User manual

H7921-RHZ-i 3G Router User Manual
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【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:
Fig. 3.3.4.5: Interface Check
【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.
Caution:
This 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
Inspect Interval Time. So if your application do not have data flow frequently, do not
enable this function. (ICMP send by router will not be checked, but received data
could be checked.)
3.3.5 Security
When you click the “Security” tab, the following sub-tabs appear on the page: