H5 Modem Dropping TCP Connection

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  • September 12, 2015 at 2:14 am #9179
    Arjun Sankaran
    Participant

    Hi,

    I am trying to connect to remote device which has an MTSMC-H5-IP modem installed. I have experiencing an hard time to maintain an solid connectivity. The connections are just being dropping out consistently and its not able to connect to device. I am trying to switch the connection from FTP to TCP simultaneously every 10minutes. Its seems that the FTP protocol works fine, but i cannot connect to my remote device using TCP.Below is my script through which i am trying to establish an TCP Connection to the remote device.

    AT#PERSISTENTSOCKET=0,1
    AT#TCPSERV=1,”255.255.255.255″
    AT#TCPPORT=1,20000
    AT#DLEMODE=1,1
    AT#TCPINACTIVITYTIMER=1,300
    AT#PERSISTENTSOCKET=2,1
    AT#FRWL=2
    AT#LTCPSTART=1

    Kindly provide some advice regarding the issue.

    September 14, 2015 at 1:51 pm #9225
    Lonny Knudson
    Blocked

    Hi Arjun,
    If you are using more than 1 application (TCP Socket and FTP Client), I recommend disabling the persistent socket feature and managing the applications with your host system. You will need to stop the TCP listener (AT#LTCPSTOP=1) before starting a FTP session. If this dosen’t help you resolve the issue, please open a support ticket ( http://support.multitech.com ), in the support ticket it would be helpful to include a log showing the command sequence and modem responses when the problem occurs.

    September 15, 2015 at 2:09 pm #9254
    Arjun Sankaran
    Participant

    Hi Lonny,

    Thank you for your reply. It was very helpful.

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