SIM7600CE TCP success AT_sim7600ce cipopen

Start to set Sim7600, set WIFI_SET_AT_TIME_OUT_RST_EVENT.
+++
Start to set Sim7600, set WIFI_SET_AT_TIME_OUT_RST_EVENT.
AT
OK
ATE0
OK
AT+CPIN?
+CPIN: READY
OK
AT+CIPCLOSE=0
OK
WIFI SET AT TIME OUT
AT+CIPCLOSE=0
+CIPCLOSE: 0,4
ERROR
AT+NETCLOSE
OK
WIFI SET AT TIME OUT
AT+NETCLOSE
OK
WIFI SET AT TIME OUT
AT+NETCLOSE
OK
WIFI SET AT TIME OUT
AT+NETCLOSE
OK
CLOSED
+CIPCLOSE: 0,0
+NETCLOSE: 0
AT+CSQ
+CSQ: 29,99
OK
AT+CREG?
+CREG: 0,1
OK
AT+CNSMOD=1
OK
AT+CNSMOD?
+CNSMOD: 1,8
OK
AT+CEREG?
+CEREG: 0,1
OK
AT+CGSOCKCONT=1,"IP","CMNET"
OK
AT+CSOCKSETPN=1
OK
AT+CIPMODE=1
OK
AT+NETOPEN
OK
+NETOPEN: 0
AT+IPADDR
+IPADDR: 10.254.68.82
OK
AT+CGPSURL="supl.nokia.com:7275"
OK
AT+CGPSSSL=0
OK
AT+CGPS=1,2
ERROR
AT+CDNSGIP="mqtt.xlink.cn"
+CDNSGIP: 1,"mqtt.xlink.cn","121.40.188.18"
OK
AT+CIPOPEN=0,"TCP","121.40.188.18",1883
CONNECT 115200

tcp connect server successful.

start to query gps info.
+++
OK
ATE0
OK
AT+CGPSINFO
+CGPSINFO: ,,,,,,,,
OK
ATO
CONNECT 115200