linux sim7600ce ppp拨号上网失败
新建:/etc/ppp/gprs-connect-chat
TIMEOUT 15
ABORT "DELAYED"
ABORT "BUSY"
ABORT "ERROR"
ABORT "NO DIALTONE"
ABORT "NO CARRIER"
TIMEOUT 40
''\rAT
#OK ATSO=0
#OK ATEOV1
OK AT+CGDCONT=1,"IP","CNNET"
OK AT+CGEQREQ=1,2,128,384,,,0,,,,,,
OK ATDT*99#
CONNECT
新建 /etc/ppp/peers/gprsdial
/dev/ttyUSB3
115200
crtscts
modem
#noauth
debug
nodetach
#hide-password
usepeerdns
noipdefault
defaultroute
user "cnnet"
0.0.0.0:0.0.0.0
#ipcp-accept-local
#ipcp-accept-remote
#icp-echo-failure 12
#icp-echo-interval 3
#noccp
#novj
#novjccomp
#persist
connect '/usr/sbin/chat -s -v -f/etc/ppp/gprs-connect-chat'
#disconnect '/bin/chat -v -f/etc/ppp/gprs-disconnect-chat'
noauth
拨号以后:pppd call gprsdial
.....................
send(^MAT^M)
expert(#ok)
^M
alarm\
Failed
...................
困扰好久,拨号拨不上去,求大神指导(可以通过minicom找到信号强度、供应商等)