USRobotics 33600 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76

Ir para a página of

Bom manual de uso

As regras impõem ao revendedor a obrigação de fornecer ao comprador o manual com o produto USRobotics 33600. A falta de manual ou informações incorretas fornecidas ao consumidor são a base de uma queixa por não conformidade do produto com o contrato. De acordo com a lei, pode anexar o manual em uma outra forma de que em papel, o que é frequentemente utilizado, anexando uma forma gráfica ou manual electrónicoUSRobotics 33600 vídeos instrutivos para os usuários. A condição é uma forma legível e compreensível.

O que é a instrução?

A palavra vem do latim "Instructio" ou instruir. Portanto, no manual USRobotics 33600 você pode encontrar uma descrição das fases do processo. O objetivo do manual é instruir, facilitar o arranque, a utilização do equipamento ou a execução de determinadas tarefas. O manual é uma coleção de informações sobre o objeto / serviço, um guia.

Infelizmente, pequenos usuários tomam o tempo para ler o manual USRobotics 33600, e um bom manual não só permite conhecer uma série de funcionalidades adicionais do dispositivo, mas evita a formação da maioria das falhas.

Então, o que deve conter o manual perfeito?

Primeiro, o manual USRobotics 33600 deve conte:
- dados técnicos do dispositivo USRobotics 33600
- nome do fabricante e ano de fabricação do dispositivo USRobotics 33600
- instruções de utilização, regulação e manutenção do dispositivo USRobotics 33600
- sinais de segurança e certificados que comprovam a conformidade com as normas pertinentes

Por que você não ler manuais?

Normalmente, isso é devido à falta de tempo e à certeza quanto à funcionalidade específica do dispositivo adquirido. Infelizmente, a mesma ligação e o arranque USRobotics 33600 não são suficientes. O manual contém uma série de orientações sobre funcionalidades específicas, a segurança, os métodos de manutenção (mesmo sobre produtos que devem ser usados), possíveis defeitos USRobotics 33600 e formas de resolver problemas comuns durante o uso. No final, no manual podemos encontrar as coordenadas do serviço USRobotics na ausência da eficácia das soluções propostas. Atualmente, muito apreciados são manuais na forma de animações interessantes e vídeos de instrução que de uma forma melhor do que o o folheto falam ao usuário. Este tipo de manual é a chance que o usuário percorrer todo o vídeo instrutivo, sem ignorar especificações e descrições técnicas complicadas USRobotics 33600, como para a versão papel.

Por que ler manuais?

Primeiro de tudo, contem a resposta sobre a construção, as possibilidades do dispositivo USRobotics 33600, uso dos acessórios individuais e uma gama de informações para desfrutar plenamente todos os recursos e facilidades.

Após a compra bem sucedida de um equipamento / dispositivo, é bom ter um momento para se familiarizar com cada parte do manual USRobotics 33600. Atualmente, são cuidadosamente preparados e traduzidos para sejam não só compreensíveis para os usuários, mas para cumprir a sua função básica de informação

Índice do manual

  • Página 1

    Winmodem 33600 & x2/56K* User’s Manual[...]

  • Página 2

    * Depending on line conditions. U.S. Robotics and the U.S. Robotics logo are 3Com registered trademarks. IBM, IBM PC, PC/XT and PC/AT are International Business Machines Corporation trademarks. Microcom Networking Protocol (MNP) is a Microcom Inc. registered trademark. © 1997[...]

  • Página 3

    Table of Contents Introduction 1 How a Modem Works .............................................. 1 How Does Your Sportster Winmodem 33600 & x2/56K Work ? ................................................................... 2 Other Features ....................................................... 3 Package Contents ...............................[...]

  • Página 4

    Voice Functions 33 Overview of Voice Functions .................................. 3 3 Speakerphone ...................................................... 3 4 Implementing Voice Functions ................................ 3 4 Voice Applications ............................................ 3 4 Application Settings .....................................[...]

  • Página 5

    Sportster Winmodem 33600 & x2/56K - User's manual 1 Intr oduc tion H ow a M ode m W or k s A m odem i s a c om pu t er per i ph er al th at all ow s you t o comm u n icate w i t h ot h er compu t ers vi a t el eph on e lin es. Becau se ordin ar y t el eph on e li n es can n ot car ry digital in for m at i on , a m odem ch an ges t h e digi[...]

  • Página 6

    2 Sportster Winmodem 33600 & x2/56K - User's manual H ow Doe s Y our Spor t s t e r W i nmode m 33600 & x2/56K ∗ Wor k ? With your Sportster Winmodem 33600 & x2/56K*, you can move beyond the boundaries of your computer — around the world, if you’d like. You can fax a graphic to an overseas supplier, update files on your compu[...]

  • Página 7

    Sportster Winmodem 33600 & x2/56K - User's manual 3 Accurately Sportster Winmodem 33600 & x2/56K can automatically detect and correct errors during a transmission (V.42/MNP 2-4 error control.) Efficiently The Sportster Winmodem 33600 & x2/56K ’s data compression feature can pack data down to a fraction of its original size. It ca[...]

  • Página 8

    4 Sportster Winmodem 33600 & x2/56K - User's manual Speakerphone Working with the Sound Card The modem fitted in your Pc is equipped with jack sockets for speakers and microphone on the rear panel as well as an internal connection that goes directly to the sound card (if fitted). It is recommended that for higher quality recording and play[...]

  • Página 9

    Sportster Winmodem 33600 & x2/56K - User's manual 5 Ins ta llat ion S p o r tster W i n mo d em 33600 & x2/56K I n stal l ati o n NOTE: Turn the computer and any connected peripheral devices off. This chapter will walk you through the installation of your Sportster Winmodem 33600 & x2/56K. There are two parts to the installation: H[...]

  • Página 10

    6 Sportster Winmodem 33600 & x2/56K - User's manual STEP 1: Insert the Modem Into the Computer Inserting the board into the groove. Installation Procedure 1. Turn off and unplug the computer. 2. Unplug all the peripheral devices (screen, printer, etc.). 3. Remove the computer's cover to have easy access to the internal bus connectors.[...]

  • Página 11

    Sportster Winmodem 33600 & x2/56K - User's manual 7 TELCO jack is accessible through an opening in the computer's case.) 8. Plug the other end of that cord into a wall jack for an analog line. 9. If you want to use a telephone on that line, the setup is as follows: Plug the telephone's cord into the telephone wall jack as shown a[...]

  • Página 12

    8 Sportster Winmodem 33600 & x2/56K - User's manual STEP 2: Run the Modem’s Installation Program Sportster Winmodem 33600 & x2/56K comes with an installation diskette that contains an installation program that will help your computer finish installing the modem. This program will also copy modem programs from the diskette onto your c[...]

  • Página 13

    Sportster Winmodem 33600 & x2/56K - User's manual 9 At this point, you’ll either: • Be able to find the Sportster Winmodem 33600 & x2/56K group in the Program Manager window: If you can find this group, you’re ready to install the communications software. OR • If the computer cannot configure the modem automatically, you will g[...]

  • Página 14

    10 Sportster Winmodem 33600 & x2/56K - User's manual If the configuration you’ve chosen does not work , you chose an I/O address and/or an IRQ that is not available: If you chose an unavailable I/O address, you will get an error message. Choose another I/O address in the Configuration dialog box that appears. If you chose an unavailable [...]

  • Página 15

    Sportster Winmodem 33600 & x2/56K - User's manual 11 STEP 3: Installing the Communications Software You’ll need communications software to get the modem working — dialing numbers, downloading files, sending faxes, etc. • If you’re asked to select your modem type from a list, select a high speed Sportster or Courier Dual Standard. ?[...]

  • Página 16

    12 Sportster Winmodem 33600 & x2/56K - User's manual[...]

  • Página 17

    Sportster Winmodem 33600 & x2/56K - User's manual 13 C hanging C ount ry Se t up unde r Window s 9 5 W h en tr a vellin g w it h t h e Sp o r t s t e r W inm odem PC C ar d, you may n eed t o ch an ge t h e cou n t r y set u p to at t ain corr ect operat ion u sin g ot h er t el eph on e n et wor ks. Th ese n et wor ks may u se diff er en [...]

  • Página 18

    14 Sportster Winmodem 33600 & x2/56K - User's manual 3. Clic k OK . Th e ‘Modem: Ch an ge Cou n t ry Set u p’ dial ogu e box should appear. N ot e: Th e upper-h alf of th is w in dow displ ays t h e cu r ren t cou n t ry select ed. Th e lower sect ion displays a ser i es of f lags off er i n g alternative setup options. 4. S elect t he[...]

  • Página 19

    Sportster Winmodem 33600 & x2/56K - User's manual 15 U sing t he M ode m I n stal l ati on T est Follow this procedure to check that the modem works correctly. 1. Turn the computer on. 2. Load and run the communications software. Check the software installation manual for further information. Do not be alarmed when a DOS- based hardware di[...]

  • Página 20

    16 Sportster Winmodem 33600 & x2/56K - User's manual 6. Execute the function that authorizes sending AT commands to the modem; in other words, put the computer in terminal mode. 7. Verify that the computer and the modem can communicate with each other by sending the following AT command (you can type the command either with uppercase or lo[...]

  • Página 21

    Sportster Winmodem 33600 & x2/56K - User's manual 17 $7,(QWHU! The modem will respond to this command by displaying a list of the configuration settings. To modify them, please refer to Appendix A. Resetting the Modem to Factory Settings Some transmission sessions can modify the modem's configurations. If you are unsure of[...]

  • Página 22

    18 Sportster Winmodem 33600 & x2/56K - User's manual R e ma r k s on Us i ng t he M ode m Remember the Following Points When Using the Modem: • The modem might not work with all modular telephone sets. Specifically, you must not use the modem with multi-line telephone sets, sets with indicator lights or line selection buttons. • Some v[...]

  • Página 23

    Sportster Winmodem 33600 & x2/56K - User's manual 19 U n- Inst a l l i ng t he M ode m Un-installing the Sportster Winmodem 33600 & x2/56K requires that you: • Remove the modem from the expansion slot after turning off your computer. • Remove the modem programs from the computer’s hard drive after turning your computer back on. Y[...]

  • Página 24

    20 Sportster Winmodem 33600 & x2/56K - User's manual[...]

  • Página 25

    Sportster Winmodem 33600 & x2/56K - User's manual 21 T r oubles hooting P r obl e ms a nd Sol ut i ons If you encounter problems even though you have followed the installation and use instructions of the modem, refer to the following table that lists the most common failures and their solutions. Identifying the current problem Symptom Solu[...]

  • Página 26

    22 Sportster Winmodem 33600 & x2/56K - User's manual The modem does not respond when, in terminal mode, you send AT commands. Check that the COM port to which the modem is connected is properly declared. Check the IRQ configuration in the communications software or in the Windows Control Panel. Check that the application is in terminal mod[...]

  • Página 27

    Sportster Winmodem 33600 & x2/56K - User's manual 23 There is no audible tone when you try to call. The speaker is turned off; reset the modem's settings to the factory settings. The cables are not correctly connected. Check all connections from the telephone wall jack to the modem. There is a problem with the telephone line; check it[...]

  • Página 28

    24 Sportster Winmodem 33600 & x2/56K - User's manual The modem connects itself correctly to the remote modem, but th e connection is interrupted during communications with the message: NO CARRIER. Someone probably hung up from another extension. The modem detected a call waiting signal on the line. Contact the local tele- communications ag[...]

  • Página 29

    Sportster Winmodem 33600 & x2/56K - User's manual 25 Intercontinental connections are sometimes interrupted. If the telephone line's quality is low, it is best to reduce the transmission speed in order to insure that the connection remains stable. During file transfer, the modem sends back many transmission errors or a very low transf[...]

  • Página 30

    26 Sportster Winmodem 33600 & x2/56K - User's manual Before the Modems Connect If your modem does not respond to AT commands. • Make sure you are in terminal mode. (Your communications software should let you switch to terminal mode.) • Check that the modem is set to display result codes and that the result codes are displayed as words[...]

  • Página 31

    Sportster Winmodem 33600 & x2/56K - User's manual 27 If your PC reacts as though you are online, but no call has been initiated or received. • Check that modem’s Carrier Detect (CD) signaling is set correctly. (See &C n in the Commands chapter.) You may need to review the manual that came with your communication software to see wha[...]

  • Página 32

    28 Sportster Winmodem 33600 & x2/56K - User's manual If both modems exchange carrier signals but fail to establish a data communications link. (cont.) When the call is finished, reset the modem by: 1. Typing ATZ 2. And then pressing the ENTER key. Make sure you’ve set your software to the same data format (word length, parity, and number[...]

  • Página 33

    Sportster Winmodem 33600 & x2/56K - User's manual 29 During Data Transfers If your screen displays random or garbage characters. • Make sure your communications port is set to connect at the maximum possible connect rate. • Set your software to the same word length, parity, and stop bits as the remote modem. • Peripherals (drivers fo[...]

  • Página 34

    30 Sportster Winmodem 33600 & x2/56K - User's manual If your communi- cations software is reporting many Cyclic Redundancy Check (CRC) errors and low Characters Per Second (CPS). • Place the call again. You may have had a bad phone line or a bad connection. The telephone company routes all calls, even local calls, differently each time y[...]

  • Página 35

    Sportster Winmodem 33600 & x2/56K - User's manual 31 I f Y o u A re S till H av in g P r o b le m s • Re-read this manual, especially the Remarks on Using the Modem section. • Contact your reseller who will be able to provide you with the necessary assistance. This is much more efficient and less costly than sending the modem back to u[...]

  • Página 36

    32 Sportster Winmodem 33600 & x2/56K - User's manual[...]

  • Página 37

    Sportster Winmodem 33600 & x2/56K - User's manual 33 V oic e Func tions Ov e r vi e w of V oi c e F unc t i ons A voice modem has the capability of being able to transform analog sound data — such as voices — into digital data that are compatible with computers. This digitization operation is called sampling. Once the data is in digiti[...]

  • Página 38

    34 Sportster Winmodem 33600 & x2/56K - User's manual S p eaker phone The full duplex SpeakerPhone feature of the modem is accessible by connecting an external speaker to the jack on modem backpanel and a microphone. NOTE: Make sure that the microphone and speaker are at least 30 centimeters apart and not directly facing each other, so as t[...]

  • Página 39

    Sportster Winmodem 33600 & x2/56K - User's manual 35 In the following paragraphs, you will find some indications pertaining to the settings of voice applications in order to use the modem. Input/Output Source Selection Set the recording or playback sources as the devices from which you are going to record the local message and listen to th[...]

  • Página 40

    36 Sportster Winmodem 33600 & x2/56K - User's manual[...]

  • Página 41

    Sportster Winmodem 33600 & x2/56K - User's manual 37 A ppendix A – T e chnic a l Referen ce M a i n A T c omma nds 1. Type the commands entirely in upper case or lower case but do not type commands using a combination of the two cases. 2. All commands, with the exception of A/ and +++, are preceeded by the AT prefix and are executed afte[...]

  • Página 42

    38 Sportster Winmodem 33600 & x2/56K - User's manual Basic Command Set AT R equ i red c o m m an d p refi x , ex ce pt wi th A/ a n d +++. U se alon e to t est f or OK res u lt code. $ Disp la y s a ba s ic c o mman d lis t ; o nlin e help. A/ Re -ex ecu tes t h e last issu ed com m an d. U sed m ain ly to r edial. Th is does n ot r equi r[...]

  • Página 43

    Sportster Winmodem 33600 & x2/56K - User's manual 39 E0 Ec h o O F F. E1 Modem di splays keyboar d comm an ds.[...]

  • Página 44

    40 Sportster Winmodem 33600 & x2/56K - User's manual F n Sets online l ocal echo of t r ansm itt ed dat a O N/ O FF. F0 Local ech o O N . M odem sen ds a copy of dat a it sen ds to t h e r em ote syst em t o you r scr een . F1 Local ech o O FF. Re ceiv in g system m ay sen d a rem ote ech o of dat a it receiv es. H n Contr ols O N/ O FF ho[...]

  • Página 45

    Sportster Winmodem 33600 & x2/56K - User's manual 41 S r = n Sets r egister r to n . (See list of S- r egist er set t in gs on t h e n ex t sect ion ) . S r ? Di splays content s of S- r egister r . S$ Di splays a li st of t he S-Register s. (See list of S- r egist er set t in gs on t h e n ex t sect ion ). T S ets ton e d ia l . V n Di sp[...]

  • Página 46

    42 Sportster Winmodem 33600 & x2/56K - User's manual Xn Setting Result Codes X0 X1 X2 X3 X4 X5 0/OK •• •••• 1/CONNECT •• •••• 2/RING •• •••• 3/NO CARRIER •• •••• 4/ERROR •• •••• 5/CONNECT 1200 • •••• 6/NO DIAL TONE •• 7/BUSY ••• 8/NO ANSWER* ••• 10/CONNEC[...]

  • Página 47

    Sportster Winmodem 33600 & x2/56K - User's manual 43 Y n Selects power- on/ r eset def a ult conf igurat ion. Y0 D efa u l t i s p ro fi le 0 s etti n g i n N V R AM. Y1 D efa u l t i s p ro fi le 1 s etti n g i n N V R AM. Z Resets modem based on f act or y set t ings. Z0 Resets modem t o N VRA M pr of ile sel ect ed by Y c omma nd. Z1 Re[...]

  • Página 48

    44 Sportster Winmodem 33600 & x2/56K - User's manual &G n Sets G uar d T one. &G0 N o gu ar d t on e, U . S. an d Can ada. &G1 550 H z gu ar d t on e, s ome E u r opean cou n t r ies, r equ ires B0 set t in g. &G2 1800 H z gu ar d t on e, U . K., r equ ires B0 se tti n g. &H n S ets T ra n sm i t D ata (TD) fl o w c on [...]

  • Página 49

    Sportster Winmodem 33600 & x2/56K - User's manual 45 &N 9 16. 800 bps. &N 10 19. 200 bps. &N 11 21. 600 bps. &N 12 24. 000 bps. &N 13 26. 400 bps. &N 14 28. 800 bps. &N 15 31. 200 bps. &N 16 33. 600 bps. &P n Sets pulse (r ot ary) dial m ake/ br eak rat io. &P0 U .S. / Can ada r at io, 39% / 61% . &a[...]

  • Página 50

    46 Sportster Winmodem 33600 & x2/56K - User's manual &Z n = s Wr ites phone number st r ing s t o NVRA M at po sit io n n ( n = 03). &Z n =L W r ites last execut ed dial str ing t o NVR A M at po sit io n n ( n = 03) . &Z n ? Di splays the phone num ber st or ed at position n (n = 03) . &Z L? Di splays the last execut ed di[...]

  • Página 51

    Sportster Winmodem 33600 & x2/56K - User's manual 47 S6 ! Sets t h e n u mber of sec on ds t h e modem w aits bef or e diali n g. I f X n i s s et to X 2 or X 4 , t h e modem ign or es t h is r egist er an d dials as soon as it det ec t s a dial ton e ( f ast dials). Th e ran ge of accept able v alu es is cou n t r y- depen den t . S7 60 S[...]

  • Página 52

    48 Sportster Winmodem 33600 & x2/56K - User's manual S 12 50 S ets th e d u rati on , in fifti e th s o f a s ec o n d, o f t h e gu ard t im e f or t h e escape code se qu en ce (+++).[...]

  • Página 53

    Sportster Winmodem 33600 & x2/56K - User's manual 49 Reg Default Funct i on S13 0 Bi t - mapped regist er . Select t h e bit( s) you wan t on an d s et S 1 3 to th e to ta l of th e v a l - u es in t h e Val u e colu mn . For ex ample, ATS 13 = 17 en ables bit 0 ( v alu e is 1) an d bit 4 (val u e is 16). Bi t Value Resul t 0 1 Reset w h e[...]

  • Página 54

    50 Sportster Winmodem 33600 & x2/56K - User's manual Reg Default Funct i on S15 0 Bi t - mapped regist er . To set t h e r egist er see th e i n stru cti on s fo r S 13 . Bi t Value Resul t 0 (zero) 1 Di sable AR Q / M N P f or V.22. 1 2 Di sable AR Q / M N P f or . 22bis. 2 4 D i sa bl e A R Q/MN P fo r V.32/ V.32bis/ V.32t erbo. 3 8 Di s[...]

  • Página 55

    Sportster Winmodem 33600 & x2/56K - User's manual 51 S23 19 St or es t h e ASC I I decimal code f or t h e XOFF ch ar act er . Vali d r an ge is 0–127. S24 0 R eser v ed. Reg Default Funct i on S 2 5 5 S e t s t he d ur a t i o n, i n hund r e d t hs o f a s e c o nd , t h at DTR m u st be dr opped so t h at t h e m odem doesn ’t in t [...]

  • Página 56

    52 Sportster Winmodem 33600 & x2/56K - User's manual so f t w ar e incomp at ib ilit ie s . Som e sof t w ar e may n ot accept 7200, 12000 an d 14400 bps r esu lt codes.[...]

  • Página 57

    Sportster Winmodem 33600 & x2/56K - User's manual 53 Bit 4 B it 5 Re s ult 0 0 Comple t e han d s haking sequ en ce: V. 42 Detect ion , LA P M erro r co n t rol , MN P . 16 0 Disabl e MN P. 0 32 Disabl e V.42 Det ect ion an d LAPM . 16 32 Com bin ed v alu e of 48 n ego- ti ate s L A P M with ou t D ete c- t ion ph ase. Ch oose t h is v alu[...]

  • Página 58

    54 Sportster Winmodem 33600 & x2/56K - User's manual 7 128 Reserv ed Reg Default Funct i on S33 0 Bi t mapped register set u p f or t h e 28. 8 speed m odems on ly. To set t h e r egist er , s ee t h e in st r u ct ion s for S13 . Bi t Value Resul t 0 (zero) 1 Di sable 2400 sym bol rat e. 1 2 Di sable 2743 sym bol rat e. 2 4 Di sable 2800 [...]

  • Página 59

    Sportster Winmodem 33600 & x2/56K - User's manual 55 This op t io n only ap p lie s t o c o nn ec t io ns t er mi n at ed by dr oppin g DTR. I f t h e modem receiv es th e ATH com man d, it ign ores S38 an d im m ediately h an gs u p.[...]

  • Página 60

    56 Sportster Winmodem 33600 & x2/56K - User's manual[...]

  • Página 61

    Sportster Winmodem 33600 & x2/56K - User's manual 57 A ppendix B – T e chnic a l Spe c ific a tions S p o r tster W i n mo d em 33600 & x2/56K S p eci fi cati on s Compatibility Data : ITU-T V.34, V.FC, ITU-T V.32 bis , V.23, V.22 bis , V.22, V.21 and Bell 212A, 103. Fax : Send and receive Group III Fax, Class 1, Class 2.0; ITU-T V.1[...]

  • Página 62

    58 Sportster Winmodem 33600 & x2/56K - User's manual Silence detect Adjustable level and duration Dialing Pulse (pulses 0-9), tone (DTMF 0-9, #, *) Call status Dial tone, busy tone, voice detect Configuration storage Two modem configurations and four telephone numbers Transmission level Country specific Reception sensitivity Country specif[...]

  • Página 63

    Sportster Winmodem 33600 & x2/56K - User's manual 59 CE Mar k Electromagnetic Compatibility This device complies with the following standards in accordance with the European Directives 91/263/CEE. • Immunity EN 50082-1 06/92 • Emission EN 55022 class B 08/87 Safety This device complies with the following standard in accordance with the[...]

  • Página 64

    60 Sportster Winmodem 33600 & x2/56K - User's manual[...]

  • Página 65

    Sportster Winmodem 33600 & x2/56K - User's manual 61 G l o ssary Analog signals Variable and continuous waves, such as voice tones carried by telephone lines. Compare with digital signals. ARQ General term qualifying error correction protocols that detect errors and automatically re-transmit the incorrect data blocks. See MNP and V.42. ASC[...]

  • Página 66

    62 Sportster Winmodem 33600 & x2/56K - User's manual Bit A 0 or a 1 reflecting the use of a binary numbering system (a system that consists of 2 values). This system is used because the computer only recognizes two states, off or on. (Start/Stop bits) Signaling bits attached to a character before it is transmitted; used for asynchronous tr[...]

  • Página 67

    Sportster Winmodem 33600 & x2/56K - User's manual 63 Data mode Mode in which the fax/modem can send and receive data files. A standard modem without facsimile capabilities is always in data mode. DCE (Data Carrier Equipment) Termination equipment of the data circuit. In this manual, this term applies to modems that establish and control th[...]

  • Página 68

    64 Sportster Winmodem 33600 & x2/56K - User's manual Fallback (Rate adjustment). A function that lets rapid modems with error correction control the line quality and fall back to a lower speed if it becomes degraded. Modems go back to a higher speed if the line quality improves. Fax mode Mode in which the fax/modem can transmit and receive[...]

  • Página 69

    Sportster Winmodem 33600 & x2/56K - User's manual 65 The modem uses MNP 2-4 and MNP 5 error correction and data compression techniques that are incorporated in recommendation ITU-T V.42. NVRAM Non Volatile Random Access Memory which can be programmed by the user with data that are stored when the modem is powered down. The modem includes t[...]

  • Página 70

    66 Sportster Winmodem 33600 & x2/56K - User's manual Serial transmission Sequential data transfer, one bit at a time, using only one electrical circuit. Synchronous transmission Data transmission during which both communicating devices are synchronized by a common clock. Using this mode eliminates the need to systematically add a stop bit [...]

  • Página 71

    Sportster Winmodem 33600 & x2/56K - User's manual 67 XON/XOFF Standard ASCII control characters used to tell an intelligent device to stop or resume data transmission. In most systems, typing <Ctrl>-S sends the XOFF character (which tells the remote device to stop transmitting). Some equipment, including your modem, interpret <Ctr[...]

  • Página 72

    68 Sportster Winmodem 33600 & x2/56K - User's manual[...]

  • Página 73

    Sportster Winmodem 33600 & x2/56K - User's manual 69 Lim ite d W a r r ant y U .S. Robotics w arr an t s t o th e origin al en d-u ser pu rch aser th at t h is p r oduct w ill b e f r ee f r om de f ect s in m at e r ials an d w orkman sh ip f or a per iod of f i v e y ears f rom t h e dat e of pu r ch ase. Du r in g t h e li m ited w arr [...]

  • Página 74

    70 Sportster Winmodem 33600 & x2/56K - User's manual ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Th is lim it ed w arr an t y giv es you specific legal righ t s. Y ou m ay h av e o th ers , wh i ch v ary fro m n a ti on to n ati o n . So m e n ati o n s d o n ot all ow lim it ation s on du r ation of an im pli ed w arr an t y, or t h e ex [...]

  • Página 75

    jj[...]

  • Página 76

    1.024.1388-00[...]