中兴4g模块me3620拨号
1.参考文档
2.拨号流程
3.9 AT Command
The followingAT command is mainly concerned in this section:
+CGDCONT: Setsthe related PDP parameters, including PDP type, APN and PDP address.
+ZPAS: Readwhether the CS/PS service domains available
+CREG: Verifyif the module is registered on a CS Domain
+CEREG: Returnthe EPS network registration status
+COPS: Querythe mobile for Network Operators Identifications Codes and Names
+CSQ: SignalQuality
+ZECMCALL:Make ECM data call
Refer to thedocument of AT Command reference guide for ZTEWelink LTE Module.pdf for moredetails.
3.拨号脚本打印的信息
==>s_device_path =/dev/ttyUSB0
==>s_net_device_path =eht1
==>~~~~~~~~~~~~~kill udhcpc~~~~~~~~~~~~
==>ERR:fd = open/dev/ttyUSB0
==>AT not ready err_count= 0
==>open/dev/ttyUSB1 OK
AT> ATE0
ERROR:000000000000000000000000000
AT< ATE0
AT< OK
AT> AT+CGMM //Requestmodel identification
AT< ME3620
AT< OK
ucRecbuf< ME3620ME3620
==>This is me3620
AT> AT+ZSWITCH=L //Switch the ports toLinux/Android
AT< OK
AT> AT+ZSWITCH?
AT< +ZSWITCH: L
AT< OK
AT> AT+CPIN?
AT< +CPIN: READY
AT< OK
AT> AT+CFUN=1
AT< OK
AT> AT+CSQ
AT< +CSQ: 99,99
no signal 99,99
AT< OK
AT> AT+CSQ
AT< +CSQ: 99,99
no signal 99,99
AT< OK
AT> AT+CSQ
AT< +CSQ: 99,99
no signal 99,99
AT< OK
AT> AT+CSQ
AT< +CSQ: 31,99
AT< OK
AT> AT+CSCA?//ServiceCentre Address
AT< +CSCA:"+8613800757500",145
out_putstring= +CSCA:"+8613800757500",145
ucOperatorFlag=Operator_CMCC
AT< OK
AT> AT+CREG=1
AT< OK
AT> AT+CGDCONT=1,"IP","FSTZCL.GD"
AT< OK
AT> AT+CGDCONT?
AT< +CGDCONT:1,"IP","FSTZCL.GD","0.0.0.0",0,0
AT< +CGDCONT:2,"IP","CMNET","0.0.0.0",0,0
AT< OK
AT> AT+ZPAS?
AT< +ZPAS:"LTE","CS_PS"
AT< OK
AT> AT+CREG=1
AT< OK
AT> AT+COPS?
AT< +COPS:0,0,"CMCC",7
AT< OK
AT> AT+CREG?
AT< +CREG: 1,1
AT< OK
AT> AT+CGATT?//PSattach or detach
AT< +CGATT: 1
AT< OK
AT> AT+ZECMCALL=1//Make ECMdata call CONNECT
AT< +ZECMCALL: CONNECT
AT< OK
AT> AT+ZECMCALL?
AT< +ZECMCALL: IPV4,10.11.32.194, 10.11.32.193, 0.0.0.0, 0.0.0.0
route: SIOCDELRT: No suchprocess
udhcpc (v1.16.0) started
Setting IP address0.0.0.0 on usb0
Sending discover...
Sending select for10.11.32.194...
Lease of 10.11.32.194obtained, lease time 7200
Setting IP address10.11.32.194 on usb0
Deleting routers
route: SIOCDELRT: No suchprocess
Adding router10.11.32.193
Recreating/etc/resolv.conf