Table of Contents
Advertisement
M2M Cellular Gateway
Scenario Application Timing
When the administrator wants the gateway to waits passively to be contacted by the
host computer, allowing the host computer to establish a connection with and get data
from the serial device, the operation mode for the "Virtual COM" function is required to
be "TCP Server". In this mode, IOG gateway provides a unique "IP: Port" address on a
TCP/IP network. It supports up to 4 simultaneous connections, so that multiple hosts
can collect data from the same serial device at the same time.
Scenario Description
When the Internet Host Computer wants to get the serial data via the IOG Gateway, it
will try to establish a TCP connection to the gateway if the connection is off.
After the data has been transferred, the gateway automatically disconnects from the
host computer by using the TCP alive check timeout or idle timeout settings.
Parameter Setup Example
Following tables list the parameter configuration as an example for the "TCP Server"
mode in "Virtual COM" function, as shown in above diagram.
Use default value for those parameters that are not mentioned in the tables.
Configuration Path
Operation Mode
Listen Port
WAN Interface
Trust Type
Max Connection
Connection Idle Timeout
Alive Check Timeout
Index skipping is used to reserve slots for new function insertion, when required.
[Virtual COM]‐[Configuration]
TCP Server
4001
All WANs
Specific IP
4
1 (0‐60) min
1 (0‐60) min
302
Advertisement
Table of Contents
