ABOUT THE MODULATOR
home:TELECAST TECHNOLOGY >> NEWS >> Post >>1.Alarm Information Reveals ASI Input has no Data
A:Connect the input cable properly;Check whether the TS stream input cable is connected to valid ASI signals;Check whether the input interface of QAM modulator is set as ASI input.
2.Q:Alarm Information Reveals SDH Input has no Data
A:Connect the input cable properly;Check whether the TS stream input cable is connected to valid SDH signals;Check whether the input interface of QAM modulator is set as SDH input.
3.Q:Alarm Information Reveals Input Bit Rate is Too High
A:Recalculate the maximum allowable bit rate according to different QAM modes and symbol rates;Check whether the selection of QAM mode and symbol rate setting of QAM modulator are reasonable;Modify the front-end equipments and set reasonable input TS stream rate.