Troubleshooting; Faq - Advantech B+B SmartWorx LR77 v2 User Manual

9. Troubleshooting

If you can not connect to the router from your PC, your network card may be configured
the way it is not possible to connect to the router. Take one or more of the following steps
to solve the problem:
Select the communication rate 10 MB/s in the properties of your network card.
Connect the router to the PC via Switch.
Connect the router to the PC, start the router first and then start the PC after the
router's initialization.

9.1 FAQ

I have NAT enabled. My equipment is not connecting to the network.
The device's gateway has to be configured as the router.
The router resets itself and the Ethernet connection fails.
The router will not function without an antenna. Keep the antenna as far as possible
from the power supply.
I can't access the Web server over NAT.
The remote HTTP access of the router has to be disabled, the default server ad-
dress has to be your web server and the gateway of the web server has to be the
IP of the router.
Mobile WAN connection fails. (DAT LED off)
Check signal power. If the signal power is weak, you will have to use a better an-
tenna. If the neighboring cells have a similar signal strength, you will need to use a
directional antenna. For proper operation, the signal levels have to be in the range
from -50 dBm to -90 dBm.
It is necessary to set ping, which will check the connection and, in the case of failed
ping, restart connection.
Mobile WAN connection cannot be established. (DAT LED off)
Recheck GPRS settings – APN, name, password and IP address.
Try to enter PIN – verify if the SIM card has the PIN code set.
In a private APN, switch the DNS server send off.
Switch the system log on and observe where the error occurs.
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LR77 v2