Horner APG XLt OCS HE-GSM04 - Manual (Page 21)

MAN4005-04-EN GPRS / GSM MODEM Configuration PAGE 21
4.2 Modem Control Block
Note: To use modem control block, the com port is to be opened first.
• Auto Dial modem Option
•
GSM data call
o Modem Control block with ‘Auto Dial’ option is used for calling remote device (server)
o Remote device data number must be entered in ‘Number’ text box.
o Select type of dialing i.e. Pulse or Tone
o Configure the status register to show the status of the connection. The status values are detailed in section 4.3 .
•
GPRS connectivity
o Modem Control block with ‘Auto Dial’ option is used to connect to remote server/client using the GPRS service.
o Remote server IP and Port address must be entered in ‘Number’ text box in the format IP Address/Port.
o In case of device acting as client, the IP address of the server needs to be mentioned here.
o In case of device acting as server, the IP address can be given as 0.0.0.0. to accept connection from any client
or IP address of the client can also be mentioned to accept connection only from that specific IP address for
added security.
o Select type of protocol UDP or TCP over IP.
o Configure the status register to show the status of the connection. The status values are detailed in section 4.3 .
o If the modem ladder block input is enabled then the modem tries establishing connection with a remote server in
client mode or waits for a connection request from the client in server mode.
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