Multi-Tech Systems MT5656ZDX manual Troubleshooting, None of the Indicators Light Up

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Chapter 5 - Troubleshooting

Your modem was thoroughly tested at the factory before it was shipped. If you are unable to make a successful connection, or if you experience data loss or garbled characters during your connection, check the list of troubleshooting procedures before calling Multi-Tech.

None of the LEDs light when the modem is on.

The modem does not respond to commands.

The modem dials but is unable to make a connection.

The modem disconnects while online.

The modem cannot connect when answering.

File transfer is slower than it should be.

Data is being lost.

There are garbage characters on the monitor.

The modem doesn’t work with Caller ID.

Fax and data software can’t run at the same time.

If you experience problems, please check the following possibilities before calling Technical Support.

None of the Indicators Light Up

When you turn on the modem, the PWR indicator and the terminal turn on. If the LEDs remain off, the modem is probably not receiving power.

Make sure the modem’s power switch is on, especially if you normally turn the modem on by turning on a power strip.

If the modem is plugged into a power strip, make sure the power strip is plugged in and its power switch is on.

Make sure the transformer module is firmly connected to the modem and to the wall outlet or power strip.

If the power strip is on and the modem switch is on, try moving the transformer module to another outlet on the power strip.

Test that the outlet is live by plugging another device, such as a lamp, into it.

The modem or the DC power transformer may be defective. If you have another Multi-Tech modem, try swapping modems. If the problem goes away, the first modem or the DC power transformer may be defec- tive.

Call Technical Support for assistance.

CAUTION: Do not under any circumstances replace the transformer module with one designed for another product. Doing so can damage the modem and void your warranty.

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Multi-Tech Systems, Inc. MT5656ZDX User Guide

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Contents MultiModem ZDX Contacting Multi-Tech Support Contents Introduction Product DescriptionHardware Installation Ship Kit ContentsSafety Warnings You SupplyTechnical Specifications Server-to-Client Data RatesConnectors Overview Connecting the Modem to Your System Connect the Modem to the Telephone Line Line ConnectionConnect the Power Voice Connections Voice option only Connect the MicrophoneInstalling the Modem Driver Connecting to the Internet Dial-Up NetworkingAbout the LED Indicators OperationConfiguring Your Software Configuring Your ModemAT Commands See Commands Reference GuidesTroubleshooting None of the Indicators Light UpModem Does Not Respond to Commands Modem Dials But Cannot Connect Modem Cannot Connect When Answering Modem Disconnects While OnlineThere Are Garbage Characters on the Monitor Modem Doesn’t Work with Caller IDAppendix a Regulatory Compliance CFR FCC Part 15 Class BCanadian Limitations Notice Appendix B Installing a Modem in Linux SetupUpgrade Overview Appendix C Upgrading the ModemDownload the Upgrade File Waste Electrical and Electronic Equipment Weee Directive Appendix E RoHS Restriction of the Use of Hazardous Substances RoHS依照中国标准的有毒有害物质信息 Index Dial-Up Networking
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