自己做的SIM7100C模块，检测信号的时候有信号但是误码率返回99

Booting...





SMS DONE





PB DONE



AT



OK



AT+CSQ



+CSQ: 21,99



OK



AT+CSQ



+CSQ: 21,99



OK



AT+CREG?



+CREG: 0,1



OK



AT+CREG=2



OK



AT+CREG?



+CREG: 2,1,FFFE,78D4601



OK



AT+COPS?



+COPS: 0,0,"CHINA MOBILE CMCC",7



OK



AT+CGREG?



+CGREG: 0,1



OK



AT+CGREG=2



OK



AT+CGREG?



+CGREG: 2,1,FFFE,78D4601



OK



AT+CGATT?



+CGATT: 1



OK





+CREG: 1,FFFE,789300B



+CGREG: 1,FFFE,789300B



AT+CGACT?



+CGACT: 1,1



OK





+CREG: 1,FFFE,7892F19



+CGREG: 1,FFFE,7892F19



AT+CSQ



+CSQ: 24,99



OK

//这里开始打开网络开关

AT+NETOPEN



OK



+NETOPEN: 0





+CREG: 1,FFFE,78D4601



+CGREG: 1,FFFE,78D4601

//再次查询信号质量

AT+CSQ



+CSQ: 21,99



OK



AT+NETOPEN?



ERROR

//打开网络是否成功查询  1 网路已打开

AT+NETOPEN?



+NETOPEN: 1



OK

//查询信号质量

AT+CSQ



+CSQ: 22,99



OK

//获取本机ID

AT+IPADDR



+IPADDR: 10.95.173.207



OK

//建立TCP服务器，端口号8000

AT+SERVERSTART=8000,1



OK



//下行显示有来着XXXIP连接入服务器

+CLIENT: 0,1,10.76.225.221:35644



//接收到数据“abcd”

RECV FROM:10.76.225.221:35644

+IPD4

abcd

//查询是否有建立TCP连接，返回已建立

AT+CIPOPEN?



+CIPOPEN: 0,"TCP","10.76.225.221",35644,1



+CIPOPEN: 1



+CIPOPEN: 2



+CIPOPEN: 3



+CIPOPEN: 4



+CIPOPEN: 5



+CIPOPEN: 6



+CIPOPEN: 7



+CIPOPEN: 8



+CIPOPEN: 9



OK

//尝试向客户端发送数据，连接号0，数据大小1个字节

AT+CIPSEND=0,1



>

A

OK   //发送成功





+CIPSEND: 0,1,1

//关闭连接

AT+CIPCLOSE=0



OK



+CIPCLOSE: 0,0





+CREG: 1,FFFE,789300B



+CGREG: 1,FFFE,789300B

//这里通过主机向外部连接服务器

AT+CIPOPEN=0,"TCP","10.76.225.221",8080

//返回成功

OK



+CIPOPEN: 0,1



+CREG: 1,FFFE,78D4601



+CGREG: 1,FFFE,78D4601



AT+CIPOPEN?



+CIPOPEN: 0



+CIPOPEN: 1



+CIPOPEN: 2



+CIPOPEN: 3



+CIPOPEN: 4



+CIPOPEN: 5



+CIPOPEN: 6



+CIPOPEN: 7



+CIPOPEN: 8



+CIPOPEN: 9



OK



AT+CIPOPEN=0,"TCP","10.76.225.221",8080



OK





+CIPOPEN: 0,0





RECV FROM:10.76.225.221:8080

+IPD2

sD

AT+CIPOPEN?



+CIPOPEN: 0,"TCP","10.76.225.221",8080,-1



+CIPOPEN: 1



+CIPOPEN: 2



+CIPOPEN: 3



+CIPOPEN: 4



+CIPOPEN: 5



+CIPOPEN: 6



+CIPOPEN: 7



+CIPOPEN: 8



+CIPOPEN: 9



OK



AT+CIPOPEN?



+CIPOPEN: 0,"TCP","10.76.225.221",8080,-1



+CIPOPEN: 1



+CIPOPEN: 2



+CIPOPEN: 3



+CIPOPEN: 4



+CIPOPEN: 5



+CIPOPEN: 6



+CIPOPEN: 7



+CIPOPEN: 8



+CIPOPEN: 9



OK



AT+CIPCLOSE=0



OK



+CIPCLOSE: 0,0



AT+SERVERSTOP=0



+SERVERSTOP: 0,4



ERROR



AT+SERVERSTART?



+SERVERSTART: 1,8000



OK



AT+SERVERSTOP=1



+SERVERSTOP: 1,0



OK



AT+NETCLOSE



OK



+NETCLOSE: 0