MaxTech xpvs336i user manual Modem does not dial, Modem dials but does not connect

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Modem does not dial.

data to it. Similarly, IRQ settings must be set correctly to receive data from the modem.

2.Make sure that your modem is initialized correctly. Your modem may have been initialized to not display re- sponses. You may factory-reset the modem by issuing AT&F and press ENTER. The factory default allows the modem to display responses after a command has been executed.

Modem does not dial.

1.Make sure the modem is connected to a working phone line. Replace the modem with a working phone to ensure that the phone line is working.

2.Make sure the phone line is connected to the jack marked “LINE.” Incorrect connection prevents the mo- dem from operating properly. Refer to Section 2.3 for modem connection instructions.

Modem dials but does not connect.

1.Make sure the IRQ setting is identical on both the modem and the software. Modem and software must be configured identically.

2.Make sure the phone line is working properly. Replace the modem with a regular phone and dial the number. If the line sounds noisy, you may have difficulty connecting to the remote device.

Modem makes a connection but no data appears on your screen.

1.Make sure the correct data format (data bits, stop bits, and parity bits) and flow control (RTS/CTS) are being used.

2.Make sure the correct terminal emulation mode is being used (see communication software manual).

High pitch tone is heard whenever you answer the phone.

1.Make sure Auto-Answer is turned off. Your modem is factory configured to NOT auto-answer. Issue AT&F to factory reset your modem.

Modem experiences errors while communicating with a remote modem.

1.Make sure the remote system and your modem use the same communication parameters (speed, parity, etc.).

2.Make sure RTS/CTS hardware flow control is enabled

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Contents Featuring Advanced Full Duplex Speakerphone Functions High Performance V.34+/V.42bis 33,600 BPS Internal Plug and PlayFAX/Voice/Data Modem MAN081 RevContents 2.1 Unpacking Your Modem Section Two - InstallationSection One - Introduction 2.2 What You Need You will need2.3 Hardware Installation Expansion SlotsBack Plate Section 2.4.3 if you are running Windows 3.1x on a non-PnP PC 2.4.2 Configuring in a Plug and Play System without Windows 2.4.3 Configuring in a Non-Plug and Play System2.5 Software Installation and Configuration 2.7 Testing Your Modem After Installation 2.8 Using Your Modem2.9 Where To Go From Here Section Three - AT Command Set @ wait for five seconds of silence flash Force Carrier Detect Signal High ON Reportlinespeed,errorcorrectionprotocolModemsendsbreaksignalforfourseconds Modem returns to Command Mode afterConfiguration Profile 0 active upon Grant Remote Digital Loopback Test300, 33600. Parameter “a” specifies the enabledwithV.8/V.32AnnexA.ParameterEnable MNP Class 5 and V.42bis data Returns Caller ID capabilities of modemV.42 data link only MNP data link onlyV.42/MNP/Normal data link Enable Caller ID detection and reporting Section Four - S RegistersRegister Range/units DefaultTable 4-1 S - Registers FunctionSection Six - Troubleshooting Modem does not respond to commandsSection Five - Result Codes Modem dials but does not connect Modem experiences errors while communicating with a remote modemModem does not dial Modem makes a connection but no data appears on your screenSection Seven - Support and Service Appendix A - SpecificationsModem exhibits poor voice record or playback Appendix B - FCC , DOC & Other Notices FCC ComplianceFCC Class B Statement DOC Compliance Information UL Notice