V1.1 2018-10-9
www.risinghf.com
RHF2S208 User Manual
RisingHF
39
6.5 RTC
The system time would be synchronized to UTC time with inside RTC. You can use command below to
check the synchronized time.
sudo hwclock -r
2018-08-04 08:18:33.0000 // synchronized time
6.6 Noise floor scanning
RHF2S208 integrate a noise analysis engine which could help noise pre-scan when operator want to
do network optimization. Please access into the gateway on web-based utility when you want to do
noise scanning. Please refer to 4.2.2.
Noise floor is a very important parameters you should know when you install your gateway in the field.
To get a best coverage we want to have as low as possible noise. But actually there are lots of
inteference or noise signal in the environment. Target average noise floor is about -110dBm
±
5dB, but
less than -100dB is also acceptable.When the average noise floor is higher than -95dBm or more,
changing operation band is suggested.
6.7 Remote Support with rssh service
RHF2S208 integrates a rssh service, which could enable RisingHF to access your RHF2S208 device
remotely. It is closed by default. (Note: this function can be only used by RisingHF to support customer
when necessary)
One time start rssh service (Invalid after restarting)
sudo systemctl restart rssh
Check log to get port number, execute below command and wait after a while:
sudo journalctl -f -n 50 -u rssh
Then it shows log like below, include "Allocated port …" message
When asking remote support, please send your screenshot to [email protected], and explain your
trouble, RisingHF technical support will help you diagnose.
Figure 6-9 To get allocated port with rssh service
