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3Com U.S. Robotics 56K Winmodem, Manual

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3Com U.S. Robotics 56K Winmodem Manual Download Page 4

T

ABLE OF 

C

ONTENTS

Welcome to 56K*Information Access

1

Product Features

3

Voice Product Features

Voice Product Features

Voice Product Features

Voice Product Features

5

Installing the Winmodem with Windows 95, Windows 98, and
Windows NT 4.0

7

     Plug and Play (PNP) Installation

7

     How to Insert the Modem into the Computer

8

     Installing Winmodem Drivers with Windows 95

13

     Installing Winmodem Drivers with Windows 98

15

     Installing Winmodem Drivers with Windows NT 4.0
          without PNP Enabled

18

     Installing Winmodem Drivers with Windows NT 4.0
          with PNP Enabled

19

Summary of Contents for U.S. Robotics 56K Winmodem

Page 1: ...56K Winmodem User s Guide Reference PN 1 024 1721 00...

Page 2: ...Rolling Meadows IL 60008 All Rights Reserved IMPORTANT In accordance with the ITU standard for 56K transmissions V 90 this modem is capable of 56 Kbps downloads However due to FCC rules which restrict...

Page 3: ...ers features that may or may not be present on your modem Please consult your computer manufacturer s documentation for a list of your modem s supported features For service and repair issues contact...

Page 4: ...ing the Winmodem with Windows 95 Windows 98 and Windows NT 4 0 7 Plug and Play PNP Installation 7 How to Insert the Modem into the Computer 8 Installing Winmodem Drivers with Windows 95 13 Installing...

Page 5: ...ONTENTS ONTENTS Uninstalling the Winmodem with Windows 95 Windows 98 and Windows NT 4 0 23 Troubleshooting 25 Glossary 37 Technical Reference 51 Typing Commands 51 Basic Data Commands 52 Extended Data...

Page 6: ...ENTS ONTENTS Regulatory Information 83 Manufacturer s Declaration of Conformity 83 Caution to the User 84 IC Canada 84 UL Listing CUL Listing 84 Connecting to the Telephone Company 84 Fax Branding 85...

Page 7: ...iders everywhere to quickly upgrade their service to the ITU V 90 standard IMPORTANT In accordance with the ITU standard for 56K transmissions V 90 this modem is capable of 56 Kbps downloads However d...

Page 8: ...dards EIA 578 Class 1 FAX EIA 592 Class 2 0 FAX Front Channel Link Rates 28000 29333 30666 32000 33333 34666 36000 37333 38666 40000 41333 42666 44000 45333 46666 48000 49333 50666 52000 53333 54666 5...

Page 9: ...speakerphones your modem allows you to converse normally without annoying echoes and distortion Simply plug the speakers into the jack on the modem identified with the and the microphone into the jac...

Page 10: ...EATURES 6 With Personal Voice Mail and the appropriate software you can record custom greetings receive messages and set up multiple voice mailboxes You can even access your voice messages remotely Yo...

Page 11: ...t reporting resource usage correctly Your modem requires one COM port and one IRQ setting Verify that your system has the necessary resources before installing the modem Determining Available Resource...

Page 12: ...arn more about moving the device that is using the IRQ you want to use for your modem read the documentation for that device or contact the manufacturer of that device Windows NT 4 0 Windows NT 4 0 Wi...

Page 13: ...re you unplug anything label the cords or make a sketch of how things are connected This can be helpful when you want to plug things back in later To avoid being shocked make sure your computer and al...

Page 14: ...it from the electrical outlet 2 Unplug any peripheral devices printer monitor keyboard mouse etc from the computer 3 Remove the cover of the computer Refer to your computer manufacturer s manual if y...

Page 15: ...e gold edge of your modem ISA slots are dark plastic grooves lined with metal and PCI slots are white and usually shorter than ISA slots Unscrew and remove the expansion slot cover It is the long narr...

Page 16: ...odem is inserted fasten it firmly into place using the screw that you removed in step 4 8 Replace the cover of the computer 9 If you currently have a phone plugged into the wall jack you plan to use f...

Page 17: ...ou cannot use the modem and a phone at the same time if they share the same telephone line 12 If your modem is a voice modem it came with a microphone Plug the microphone into the jack labeled You sho...

Page 18: ...Drivers Installing Winmodem Drivers with Windows 95 with Windows 95 with Windows 95 with Windows 95 1 When you see this screen if you have a CD ROM that contains your modem s drivers insert the CD ROM...

Page 19: ...ssful Refer to If Plug and Play Does Not Detect Your Modem on page 34 7 Next click the Diagnostics tab at the top of the Modems Properties screen Write down the COM setting for your modem in the follo...

Page 20: ...NT 4 0 NT 4 0 16 Installing Winmodem Drivers with Windows 98 1 When you see this screen Windows has detected the modem Click Next If this screen does not appear go to If Plug and Play Does Not Detect...

Page 21: ...5 95 95 95 W W W WINDOWS INDOWS INDOWS INDOWS 98 98 98 98 AND AND AND AND W W W WINDOWS INDOWS INDOWS INDOWS NT 4 0 NT 4 0 NT 4 0 NT 4 0 17 if you have a disk that contains your modem s drivers check...

Page 22: ...s Click the Windows Start button and point to Settings Then click Control Panel 7 Double click the Modems icon 8 In the Modems Properties screen you should see a description of your modem This means t...

Page 23: ...are for instructions on installation After you install your communications software you are ready to use the Winmodem Installing Winmodem Drivers with Windows NT 4 0 without PNP Enabled 1 After instal...

Page 24: ...o restart the computer You are ready to install communications software Refer to the manual of the communications software for instructions on installation After you install your communications softwa...

Page 25: ...e configuration information of your Winmodem in Windows NT COM port I O address and Interrupt Request Line are the three resources that may require adjustment The Setup program should have detected av...

Page 26: ...95 95 95 95 W W W WINDOWS INDOWS INDOWS INDOWS 98 98 98 98 AND AND AND AND W W W WINDOWS INDOWS INDOWS INDOWS NT 4 0 NT 4 0 NT 4 0 NT 4 0 22 You are ready to install communications software Refer to...

Page 27: ...point to Settings and click Control Panel 2 Double click the Modems icon 3 Highlight the modem you wish to remove by clicking it 4 Click Remove 5 Shut down your system Click Start Click Shut Down Clic...

Page 28: ...to shut down the computer and uninstall the modem Reinstall your modem following the directions in the Installing the Winmodem with Windows 95 Windows 98 and Windows NT 4 0 chapter 5 Click More Info Y...

Page 29: ...Manager tab If you see a yellow exclamation point over your modem you have a resource conflict and it is probably an IRQ conflict Continue with step 4 If you did not see a yellow exclamation point you...

Page 30: ...puter on your desktop and click Properties Click the Device Manager tab Double click Computer Make sure the Interrupt request IRQ radio button is checked You can determine which IRQ settings are free...

Page 31: ...may not be using fully Windows based communications software The Winmodem requires fully Windows based software Some Windows based communications and Internet software use a DOS based dialer Check wit...

Page 32: ...phone jack The phone cord should be no longer than 12 feet in length Use the phone cord included with your modem if possible POSSIBLE SOLUTION Your phone jack may have been wired incorrectly Contact y...

Page 33: ...terminal mode type ATS0 1 and press ENTER You need to enable auto answer before every session unless you alter your software s initialization string to permanently enable auto answer PROBLEM Both mod...

Page 34: ...ith the V 90 standard or 3Com 56K technology and an Internet provider or corporate host site compatible with the V 90 standard or 3Com 56K technology are necessary for these high speed downloads Check...

Page 35: ...ard string for faxing is AT F1S36 0 POSSIBLE SOLUTION There may be a Terminate and Stay Resident TSR program such as a screen saver or virus scanner running in the background disrupting data communica...

Page 36: ...n with which it was created Select your fax software as the printer and then print the file PROBLEM Your communications software fails to initialize the modem POSSIBLE SOLUTION Your software s port se...

Page 37: ...ing 1 Click Start and click Shut Down 2 When asked if you wish to shut down your computer click Yes 3 When Windows indicates that it is safe to turn off your computer turn it off 4 Wait 15 seconds bef...

Page 38: ...r manufacturer for technical assistance If you do see one of these options double click the option and continue with step 12 12 If the description that appears matches the modem you are trying to inst...

Page 39: ...at can be transmitted over communications lines such as the sound of a voice over the phone line These signals are in contrast with digital signals answer mode The mode used by your modem when answeri...

Page 40: ...ey end The addition of start stop bits to each character serves this purpose auto answer In this setting the modem can pick up the phone line when it detects a certain number of rings See S register S...

Page 41: ...2400 4800 9600 14 400 28 800 and higher bits per second bps This is the bits binary digits per second rate Thousands of bits per second are expressed as kilobits per second or kbps buffer A memory ar...

Page 42: ...as longer transmission frames and data compression to increase cps class 1 and 2 0 International standards used between fax application programs and faxmodems for sending and receiving faxes cyclic re...

Page 43: ...bilities is always in data mode DCE Data Communications or Circuit Terminating Equipment is equipment such as dial up modems that establish and control the data link via the telephone network default...

Page 44: ...signals DTE Data Terminal or Terminating Equipment is a computer that generates or is the final destination of data duplex Duplex indicates a communications channel capable of carrying signals in bot...

Page 45: ...information usually includes a frame number block size data error check codes and Start End indicators full duplex These signals will flow in both directions at the same time over one line In microco...

Page 46: ...tocol defined in ITU T Recommendation V 42 Like the MNP protocols LAPM uses cyclic redundancy checking CRC and retransmission of corrupted data ARQ to ensure data reliability local echo A modem featur...

Page 47: ...hone numbers and the modem settings off on hook Modem operations that are the equivalent of manually lifting a phone receiver taking it off hook and replacing it going on hook online fall back fall fo...

Page 48: ...same protocol in order to exchange data The format of the data readiness to receive or send error detection and error correction are some of e operations that may be defined in protocols RAM Random A...

Page 49: ...d during asynchronous transmission terminal A device whose keyboard and display are used for sending and receiving data over a communications link This device differs from a microcomputer or a mainfra...

Page 50: ...ne networks V 22 An ITU T standard for modem communications at 1200 bps compatible with the Bell 212A standard observed in the U S and Canada V 22bis An ITU T standard for modem communications at 2400...

Page 51: ...s fall back to the next lower speed when line quality is impaired fall back further as necessary and also fall forward switch back up when line conditions improve See online fall back fall forward V 3...

Page 52: ...cters used to tell an intelligent device to stop resume transmitting data Ymodem An error checking protocol that can send several files of data at a time in 1024 byte 1K blocks This protocol can use e...

Page 53: ...d operations Part 68 This equipment complies with FCC Rules Part 68 Located on the bottom of the modem is the FCC Registration Number and Ringer Equivalence Number REN You must provide this informatio...

Page 54: ...ss B limits for radio noise emissions from digital apparatus set out in the interference causing equipment standard entitled Digital Apparatus ICES 003 of Industry Canada UL Listing CUL Listing This i...

Page 55: ...l sending the message and the telephone number of the sending machine or of such business other entity or individual The telephone number provided may not be a 900 number or any other umber for which...

Page 56: ...ct to the receiver Relocate the computer and or the receiver so that they are on separate branch circuits If necessary consult your dealer or an experienced radio television technician for additional...

Page 57: ...quipment must also be installed using an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certif...

Page 58: ...self Instead contact the electric inspection authority or electrician as appropriate NOTICE The Ringer Equivalence Number REN assigned to each terminal device provides an indication of the maximum num...

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