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原因及排除:先别急着送去维修,通过下面的步骤彻底检查一下: ·只连接电源,加电,检查Modem的LED指示灯。如果所有灯不亮,则是Modem的供电部分损坏;如果只有RD或者TD灯亮,则是Modem的串口部分损坏;如果指示灯正常,继续下面的检查。·运行通讯软件(如Windows 98下的超级终端),检查Modem是否有拨号音。如果有拨号音,说明电话线连接没问题。通过以上几步,基本可以找到故障所在。故障现象二:
Reasons and precautions: Do not rush to the maintenance, through the following steps to thoroughly check: Only connect the power, power, check Modem LED indicator. If all the lights are not on, the power supply part of the Modem is damaged. If only the RD or TD light is on, the serial port of the modem is partially damaged. If the indicator is normal, continue with the following check. · Run the communication software (such as HyperTerminal on Windows 98) and check if the modem has a dial tone. If you have a dial tone, there is no problem connecting the phone line. Through the above steps, the basic can find the fault. Symptom two: