Dialing Up - Neoway N720 User Manual

N720 User Manual (Linux)
3. Click Save and Exit.
4. Compile kernel again and burn the compiled kernel files to the host.

3.4 Dialing up

1. Repeat the processes of USB loading and AT interaction.
Ensure that the module registers a network and the returned RSSI value is greater than 13.
2. Check whether the Linux OS embeds the pppd and chat tools.
If the system does not contain pppd, install kppp, which contains pppd program.
pppd 2.4.5 and pppd 2.4.7 are recommended.
3. Check if the following scripts are installed.
/etc/ppp/:
chap-secrets ioptions
pap-secrets ip-up
/etc/ppp/peers:
gprs-dial gprs-chat
ip-up: a script that configures settings after a connection is set up.
ip-down: a script that is used after the connection is disconnected.
pppd call gpra-dial: executed to dial up to set up a connection.
gprs-chat: contains the AT commands and response to them between chat and the GPRS module.
4. Check the carrier information and network mode, and the set APN.
AT+CGDCONT=1,"IP","APN_XXX"
OK
XXX indicates the carrier APN. For example,
2G, 3G, and 4G of China Mobile: CMNET
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options resolv.conf
peers
connect-errors ip-down
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