网络环境：专网
设别型号：RM500Q-GL
问题描述：专网环境需要配置APN，一台机器配置了可以正常上网，但是这台无法上网，激活上下文报错了
操作步骤：
1. 设置APN：
AT+CGDCONT=1,\"IP\",\"3GNET\"
OK
3. 激活上下文：
at+cgact=1,1
+CME ERROR: 132
quectel_status命令结果：
quectel_status
####################################################################
Welcome to use quectel cellular manager tool v1.0.0 (LCFC copyright)
####################################################################
Primary port: /dev/ttyUSB2
Secondary port: /dev/ttyUSB3
NET_DEVIE=rmnet_usb0
Openning primary port for AT command ...
AT Command: ate0
return:
OK
Getting model of cellular module...
AT Command: at+cgmm
return:
RM500Q-GL
OK
Getting revision of cellular module...
AT Command: at+cgmr
return:
RM500QGLABR13A03M4G
OK
Getting serial number of cellular module...
AT Command: at+cgsn
return:
863305041794511
OK
Checking if SIM card exist...
AT Command: at+cpin?
return:
+CPIN: READY
OK
Reading SIM card info...
AT Command: at+cimi
return:
460062599301473
OK
AT Command: at+ccid
return:
+CCID: 89860624390030115184
OK
Reading RF info (1 means all enable)...
AT Command: at+cfun?
return:
+CFUN: 1
OK
Checking if register to local network...
Get +CGREG: x,1 means network register success
AT Command: at+cgreg?
return:
+CGREG: 0,0
OK
Checking signal strenth...
RSRP: signal strenth, -140(worse) to -44(better)
SINR: signal/noise ratio, 0(worse) to 25(better)
AT Command: at+qeng="servingcell"
return:
+QENG: "servingcell","NOCONN","NR5G-SA","TDD",460,01,CEB744001,55,CE6C00,633984,78,3,-96,-10,21,1,31
OK
RT_RSRP=-10
RT_SINR=31
Reading apn list...
AT Command: at+cgdcont?
return:
+CGDCONT: 1,"IP","3GNET","0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
+CGDCONT: 2,"IPV4V6","3GWAP","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
+CGDCONT: 3,"IPV4V6","WONET","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
+CGDCONT: 4,"IPV4V6","IMS","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
+CGDCONT: 5,"IPV4V6","SOS","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,1,,,,,,,,,"",,,,0
OK
Reading ISP info...
AT Command: at+cops?
return:
+COPS: 0,0,"CHN-UNICOM",11
OK
Checking if apn could setup network connection
Get +CGACT: x,1 means apn is valid
AT Command: at+cgact?
return:
+CGACT: 1,0
+CGACT: 2,0
+CGACT: 3,0
+CGACT: 4,1
+CGACT: 5,0
OK
Checking public ipaddr...
AT Command: at+cgpaddr
return:
+CGPADDR: 1,""
+CGPADDR: 2,""
+CGPADDR: 3,""
+CGPADDR: 4,"172.88.96.49"
+CGPADDR: 5,""
OK
End Status--------