E-Lins H900 Series User Manual page 37

DTU parameters include:
【DTU Service】: Set whether enable the DTU Service.
【Work Mode】: Work as a Server or a Client. Client will register to server automatically.
【Transmit Protocol:】: Select the protocol used to transmit.
【Port】: Set the receive port if work mode is server.
【Received Packet Max Length】 : Set the max length of received packet, this value must
smaller than 1024.
【Data Center Configure】: If work mode is client, then set parameters of data center
here.
【Heartbeat Settings】: Enable Heartbeat will make the router send certain data every
certain interval, this function is used to keep the link active, also avoid fake link or
offline. This function may cause extra traffic fees.
【Rs232 Setting】: Set parameters of Rs232 port, please set these according to your
device's Rs232 port parameters.
3.3.4.6 Interface Check
In the "Applications" main tab, click the "Interface Check" sub-tab to set the interface
parameters and go to the following configuration interface:
【Interface Inspecting】: Set whether enable the Interface Inspecting.
【Interface Name】: Set which interface will be check.
【Flow Direction】: the way to check data flow.
【Inspect Interval Time】: Set the interval of check.
Cau tion:
Thi s function is used for avoid false connection. If enable it, when there is no data
flow after a certain time, router will reboot itself. This certain time is 5 times of
Ins pect Interval Time. So if your application does not have data flow frequently, do
not enable this function. (ICMP send by router will not be checked, but received data
cou ld
Fig. 3.3.4.6: Interface Check
be
H900 Series Cellular Router User Manual
checked.)