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M2M Cellular Gateway
Configuration Path
ID
Host
Definition
Scenario Operation Procedure
In above diagram, the "IOG Gateway" is the gateway that attaches a serial device and
the gateway has a 3G/LTE WAN interface to connect to the Internet. A remote Internet
host computer whose IP address is 140.116.82.98 has a management system in it to
collect and process the serial data via the gateway. Please be noted that the operation
mode of the virtual COM function in the gateway is "TCP Server".
When the Internet Host Computer wants to collect data from the serial device via the
gateway, it will establish a TCP connection to the "IOG Gateway" if the connection is off.
After the data has been transferred, the gateway automatically disconnects from the
host computer upon alive check timeout or connection idle timeout.
Finally, the host computer can process the collected serial data and make further
decisions.
UDP Mode
Scenario Application Timing
When the administrator wants the serial device to communicate data with the Internet Host
Computer via the "IOG Gateway", the operation mode for the "Virtual COM" function in the
gateway is required to be "UDP". In this mode, the UDP data can be transferred between the IOG
gateway and multiple host computers from either peer, making this mode ideal for message
display applications. It supports up to 4 legal host computers to connect to the serial device via
the gateway.
Scenario Description
Index skipping is used to reserve slots for new function insertion, when required.
[Virtual COM]‐[Trusted IP Definition]
1
140.116.82.98
■ Enable
303
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