext ernal access, f ollo w the steps bel o w .
49 Using t he Int ernal Modem Basic ope r ation 5.375 x 8.375 ver 2.4.0 Receiving a call T o s et the number o f ring s before the in ternal m odem auto maticall y answer s the phone , set t he S0 re gister as follows: AT S 0 = * and press Enter . The aste risk * indicate s the number of ri ngs.
50 Using t he In tern al Modem Basic o per ation 5.375 x 8.375 ver 2.4.0 CTS/R TS control This cont rol met hod is har dwar e-depende nt. T o control data flo w , the modem and c omputer transmit Clear T o Send/ Request T o Send signals to eac h other .
51 5.375 x 8.375 ver 2.4.0 Chapter 4 A T Commands In most ca ses, you wil l not nee d to ty pe A T commands manually . Ho we ver , there may be s ome occasion s when you will nee d to do so. This chap ter describes A T commands for data mode. F ax comm ands a re i ssue d by appl icatio n sof tware.
52 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 +++ Escape sequence The escap e sequence allo ws the modem to exit dat a mode and enter o nline c ommand mode . Whi le in onl ine comman d mode, you can communi cate dire ctly with you r modem using A T commands.
53 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 Result Cod es: Dn Dial This command instructs the mo dem to dial a telepho ne number . Enter n (the telephone number a nd any mod if iers) after the A TD command. Any di git or sy mbol (0- 9, *, #, A, B, C, D) may be dialed as touch-t one digit s.
54 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 En Echo command This comm and con trols wheth er or not the char acters entere d from your computer k eyboa rd ar e displaye d on your moni tor (echoed) while th e modem is in c ommand mode.
55 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 Hn Hook control This command instructs the mo dem to go on-h ook to disconne ct a call , or of f-hook to make the pho ne line b usy . Result Cod es: In Request ID information This command displa ys product information about the modem.
56 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 The foll o wing tabl e cont ains an e xample of the conne ction inform ation r eturne d by t he I11 comma nd: Description Status Last Conne ction V .
57 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 The A TI11 command may be issued from onl ine command mode or af ter the e nd of a cal l.
58 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 T ransmit Signal Power Level (-dB m) The signa l po wer transmit ted upstrea m. Round T rip Delay (msec ) The round t rip dela y , in mill iseco nds. Near Echo Le vel (-dB m) Near echo le vels only .
59 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 Result Codes: Call T ermin ation Cause The reaso n the call ended. This v alue is v alid only afte r the call ends. 0 local modem command; A TH, DTR drop. 1 remote modem command: cle ardown , loss of signal .
60 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 Ln Monitor speaker volume This command sets speaker v olume to lo w , medium, or high. Result Cod es: Mn Monitor speaker mode This command tur ns the speak er on or of f.
61 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 Nn Modulation handshake This command controls whether or not th e local mode m perfor ms a ne gotiat ed hands hake at connec tion time with the remote mode m when the communicatio n speed of t he tw o modems is di f ferent.
62 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 P Select pulse dialing This command configure s the modem for pulse (n on-touch- tone) di aling. Di aled digi ts ar e pulsed unt il a T comman d or dial modi fi er is recei ved. T one dial is the def ault set ting.
63 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 Result Cod es: Wn Result Code Option Result Cod es: Xn Result code selection , call progress monitoring This command sets detection options f or dia l tones a nd b usy signals , which is i ts primar y functi on.
64 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 Extended result codes Dial tone detect Busy tone detect Disable d: Displays only the b asic res ult codes : OK, CONNECT , RING, NO CARRIER, and ERR OR.
65 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 Zn Recall stored profile The modem p erforms a s oft rese t and res tores (recall s) a confi guratio n profile according to the parameter supplied . Y ou can st ore tw o conf iguration pr of iles.
66 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 &Dn Data T erminal Ready (DTR) control This command interprets ho w the modem responds to th e state of the DT R signal an d change s to the DTR s ignal. Result Cod es: &F Load factor y settings This command loads the conf iguration stor ed and programmed a t the f actory .
67 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 &Gn V .22bis guard tone control This command determines which guar d tone, i f an y , to transmi t while tr ansmit ting in t he hig h band (a nswer mod e). This command is only used in V .
68 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 &Pn Select Pulse Dial Make/Break Ratio Result Cod es: &Tn Self-test commands These te sts ca n help to i solate p r oble ms if you ex perience periodi c data loss or r andom er rors.
69 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 &V View ac tive configuration and stor ed profile The modem ma intains tw o stored prof iles, in addit ion to the acti ve prof ile. This command is use d to displ ay all thre e modem conf igurations, and any stored t elephone n umbers.
70 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 &Zn=x Store telephone numbe r This co mmand is used t o store u p to four dial ing str ings in the mod em’ s no n volati le mem ory for later d ialin g.
71 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 Result Cod es: Qn Local flow control selection Result Cod es: Vn Protocol result code Result Cod es N7 V .42. MNP o r Buf fer (s ame as N3). OK n = 0,1,2,3,4,5,7 ERR OR Otherwise Q0 Disable flo w cont rol.
72 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 %Cn Data compression control This comman d determines the operati on of V .42bis and MNP class 5 data c ompression. Online changes do n ot tak e ef fect until a disco nnect occu rs first . Result Cod es: -V .
73 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 +DS44 V .44 Data Compression Command This command configure s the V .44 dat a compressi on direct ion used b y the modem. It ca n also be u sed to display the cur rent da ta compres sion conf iguration , and th e support ed <direc tion> parameter va lues.
74 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 Result Cod es: +DS44? This command dis plays the current V .44 compression conf igur ation. +DS44=? This command displa ys the suppor ted +DS44 <direct ion> parame ter v alues. +MS Command This command can be used to set protocol and conn ection speed pa ramete rs f or the mod em.
75 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 This c ommand is used to set th e v arious pa ramete rs desc ribed belo w: <carri er> The m odem protocol . V alid v alue s are: V alue Meaning V92 V .92 (defau lt) V90 V .90 V34 V .34 V32T V .
76 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 Example: + MS=V92,1,0,0 This set s the modulation to be V .92 a nd the spe ed nego tiation s to us e automode. Thi s is the modem defa ult. Example: + MS=V90,0,0,45333 This wil l limit t he maximum speed t o 45,333 bps in V .
77 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 +PCW Command This command configure s ho w the mode m responds t o a call waiti ng signal . The modem’ s response is also determined by the cur rent c onfi guratio n of th e +VCID calle r ID co mmand (See “+VCID Command” on pa ge 79 for in forma tion on t his command).
78 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 +PIG Command This command enables or disab les PCM ups tream. Y ou can also use this command to display the c urrent PCM ups tream conf igurat ion, an d to displ ay the supp orted +PIG command parame ter v alues.
79 A T Command s A T command for mats 5.375 x 8.375 ver 2.4.0 +PMH Command This command enables or disab les the M odem On Hold featur e. Y ou can a l so us e this command t o disp lay th e current Modem on Hold co nfigurat ion, and to displ ay the suppo rted +PMH c ommand para meter v alues.
80 A T Commands A T command for mats 5.375 x 8.375 ver 2.4.0 +VCID=<value> V alid < v alue> pa rameter v alues are as fol lo ws: Result Cod es: +VCID? This command displa ys the current caller ID conf iguration. +VCID=? This command displa ys the suppor ted +VCID <va lue> parame ter v alues.
81 5.375 x 8.375 ver 2.4.0 Chapter 5 S-Registers S-Regi sters conta in the settin gs that deter mine how sev e ral functi ons of the inter nal modem oper ate, su ch as choos ing how many tim es to let the te lepho ne rin g bef ore the m odem answers a nd ho w long to wait before it hangs up i f a connecti on f ails.
82 S-Regis ters S-Re gister val ues 5.375 x 8.375 ver 2.4.0 S-Re gister values ❖ The fo rmat for d ispla ying the v alue of an S-Re gister is: AT S n ? where n i s the re giste r number .
83 S-Regi sters S-Register va lues 5.375 x 8.375 ver 2.4.0 S2 A T escape character (user -defined) This re gister det ermines th e ASCII v alue used for an esc ape sequ ence. The defau lt is th e + char acter . The e scape sequen ce allo ws the modem to e xit data mode and e nter command mode when onl ine.
84 S-Regis ters S-Re gister val ues 5.375 x 8.375 ver 2.4.0 S5 Command line editing cha racter (user defined) This re gis ter sets t he chara cter rec ognized as a ba ckspace and pertai ns to asyn chronous t ransmis sion only . The modem will not rec ognize the backsp ace cha racter i f it is set to an ASCII v alue greater t han 32.
85 S-Regi sters S-Register va lues 5.375 x 8.375 ver 2.4.0 S7 Connection co mpletion time-out This re gister set s the ti me, in se conds, that the modem must wai t before hangin g up beca use the ca rrie r is not d etected. The timer is star ted when the modem finish es diali ng (origi nate), or goes of f-hook (answer) .
86 S-Regis ters S-Re gister val ues 5.375 x 8.375 ver 2.4.0 S12 Escape guard time This register sets th e value (in 2 0 ms inc reme nts) f or the requir ed pause after t he esc ape sequenc e (def ault 1 second ). S37 Dial line rate Range: 0-255 Defau lt: 50 Units: .
87 S-Regi sters A T comma nd set result codes 5.375 x 8.375 ver 2.4.0 A T command set result codes The fo llo wing t able sho ws the r esult cod es: Command Set Result Codes T able Result Code Numeric.
88 S-Regis ters A T command s et r esult codes 5.375 x 8.375 ver 2.4.0 CONNECT 9600 EC * 1 2 Connection at 9600 bps CONNECT 14400 EC * 1 3 Connection at 14400 bps CONNECT 19200 EC * 1 4 Connection at .
89 S-Regi sters A T comma nd set result codes 5.375 x 8.375 ver 2.4.0 CONNECT 57600 EC * 1 8 Connection at 57600 bps (DT E rate) CONNECT 115200 EC* 87 Connection at 1152 00 bps (DT E rate) CONNECT 320.
90 S-Regis ters A T command s et r esult codes 5.375 x 8.375 ver 2.4.0 CONNECT 56000 EC * 8 2 Connection at 56000 bps CONNECT 28000 EC* 1 0 0 Connection at 28000 bp s CONNECT 29333 EC* 1 0 1 Connectio.
91 S-Regi sters A T comma nd set result codes 5.375 x 8.375 ver 2.4.0 CONNECT 54666 EC* 1 1 4 Connection at 54666 bp s Command Set Result Codes T able (Continued) Result Code Numeric Description * EC appear s only wh en the Exte nded Resu lt Codes conf igur ation opt ion is enabl ed.
92 5.375 x 8.375 ver 2.4.0 Chapter 6 T est Function Normally , data co mmunicati ons are e xecuted by connectin g your compute r and modem to those of a remot e station with a communic ation line.
93 T est Functio n T esting pr ocedu re 5.375 x 8.375 ver 2.4.0 Local/an alo g/loopbac k test T esting pro cedure T o conduct t he loop back test : 1 Ente r the foll o win g A T c omman ds to s et the.
94 T est Functi on T esti ng pr ocedu re 5.375 x 8.375 ver 2.4.0 4 Ente r the es cape co de as follows to re turn to the command s tate fr om the onlin e state. +++ Recei ve OK. 5 Ente r the foll o win g A T c omman ds to te rmina te the t est: AT & T 0 Recei ve OK.
95 5.375 x 8.375 ver 2.4.0 Chapter 7 MNP and V .42 2 The in tern al mode m has buil t-in p rotoco ls MNP (Micro com Netw orking Pro tocol) Cl ass 4 a nd V .
96 MNP and V .42 Oper atio n modes 5.375 x 8.375 ver 2.4.0 The prot ocol of both mod ems must be the same. The refore, if the remot e modem suppor ts only cl ass 3 o r belo w , the protoco l for the remote modem will be used . If the r emote modem does not use MNP , the communication will be made at the s peed of th e remote mode m.
97 MNP and V .42 Flow cont r ol 5.375 x 8.375 ver 2.4.0 Command s ( Nn ) The foll o wing N mod ulation h andshake commands a re used to set t he communica tion mode: For deta ils, ref er to “ A T Commands” on page 51 .
98 MNP and V .42 Flow con tr ol 5.375 x 8.375 ver 2.4.0 Flow contr ol Serial port flow control Serial port d ata flo w is contro lled b y the modem in it s comm uni catio n with a pers onal compu ter .
99 MNP and V .42 Flow cont r ol 5.375 x 8.375 ver 2.4.0 Since th ese tw o codes, XON an d XOFF , are use d as flo w control chara cters, bi nary data that includes these two c odes cannot be tran smitted or recei ved.
100 MNP and V .42 Data compr ession 5.375 x 8.375 ver 2.4.0 Modem port flow control Modem port fl o w co ntrol re fers to flow contr ol bet ween th e modems of th e loca l stati on and remote statio n.
101 5.375 x 8.375 ver 2.4.0 Appendix A Specifications This appe ndix su mmarizes th e T oshiba i nternal modem’ s technic al specif icatio ns. Network control unit (NCU) T ype of NCU AA T ype of lin.
102 Spec ificati ons Communicat ion specif ications 5.375 x 8.375 ver 2.4.0 Communication specificati ons Communicati on system Data: Full dupl ex Fax: Half dupl ex Communicati on protoco l Data : ITU-T -Rec V .21 / V .22 / V .22 bis / V .32 / V .32bis / V .
103 5.375 x 8.375 ver 2.4.0 Appendix B Communication Conditions Communication para meters Select communication pa rameter s from the table belo w. T eleph one line types This int ernal mode m can be co nnected t o 2-wire an alog subscri ber tele phone l ines (PO TS lines ) only .
104 Com munica tion Co nditio ns Dial mod es 5.375 x 8.375 ver 2.4.0 Connectable l ines (2-wire) ❖ Ordinary analo g telephon e lines wi th direct connec tion ❖ Corporat e analog l ines conne cted .
105 5.375 x 8.3 75 ver 2.4.0 G lo ssar y Acrony ms bps or BPS: Bits per Sec ond COM1: Communicat ions Port 1 (serial po rt) COM2: Communicat ions Port 2 (serial po rt) CPU: Centr al Processi ng Uni t .
106 Glossa ry 5.375 x 8.3 75 ver 2.4.0 LFB: Linear Frame Buf fer LPT1: Li ne Printer Port 1 (parallel port) MB: Megab yte MIPS: Milli ons of Instructio ns per Second PBX: Pri vate Branch Exchange PCI:.
107 Glossary 5.375 x 8.3 75 ver 2.4.0 American Na tional Standards Institute ( ANSI) character set: The set of characters a vailable in Micros oft ® W indo ws ® operat ing system (o r other operating system ). The character set includes letters, number s, symbols and fo reign language char acters.
108 Glossa ry 5.375 x 8.3 75 ver 2.4.0 bits p er seco nd (B PS): A way of measuring the speed at which information is passed between two devices. This is the basic measure used in modem communications. This is similar , but not identical, to the baud rate.
109 Glossary 5.375 x 8.3 75 ver 2.4.0 charac ter: Any l etter , number or symbol y ou can us e on the computer . Some characters are non - printing characters , such as a paragraph b reak in a w ord-proces sing progr am. A character occupies on e byte of computer storag e.
110 Glossa ry 5.375 x 8.3 75 ver 2.4.0 D D AA: Data Access Arrangement is a circuit th at isolates a de vice from phone lines. data : Information that a computer can proces s. The word “data” is actually plural for “datum,” meanin g a single piece of information.
111 Glossary 5.375 x 8.3 75 ver 2.4.0 DSR signal : This signal tells the personal computer whether the modem is read y for commu nication. DTR signal : T his signal tells the modem whether the personal computer is r eady for commu nication. duple x: The method used to transm it data in both directions betw een two devic es.
112 Glossa ry 5.375 x 8.3 75 ver 2.4.0 Flow cont r ol : Flow con trol ensures smooth data comm unication. If operating speed d iffers between the personal co mputer and modem or b etween your modem an.
113 Glossary 5.375 x 8.3 75 ver 2.4.0 input/output ( I/O): Input and output are tw o of the three functions that compu ters perf orm (the o ther is pro cessing). In put/Outp ut describes the interrelated tasks of p rov iding information to the computer and providing the results of p rocess ing t o use rs.
114 Glossa ry 5.375 x 8.3 75 ver 2.4.0 N Norm al mode: Error correction is not made by MNP or V .42, but e ven i f seria l port speed is dif ferent fr om modem port sp eed, the buf fers in the modem and its flow control function permit communication withou t changing their s peeds.
115 Glossary 5.375 x 8.3 75 ver 2.4.0 Pulse dialing: A dialing meth od that uses pulses instead of tones to generate a telephon e number . Generally associated with ro tary dial pho nes, alt hough som e push -but ton pho nes can be us ed on puls e li nes.
116 Glossa ry 5.375 x 8.3 75 ver 2.4.0 synchronous: Having a constant time interv al between successi ve bits, characters or e vents. Synchr onous data transmission requires bo th the sending and recei ving devices to use special synchronizing ch aracters to correct v ariation s in timing between the de vices.
117 5.375 x 8.3 75 ver 2.4.0 Index Numerics 56K technology 1 6 A analog/loop back test 9 2 answer ing a ca ll 2 0 A T command 5 2 A T com mand set result codes 8 7 A T com mands answer command 5 2 Cal.
5.375 x 8.3 75 ver 2.4.0 118 Index select stored profile for hardware reset 6 9 sele ct t one dial ing 6 2 self-test c ommands 6 8 store current configuratio n 6 9 store telephone number 7 0 V .
5.375 x 8.3 75 ver 2.4.0 119 Index hook control 5 5 I icons definitions 1 4 inte rnal m odem communica tions protocols 1 7 connec ting 4 5 connecti on procedures 4 4 disconnectin g 4 6 L load factory .
5.375 x 8.3 75 ver 2.4.0 120 Index S-register values A T escape c haracte r 83 Comma pause time 8 5 Command li ne editing c haracter 84 Command line termina tion char acter 83 Connection c ompletion t.
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