BPi-D1 and Quectel-EC-25: PPP AT command time-out


(Mohammad Saeed Jahangiry) #1

We have a Banana Pi-D1, with Lamobo-D1 OS. We also use an EC25 with 4G Simcard.

When we try to connect to the EC25 on BananaPi-D1, using AT command, we get a time-out error. Actually, the PPP module does not receive any response from the EC25, thereby time-out error occurs. It is the same case if we use Quectel-CM.

We can successfully get an OK response on Windows and Linux, but not on BananaPi-D1. Please help us with resolving this issue.

Best Regards

==========================================

Connection Scripts:

`# /etc/ppp/peers/quectel-chat-connect

ABORT “BUSY”

ABORT “NO CARRIER”

ABORT “NO DIALTONE”

ABORT “ERROR”

ABORT “NO ANSWER”

TIMEOUT 30

“” AT

OK ATE0

OK ATI;+CSUB;+CSQ;+CPIN?;+COPS?;+CGREG?;&D2

'# Insert the APN provided by your network operator, default apn is 3gnet

OK AT+CGDCONT=1,“IP”,“3gnet”,0,0

OK ATD*99#

CONNECT`