Telit UC864E 拨号上网
2011-01-26 14:05
Telit UC864-G UMTS/HSDPA Module GSM Quad-Band, UMTS Tri-Band
Technical Data UC864-G GSM/GPRS Module 下傳速度:HSDPA 7.2 Mbps 3.5G 三频:UMTS / HSDPA (WCDMA / FDD) 850 / 1900 / 2100 MHz 四频GSM:Quad-band EGSM 850 / 900 / 1800 / 1900
接口:USB 2.2, RS232, PCM interface
数据支持: HSDPA (3.5G): Downlink up to 7.2Mbps Uplink up to 384Kbps WCDMA (3G) : Downlink/Uplink up to 384Kbps EDGE (2.75G): Downlink up to 236.8Kbps Uplink up to 118Kbps GPRS (2.5G): Downlink up to 85.6Kbps Uplink up to 42.8Kbps CSD : Downlink/Uplink up to 14.4Kbps
UC864E WCDMA CGCLASS设置参数: A->WCDMA: 出厂默认设置 B->GSM/GPRS: AT命令不支持设置此模式? CG->GPRS Only: AT+CREG?返回未注册,但能pppd拨号 CC->GSM Only: AT+CREG?查看注册上,但pppd不能拨号上网
/tmp >: comport -d /dev/ttyUC864E2
AT+CPIN? +CPIN: READY OK
AT+CGCLASS=? 查看支持的模式 +CGCLASS: ("A","B","CG","CC") OK
AT+CGCLASS? +CGCLASS: "CG" OK AT+CREG? +CREG: 0,0 OK AT+CGCLASS="CC" OK
AT+CREG? +CREG: 0,1 OK AT+CGCLASS="B" ERROR
AT+CGCLASS? +CGCLASS: "CC" OK
AT+CGCLASS="A" OK AT+CREG? +CREG: 0,1
UC864E设置为A和CG模式可以使用pppd拨号上网,使用联通的3G卡上网时,无论是使用3gnet还是uninet都能上网,优先使用WCDMA。
拨号上网过程:
/tmp >: comport -d /dev/ttyUC864E0 at+cpin? +CPIN: READY OK at+csq +CSQ: 19,99 OK at+creg? +CREG: 0,1 OK at+cgclass? +CGCLASS: "A" OK
at+cgdcont=? +CGDCONT: (1-16),"IP",,,(0-2),(0-4) +CGDCONT: (1-16),"PPP",,,(0-2),(0-4) +CGDCONT: (1-16),"IPV6",,,(0-2),(0-4) OK
at+cgdcont? +CGDCONT: 1,"IP","uninet","",0,0 OK at+cgdcont=1,"IP","3gnet","",0,0 OK 设置OK后,开始使用pppd程序开始拨号 /tmp >: pppd /dev/ttyUC864E0 115200 unit 10 file /etc/ppp/gprs-pap + requesting data connection
CONNECT + connected Serial connection established. using channel 7 Using interface ppp10 Connect: ppp10 <--> /dev/ttyUC864E0 sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5d352bdc> <pcomp> <accomp>] rcvd [LCP ConfReq id=0x7 <asyncmap 0x0> <auth chap MD5> <magic 0xdba34bb3> <pcomp> <accomp>] No auth is possible sent [LCP ConfRej id=0x7 <auth chap MD5>] rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x5d352bdc> <pcomp> <accomp>] rcvd [LCP ConfReq id=0x8 <asyncmap 0x0> <magic 0xdba34bb3> <pcomp> <accomp>] sent [LCP ConfAck id=0x8 <asyncmap 0x0> <magic 0xdba34bb3> <pcomp> <accomp>] sent [LCP EchoReq id=0x0 magic=0x5d352bdc] sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>] rcvd [LCP DiscReq id=0x9 magic=0xdba34bb3] rcvd [IPCP ConfNak id=0x1 <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins 10.11.12.14>] sent [IPCP ConfReq id=0x2 <addr 0.0.0.0>] rcvd [IPCP ConfNak id=0x2 <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins 10.11.12.14>] sent [IPCP ConfReq id=0x3 <addr 0.0.0.0>] rcvd [IPCP ConfReq id=0x2] sent [IPCP ConfNak id=0x2 <addr 0.0.0.0>] rcvd [IPCP ConfNak id=0x3 <addr 172.17.75.80>] sent [IPCP ConfReq id=0x4 <addr 172.17.75.80>] rcvd [IPCP ConfReq id=0x3] sent [IPCP ConfAck id=0x3] rcvd [IPCP ConfAck id=0x4 <addr 172.17.75.80>] Could not determine remote IP address: defaulting to 10.64.64.74 local IP address 172.17.75.80 remote IP address 10.64.64.74 |