USRobotics x2/56K, 33600 user manual During Fax Transmissions

Page 34

If your communi-

Place the call again. You may have had

cations software is

a bad phone line or a bad connection.

reporting many

The telephone company routes all

Cyclic Redundancy

calls, even local calls, differently each

Check (CRC) errors

time you call.

and low Characters

Load the template that enables

Per Second (CPS).

hardware flow control as well as other

 

optimal settings. Go into terminal mode

 

(your communications software should

 

let you switch to terminal mode) and:

 

1. Type AT&F1

 

2. And then press the ENTER key.

 

Try the Zmodem file transfer protocol. If

 

that does not work, try Ymodem. (Only

 

use Xmodem as a last resort.)

 

 

During Fax Transmissions

 

 

If errors are

Type this initialization string in your

occurring in your

software initialization string screen:

V.17 (14.4) fax

$7￿+￿￿,￿￿5￿6￿ ￿￿

transmissions

 

 

(last character is zero)

 

 

30 Sportster Winmodem 33600 & x2/56K - User's manual

Image 34
Contents User’s Manual 1997 Table of Contents Voice Functions Appendix B Technical SpecificationsGlossary Limited Warranty Appendix a Technical ReferenceIntroduction How a Modem WorksHow Does Your Sportster Winmodem 33600 & x2/56K∗ Work ? QuicklyEfficiently Other FeaturesAccurately With WindowsPackage Contents Sportster Winmodem 33600 & x2/56K Installation InstallationPlug and Play Installation Procedure Insert the Modem Into the ComputerPlug in the power plug and turn the computer on Run the Modem’s Installation Program If you choose Then try This COM port This IRQ Running the Installation Program on a Windows 95 System Installing the Communications Software Page Changing Country Setup under Windows Page Using the Modem Installation TestFactory Settings Resetting the Modem to Factory Settings Remarks on Using the Modem Remember the Following Points When Using the ModemUn-Installing the Modem Page Problems and Solutions TroubleshootingSymptom Solution Respond when, Send AT commandsModem does not Terminal mode, youErrors Tone when you try toUsing a certain There is no audibleConnects itself Connection problemModem Correctly toIntercontinental Transmission errorsA fax, errors alter Connections areBefore the Modems Connect Though you are Signals but fail toIf your PC reacts as Online, but no callLink. During Data Transfers If your screen displays random or garbage charactersDuring Fax Transmissions If You Are Still Having Problems Page Voice Functions Overview of Voice FunctionsImplementing Voice Functions Application SettingsSpeakerphone Voice ApplicationsInput/Output Source Selection Page Main AT commands Appendix a Technical ReferenceBasic Command Set E0 Echo OFF E1 Modem displays keyboard commands Hn Controls ON/OFF hook Ln Controls speaker volume internals onlyFn Sets online local echo of transmitted data ON/OFF Displays the following informationXn Sets result code displayed. Default is Vn Displays verbal/numeric result codesResult Codes Xn SettingFunctions Advanced Command Set Sets Guard Tone Enables/disables data compressionSets Error Control ARQ 1200 bps and higher Sets Transmit DataTD flow controlSets Receive Data RD hardware flow control Writes current configuration to Nvram templatesSets pulse rotary dial make/break ratio Controls Data Set Ready DSR operationsReg Default Function RegistersSets the number of seconds the modem Page Bit Value Result Reg Default Function Reg Default Function Page Bit Bit 4 Bit ResultValue 128 Reserved Page Page Sportster Winmodem X2/56K Specifications Electrical power CE Mark SafetyElectromagnetic Compatibility Page Asynchronous transmission Analog signalsGlossary Baud rateBps BitBits BufferError correction Data modeDigital signals DuplexFlow control Fax modeFallback Local EchoProtocol ParityRemote Echo Synchronous transmission Terminal modeSerial transmission TerminalXON/XOFF Page Limited Warranty Advised of the Possibility of Such Damages Page 024.1388-00